# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Mon Sep 20 12:57:28 EET DST 1999 [metaconfig 3.0 PL70]
+# Generated on Sat Jan 15 23:59:51 EET 2000 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.com)
cat >/tmp/c1$$ <<EOF
cf_email=''
cf_by=''
cf_time=''
+charsize=''
contains=''
cpp_stuff=''
cpplast=''
d_flexfnam=''
d_flock=''
d_fork=''
+d_fs_data_s=''
d_fseeko=''
d_fsetpos=''
+d_fstatfs=''
d_ftello=''
d_ftime=''
d_gettimeod=''
d_uname=''
d_gethostprotos=''
d_getlogin=''
+d_getmnt=''
d_getmntent=''
d_getnbyaddr=''
d_getnbyname=''
d_hasmntopt=''
d_htonl=''
d_inetaton=''
+d_int64t=''
d_isascii=''
d_killpg=''
d_lchown=''
d_longlong=''
longlongsize=''
d_lstat=''
-d_madvise=''
d_mblen=''
d_mbstowcs=''
d_mbtowc=''
d_mkdir=''
d_mkfifo=''
d_mktime=''
-d_mmap=''
-mmaptype=''
-d_mprotect=''
d_msg=''
d_msgctl=''
d_msgget=''
d_msgrcv=''
d_msgsnd=''
-d_msync=''
-d_munmap=''
d_nice=''
d_open3=''
d_fpathconf=''
d_pthread_yield=''
d_sched_yield=''
sched_yield=''
+d_qgcvt=''
d_readdir=''
d_rewinddir=''
d_seekdir=''
d_telldir=''
d_readlink=''
-d_readv=''
d_rename=''
d_rmdir=''
d_safebcpy=''
d_shmget=''
d_sigaction=''
d_sigsetjmp=''
-d_cmsghdr_s=''
d_msg_ctrunc=''
d_msg_dontroute=''
d_msg_oob=''
d_msg_peek=''
d_msg_proxy=''
-d_msghdr_s=''
d_oldsock=''
-d_recvmsg=''
d_scm_rights=''
-d_sendmsg=''
d_socket=''
d_sockpair=''
sockethdr=''
socketlib=''
+d_sqrtl=''
d_statblks=''
-d_fstatfs=''
-d_statfs=''
-d_statfsflags=''
+d_statfs_f_flags=''
+d_statfs_s=''
d_fstatvfs=''
d_statvfs=''
d_stdio_cnt_lval=''
d_syserrlst=''
d_strtod=''
d_strtol=''
+d_strtold=''
d_strtoul=''
+d_strtoull=''
+d_strtouq=''
d_strxfrm=''
d_symlink=''
d_syscall=''
d_semctl_semid_ds=''
d_semctl_semun=''
d_union_semun=''
+d_ustat=''
d_vfork=''
usevfork=''
d_voidsig=''
d_waitpid=''
d_wcstombs=''
d_wctomb=''
-d_writev=''
dlext=''
cccdlflags=''
ccdlflags=''
ebcdic=''
fflushNULL=''
fflushall=''
+fpossize=''
fpostype=''
+gidformat=''
+gidsign=''
+gidsize=''
gidtype=''
groupstype=''
h_fcntl=''
i_gdbm=''
d_grpasswd=''
i_grp=''
-d_int64t=''
i_inttypes=''
i_limits=''
i_locale=''
i_sysfilio=''
i_sysioctl=''
i_syssockio=''
-i_sysmman=''
i_sysmount=''
i_sysndir=''
i_sysparam=''
i_syssecrt=''
i_sysselct=''
i_sysstat=''
+i_sysstatfs=''
i_sysstatvfs=''
i_systimes=''
i_systypes=''
-d_iovec_s=''
i_sysuio=''
i_sysun=''
+i_sysvfs=''
i_syswait=''
i_sgtty=''
i_termio=''
i_time=''
timeincl=''
i_unistd=''
+i_ustat=''
i_utime=''
i_values=''
i_stdarg=''
i_varargs=''
i_varhdr=''
i_vfork=''
+inc_version_list=''
installprefix=''
installprefixexp=''
installstyle=''
longsize=''
shortsize=''
d_fpos64_t=''
-d_llseek=''
d_off64_t=''
libc=''
ldlibpthname=''
package=''
spackage=''
pager=''
-apiversion=''
+api_revision=''
+api_subversion=''
+api_version=''
+api_versionstring=''
patchlevel=''
subversion=''
version=''
perladmin=''
perlpath=''
+i16size=''
+i16type=''
+i32size=''
+i32type=''
+i64size=''
+i64type=''
+i8size=''
+i8type=''
+ivsize=''
+ivtype=''
+nvsize=''
+nvtype=''
+u16size=''
+u16type=''
+u32size=''
+u32type=''
+u64size=''
+u64type=''
+u8size=''
+u8type=''
+uvsize=''
+uvtype=''
+ivdformat=''
+uvoformat=''
+uvuformat=''
+uvxformat=''
pidtype=''
prefix=''
prefixexp=''
sPRIo64=''
sPRIu64=''
sPRIx64=''
+d_quad=''
+quadkind=''
+quadtype=''
+uquadtype=''
drand01=''
randbits=''
randfunc=''
installsitearch=''
sitearch=''
sitearchexp=''
+installsitebin=''
+sitebin=''
+sitebinexp=''
installsitelib=''
sitelib=''
sitelibexp=''
stdchar=''
d_stdio_stream_array=''
stdio_stream_array=''
-d_strtoull=''
sysman=''
trnl=''
+uidformat=''
+uidsign=''
+uidsize=''
uidtype=''
archname64=''
use64bits=''
-uselfs=''
+uselargefiles=''
uselongdouble=''
+uselonglong=''
usemorebits=''
usemultiplicity=''
nm_opt=''
useperlio=''
usesocks=''
d_oldpthreads=''
+use5005threads=''
+useithreads=''
usethreads=''
incpath=''
-mips=''
mips_type=''
usrinc=''
+d_vendorbin=''
+installvendorbin=''
+vendorbin=''
+vendorbinexp=''
d_vendorlib=''
installvendorlib=''
vendorlib=''
fi
i_whoami=''
-: Possible local include directories to search.
-: Set locincpth to "" in a hint file to defeat local include searches.
-locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
-locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
-:
-: no include file wanted by default
-inclwanted=''
-
: list of known cpp symbols, sorted alphabetically
al="AMIX BIT_MSF BSD BSD4_3 BSD_NET2 CMU CRAY DGUX DOLPHIN DPX2"
al="$al GO32 GOULD_PN HP700 I386 I80960 I960 Lynx M68000 M68K MACH"
al="$al M_COFF M_I186 M_I286 M_I386 M_I8086 M_I86 M_I86SM"
al="$al M_SYS3 M_SYS5 M_SYSIII M_SYSV M_UNIX M_XENIX"
al="$al NeXT OCS88 OSF1 PARISC PC532 PORTAR POSIX"
-al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4"
+al="$al PWB R3000 RES RISC6000 RT Sun386i SVR3 SVR4 SVR5"
al="$al SYSTYPE_BSD SYSTYPE_SVR4 SYSTYPE_SYSV Tek4132 Tek4300"
al="$al UMAXV USGr4 USGr4_2 UTEK UTS UTek UnicomPBB UnicomPBD Utek"
al="$al VMS Xenix286"
al="$al u3b20d u3b5 ultrix unix unixpc unos vax venix vms"
al="$al xenix z8000"
+: set useposix=false in your hint file to disable the POSIX extension.
+useposix=true
+: set useopcode=false in your hint file to disable the Opcode extension.
+useopcode=true
: Trailing extension. Override this in a hint file, if needed.
_exe=''
: Extra object files, if any, needed on this platform.
archobjs=''
+: Possible local include directories to search.
+: Set locincpth to "" in a hint file to defeat local include searches.
+locincpth="/usr/local/include /opt/local/include /usr/gnu/include"
+locincpth="$locincpth /opt/gnu/include /usr/GNU/include /opt/GNU/include"
+:
+: no include file wanted by default
+inclwanted=''
+
groupstype=''
: change the next line if compiling for Xenix/286 on Xenix/386
xlibpth='/usr/lib/386 /lib/386'
libswanted=''
: some systems want to use only the non-versioned libso:s
ignore_versioned_solibs=''
-: full support for void wanted by default
-defvoidused=15
-
-: set useposix=false in your hint file to disable the POSIX extension.
-useposix=true
-: set useopcode=false in your hint file to disable the Opcode extension.
-useopcode=true
: set usemultiplicity on the Configure command line to enable multiplicity.
: set usesocks on the Configure command line to enable socks.
: set usethreads on the Configure command line to enable threads.
+: full support for void wanted by default
+defvoidused=15
+
: List of libraries we want.
: If anyone needs -lnet, put it in a hint file.
libswanted='sfio socket inet nsl nm ndbm gdbm dbm db malloc dl'
shift
xxx=''
yyy="$1"
- case "$yyy" in
- *:*) xxx=`echo $yyy|sed 's!:.*!!'`
- yyy=`echo $yyy|sed 's!^[^:]*:!!'`
- ;;
- esac
- case "$xxx" in
- '') xxx=define ;;
- esac
zzz=''
- uuu='undef'
+ uuu=undef
case "$yyy" in
- *=*) zzz=`echo $yyy|sed 's!^[^=]*=!!'`
- yyy=`echo $yyy|sed 's!=.*!!'`
- case "$yyy:$zzz" in
- undef:) uuu='' ;;
- esac
- ;;
- esac
+ *=*) zzz=`echo $yyy|sed 's!=.*!!'`
+ case "$zzz" in
+ *:*) zzz='' ;;
+ *) xxx=append
+ zzz=" "`echo $yyy|sed 's!^[^=]*=!!'`
+ yyy=`echo $yyy|sed 's!=.*!!'` ;;
+ esac
+ ;;
+ esac
+ case "$xxx" in
+ '') case "$yyy" in
+ *:*) xxx=`echo $yyy|sed 's!:.*!!'`
+ yyy=`echo $yyy|sed 's!^[^:]*:!!'`
+ zzz=`echo $yyy|sed 's!^[^=]*=!!'`
+ yyy=`echo $yyy|sed 's!=.*!!'` ;;
+ *) xxx=`echo $yyy|sed 's!:.*!!'`
+ yyy=`echo $yyy|sed 's!^[^:]*:!!'` ;;
+ esac
+ ;;
+ esac
case "$xxx" in
append)
- echo "$yyy=\"\${$yyy}$zzz\"" >> posthint.sh
- ;;
+ echo "$yyy=\"\${$yyy}$zzz\"" >> posthint.sh ;;
clear)
- echo "$yyy=''" >> posthint.sh
- ;;
+ echo "$yyy=''" >> posthint.sh ;;
define)
case "$zzz" in
'') zzz=define ;;
esac
- echo "$yyy='$zzz'" >> posthint.sh
- ;;
+ echo "$yyy='$zzz'" >> posthint.sh ;;
eval)
- echo "eval \"$yyy=$zzz\"" >> posthint.sh
- ;;
+ echo "eval \"$yyy=$zzz\"" >> posthint.sh ;;
prepend)
- echo "$yyy=\"$zzz\${$yyy}\"" >> posthint.sh
- ;;
+ echo "$yyy=\"$zzz\${$yyy}\"" >> posthint.sh ;;
undef)
case "$zzz" in
'') zzz="$uuu" ;;
esac
- echo "$yyy=$zzz" >> posthint.sh
- ;;
- *) echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2
- ;;
+ echo "$yyy=$zzz" >> posthint.sh ;;
+ *) echo "$me: unknown -A command '$xxx', ignoring -A $1" >&2 ;;
esac
;;
-V) echo "$me generated by metaconfig 3.0 PL70." >&2
- exit 0;;
+ exit 0;;
--) break;;
-*) echo "$me: unknown option $1" >&2; shift; error=true;;
*) break;;
-U symbol symbol gets the value 'undef'
-U symbol= symbol gets completely empty
-A : manipulate symbol after the platform specific hints have been applied:
+ -A symbol=value append " "value to symbol
-A append:symbol=value append value to symbol
-A define:symbol=value define symbol to have value
- -A symbol=value define symbol to have value
-A clear:symbol define symbol to be ''
-A define:symbol define symbol to be 'define'
-A eval:symbol=value define symbol to be eval of value
. ./optdef.sh
: create the posthint manipulation script and leave the file out there...
touch posthint.sh
-. ./posthint.sh
: set package name
package=perl5
more
nm
nroff
+perl
pg
test
uname
osvers="$2.$3"
fi
fi
- $test -f /sys/posix.dll &&
- $test -f /usr/bin/what &&
- set X `/usr/bin/what /sys/posix.dll` &&
- $test "$3" = UWIN &&
- osname=uwin &&
- osvers="$5"
+
+ $test -f /sys/posix.dll &&
+ $test -f /usr/bin/what &&
+ set X `/usr/bin/what /sys/posix.dll` &&
+ $test "$3" = UWIN &&
+ osname=uwin &&
+ osvers="$5"
+
if $test -f $uname; then
set X $myuname
shift
*) osvers=$tmp;;
esac
;;
+ bsd386) osname=bsd386
+ osvers=`$uname -r`
+ ;;
+ cygwin*) osname=cygwin
+ osvers="$3"
+ ;;
*dc.osx) osname=dcosx
osvers="$3"
;;
*) osname=newsos ;;
esac
;;
- bsd386) osname=bsd386
- osvers=`$uname -r`
+ next*) osname=next ;;
+ POSIX-BC | posix-bc ) osname=posix-bc
+ osvers="$3"
;;
- POSIX-BC | posix-bc ) osname=posix-bc
- osvers="$3"
- ;;
powerux | power_ux | powermax_os | powermaxos | \
powerunix | power_unix) osname=powerux
osvers="$3"
;;
- next*) osname=next ;;
+ qnx) osname=qnx
+ osvers="$4"
+ ;;
solaris) osname=solaris
case "$3" in
5*) osvers=`echo $3 | $sed 's/^5/2/g'` ;;
mips) osname=mips_osf1 ;;
esac
;;
- uts) osname=uts
- osvers="$3"
- ;;
- qnx) osname=qnx
+ unixware) osname=svr5
osvers="$4"
;;
+ uts) osname=uts
+ osvers="$3"
+ ;;
$2) case "$osname" in
*isc*) ;;
*freebsd*) ;;
rp='Build a threading Perl?'
. ./myread
case "$ans" in
-y|Y) val="$define" ;;
+y|Y) val="$define" ;;
*) val="$undef" ;;
esac
set usethreads
-eval $setvar
+eval $setvar
+
+case "$usethreads" in
+$define)
+ $cat <<EOM
+
+As of 5.5.640, Perl has two different internal threading implementations,
+the 5.005 version (5005threads) and an interpreter-based version
+(ithreads) that has one interpreter per thread. Both are very
+experimental. This arrangement exists to help developers work out
+which one is better.
+EOM
+ : Default to ithreads unless overridden on command line or with
+ : old config.sh
+ dflt='y'
+ case "$use5005threads" in
+ $define|true|[yY]*) dflt='n';;
+ esac
+ case "$useithreads" in
+ $undef|false|[nN]*) dflt='n';;
+ esac
+ rp='Use interpreter-based ithreads?'
+ . ./myread
+ case "$ans" in
+ y|Y) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ set useithreads
+ eval $setvar
+ : Now set use5005threads to the opposite value.
+ case "$useithreads" in
+ $define) val="$undef" ;;
+ *) val="$define" ;;
+ esac
+ set use5005threads
+ eval $setvar
+ ;;
+*)
+ useithreads="$undef"
+ use5005threads="$undef"
+ ;;
+esac
case "$d_oldpthreads" in
'') : Configure tests would be welcome here. For now, assume undef.
Assuming POSIX threads, then.)
EOM
fi
- ;;
+ ;;
esac
cat <<EOM
Perl can be built so that multiple Perl interpreters can coexist
-within the same Perl executable. To do so, Configure must be run with
--Dusemultiplicity.
-
-Normally you do not need this and you should answer no.
+within the same Perl executable.
+EOM
+case "$useithreads" in
+$define)
+ cat <<EOM
+This multiple interpreter support is required for interpreter-based threads.
EOM
-case "$usemultiplicity" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Build Perl for multiplicity?'
-. ./myread
-case "$ans" in
-y|Y) val="$define" ;;
-*) val="$undef" ;;
+ val="$define"
+ ;;
+*)
+ echo 'Normally you do not need this and you should answer no.'
+ case "$usemultiplicity" in
+ $define|true|[yY]*) dflt='y';;
+ *) dflt='n';;
+ esac
+ rp='Build Perl for multiplicity?'
+ . ./myread
+ case "$ans" in
+ y|Y) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ ;;
esac
set usemultiplicity
-eval $setvar
+eval $setvar
: determine where manual pages are on this system
echo " "
1*) cpp=`./loc gcc-cpp $cpp $pth` ;;
esac
-
-case "$usemorebits" in
-"$define"|true|[yY]*)
- use64bits="$define"
- uselongdouble="$define"
- usemorebits="$define"
- ;;
-*) usemorebits="$undef"
- ;;
-esac
-
-
-cat <<EOM
-
-Perl can be built to understand large files (files larger than 2 gigabytes)
-on some systems. To do so, Configure must be run with -Duselfs.
-
-If this doesn't make any sense to you, just accept the default.
-EOM
-case "$uselfs" in
-"$define"|true|[yY]*) dflt='y' ;;
-*) dflt='n' ;;
-esac
-rp='Try to understand large files?'
-. ./myread
-case "$ans" in
-y|Y) val="$define" ;;
-*) val="$undef" ;;
-esac
-set uselfs
-eval $setvar
-case "$uselfs" in
-"$define") use64bits="$define" ;;
-esac
-
-cat <<EOM
-
-Perl can be built to take advantage of explicit 64-bit interfaces,
-on some systems. To do so, Configure must be run with -Duse64bits.
-
-If this doesn't make any sense to you, just accept the default.
-EOM
-case "$use64bits" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Try to use explicit 64-bit interfaces, if available?'
-. ./myread
-case "$ans" in
-y|Y)
- val="$define"
- ;;
-*)
- val="$undef"
- ;;
-esac
-set use64bits
-eval $setvar
-
-case "$archname64" in
-'') archname64='' ;; # not a typo
-esac
-
-case "$use64bits" in
-"$define"|true|[yY]*)
-: Look for a hint-file generated 'call-back-unit'. If the
-: user has specified that a 64 bit perl is to be built,
-: we may need to set or change some other defaults.
- if $test -f use64bits.cbu; then
- echo "Your platform has some specific hints for 64-bit builds, using them..."
- . ./use64bits.cbu
- else
- $cat <<EOM
-(Your platform doesn't have any specific hints for 64-bit builds.
- This is probably okay, especially if your system is a true 64-bit system.)
-EOM
- case "$gccversion" in
- '') ;;
- *) $cat <<EOM
-But since you seem to be using gcc,
-I will now add -DUSE_LONG_LONG to the compilation flags.
-EOM
- ccflags="$ccflags -DUSE_LONG_LONG"
- ;;
- esac
- fi
- ;;
-esac
-
-: determine the architecture name
+: see how we invoke the C preprocessor
echo " "
-if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
- tarch=`arch`"-$osname"
-elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
- if uname -m > tmparch 2>&1 ; then
- tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
- -e 's/$/'"-$osname/" tmparch`
+echo "Now, how can we feed standard input to your C preprocessor..." >&4
+cat <<'EOT' >testcpp.c
+#define ABC abc
+#define XYZ xyz
+ABC.XYZ
+EOT
+cd ..
+if test ! -f cppstdin; then
+ if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
+ # AIX cc -E doesn't show the absolute headerfile
+ # locations but we'll cheat by using the -M flag.
+ echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
else
- tarch="$osname"
+ echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
fi
- $rm -f tmparch
else
- tarch="$osname"
+ echo "Keeping your $hint cppstdin wrapper."
fi
-case "$myarchname" in
-''|"$tarch") ;;
-*)
- echo "(Your architecture name used to be $myarchname.)"
- archname=''
- ;;
-esac
-myarchname="$tarch"
-case "$archname" in
-'') dflt="$tarch";;
-*) dflt="$archname";;
-esac
-rp='What is your architecture name'
-. ./myread
-archname="$ans"
-case "$usethreads" in
-$define)
- echo "Threads selected." >&4
- case "$archname" in
- *-thread*) echo "...and architecture name already has -thread." >&4
- ;;
- *) archname="$archname-thread"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
- ;;
-esac
-case "$usemultiplicity" in
-$define)
- echo "Multiplicity selected." >&4
- case "$archname" in
- *-multi*) echo "...and architecture name already has -multi." >&4
- ;;
- *) archname="$archname-multi"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
- ;;
-esac
-case "$use64bits" in
-$define)
- echo "Explicit 64-bitness selected." >&4
- case "$archname64" in
- '')
- ;;
- *)
- case "$archname" in
- *-$archname64*) echo "...and architecture name already has $archname64." >&4
- ;;
- *) archname="$archname-$archname64"
- echo "...setting architecture name to $archname." >&4
- ;;
- esac
+chmod 755 cppstdin
+wrapper=`pwd`/cppstdin
+ok='false'
+cd UU
+
+if $test "X$cppstdin" != "X" && \
+ $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+then
+ echo "You used to use $cppstdin $cppminus so we'll use that again."
+ case "$cpprun" in
+ '') echo "But let's see if we can live without a wrapper..." ;;
+ *)
+ if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
+ ok='true'
+ else
+ echo "(However, $cpprun $cpplast does not work, let's see...)"
+ fi
+ ;;
+ esac
+else
+ case "$cppstdin" in
+ '') ;;
+ *)
+ echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ ;;
+ esac
+fi
+
+if $ok; then
+ : nothing
+elif echo 'Maybe "'"$cc"' -E" will work...'; \
+ $cc -E <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
+ $cc -E - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yup, it does."
+ x_cpp="$cc -E"
+ x_minus='-';
+elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
+ $cc -P <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Yipee, that works!"
+ x_cpp="$cc -P"
+ x_minus='';
+elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
+ $cc -P - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "At long last!"
+ x_cpp="$cc -P"
+ x_minus='-';
+elif echo 'No such luck, maybe "'$cpp'" will work...'; \
+ $cpp <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "It works!"
+ x_cpp="$cpp"
+ x_minus='';
+elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
+ $cpp - <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "Hooray, it works! I was beginning to wonder."
+ x_cpp="$cpp"
+ x_minus='-';
+elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
+ $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ x_cpp="$wrapper"
+ x_minus=''
+ echo "Eureka!"
+else
+ dflt=''
+ rp="No dice. I can't find a C preprocessor. Name one:"
+ . ./myread
+ x_cpp="$ans"
+ x_minus=''
+ $x_cpp <testcpp.c >testcpp.out 2>&1
+ if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
+ echo "OK, that will do." >&4
+ else
+echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
+ exit 1
+ fi
+fi
+
+case "$ok" in
+false)
+ cppstdin="$x_cpp"
+ cppminus="$x_minus"
+ cpprun="$x_cpp"
+ cpplast="$x_minus"
+ set X $x_cpp
+ shift
+ case "$1" in
+ "$cpp")
+ echo "Perhaps can we force $cc -E using a wrapper..."
+ if $wrapper <testcpp.c >testcpp.out 2>&1; \
+ $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ then
+ echo "Yup, we can."
+ cppstdin="$wrapper"
+ cppminus='';
+ else
+ echo "Nope, we'll have to live without it..."
+ fi
+ ;;
+ esac
+ case "$cpprun" in
+ "$wrapper")
+ cpprun=''
+ cpplast=''
;;
esac
+ ;;
+esac
+
+case "$cppstdin" in
+"$wrapper"|'cppstdin') ;;
+*) $rm -f $wrapper;;
esac
+$rm -f testcpp.c testcpp.out
: decide how portable to be. Allow command line overrides.
case "$d_portable" in
test "X$gfpthkeep" != Xy && gfpth=""
EOSC
-: determine root of directory hierarchy where package will be installed.
-case "$prefix" in
-'')
- dflt=`./loc . /usr/local /usr/local /local /opt /usr`
+: What should the include directory be ?
+echo " "
+$echo $n "Hmm... $c"
+dflt='/usr/include'
+incpath=''
+mips_type=''
+if $test -f /bin/mips && /bin/mips; then
+ echo "Looks like a MIPS system..."
+ $cat >usr.c <<'EOCP'
+#ifdef SYSTYPE_BSD43
+/bsd43
+#endif
+EOCP
+ if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
+ dflt='/bsd43/usr/include'
+ incpath='/bsd43'
+ mips_type='BSD 4.3'
+ else
+ mips_type='System V'
+ fi
+ $rm -f usr.c usr.out
+ echo "and you're compiling with the $mips_type compiler and libraries."
+ xxx_prompt=y
+ echo "exit 0" >mips
+else
+ echo "Doesn't look like a MIPS system."
+ xxx_prompt=n
+ echo "exit 1" >mips
+fi
+chmod +x mips
+$eunicefix mips
+case "$usrinc" in
+'') ;;
+*) dflt="$usrinc";;
+esac
+case "$xxx_prompt" in
+y) fn=d/
+ echo " "
+ rp='Where are the include files you want to use?'
+ . ./getfile
+ usrinc="$ans"
;;
-*)
- dflt="$prefix"
+*) usrinc="$dflt"
;;
esac
-$cat <<EOM
-By default, $package will be installed in $dflt/bin, manual pages
-under $dflt/man, etc..., i.e. with $dflt as prefix for all
-installation directories. Typically this is something like /usr/local.
-If you wish to have binaries under /usr/bin but other parts of the
-installation under /usr/local, that's ok: you will be prompted
-separately for each of the installation directories, the prefix being
-only used to set the defaults.
+: Set private lib path
+case "$plibpth" in
+'') if ./mips; then
+ plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
+ fi;;
+esac
+case "$libpth" in
+' ') dlist='';;
+'') dlist="$loclibpth $plibpth $glibpth";;
+*) dlist="$libpth";;
+esac
+
+: Now check and see which directories actually exist, avoiding duplicates
+libpth=''
+for xxx in $dlist
+do
+ if $test -d $xxx; then
+ case " $libpth " in
+ *" $xxx "*) ;;
+ *) libpth="$libpth $xxx";;
+ esac
+ fi
+done
+$cat <<'EOM'
+
+Some systems have incompatible or broken versions of libraries. Among
+the directories listed in the question below, please remove any you
+know not to be holding relevant libraries, and add any that are needed.
+Say "none" for none.
EOM
-fn=d~
-rp='Installation prefix to use?'
-. ./getfile
-oldprefix=''
-case "$prefix" in
-'') ;;
+case "$libpth" in
+'') dflt='none';;
*)
- case "$ans" in
- "$prefix") ;;
- *) oldprefix="$prefix";;
- esac
+ set X $libpth
+ shift
+ dflt=${1+"$@"}
;;
esac
-prefix="$ans"
-prefixexp="$ansexp"
+rp="Directories to use for library searches?"
+. ./myread
+case "$ans" in
+none) libpth=' ';;
+*) libpth="$ans";;
+esac
-: is AFS running?
-echo " "
-case "$afs" in
-$define|true) afs=true ;;
-$undef|false) afs=false ;;
-*) if test -d /afs; then
- afs=true
+: compute shared library extension
+case "$so" in
+'')
+ if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
+ dflt='sl'
else
- afs=false
+ dflt='so'
fi
;;
+*) dflt="$so";;
esac
-if $afs; then
- echo "AFS may be running... I'll be extra cautious then..." >&4
-else
- echo "AFS does not seem to be running..." >&4
-fi
-
-: determine installation prefix for where package is to be installed.
-if $afs; then
$cat <<EOM
-Since you are running AFS, I need to distinguish the directory in which
-files will reside from the directory in which they are installed (and from
-which they are presumably copied to the former directory by occult means).
+On some systems, shared libraries may be available. Answer 'none' if
+you want to suppress searching of shared libraries for the remaining
+of this configuration.
EOM
- case "$installprefix" in
- '') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
- *) dflt="$installprefix";;
- esac
-else
-$cat <<EOM
-
-In some special cases, particularly when building $package for distribution,
-it is convenient to distinguish between the directory in which files should
-be installed from the directory ($prefix) in which they
-will eventually reside. For most users, these two directories are the same.
+rp='What is the file extension used for shared libraries?'
+. ./myread
+so="$ans"
-EOM
- case "$installprefix" in
- '') dflt=$prefix ;;
- *) dflt=$installprefix;;
+: Define several unixisms.
+: Hints files or command line option can be used to override them.
+: The convoluted testing is in case hints files set either the old
+: or the new name.
+case "$_exe" in
+'') case "$exe_ext" in
+ '') ;;
+ *) _exe="$exe_ext" ;;
esac
-fi
-fn=d~
-rp='What installation prefix should I use for installing files?'
-. ./getfile
-installprefix="$ans"
-installprefixexp="$ansexp"
-
-: set the prefixit variable, to compute a suitable default value
-prefixit='case "$3" in
-""|none)
- case "$oldprefix" in
- "") eval "$1=\"\$$2\"";;
- *)
- case "$3" in
- "") eval "$1=";;
- none)
- eval "tp=\"\$$2\"";
- case "$tp" in
- ""|" ") eval "$1=\"\$$2\"";;
- *) eval "$1=";;
- esac;;
- esac;;
- esac;;
-*)
- eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
- case "$tp" in
- --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
- /*-$oldprefix/*|\~*-$oldprefix/*)
- eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
- *) eval "$1=\"\$$2\"";;
- esac;;
-esac'
-
-: set the base revision
-baserev=5.0
-
-: get the patchlevel
-echo " "
-echo "Getting the current patchlevel..." >&4
-if $test -r $rsrc/patchlevel.h;then
- patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
- subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
-else
- patchlevel=0
- subversion=0
-fi
-$echo $n "(You have $package" $c
-case "$package" in
-"*$baserev") ;;
-*) $echo $n " $baserev" $c ;;
+ ;;
esac
-$echo $n " patchlevel $patchlevel" $c
-test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c
-echo ".)"
-
-if test 0 -eq "$subversion"; then
- version=`LC_ALL=C; export LC_ALL; \
- echo $baserev $patchlevel | \
- $awk '{ printf "%.3f\n", $1 + $2/1000.0 }'`
-else
- version=`LC_ALL=C; export LC_ALL; \
- echo $baserev $patchlevel $subversion | \
- $awk '{ printf "%.5f\n", $1 + $2/1000.0 + $3/100000.0 }'`
-fi
-: Figure out perl API version. Perhaps this should be in patchlevel.h
-if test "$subversion" -lt 50; then
- apiversion=`LC_ALL=C; export LC_ALL; \
- LANGUAGE=C; export LANGUAGE; \
- echo $baserev $patchlevel | \
- $awk '{ printf "%.3f\n", $1 + $2/1000.0 }'`
-else
- apiversion="$version"
-fi
-
-: determine installation style
-: For now, try to deduce it from prefix unless it is already set.
-: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
-case "$installstyle" in
-'') case "$prefix" in
- *perl*) dflt='lib';;
- *) dflt='lib/perl5' ;;
+case "$_a" in
+'') case "$lib_ext" in
+ '') _a='.a';;
+ *) _a="$lib_ext" ;;
esac
;;
-*) dflt='lib/perl5' ;;
-esac
-: Probably not worth prompting for this since we prompt for all
-: the directories individually, and the prompt would be too long and
-: confusing anyway.
-installstyle=$dflt
-
-: determine where private library files go
-: Usual default is /usr/local/lib/perl5/$version.
-: Also allow things like /opt/perl/lib/$version, since
-: /opt/perl/lib/perl5... would be redundant.
-: The default "style" setting is made in installstyle.U
-case "$installstyle" in
-*lib/perl5*) set dflt privlib lib/$package/$version ;;
-*) set dflt privlib lib/$version ;;
esac
-eval $prefixit
-$cat <<EOM
-
-There are some auxiliary files for $package that need to be put into a
-private library directory that is accessible by everyone.
-
-EOM
-fn=d~+
-rp='Pathname where the private library files will reside?'
-. ./getfile
-privlib="$ans"
-privlibexp="$ansexp"
-: Change installation prefix, if necessary.
-if $test X"$prefix" != X"$installprefix"; then
- installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
-else
- installprivlib="$privlibexp"
-fi
-
-: set the prefixup variable, to restore leading tilda escape
-prefixup='case "$prefixexp" in
-"$prefix") ;;
-*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
-esac'
-
-: determine where public architecture dependent libraries go
-set archlib archlib
-eval $prefixit
-: privlib default is /usr/local/lib/$package/$version
-: archlib default is /usr/local/lib/$package/$version/$archname
-: privlib may have an optional trailing /share.
-tdflt=`echo $privlib | $sed 's,/share$,,'`
-tdflt=$tdflt/$archname
-case "$archlib" in
-'') dflt=$tdflt
+case "$_o" in
+'') case "$obj_ext" in
+ '') _o='.o';;
+ *) _o="$obj_ext";;
+ esac
;;
-*) dflt="$archlib"
- ;;
esac
-$cat <<EOM
-
-$spackage contains architecture-dependent library files. If you are
-sharing libraries in a heterogeneous environment, you might store
-these files in a separate location. Otherwise, you can just include
-them with the rest of the public library files.
-
-EOM
-fn=d+~
-rp='Where do you want to put the public architecture-dependent libraries?'
-. ./getfile
-archlib="$ans"
-archlibexp="$ansexp"
-if $test X"$archlib" = X"$privlib"; then
- d_archlib="$undef"
-else
- d_archlib="$define"
-fi
-: Change installation prefix, if necessary.
-if $test X"$prefix" != X"$installprefix"; then
- installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
-else
- installarchlib="$archlibexp"
-fi
-
-
-: Binary compatibility with 5.005 is not possible for builds
-: with advanced features
-case "$usethreads$usemultiplicity" in
-*define*)
- bincompat5005="$undef"
- d_bincompat5005="$undef"
- ;;
-*) $cat <<EOM
-
-Perl 5.006 can be compiled for binary compatibility with 5.005.
-If you decide to do so, you will be able to continue using most
-of the extensions that were compiled for Perl 5.005.
-
-EOM
- case "$bincompat5005$d_bincompat5005" in
- *"$undef"*) dflt=n ;;
- *) dflt=y ;;
- esac
- rp='Binary compatibility with Perl 5.005?'
- . ./myread
- case "$ans" in
- y*) val="$define" ;;
- *) val="$undef" ;;
- esac
- set d_bincompat5005
- eval $setvar
- case "$d_bincompat5005" in
- "$define")
- bincompat5005="$define"
- ;;
- *) bincompat5005="$undef"
- d_bincompat5005="$undef"
- ;;
+case "$p_" in
+'') case "$path_sep" in
+ '') p_=':';;
+ *) p_="$path_sep";;
esac
;;
esac
+exe_ext=$_exe
+lib_ext=$_a
+obj_ext=$_o
+path_sep=$p_
+: Which makefile gets called first. This is used by make depend.
+case "$firstmakefile" in
+'') firstmakefile='makefile';;
+esac
-: see if setuid scripts can be secure
-$cat <<EOM
+cat <<EOM
-Some kernels have a bug that prevents setuid #! scripts from being
-secure. Some sites have disabled setuid #! scripts because of this.
+Perl can be built to use the SOCKS proxy protocol library. To do so,
+Configure must be run with -Dusesocks.
-First let's decide if your kernel supports secure setuid #! scripts.
-(If setuid #! scripts would be secure but have been disabled anyway,
-don't say that they are secure if asked.)
+Normally you do not need this and you should answer no.
EOM
+case "$usesocks" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Build Perl for SOCKS?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set usesocks
+eval $setvar
-val="$undef"
-if $test -d /dev/fd; then
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- ./reflect >flect 2>&1
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Congratulations, your kernel has secure setuid scripts!" >&4
- val="$define"
- else
- $cat <<EOM
-If you are not sure if they are secure, I can check but I'll need a
-username and password different from the one you are using right now.
-If you don't have such a username or don't want me to test, simply
-enter 'none'.
-
-EOM
- rp='Other username to test security of setuid scripts with?'
- dflt='none'
- . ./myread
- case "$ans" in
- n|none)
- case "$d_suidsafe" in
- '') echo "I'll assume setuid scripts are *not* secure." >&4
- dflt=n;;
- "$undef")
- echo "Well, the $hint value is *not* secure." >&4
- dflt=n;;
- *) echo "Well, the $hint value *is* secure." >&4
- dflt=y;;
- esac
- ;;
- *)
- $rm -f reflect flect
- echo "#!$ls" >reflect
- chmod +x,u+s reflect
- echo >flect
- chmod a+w flect
- echo '"su" will (probably) prompt you for '"$ans's password."
- su $ans -c './reflect >flect'
- if $contains "/dev/fd" flect >/dev/null; then
- echo "Okay, it looks like setuid scripts are secure." >&4
- dflt=y
- else
- echo "I don't think setuid scripts are secure." >&4
- dflt=n
- fi
- ;;
+: Looking for optional libraries
+echo " "
+echo "Checking for optional libraries..." >&4
+case "$libs" in
+' '|'') dflt='';;
+*) dflt="$libs";;
+esac
+case "$libswanted" in
+'') libswanted='c_s';;
+esac
+case "$usesocks" in
+$define)
+ libswanted="$libswanted socks5 socks5_sh"
+ ;;
+esac
+for thislib in $libswanted; do
+
+ if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`;
+ $test -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
esac
- rp='Does your kernel have *secure* setuid scripts?'
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
+ elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
+ echo "Found -l$thislib (shared)."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc lib$thislib$_a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ elif xxx=`./loc $thislib$_a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
esac
+ elif xxx=`./loc lib${thislib}_s$_a X $libpth`; $test -f "$xxx"; then
+ echo "Found -l${thislib}_s."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l${thislib}_s";;
+ esac
+ elif xxx=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$xxx"; then
+ echo "Found -l$thislib."
+ case " $dflt " in
+ *"-l$thislib "*);;
+ *) dflt="$dflt -l$thislib";;
+ esac
+ else
+ echo "No -l$thislib."
fi
-else
- echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
- echo "(That's for file descriptors, not floppy disks.)"
- val="$undef"
-fi
-set d_suidsafe
-eval $setvar
-
-$rm -f reflect flect
+done
+set X $dflt
+shift
+dflt="$*"
+case "$libs" in
+'') dflt="$dflt";;
+*) dflt="$libs";;
+esac
+case "$dflt" in
+' '|'') dflt='none';;
+esac
-: now see if they want to do setuid emulation
-echo " "
-val="$undef"
-case "$d_suidsafe" in
-"$define")
- val="$undef"
- echo "No need to emulate SUID scripts since they are secure here." >& 4
- ;;
-*)
- $cat <<EOM
-Some systems have disabled setuid scripts, especially systems where
-setuid scripts cannot be secure. On systems where setuid scripts have
-been disabled, the setuid/setgid bits on scripts are currently
-useless. It is possible for $package to detect those bits and emulate
-setuid/setgid in a secure fashion. This emulation will only work if
-setuid scripts have been disabled in your kernel.
+$cat <<EOM
+In order to compile $package on your machine, a number of libraries
+are usually needed. Include any other special libraries here as well.
+Say "none" for none. The default list is almost always right.
EOM
- case "$d_dosuid" in
- "$define") dflt=y ;;
- *) dflt=n ;;
- esac
- rp="Do you want to do setuid/setgid emulation?"
- . ./myread
- case "$ans" in
- [yY]*) val="$define";;
- *) val="$undef";;
- esac
- ;;
-esac
-set d_dosuid
-eval $setvar
-: What should the include directory be ?
echo " "
-$echo $n "Hmm... $c"
-dflt='/usr/include'
-incpath=''
-mips_type=''
-if $test -f /bin/mips && /bin/mips; then
- echo "Looks like a MIPS system..."
- $cat >usr.c <<'EOCP'
-#ifdef SYSTYPE_BSD43
-/bsd43
-#endif
-EOCP
- if $cc -E usr.c > usr.out && $contains / usr.out >/dev/null 2>&1; then
- dflt='/bsd43/usr/include'
- incpath='/bsd43'
- mips_type='BSD 4.3'
- else
- mips_type='System V'
- fi
- $rm -f usr.c usr.out
- echo "and you're compiling with the $mips_type compiler and libraries."
- xxx_prompt=y
- echo "exit 0" >mips
-else
- echo "Doesn't look like a MIPS system."
- xxx_prompt=n
- echo "exit 1" >mips
-fi
-chmod +x mips
-$eunicefix mips
-case "$usrinc" in
-'') ;;
-*) dflt="$usrinc";;
+rp="What libraries to use?"
+. ./myread
+case "$ans" in
+none) libs=' ';;
+*) libs="$ans";;
esac
-case "$xxx_prompt" in
-y) fn=d/
- echo " "
- rp='Where are the include files you want to use?'
- . ./getfile
- usrinc="$ans"
- ;;
-*) usrinc="$dflt"
- ;;
+
+: determine optimization, if desired, or use for debug flag also
+case "$optimize" in
+' '|$undef) dflt='none';;
+'') dflt='-O';;
+*) dflt="$optimize";;
esac
+$cat <<EOH
-: see how we invoke the C preprocessor
-echo " "
-echo "Now, how can we feed standard input to your C preprocessor..." >&4
-cat <<'EOT' >testcpp.c
-#define ABC abc
-#define XYZ xyz
-ABC.XYZ
-EOT
-cd ..
-if test ! -f cppstdin; then
- if test "X$osname" = "Xaix" -a "X$gccversion" = X; then
- # AIX cc -E doesn't show the absolute headerfile
- # locations but we'll cheat by using the -M flag.
- echo 'cat >.$$.c; rm -f .$$.u; '"$cc"' ${1+"$@"} -M -c .$$.c 2>/dev/null; test -s .$$.u && awk '"'"'$2 ~ /\.h$/ { print "# 0 \""$2"\"" }'"'"' .$$.u; rm -f .$$.o .$$.u; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' > cppstdin
- else
- echo 'cat >.$$.c; '"$cc"' -E ${1+"$@"} .$$.c; rm .$$.c' >cppstdin
- fi
-else
- echo "Keeping your $hint cppstdin wrapper."
-fi
-chmod 755 cppstdin
-wrapper=`pwd`/cppstdin
-ok='false'
-cd UU
+By default, $package compiles with the -O flag to use the optimizer.
+Alternately, you might want to use the symbolic debugger, which uses
+the -g flag (on traditional Unix systems). Either flag can be
+specified here. To use neither flag, specify the word "none".
-if $test "X$cppstdin" != "X" && \
- $cppstdin $cppminus <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
-then
- echo "You used to use $cppstdin $cppminus so we'll use that again."
- case "$cpprun" in
- '') echo "But let's see if we can live without a wrapper..." ;;
- *)
- if $cpprun $cpplast <testcpp.c >testcpp.out 2>&1 && \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+EOH
+rp="What optimizer/debugger flag should be used?"
+. ./myread
+optimize="$ans"
+case "$optimize" in
+'none') optimize=" ";;
+esac
+
+dflt=''
+: We will not override a previous value, but we might want to
+: augment a hint file
+case "$hint" in
+default|recommended)
+ case "$gccversion" in
+ 1*) dflt='-fpcc-struct-return' ;;
+ esac
+ case "$optimize" in
+ *-g*) dflt="$dflt -DDEBUGGING";;
+ esac
+ case "$gccversion" in
+ 2*) if test -d /etc/conf/kconfig.d &&
+ $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
then
- echo "(And we'll use $cpprun $cpplast to preprocess directly.)"
- ok='true'
- else
- echo "(However, $cpprun $cpplast does not work, let's see...)"
+ dflt="$dflt -posix"
fi
;;
esac
-else
- case "$cppstdin" in
- '') ;;
- *)
- echo "Good old $cppstdin $cppminus does not seem to be of any help..."
+ case "$gccversion" in
+ 1*) ;;
+ 2.[0-8]*) ;;
+ ?*) echo " "
+ echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
+ echo 'int main(void) { return 0; }' > gcctest.c
+ if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
+ echo "Yes, it does." 2>&1
+ case "$ccflags" in
+ *strict-aliasing*)
+ echo "Leaving current flags $ccflags alone." 2>&1
+ ;;
+ *) dflt="$dflt -fno-strict-aliasing" ;;
+ esac
+ else
+ echo "Nope, it doesn't, but that's ok." 2>&1
+ fi
;;
esac
-fi
+ ;;
+esac
-if $ok; then
- : nothing
-elif echo 'Maybe "'"$cc"' -E" will work...'; \
- $cc -E <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -E -" will work...'; \
- $cc -E - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yup, it does."
- x_cpp="$cc -E"
- x_minus='-';
-elif echo 'Nope...maybe "'"$cc"' -P" will work...'; \
- $cc -P <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Yipee, that works!"
- x_cpp="$cc -P"
- x_minus='';
-elif echo 'Nope...maybe "'"$cc"' -P -" will work...'; \
- $cc -P - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "At long last!"
- x_cpp="$cc -P"
- x_minus='-';
-elif echo 'No such luck, maybe "'$cpp'" will work...'; \
- $cpp <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "It works!"
- x_cpp="$cpp"
- x_minus='';
-elif echo 'Nixed again...maybe "'$cpp' -" will work...'; \
- $cpp - <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "Hooray, it works! I was beginning to wonder."
- x_cpp="$cpp"
- x_minus='-';
-elif echo 'Uh-uh. Time to get fancy. Trying a wrapper...'; \
- $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- x_cpp="$wrapper"
- x_minus=''
- echo "Eureka!"
-else
- dflt=''
- rp="No dice. I can't find a C preprocessor. Name one:"
- . ./myread
- x_cpp="$ans"
- x_minus=''
- $x_cpp <testcpp.c >testcpp.out 2>&1
- if $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1 ; then
- echo "OK, that will do." >&4
- else
-echo "Sorry, I can't get that to work. Go find one and rerun Configure." >&4
- exit 1
+case "$mips_type" in
+*BSD*|'') inclwanted="$locincpth $usrinc";;
+*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
+esac
+for thisincl in $inclwanted; do
+ if $test -d $thisincl; then
+ if $test x$thisincl != x$usrinc; then
+ case "$dflt" in
+ *$thisincl*);;
+ *) dflt="$dflt -I$thisincl";;
+ esac
+ fi
fi
-fi
+done
-case "$ok" in
-false)
- cppstdin="$x_cpp"
- cppminus="$x_minus"
- cpprun="$x_cpp"
- cpplast="$x_minus"
- set X $x_cpp
+inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
+ xxx=true;
+elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
+ xxx=true;
+else
+ xxx=false;
+fi;
+if $xxx; then
+ case "$dflt" in
+ *$2*);;
+ *) dflt="$dflt -D$2";;
+ esac;
+fi'
+
+set signal.h LANGUAGE_C; eval $inctest
+
+case "$usesocks" in
+$define)
+ ccflags="$ccflags -DSOCKS"
+ ;;
+esac
+
+case "$hint" in
+default|recommended) dflt="$ccflags $dflt" ;;
+*) dflt="$ccflags";;
+esac
+
+case "$dflt" in
+''|' ') dflt=none;;
+esac
+$cat <<EOH
+
+Your C compiler may want other flags. For this question you should include
+-I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
+but you should NOT include libraries or ld flags like -lwhatever. If you
+want $package to honor its debug switch, you should include -DDEBUGGING here.
+Your C compiler might also need additional flags, such as -D_POSIX_SOURCE.
+
+To use no flags, specify the word "none".
+
+EOH
+set X $dflt
+shift
+dflt=${1+"$@"}
+rp="Any additional cc flags?"
+. ./myread
+case "$ans" in
+none) ccflags='';;
+*) ccflags="$ans";;
+esac
+
+: the following weeds options from ccflags that are of no interest to cpp
+cppflags="$ccflags"
+case "$gccversion" in
+1*) cppflags="$cppflags -D__GNUC__"
+esac
+case "$mips_type" in
+'');;
+*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
+esac
+case "$cppflags" in
+'');;
+*)
+ echo " "
+ echo "Let me guess what the preprocessor flags are..." >&4
+ set X $cppflags
shift
- case "$1" in
- "$cpp")
- echo "Perhaps can we force $cc -E using a wrapper..."
- if $wrapper <testcpp.c >testcpp.out 2>&1; \
- $contains 'abc.*xyz' testcpp.out >/dev/null 2>&1
+ cppflags=''
+ $cat >cpp.c <<'EOM'
+#define BLURFL foo
+
+BLURFL xx LFRULB
+EOM
+ previous=''
+ for flag in $*
+ do
+ case "$flag" in
+ -*) ftry="$flag";;
+ *) ftry="$previous $flag";;
+ esac
+ if $cppstdin -DLFRULB=bar $cppflags $ftry $cppminus <cpp.c \
+ >cpp1.out 2>/dev/null && \
+ $cpprun -DLFRULB=bar $cppflags $ftry $cpplast <cpp.c \
+ >cpp2.out 2>/dev/null && \
+ $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
+ $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
then
- echo "Yup, we can."
- cppstdin="$wrapper"
- cppminus='';
+ cppflags="$cppflags $ftry"
+ previous=''
else
- echo "Nope, we'll have to live without it..."
+ previous="$flag"
fi
- ;;
- esac
- case "$cpprun" in
- "$wrapper")
- cpprun=''
- cpplast=''
- ;;
+ done
+ set X $cppflags
+ shift
+ cppflags=${1+"$@"}
+ case "$cppflags" in
+ *-*) echo "They appear to be: $cppflags";;
esac
+ $rm -f cpp.c cpp?.out
;;
esac
-case "$cppstdin" in
-"$wrapper"|'cppstdin') ;;
-*) $rm -f $wrapper;;
+: flags used in final linking phase
+case "$ldflags" in
+'') if ./venix; then
+ dflt='-i -z'
+ else
+ dflt=''
+ fi
+ case "$ccflags" in
+ *-posix*) dflt="$dflt -posix" ;;
+ esac
+ ;;
+*) dflt="$ldflags";;
esac
-$rm -f testcpp.c testcpp.out
-: Set private lib path
-case "$plibpth" in
-'') if ./mips; then
- plibpth="$incpath/usr/lib /usr/local/lib /usr/ccs/lib"
- fi;;
+: Try to guess additional flags to pick up local libraries.
+for thislibdir in $libpth; do
+ case " $loclibpth " in
+ *" $thislibdir "*)
+ case "$dflt " in
+ *"-L$thislibdir "*) ;;
+ *) dflt="$dflt -L$thislibdir" ;;
+ esac
+ ;;
+ esac
+done
+
+case "$dflt" in
+'') dflt='none' ;;
esac
-case "$libpth" in
-' ') dlist='';;
-'') dlist="$loclibpth $plibpth $glibpth";;
-*) dlist="$libpth";;
+
+$cat <<EOH
+
+Your C linker may need flags. For this question you should
+include -L/whatever and any other flags used by the C linker, but you
+should NOT include libraries like -lwhatever.
+
+Make sure you include the appropriate -L/path flags if your C linker
+does not normally search all of the directories you specified above,
+namely
+ $libpth
+To use no flags, specify the word "none".
+
+EOH
+
+rp="Any additional ld flags (NOT including libraries)?"
+. ./myread
+case "$ans" in
+none) ldflags='';;
+*) ldflags="$ans";;
esac
+rmlist="$rmlist pdp11"
-: Now check and see which directories actually exist, avoiding duplicates
-libpth=''
-for xxx in $dlist
-do
- if $test -d $xxx; then
- case " $libpth " in
- *" $xxx "*) ;;
- *) libpth="$libpth $xxx";;
- esac
- fi
-done
-$cat <<'EOM'
+: coherency check
+echo " "
+echo "Checking your choice of C compiler and flags for coherency..." >&4
+$cat > try.c <<'EOF'
+#include <stdio.h>
+int main() { printf("Ok\n"); exit(0); }
+EOF
+set X $cc $optimize $ccflags -o try $ldflags try.c $libs
+shift
+$cat >try.msg <<'EOM'
+I've tried to compile and run the following simple program:
-Some systems have incompatible or broken versions of libraries. Among
-the directories listed in the question below, please remove any you
-know not to be holding relevant libraries, and add any that are needed.
-Say "none" for none.
+EOM
+$cat try.c >> try.msg
+
+$cat >> try.msg <<EOM
+
+I used the command:
+
+ $*
+ ./try
+
+and I got the following output:
EOM
-case "$libpth" in
-'') dflt='none';;
-*)
- set X $libpth
- shift
- dflt=${1+"$@"}
+dflt=y
+if sh -c "$cc $optimize $ccflags -o try $ldflags try.c $libs" >>try.msg 2>&1; then
+ if sh -c './try' >>try.msg 2>&1; then
+ xxx=`./try`
+ case "$xxx" in
+ "Ok") dflt=n ;;
+ *) echo 'The program compiled OK, but produced no output.' >> try.msg
+ case " $libs " in
+ *" -lsfio "*)
+ cat >> try.msg <<'EOQS'
+If $libs contains -lsfio, and sfio is mis-configured, then it
+sometimes (apparently) runs and exits with a 0 status, but with no
+output! It may have to do with sfio's use of _exit vs. exit.
+
+EOQS
+ rp="You have a big problem. Shall I abort Configure"
+ dflt=y
+ ;;
+ esac
+ ;;
+ esac
+ else
+ echo "The program compiled OK, but exited with status $?." >>try.msg
+ rp="You have a problem. Shall I abort Configure"
+ dflt=y
+ fi
+else
+ echo "I can't compile the test program." >>try.msg
+ rp="You have a BIG problem. Shall I abort Configure"
+ dflt=y
+fi
+case "$dflt" in
+y)
+ $cat try.msg >&4
+ case "$knowitall" in
+ '')
+ echo "(The supplied flags or libraries might be incorrect.)"
+ ;;
+ *) dflt=n;;
+ esac
+ echo " "
+ . ./myread
+ case "$ans" in
+ n*|N*) ;;
+ *) echo "Ok. Stopping Configure." >&4
+ exit 1
+ ;;
+ esac
;;
+n) echo "OK, that should do.";;
esac
-rp="Directories to use for library searches?"
-. ./myread
-case "$ans" in
-none) libpth=' ';;
-*) libpth="$ans";;
-esac
+$rm -f try try.* core
-: compute shared library extension
-case "$so" in
+: define an is-a-typedef? function
+typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
+case "$inclist" in
+"") inclist="sys/types.h";;
+esac;
+eval "varval=\$$var";
+case "$varval" in
+"")
+ $rm -f temp.c;
+ for inc in $inclist; do
+ echo "#include <$inc>" >>temp.c;
+ done;
+ echo "#ifdef $type" >> temp.c;
+ echo "printf(\"We have $type\");" >> temp.c;
+ echo "#endif" >> temp.c;
+ $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
+ if $contains $type temp.E >/dev/null 2>&1; then
+ eval "$var=\$type";
+ else
+ eval "$var=\$def";
+ fi;
+ $rm -f temp.?;;
+*) eval "$var=\$varval";;
+esac'
+
+: define an is-a-typedef? function that prompts if the type is not available.
+typedef_ask='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
+case "$inclist" in
+"") inclist="sys/types.h";;
+esac;
+eval "varval=\$$var";
+case "$varval" in
+"")
+ $rm -f temp.c;
+ for inc in $inclist; do
+ echo "#include <$inc>" >>temp.c;
+ done;
+ echo "#ifdef $type" >> temp.c;
+ echo "printf(\"We have $type\");" >> temp.c;
+ echo "#endif" >> temp.c;
+ $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
+ echo " " ;
+ echo "$rp" | $sed -e "s/What is/Looking for/" -e "s/?/./";
+ if $contains $type temp.E >/dev/null 2>&1; then
+ echo "$type found." >&4;
+ eval "$var=\$type";
+ else
+ echo "$type NOT found." >&4;
+ dflt="$def";
+ . ./myread ;
+ eval "$var=\$ans";
+ fi;
+ $rm -f temp.?;;
+*) eval "$var=\$varval";;
+esac'
+
+: define a shorthand compile call
+compile='
+mc_file=$1;
+shift;
+$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs > /dev/null 2>&1;'
+: define a shorthand compile call for compilations that should be ok.
+compile_ok='
+mc_file=$1;
+shift;
+$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs;'
+
+: check for lengths of integral types
+echo " "
+case "$intsize" in
'')
- if xxx=`./loc libc.sl X $libpth`; $test -f "$xxx"; then
- dflt='sl'
+ echo "Checking to see how big your integers are..." >&4
+ $cat >intsize.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("intsize=%d;\n", (int)sizeof(int));
+ printf("longsize=%d;\n", (int)sizeof(long));
+ printf("shortsize=%d;\n", (int)sizeof(short));
+ exit(0);
+}
+EOCP
+ set intsize
+ if eval $compile_ok && ./intsize > /dev/null; then
+ eval `./intsize`
+ echo "Your integers are $intsize bytes long."
+ echo "Your long integers are $longsize bytes long."
+ echo "Your short integers are $shortsize bytes long."
else
- dflt='so'
+ $cat >&4 <<EOM
+!
+Help! I can't compile and run the intsize test program: please enlighten me!
+(This is probably a misconfiguration in your system or libraries, and
+you really ought to fix it. Still, I'll try anyway.)
+!
+EOM
+ dflt=4
+ rp="What is the size of an integer (in bytes)?"
+ . ./myread
+ intsize="$ans"
+ dflt=$intsize
+ rp="What is the size of a long integer (in bytes)?"
+ . ./myread
+ longsize="$ans"
+ dflt=2
+ rp="What is the size of a short integer (in bytes)?"
+ . ./myread
+ shortsize="$ans"
fi
;;
-*) dflt="$so";;
esac
-$cat <<EOM
+$rm -f intsize intsize.*
-On some systems, shared libraries may be available. Answer 'none' if
-you want to suppress searching of shared libraries for the remaining
-of this configuration.
+: see what type lseek is declared as in the kernel
+rp="What is the type used for lseek's offset on this system?"
+set off_t lseektype long stdio.h sys/types.h
+eval $typedef_ask
-EOM
-rp='What is the file extension used for shared libraries?'
-. ./myread
-so="$ans"
+echo " "
+$echo $n "Checking to see how big your file offsets are...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof($lseektype));
+ return(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ lseeksize=`./try`
+ $echo " $lseeksize bytes." >&4
+else
+ dflt=$longsize
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of your file offsets (in bytes)?"
+ . ./myread
+ lseeksize="$ans"
+fi
+$rm -f try.c try
-: Define several unixisms.
-: Hints files or command line option can be used to override them.
-: The convoluted testing is in case hints files set either the old
-: or the new name.
-case "$_exe" in
-'') case "$exe_ext" in
- '') ;;
- *) _exe="$exe_ext" ;;
- esac
- ;;
-esac
-case "$_a" in
-'') case "$lib_ext" in
- '') _a='.a';;
- *) _a="$lib_ext" ;;
- esac
- ;;
-esac
-case "$_o" in
-'') case "$obj_ext" in
- '') _o='.o';;
- *) _o="$obj_ext";;
- esac
- ;;
-esac
-case "$p_" in
-'') case "$path_sep" in
- '') p_=':';;
- *) p_="$path_sep";;
- esac
- ;;
-esac
-exe_ext=$_exe
-lib_ext=$_a
-obj_ext=$_o
-path_sep=$p_
+: see what type file positions are declared as in the library
+rp="What is the type for file position used by fsetpos()?"
+set fpos_t fpostype long stdio.h sys/types.h
+eval $typedef_ask
-: Which makefile gets called first. This is used by make depend.
-case "$firstmakefile" in
-'') firstmakefile='makefile';;
+echo " "
+case "$fpostype" in
+*_t) zzz="$fpostype" ;;
+*) zzz="fpos_t" ;;
esac
+$echo $n "Checking the size of $zzz...$c" >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($fpostype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') fpossize=4
+ echo " "
+ echo "(I can't execute the test program--guessing $fpossize.)" >&4
+ ;;
+ *) fpossize=$yyy
+ echo " $fpossize bytes."
+ ;;
+ esac
+else
+ dflt="$longsize"
+ echo " "
+ echo "(I can't compile the test program. Guessing...)" >&4
+ rp="What is the size of your file positions (in bytes)?"
+ . ./myread
+ fpossize="$ans"
+fi
-cat <<EOM
-Perl can be built to use the SOCKS proxy protocol library. To do so,
-Configure must be run with -Dusesocks.
-Normally you do not need this and you should answer no.
+case "$lseeksize:$fpossize" in
+8:8) cat <<EOM
+You can have files larger than 2 gigabytes.
EOM
-case "$usesocks" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Build Perl for SOCKS?'
-. ./myread
-case "$ans" in
-y|Y) val="$define" ;;
-*) val="$undef" ;;
-esac
-set usesocks
-eval $setvar
+ val="$define" ;;
+*) cat <<EOM
-: Looking for optional libraries
-echo " "
-echo "Checking for optional libraries..." >&4
-case "$libs" in
-' '|'') dflt='';;
-*) dflt="$libs";;
-esac
-case "$libswanted" in
-'') libswanted='c_s';;
-esac
-case "$usesocks" in
-$define)
- libswanted="$libswanted socks5 socks5_sh"
- ;;
-esac
-for thislib in $libswanted; do
-
- if xxx=`./loc lib$thislib.$so.[0-9]'*' X $libpth`;
- $test -f "$xxx" -a "X$ignore_versioned_solibs" = "X"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib.$so X $libpth` ; $test -f "$xxx"; then
- echo "Found -l$thislib (shared)."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib$thislib$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc $thislib$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
- esac
- elif xxx=`./loc lib${thislib}_s$_a X $libpth`; $test -f "$xxx"; then
- echo "Found -l${thislib}_s."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l${thislib}_s";;
- esac
- elif xxx=`./loc Slib$thislib$_a X $xlibpth`; $test -f "$xxx"; then
- echo "Found -l$thislib."
- case " $dflt " in
- *"-l$thislib "*);;
- *) dflt="$dflt -l$thislib";;
+Perl can be built to understand large files (files larger than 2 gigabytes)
+on some systems. To do so, Configure must be run with -Duselargefiles.
+
+If this doesn't make any sense to you, just accept the default 'y'.
+EOM
+ case "$uselargefiles" in
+ "$undef"|false|[nN]*) dflt='n' ;;
+ *) dflt='y' ;;
+ esac
+ rp='Try to understand large files, if available?'
+ . ./myread
+ case "$ans" in
+ y|Y) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ ;;
+esac
+set uselargefiles
+eval $setvar
+case "$uselargefiles" in
+"$define")
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that a large files perl is to be built,
+: we may need to set or change some other defaults.
+ if $test -f uselfs.cbu; then
+ echo "Your platform has some specific hints for large file builds, using them..."
+ . ./uselfs.cbu
+ echo " "
+ $echo $n "Rechecking to see how big your file offsets are...$c" >&4
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof($lseektype));
+ return(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ lseeksize=`./try`
+ $echo " $lseeksize bytes." >&4
+ else
+ dflt="$lseeksize"
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of your file offsets (in bytes)?"
+ . ./myread
+ lseeksize="$ans"
+ fi
+ case "$fpostype" in
+ *_t) zzz="$fpostype" ;;
+ *) zzz="fpos_t" ;;
esac
- else
- echo "No -l$thislib."
+ $echo $n "Rechecking the size of $zzz...$c" >&4
+ $cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($fpostype));
+ exit(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ yyy=`./try`
+ dflt="$lseeksize"
+ case "$yyy" in
+ '') echo " "
+ echo "(I can't execute the test program--guessing $fpossize.)" >&4
+ ;;
+ *) fpossize=$yyy
+ echo " $fpossize bytes."
+ ;;
+ esac
+ else
+ dflt="$fpossize"
+ echo " "
+ echo "(I can't compile the test program. Guessing...)" >&4
+ rp="What is the size of your file positions (in bytes)?"
+ . ./myread
+ fpossize="$ans"
+ fi
+ $rm -f try.c try
fi
-done
-set X $dflt
-shift
-dflt="$*"
-case "$libs" in
-'') dflt="$dflt";;
-*) dflt="$libs";;
+ ;;
esac
-case "$dflt" in
-' '|'') dflt='none';;
+
+
+case "$usemorebits" in
+"$define"|true|[yY]*)
+ use64bits="$define"
+ uselongdouble="$define"
+ usemorebits="$define"
+ ;;
+*) usemorebits="$undef"
+ ;;
esac
-$cat <<EOM
-In order to compile $package on your machine, a number of libraries
-are usually needed. Include any other special libraries here as well.
-Say "none" for none. The default list is almost always right.
+case "$intsize:$longsize" in
+8:*|*:8) cat <<EOM
+
+You have natively 64-bit integers.
EOM
+ val="$define" ;;
+*) cat <<EOM
-echo " "
-rp="What libraries to use?"
-. ./myread
-case "$ans" in
-none) libs=' ';;
-*) libs="$ans";;
+Perl can be built to take advantage of 64-bit integer types
+on some systems. To do so, Configure must be run with -Duse64bits.
+
+If this doesn't make any sense to you, just accept the default.
+EOM
+ case "$use64bits" in
+ $define|true|[yY]*) dflt='y';;
+ *) dflt='n';;
+ esac
+ rp='Try to use 64-bit integers, if available?'
+ . ./myread
+ case "$ans" in
+ y|Y) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ ;;
esac
+set use64bits
+eval $setvar
-: determine optimization, if desired, or use for debug flag also
-case "$optimize" in
-' '|$undef) dflt='none';;
-'') dflt='-O';;
-*) dflt="$optimize";;
+case "$archname64" in
+'') archname64='' ;; # not a typo
esac
-$cat <<EOH
-By default, $package compiles with the -O flag to use the optimizer.
-Alternately, you might want to use the symbolic debugger, which uses
-the -g flag (on traditional Unix systems). Either flag can be
-specified here. To use neither flag, specify the word "none".
+case "$use64bits" in
+"$define"|true|[yY]*)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that a 64-bit perl is to be built,
+: we may need to set or change some other defaults.
+ if $test -f use64bits.cbu; then
+ echo "Your platform has some specific hints for 64-bit builds, using them..."
+ . ./use64bits.cbu
+ else
+ $cat <<EOM
+(Your platform doesn't have any specific hints for 64-bit builds.)
+EOM
+ case "$intsize:$longsize" in
+8:*|*:8) cat <<EOM
+(This is probably okay, as your system is a natively 64-bit system.)
+EOM
+ ;;
+ esac
+ case "$gccversion" in
+ '') ;;
+ *) case "$ccflags" in
+ *-DUSE_LONG_LONG*) ;;
+ *) $cat <<EOM
+But since you seem to be using gcc, I will now add -DUSE_LONG_LONG
+to the compilation flags.
+EOM
+ ccflags="$ccflags -DUSE_LONG_LONG"
+ ;;
+ esac
+ ;;
+ esac
+ fi
+ ;;
+esac
-EOH
-rp="What optimizer/debugger flag should be used?"
+: determine the architecture name
+echo " "
+if xxx=`./loc arch blurfl $pth`; $test -f "$xxx"; then
+ tarch=`arch`"-$osname"
+elif xxx=`./loc uname blurfl $pth`; $test -f "$xxx" ; then
+ if uname -m > tmparch 2>&1 ; then
+ tarch=`$sed -e 's/ *$//' -e 's/ /_/g' \
+ -e 's/$/'"-$osname/" tmparch`
+ else
+ tarch="$osname"
+ fi
+ $rm -f tmparch
+else
+ tarch="$osname"
+fi
+case "$myarchname" in
+''|"$tarch") ;;
+*)
+ echo "(Your architecture name used to be $myarchname.)"
+ archname=''
+ ;;
+esac
+myarchname="$tarch"
+case "$archname" in
+'') dflt="$tarch";;
+*) dflt="$archname";;
+esac
+rp='What is your architecture name'
. ./myread
-optimize="$ans"
-case "$optimize" in
-'none') optimize=" ";;
+archname="$ans"
+case "$usethreads" in
+$define)
+ echo "Threads selected." >&4
+ case "$archname" in
+ *-thread*) echo "...and architecture name already has -thread." >&4
+ ;;
+ *) archname="$archname-thread"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
+ ;;
esac
-
-dflt=''
-: We will not override a previous value, but we might want to
-: augment a hint file
-case "$hint" in
-default|recommended)
- case "$gccversion" in
- 1*) dflt='-fpcc-struct-return' ;;
- esac
- case "$optimize" in
- *-g*) dflt="$dflt -DDEBUGGING";;
- esac
- case "$gccversion" in
- 2*) if test -d /etc/conf/kconfig.d &&
- $contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
- then
- dflt="$dflt -posix"
- fi
+case "$usemultiplicity" in
+$define)
+ echo "Multiplicity selected." >&4
+ case "$archname" in
+ *-multi*) echo "...and architecture name already has -multi." >&4
+ ;;
+ *) archname="$archname-multi"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
+ ;;
+esac
+case "$use64bits" in
+$define)
+ case "$archname64" in
+ '')
;;
- esac
- case "$gccversion" in
- 1*) ;;
- 2.[0-8]*) ;;
- ?*) echo " "
- echo "Checking if your compiler accepts -fno-strict-aliasing" 2>&1
- echo 'int main(void) { return 0; }' > gcctest.c
- if $cc -O2 -fno-strict-aliasing -o gcctest gcctest.c; then
- echo "Yes, it does." 2>&1
- case "$ccflags" in
- *strict-aliasing*)
- echo "Leaving current flags $ccflags alone." 2>&1
- ;;
- *) dflt="$dflt -fno-strict-aliasing" ;;
- esac
- else
- echo "Nope, it doesn't, but that's ok." 2>&1
- fi
+ *)
+ case "$archname" in
+ *-$archname64*) echo "...and architecture name already has $archname64." >&4
+ ;;
+ *) archname="$archname-$archname64"
+ echo "...setting architecture name to $archname." >&4
+ ;;
+ esac
;;
esac
- ;;
esac
-case "$mips_type" in
-*BSD*|'') inclwanted="$locincpth $usrinc";;
-*) inclwanted="$locincpth $inclwanted $usrinc/bsd";;
+: determine root of directory hierarchy where package will be installed.
+case "$prefix" in
+'')
+ dflt=`./loc . /usr/local /usr/local /local /opt /usr`
+ ;;
+*)
+ dflt="$prefix"
+ ;;
esac
-for thisincl in $inclwanted; do
- if $test -d $thisincl; then
- if $test x$thisincl != x$usrinc; then
- case "$dflt" in
- *$thisincl*);;
- *) dflt="$dflt -I$thisincl";;
- esac
- fi
- fi
-done
-
-inctest='if $contains $2 $usrinc/$1 >/dev/null 2>&1; then
- xxx=true;
-elif $contains $2 $usrinc/sys/$1 >/dev/null 2>&1; then
- xxx=true;
-else
- xxx=false;
-fi;
-if $xxx; then
- case "$dflt" in
- *$2*);;
- *) dflt="$dflt -D$2";;
- esac;
-fi'
+$cat <<EOM
-set signal.h LANGUAGE_C; eval $inctest
+By default, $package will be installed in $dflt/bin, manual pages
+under $dflt/man, etc..., i.e. with $dflt as prefix for all
+installation directories. Typically this is something like /usr/local.
+If you wish to have binaries under /usr/bin but other parts of the
+installation under /usr/local, that's ok: you will be prompted
+separately for each of the installation directories, the prefix being
+only used to set the defaults.
-case "$usesocks" in
-$define)
- ccflags="$ccflags -DSOCKS"
+EOM
+fn=d~
+rp='Installation prefix to use?'
+. ./getfile
+oldprefix=''
+case "$prefix" in
+'') ;;
+*)
+ case "$ans" in
+ "$prefix") ;;
+ *) oldprefix="$prefix";;
+ esac
;;
esac
+prefix="$ans"
+prefixexp="$ansexp"
-case "$hint" in
-default|recommended) dflt="$ccflags $dflt" ;;
-*) dflt="$ccflags";;
+: is AFS running?
+echo " "
+case "$afs" in
+$define|true) afs=true ;;
+$undef|false) afs=false ;;
+*) if test -d /afs; then
+ afs=true
+ else
+ afs=false
+ fi
+ ;;
esac
+if $afs; then
+ echo "AFS may be running... I'll be extra cautious then..." >&4
+else
+ echo "AFS does not seem to be running..." >&4
+fi
+
+: determine installation prefix for where package is to be installed.
+if $afs; then
+$cat <<EOM
+
+Since you are running AFS, I need to distinguish the directory in which
+files will reside from the directory in which they are installed (and from
+which they are presumably copied to the former directory by occult means).
+
+EOM
+ case "$installprefix" in
+ '') dflt=`echo $prefix | sed 's#^/afs/#/afs/.#'`;;
+ *) dflt="$installprefix";;
+ esac
+else
+$cat <<EOM
+
+In some special cases, particularly when building $package for distribution,
+it is convenient to distinguish between the directory in which files should
+be installed from the directory ($prefix) in which they
+will eventually reside. For most users, these two directories are the same.
-case "$dflt" in
-''|' ') dflt=none;;
-esac
-$cat <<EOH
+EOM
+ case "$installprefix" in
+ '') dflt=$prefix ;;
+ *) dflt=$installprefix;;
+ esac
+fi
+fn=d~
+rp='What installation prefix should I use for installing files?'
+. ./getfile
+installprefix="$ans"
+installprefixexp="$ansexp"
-Your C compiler may want other flags. For this question you should include
--I/whatever and -DWHATEVER flags and any other flags used by the C compiler,
-but you should NOT include libraries or ld flags like -lwhatever. If you
-want $package to honor its debug switch, you should include -DDEBUGGING here.
-Your C compiler might also need additional flags, such as -D_POSIX_SOURCE.
+: set the prefixit variable, to compute a suitable default value
+prefixit='case "$3" in
+""|none)
+ case "$oldprefix" in
+ "") eval "$1=\"\$$2\"";;
+ *)
+ case "$3" in
+ "") eval "$1=";;
+ none)
+ eval "tp=\"\$$2\"";
+ case "$tp" in
+ ""|" ") eval "$1=\"\$$2\"";;
+ *) eval "$1=";;
+ esac;;
+ esac;;
+ esac;;
+*)
+ eval "tp=\"$oldprefix-\$$2-\""; eval "tp=\"$tp\"";
+ case "$tp" in
+ --|/*--|\~*--) eval "$1=\"$prefix/$3\"";;
+ /*-$oldprefix/*|\~*-$oldprefix/*)
+ eval "$1=\`echo \$$2 | sed \"s,^$oldprefix,$prefix,\"\`";;
+ *) eval "$1=\"\$$2\"";;
+ esac;;
+esac'
-To use no flags, specify the word "none".
+: set the base revision
+baserev=5.0
-EOH
-set X $dflt
-shift
-dflt=${1+"$@"}
-rp="Any additional cc flags?"
-. ./myread
-case "$ans" in
-none) ccflags='';;
-*) ccflags="$ans";;
-esac
-: the following weeds options from ccflags that are of no interest to cpp
-cppflags="$ccflags"
-case "$gccversion" in
-1*) cppflags="$cppflags -D__GNUC__"
-esac
-case "$mips_type" in
-'');;
-*BSD*) cppflags="$cppflags -DSYSTYPE_BSD43";;
+: get the patchlevel
+echo " "
+echo "Getting the current patchlevel..." >&4
+if $test -r $rsrc/patchlevel.h;then
+ patchlevel=`awk '/define[ ]+PERL_VERSION/ {print $3}' $rsrc/patchlevel.h`
+ subversion=`awk '/define[ ]+PERL_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
+ api_revision=`awk '/define[ ]+PERL_API_REVISION/ {print $3}' $rsrc/patchlevel.h`
+ api_version=`awk '/define[ ]+PERL_API_VERSION/ {print $3}' $rsrc/patchlevel.h`
+ api_subversion=`awk '/define[ ]+PERL_API_SUBVERSION/ {print $3}' $rsrc/patchlevel.h`
+else
+ patchlevel=0
+ subversion=0
+ api_revision=0
+ api_version=0
+ api_subversion=0
+fi
+$echo $n "(You have $package" $c
+case "$package" in
+"*$baserev") ;;
+*) $echo $n " $baserev" $c ;;
esac
-case "$cppflags" in
-'');;
+$echo $n " patchlevel $patchlevel" $c
+test 0 -eq "$subversion" || $echo $n " subversion $subversion" $c
+echo ".)"
+case "$osname" in
+dos|cygwin|vms|win32)
+ : XXX Should be a Configure test for double-dots in filenames.
+ version=`echo $baserev $patchlevel $subversion | \
+ $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
+ api_versionstring=`echo $api_revision $api_version $api_subversion | \
+ $awk '{ printf "%d_%d_%d\n", $1, $2, $3 }'`
+ ;;
*)
- echo " "
- echo "Let me guess what the preprocessor flags are..." >&4
- set X $cppflags
- shift
- cppflags=''
- $cat >cpp.c <<'EOM'
-#define BLURFL foo
-
-BLURFL xx LFRULB
-EOM
- previous=''
- for flag in $*
- do
- case "$flag" in
- -*) ftry="$flag";;
- *) ftry="$previous $flag";;
- esac
- if $cppstdin -DLFRULB=bar $cppflags $ftry $cppminus <cpp.c \
- >cpp1.out 2>/dev/null && \
- $cpprun -DLFRULB=bar $cppflags $ftry $cpplast <cpp.c \
- >cpp2.out 2>/dev/null && \
- $contains 'foo.*xx.*bar' cpp1.out >/dev/null 2>&1 && \
- $contains 'foo.*xx.*bar' cpp2.out >/dev/null 2>&1
- then
- cppflags="$cppflags $ftry"
- previous=''
- else
- previous="$flag"
- fi
- done
- set X $cppflags
- shift
- cppflags=${1+"$@"}
- case "$cppflags" in
- *-*) echo "They appear to be: $cppflags";;
- esac
- $rm -f cpp.c cpp?.out
+ version=`echo $baserev $patchlevel $subversion | \
+ $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
+ api_versionstring=`echo $api_revision $api_version $api_subversion | \
+ $awk '{ printf "%d.%d.%d\n", $1, $2, $3 }'`
;;
esac
+: Special case the 5.005_xx maintenance series, which used 5.005
+: without any subversion label as a subdirectory in $sitelib
+if test "${api_revision}${api_version}${api_subversion}" = "550"; then
+ api_versionstring='5.005'
+fi
-: flags used in final linking phase
-case "$ldflags" in
-'') if ./venix; then
- dflt='-i -z'
- else
- dflt=''
- fi
- case "$ccflags" in
- *-posix*) dflt="$dflt -posix" ;;
+: determine installation style
+: For now, try to deduce it from prefix unless it is already set.
+: Reproduce behavior of 5.005 and earlier, maybe drop that in 5.7.
+case "$installstyle" in
+'') case "$prefix" in
+ *perl*) dflt='lib';;
+ *) dflt='lib/perl5' ;;
esac
;;
-*) dflt="$ldflags";;
+*) dflt='lib/perl5' ;;
esac
+: Probably not worth prompting for this since we prompt for all
+: the directories individually, and the prompt would be too long and
+: confusing anyway.
+installstyle=$dflt
-: Try to guess additional flags to pick up local libraries.
-for thislibdir in $libpth; do
- case " $loclibpth " in
- *" $thislibdir "*)
- case "$dflt " in
- *"-L$thislibdir "*) ;;
- *) dflt="$dflt -L$thislibdir" ;;
- esac
- ;;
- esac
-done
-
-case "$dflt" in
-'') dflt='none' ;;
+: determine where private library files go
+: Usual default is /usr/local/lib/perl5/$version.
+: Also allow things like /opt/perl/lib/$version, since
+: /opt/perl/lib/perl5... would be redundant.
+: The default "style" setting is made in installstyle.U
+case "$installstyle" in
+*lib/perl5*) set dflt privlib lib/$package/$version ;;
+*) set dflt privlib lib/$version ;;
esac
+eval $prefixit
+$cat <<EOM
-$cat <<EOH
-
-Your C linker may need flags. For this question you should
-include -L/whatever and any other flags used by the C linker, but you
-should NOT include libraries like -lwhatever.
+There are some auxiliary files for $package that need to be put into a
+private library directory that is accessible by everyone.
-Make sure you include the appropriate -L/path flags if your C linker
-does not normally search all of the directories you specified above,
-namely
- $libpth
-To use no flags, specify the word "none".
+EOM
+fn=d~+
+rp='Pathname where the private library files will reside?'
+. ./getfile
+privlib="$ans"
+privlibexp="$ansexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installprivlib=`echo $privlibexp | sed "s#^$prefix#$installprefix#"`
+else
+ installprivlib="$privlibexp"
+fi
-EOH
+: set the prefixup variable, to restore leading tilda escape
+prefixup='case "$prefixexp" in
+"$prefix") ;;
+*) eval "$1=\`echo \$$1 | sed \"s,^$prefixexp,$prefix,\"\`";;
+esac'
-rp="Any additional ld flags (NOT including libraries)?"
-. ./myread
-case "$ans" in
-none) ldflags='';;
-*) ldflags="$ans";;
+: determine where public architecture dependent libraries go
+set archlib archlib
+eval $prefixit
+: privlib default is /usr/local/lib/$package/$version
+: archlib default is /usr/local/lib/$package/$version/$archname
+: privlib may have an optional trailing /share.
+tdflt=`echo $privlib | $sed 's,/share$,,'`
+tdflt=$tdflt/$archname
+case "$archlib" in
+'') dflt=$tdflt
+ ;;
+*) dflt="$archlib"
+ ;;
esac
-rmlist="$rmlist pdp11"
+$cat <<EOM
+
+$spackage contains architecture-dependent library files. If you are
+sharing libraries in a heterogeneous environment, you might store
+these files in a separate location. Otherwise, you can just include
+them with the rest of the public library files.
+
+EOM
+fn=d+~
+rp='Where do you want to put the public architecture-dependent libraries?'
+. ./getfile
+archlib="$ans"
+archlibexp="$ansexp"
+if $test X"$archlib" = X"$privlib"; then
+ d_archlib="$undef"
+else
+ d_archlib="$define"
+fi
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installarchlib=`echo $archlibexp | sed "s#^$prefix#$installprefix#"`
+else
+ installarchlib="$archlibexp"
+fi
+
+
+: Binary compatibility with 5.005 is not possible for builds
+: with advanced features
+case "$usethreads$usemultiplicity" in
+*define*)
+ bincompat5005="$undef"
+ d_bincompat5005="$undef"
+ ;;
+*) $cat <<EOM
-: coherency check
-echo " "
-echo "Checking your choice of C compiler and flags for coherency..." >&4
-$cat > try.c <<'EOF'
-#include <stdio.h>
-int main() { printf("Ok\n"); exit(0); }
-EOF
-set X $cc $optimize $ccflags -o try $ldflags try.c $libs
-shift
-$cat >try.msg <<'EOM'
-I've tried to compile and run the following simple program:
+Perl 5.006 can be compiled for binary compatibility with 5.005.
+If you decide to do so, you will be able to continue using most
+of the extensions that were compiled for Perl 5.005.
EOM
-$cat try.c >> try.msg
+ case "$bincompat5005$d_bincompat5005" in
+ *"$undef"*) dflt=n ;;
+ *) dflt=y ;;
+ esac
+ rp='Binary compatibility with Perl 5.005?'
+ . ./myread
+ case "$ans" in
+ y*) val="$define" ;;
+ *) val="$undef" ;;
+ esac
+ set d_bincompat5005
+ eval $setvar
+ case "$d_bincompat5005" in
+ "$define")
+ bincompat5005="$define"
+ ;;
+ *) bincompat5005="$undef"
+ d_bincompat5005="$undef"
+ ;;
+ esac
+ ;;
+esac
-$cat >> try.msg <<EOM
-I used the command:
+: see if setuid scripts can be secure
+$cat <<EOM
- $*
- ./try
+Some kernels have a bug that prevents setuid #! scripts from being
+secure. Some sites have disabled setuid #! scripts because of this.
-and I got the following output:
+First let's decide if your kernel supports secure setuid #! scripts.
+(If setuid #! scripts would be secure but have been disabled anyway,
+don't say that they are secure if asked.)
EOM
-dflt=y
-if sh -c "$cc $optimize $ccflags -o try $ldflags try.c $libs" >>try.msg 2>&1; then
- if sh -c './try' >>try.msg 2>&1; then
- xxx=`./try`
- case "$xxx" in
- "Ok") dflt=n ;;
- *) echo 'The program compiled OK, but produced no output.' >> try.msg
- case " $libs " in
- *" -lsfio "*)
- cat >> try.msg <<'EOQS'
-If $libs contains -lsfio, and sfio is mis-configured, then it
-sometimes (apparently) runs and exits with a 0 status, but with no
-output! It may have to do with sfio's use of _exit vs. exit.
-EOQS
- rp="You have a big problem. Shall I abort Configure"
- dflt=y
- ;;
+val="$undef"
+if $test -d /dev/fd; then
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ ./reflect >flect 2>&1
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Congratulations, your kernel has secure setuid scripts!" >&4
+ val="$define"
+ else
+ $cat <<EOM
+If you are not sure if they are secure, I can check but I'll need a
+username and password different from the one you are using right now.
+If you don't have such a username or don't want me to test, simply
+enter 'none'.
+
+EOM
+ rp='Other username to test security of setuid scripts with?'
+ dflt='none'
+ . ./myread
+ case "$ans" in
+ n|none)
+ case "$d_suidsafe" in
+ '') echo "I'll assume setuid scripts are *not* secure." >&4
+ dflt=n;;
+ "$undef")
+ echo "Well, the $hint value is *not* secure." >&4
+ dflt=n;;
+ *) echo "Well, the $hint value *is* secure." >&4
+ dflt=y;;
esac
;;
+ *)
+ $rm -f reflect flect
+ echo "#!$ls" >reflect
+ chmod +x,u+s reflect
+ echo >flect
+ chmod a+w flect
+ echo '"su" will (probably) prompt you for '"$ans's password."
+ su $ans -c './reflect >flect'
+ if $contains "/dev/fd" flect >/dev/null; then
+ echo "Okay, it looks like setuid scripts are secure." >&4
+ dflt=y
+ else
+ echo "I don't think setuid scripts are secure." >&4
+ dflt=n
+ fi
+ ;;
+ esac
+ rp='Does your kernel have *secure* setuid scripts?'
+ . ./myread
+ case "$ans" in
+ [yY]*) val="$define";;
+ *) val="$undef";;
esac
- else
- echo "The program compiled OK, but exited with status $?." >>try.msg
- rp="You have a problem. Shall I abort Configure"
- dflt=y
fi
else
- echo "I can't compile the test program." >>try.msg
- rp="You have a BIG problem. Shall I abort Configure"
- dflt=y
+ echo "I don't think setuid scripts are secure (no /dev/fd directory)." >&4
+ echo "(That's for file descriptors, not floppy disks.)"
+ val="$undef"
fi
-case "$dflt" in
-y)
- $cat try.msg >&4
- case "$knowitall" in
- '')
- echo "(The supplied flags or libraries might be incorrect.)"
- ;;
- *) dflt=n;;
+set d_suidsafe
+eval $setvar
+
+$rm -f reflect flect
+
+: now see if they want to do setuid emulation
+echo " "
+val="$undef"
+case "$d_suidsafe" in
+"$define")
+ val="$undef"
+ echo "No need to emulate SUID scripts since they are secure here." >& 4
+ ;;
+*)
+ $cat <<EOM
+Some systems have disabled setuid scripts, especially systems where
+setuid scripts cannot be secure. On systems where setuid scripts have
+been disabled, the setuid/setgid bits on scripts are currently
+useless. It is possible for $package to detect those bits and emulate
+setuid/setgid in a secure fashion. This emulation will only work if
+setuid scripts have been disabled in your kernel.
+
+EOM
+ case "$d_dosuid" in
+ "$define") dflt=y ;;
+ *) dflt=n ;;
esac
- echo " "
+ rp="Do you want to do setuid/setgid emulation?"
. ./myread
case "$ans" in
- n*|N*) ;;
- *) echo "Ok. Stopping Configure." >&4
- exit 1
- ;;
+ [yY]*) val="$define";;
+ *) val="$undef";;
esac
;;
-n) echo "OK, that should do.";;
esac
-$rm -f try try.* core
+set d_dosuid
+eval $setvar
: determine filename position in cpp output
echo " "
;;
*) d_vendorlib="$define"
: determine where vendor-supplied modules go.
- : Usual default is /usr/local/lib/perl5/vendor_perl
+ : Usual default is /usr/local/lib/perl5/vendor_perl/$version
prog=`echo $package | $sed 's/-*[0-9.]*$//'`
case "$installstyle" in
- *lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog ;;
- *) dflt=$vendorprefix/lib/vendor_$prog ;;
+ *lib/perl5*) dflt=$vendorprefix/lib/$package/vendor_$prog/$version ;;
+ *) dflt=$vendorprefix/lib/vendor_$prog/$version ;;
esac
fn=d~+
rp='Pathname for the vendor-supplied library files?'
installbin="$binexp"
fi
+$cat <<EOM
+
+After $package is installed, you may wish to install various
+add-on modules and utilities. Typically, these add-ons will
+be installed under $prefix with the rest
+of this package. However, you may wish to install such add-ons
+elsewhere under a different prefix.
+
+If you do not wish to put everything under a single prefix, that's
+ok. You will be prompted for the individual locations; this siteprefix
+is only used to suggest the defaults.
+
+The default should be fine for most people.
+
+EOM
+fn=d~+
+rp='Installation prefix to use for add-on modules and utilities?'
+: XXX Here might be another good place for an installstyle setting.
+case "$siteprefix" in
+'') dflt=$prefix ;;
+*) dflt=$siteprefix ;;
+esac
+. ./getfile
+oldsiteprefix=''
+case "$siteprefix" in
+'') ;;
+*)
+ case "$ans" in
+ "$prefix") ;;
+ *) oldsiteprefix="$prefix";;
+ esac
+ ;;
+esac
+siteprefix="$ans"
+siteprefixexp="$ansexp"
+
+: determine where site specific libraries go.
+: Usual default is /usr/local/lib/perl5/site_perl/$version
+: The default "style" setting is made in installstyle.U
+: XXX No longer works with Prefixit stuff.
+prog=`echo $package | $sed 's/-*[0-9.]*$//'`
+case "$installstyle" in
+*lib/perl5*) dflt=$siteprefix/lib/$package/site_$prog/$version ;;
+*) dflt=$siteprefix/lib/site_$prog/$version ;;
+esac
+$cat <<EOM
+
+The installation process will create a directory for
+site-specific extensions and modules. Most users find it convenient
+to place all site-specific files in this directory rather than in the
+main distribution directory.
+
+EOM
+fn=d~+
+rp='Pathname for the site-specific library files?'
+. ./getfile
+sitelib="$ans"
+sitelibexp="$ansexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installsitelib=`echo $sitelibexp | sed "s#^$prefix#$installprefix#"`
+else
+ installsitelib="$sitelibexp"
+fi
+
+: Determine list of previous versions to include in @INC
+$cat > getverlist <<EOPL
+#!$perl -w
+use File::Basename;
+\$api_versionstring = "$api_versionstring";
+\$version = "$version";
+\$sitelib = "$sitelib";
+\$archname = "$archname";
+EOPL
+ $cat >> getverlist <<'EOPL'
+# Can't have leading @ because metaconfig interprets it as a command!
+;@inc_version_list=();
+$stem=dirname($sitelib);
+# Redo to do opendir/readdir?
+if (-d $stem) {
+ chdir($stem);
+ ;@candidates = glob("5.*");
+}
+else {
+ ;@candidates = ();
+}
+
+foreach $d (@candidates) {
+ if ($d lt $version) {
+ if ($d ge $api_versionstring) {
+ unshift(@inc_version_list, "$d/$archname", $d);
+ }
+ elsif ($d ge "5.005") {
+ unshift(@inc_version_list, $d);
+ }
+ }
+ else {
+ # Skip newer version. I.e. don't look in
+ # 5.7.0 if we're installing 5.6.1.
+ }
+}
+
+if (@inc_version_list) {
+ print '"';
+ print join('", "', @inc_version_list);
+ print '"';
+}
+else {
+ # Blank space to preserve value for next Configure run.
+ print " ";
+}
+EOPL
+chmod +x getverlist
+case "$inc_version_list" in
+'') if test -x $perl; then
+ dflt=`$perl getverlist`
+ else
+ dflt=''
+ fi
+ ;;
+*) dflt="$inc_version_list" ;;
+esac
+$cat <<'EOM'
+
+In order to ease the process of upgrading, this version of perl
+can be configured to use modules built and installed with earlier
+versions of perl that were installed under $prefix. Specify here
+the list of earlier versions that this version of perl should check.
+If Configure detected no earlier versions of perl installed under
+$prefix, then the list will be empty.
+
+The default should almost always be sensible, so if you're not sure,
+just accept the default.
+EOM
+
+rp='list of earlier versions to include in @INC?'
+. ./myread
+inc_version_list="$ans"
+$rm -f getverlist
+
: determine whether to install perl also as /usr/bin/perl
echo " "
set installusrbinperl
eval $setvar
-: define a shorthand compile call
-compile='
-mc_file=$1;
-shift;
-$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs > /dev/null 2>&1;'
-: define a shorthand compile call for compilations that should be ok.
-compile_ok='
-mc_file=$1;
-shift;
-$cc $optimize $ccflags $ldflags -o ${mc_file} $* ${mc_file}.c $libs;'
-
echo " "
echo "Checking for GNU C Library..." >&4
cat >gnulibc.c <<EOM
;;
*) case "$useshrplib" in
'') case "$osname" in
- svr4*|dgux|dynixptx|esix|powerux|beos)
+ svr4*|dgux|dynixptx|esix|powerux|beos|cygwin*)
dflt=y
also='Building a shared libperl is required for dynamic loading to work on your system.'
;;
linux*) # ld won't link with a bare -lperl otherwise.
dflt=libperl.$so
;;
+ cygwin*) # include version
+ dflt=`echo libperl$version | sed -e 's/\./_/g'`$lib_ext
+ ;;
*) # Try to guess based on whether libc has major.minor.
case "$libc" in
*libc.$so.[0-9]*.[0-9]*) dflt=$majmin ;;
esac
fi
case "$hostcat" in
-'') hostcat='cat /etc/hosts';;
+'') test -f /etc/hosts && hostcat='cat /etc/hosts';;
esac
case "$groupcat" in
-'') groupcat='cat /etc/group';;
+'') test -f /etc/group && groupcat='cat /etc/group';;
esac
case "$passcat" in
-'') passcat='cat /etc/passwd';;
+'') test -f /etc/passwd && passcat='cat /etc/passwd';;
esac
: now get the host name
$sed -e 's/[ ]*#.*//; s/$/ /' > hosts && \
$test -s hosts
} || {
+ test "X$hostcat" != "X" &&
$hostcat | $sed -n -e "s/[ ]*#.*//; s/\$/ /
/[ ]$myhostname[ . ]/p" > hosts
}
installscript="$scriptdirexp"
fi
-$cat <<EOM
-
-After $package is installed, you may wish to install various
-add-on modules and utilities. Typically, these add-ons will
-be installed under $prefix with the rest
-of this package. However, you may wish to install such add-ons
-elsewhere under a different prefix.
-
-If you do not wish to put everything under a single prefix, that's
-ok. You will be prompted for the individual locations; this siteprefix
-is only used to suggest the defaults.
-
-The default should be fine for most people.
-
-EOM
-fn=d~+
-rp='Installation prefix to use for add-on modules and utilities?'
-: XXX Here might be another good place for an installstyle setting.
-case "$siteprefix" in
-'') dflt=$prefix ;;
-*) dflt=$siteprefix ;;
-esac
-. ./getfile
-oldsiteprefix=''
-case "$siteprefix" in
-'') ;;
-*)
- case "$ans" in
- "$prefix") ;;
- *) oldsiteprefix="$prefix";;
- esac
- ;;
-esac
-siteprefix="$ans"
-siteprefixexp="$ansexp"
-
-: determine where site specific libraries go.
-: Usual default is /usr/local/lib/perl5/site_perl
-: The default "style" setting is made in installstyle.U
-: XXX No longer works with Prefixit stuff.
-prog=`echo $package | $sed 's/-*[0-9.]*$//'`
-case "$installstyle" in
-*lib/perl5*) dflt=$siteprefix/lib/site_$prog ;;
-*) dflt=$siteprefix/lib/site_$prog ;;
-esac
-$cat <<EOM
-
-The installation process will create a directory for
-site-specific extensions and modules. Most users find it convenient
-to place all site-specific files in this directory rather than in the
-main distribution directory.
-
-EOM
-fn=d~+
-rp='Pathname for the site-specific library files?'
-. ./getfile
-sitelib="$ans"
-sitelibexp="$ansexp"
-: Change installation prefix, if necessary.
-if $test X"$prefix" != X"$installprefix"; then
- installsitelib=`echo $sitelibexp | sed "s#^$prefix#$installprefix#"`
-else
- installsitelib="$sitelibexp"
-fi
-
: determine where site specific architecture-dependent libraries go.
-: sitelib default is /usr/local/lib/perl5/site_perl/
-: sitearch default is /usr/local/lib/perl5/site_perl/$apiversion/$archname
+: sitelib default is /usr/local/lib/perl5/site_perl/$version
+: sitearch default is /usr/local/lib/perl5/site_perl/$version/$archname
: sitelib may have an optional trailing /share.
tdflt=`echo $sitelib | $sed 's,/share$,,'`
-tdflt="$tdflt/$apiversion/$archname"
+tdflt="$tdflt/$archname"
set sitearch sitearch none
eval $prefixit
case "$sitearch" in
installsitearch="$sitearchexp"
fi
+: determine where add-on public executables go
+case "$sitebin" in
+'') dflt=$siteprefix/bin ;;
+*) dflt=$sitebin ;;
+esac
+fn=d~
+rp='Pathname where the add-on public executables should be installed?'
+. ./getfile
+sitebin="$ans"
+sitebinexp="$ansexp"
+: Change installation prefix, if necessary.
+if $test X"$prefix" != X"$installprefix"; then
+ installsitebin=`echo $sitebinexp | sed "s#^$prefix#$installprefix#"`
+else
+ installsitebin="$sitebinexp"
+fi
+
cat <<EOM
Perl can be built to take advantage of long doubles which
-(if available) may give more accuracy and range for floating point
-numbers. To do so, Configure must be run with -Duselongdouble.
+(if available) may give more accuracy and range for floating point numbers.
If this doesn't make any sense to you, just accept the default 'n'.
EOM
+
+case "$ccflags" in
+*-DUSE_LONG_DOUBLE*|*-DUSE_MORE_BITS*) uselongdouble="$define" ;;
+esac
+
case "$uselongdouble" in
$define|true|[yY]*) dflt='y';;
*) dflt='n';;
eval $setvar
case "$uselongdouble" in
-"$define"|true|[yY]*)
+true|[yY]*) uselongdouble="$define" ;;
+esac
+
+case "$uselongdouble" in
+$define)
: Look for a hint-file generated 'call-back-unit'. If the
: user has specified that long doubles should be used,
: we may need to set or change some other defaults.
;;
esac
-cat <<EOM
-
-Previous version of $package used the standard IO mechanisms as defined
-in <stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
-mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
-the default. This abstraction layer can use AT&T's sfio (if you already
-have sfio installed) or regular stdio. Using PerlIO with sfio may cause
-problems with some extension modules. Using PerlIO with stdio is safe,
-but it is slower than plain stdio and therefore is not the default.
-
-If this doesn't make any sense to you, just accept the default 'n'.
-EOM
-case "$useperlio" in
-$define|true|[yY]*) dflt='y';;
-*) dflt='n';;
-esac
-rp='Use the experimental PerlIO abstraction layer?'
-. ./myread
-case "$ans" in
-y|Y)
- val="$define"
- ;;
-*)
- echo "Ok, doing things the stdio way"
- val="$undef"
- ;;
-esac
-set useperlio
-eval $setvar
-
-: Check how to convert floats to strings.
-if test "X$d_Gconvert" = X; then
- echo " "
- echo "Checking for an efficient way to convert floats to strings."
- $cat >try.c <<'EOP'
-#ifdef TRY_gconvert
-#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
-char *myname = "gconvert";
-#endif
-#ifdef TRY_gcvt
-#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
-char *myname = "gcvt";
-#endif
-#ifdef TRY_sprintf
-#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
-char *myname = "sprintf";
-#endif
-
-#include <stdio.h>
-
-int
-checkit(expect, got)
-char *expect;
-char *got;
-{
- if (strcmp(expect, got)) {
- printf("%s oddity: Expected %s, got %s\n",
- myname, expect, got);
- exit(1);
- }
-}
-
-int main()
-{
- char buf[64];
- buf[63] = '\0';
-
- /* This must be 1st test on (which?) platform */
- /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
- Gconvert(0.1, 8, 0, buf);
- checkit("0.1", buf);
-
- Gconvert(1.0, 8, 0, buf);
- checkit("1", buf);
-
- Gconvert(0.0, 8, 0, buf);
- checkit("0", buf);
-
- Gconvert(-1.0, 8, 0, buf);
- checkit("-1", buf);
-
- /* Some Linux gcvt's give 1.e+5 here. */
- Gconvert(100000.0, 8, 0, buf);
- checkit("100000", buf);
-
- /* Some Linux gcvt's give -1.e+5 here. */
- Gconvert(-100000.0, 8, 0, buf);
- checkit("-100000", buf);
-
- exit(0);
-}
-EOP
- case "$d_Gconvert" in
- gconvert*) xxx_list='gconvert gcvt sprintf' ;;
- gcvt*) xxx_list='gcvt gconvert sprintf' ;;
- sprintf*) xxx_list='sprintf gconvert gcvt' ;;
- *) xxx_list='gconvert gcvt sprintf' ;;
- esac
-
- for xxx_convert in $xxx_list; do
- echo "Trying $xxx_convert"
- $rm -f try try$_o
- set try -DTRY_$xxx_convert
- if eval $compile; then
- echo "$xxx_convert" found. >&4
- if ./try; then
- echo "I'll use $xxx_convert to convert floats into a string." >&4
- break;
- else
- echo "...But $xxx_convert didn't work as I expected."
- fi
- else
- echo "$xxx_convert NOT found." >&4
- fi
- done
-
- case "$xxx_convert" in
- gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
- gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
- *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
- esac
-fi
-
-: see if inttypes.h is available
-: we want a real compile instead of Inhdr because some systems
-: have an inttypes.h which includes non-existent headers
-echo " "
-$cat >try.c <<EOCP
-#include <inttypes.h>
-int main() {
- static int32_t foo32 = 0x12345678;
-}
-EOCP
-set try
-if eval $compile; then
- echo "<inttypes.h> found." >&4
- val="$define"
-else
- echo "<inttypes.h> NOT found." >&4
- val="$undef"
-fi
-$rm -f try.c try
-set i_inttypes
-eval $setvar
-
-: check for int64_t
-case "$use64bits" in
-"$define" )
- echo " "
- echo $n "Checking to see if your system supports int64_t...$c" >&4
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#$i_inttypes I_INTTYPES
-#ifdef I_INTTYPES
-#include <inttypes.h>
-#endif
-int64_t foo() { int64_t x; x = 7; return x; }
-EOCP
- if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define"
- echo " Yup, it does." >&4
- else
- val="$undef"
- echo " Nope, it doesn't." >&4
- fi
- $rm -f try.*
- ;;
-*) val="$undef"
- ;;
+cat <<EOM
+
+Perl can be built to take advantage of long longs which
+(if available) may give more range for integer numbers.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+
+case "$ccflags" in
+*-DUSE_LONG_LONG*) uselonglong="$define" ;;
esac
-set d_int64t
+
+case "$uselonglong" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Try to use long longs if available?'
+. ./myread
+case "$ans" in
+y|Y) val="$define" ;;
+*) val="$undef" ;;
+esac
+set uselonglong
eval $setvar
+case "$uselonglong" in
+true|[yY]*) uselonglong="$define" ;;
+esac
-: check for lengths of integral types
-echo " "
-case "$intsize" in
-'')
- echo "Checking to see how big your integers are..." >&4
- $cat >intsize.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("intsize=%d;\n", sizeof(int));
- printf("longsize=%d;\n", sizeof(long));
- printf("shortsize=%d;\n", sizeof(short));
- exit(0);
-}
-EOCP
- set intsize
- if eval $compile_ok && ./intsize > /dev/null; then
- eval `./intsize`
- echo "Your integers are $intsize bytes long."
- echo "Your long integers are $longsize bytes long."
- echo "Your short integers are $shortsize bytes long."
+case "$uselonglong" in
+$define)
+: Look for a hint-file generated 'call-back-unit'. If the
+: user has specified that long longs should be used,
+: we may need to set or change some other defaults.
+ if $test -f uselonglong.cbu; then
+ echo "Your platform has some specific hints for long longs, using them..."
+ . ./uselonglong.cbu
else
- $cat >&4 <<EOM
-!
-Help! I can't compile and run the intsize test program: please enlighten me!
-(This is probably a misconfiguration in your system or libraries, and
-you really ought to fix it. Still, I'll try anyway.)
-!
+ $cat <<EOM
+(Your platform doesn't have any specific hints for long longs.)
EOM
- dflt=4
- rp="What is the size of an integer (in bytes)?"
- . ./myread
- intsize="$ans"
- dflt=$intsize
- rp="What is the size of a long integer (in bytes)?"
- . ./myread
- longsize="$ans"
- dflt=2
- rp="What is the size of a short integer (in bytes)?"
- . ./myread
- shortsize="$ans"
fi
;;
esac
-$rm -f intsize intsize.*
-: check for long long
-echo " "
-echo $n "Checking to see if your system supports long long...$c" >&4
-echo 'long long foo() { long long x; x = 7; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+cat <<EOM
+
+Previous version of $package used the standard IO mechanisms as defined
+in <stdio.h>. Versions 5.003_02 and later of perl allow alternate IO
+mechanisms via a "PerlIO" abstraction, but the stdio mechanism is still
+the default. This abstraction layer can use AT&T's sfio (if you already
+have sfio installed) or regular stdio. Using PerlIO with sfio may cause
+problems with some extension modules. Using PerlIO with stdio is safe,
+but it is slower than plain stdio and therefore is not the default.
+
+If this doesn't make any sense to you, just accept the default 'n'.
+EOM
+case "$useperlio" in
+$define|true|[yY]*) dflt='y';;
+*) dflt='n';;
+esac
+rp='Use the experimental PerlIO abstraction layer?'
+. ./myread
+case "$ans" in
+y|Y)
val="$define"
- echo " Yup, it does." >&4
-else
+ ;;
+*)
+ echo "Ok, doing things the stdio way"
val="$undef"
- echo " Nope, it doesn't." >&4
-fi
-$rm try.*
-set d_longlong
-eval $setvar
+ ;;
+esac
+set useperlio
+eval $setvar
-: check for length of long long
-case "${d_longlong}${longlongsize}" in
-$define)
- echo " "
- $echo $n "Checking to see how big your long longs are...$c" >&4
- $cat >try.c <<'EOCP'
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof(long long));
-}
-EOCP
- set try
- if eval $compile_ok; then
- longlongsize=`./try`
- $echo " $longlongsize bytes." >&4
+case "$vendorprefix" in
+'') d_vendorbin="$undef"
+ vendorbin=''
+ vendorbinexp=''
+ ;;
+*) d_vendorbin="$define"
+ : determine where vendor-supplied executables go.
+ dflt=$vendorprefix/bin
+ fn=d~+
+ rp='Pathname for the vendor-supplied executables directory?'
+ . ./getfile
+ vendorbin="$ans"
+ vendorbinexp="$ansexp"
+ : Change installation prefix, if necessary.
+ if $test X"$prefix" != X"$installprefix"; then
+ installvendorbin=`echo $vendorbinexp | $sed "s#^$prefix#$installprefix#"`
else
- dflt='8'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of a long long (in bytes)?"
- . ./myread
- longlongsize="$ans"
+ installvendorbin="$vendorbinexp"
fi
- if $test "X$longsize" = "X$longlongsize"; then
- echo "(That isn't any different from an ordinary long.)"
- fi
;;
esac
-$rm -f try.c try
-
-echo " "
-if $test X"$intsize" = X8 -o X"$longsize" = X8 -o X"$d_int64t" = X"$define" -o X"$d_longlong" = X"$define"; then
-
-echo "Checking how to print 64-bit integers..." >&4
+: see if qgcvt exists
+set qgcvt d_qgcvt
+eval $inlibc
-if $test X"$sPRId64" = X -a X"$intsize" = X8; then
- quad=int
- $cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
- int q = 12345678901;
- printf("%ld\n", q);
-}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"';
- sPRIo64='"o"'; sPRIx64='"x"'; sPRIX64='"X"';
- echo "We will use %d."
- ;;
- esac
- fi
-fi
+: Check how to convert floats to strings.
+if test "X$d_Gconvert" = X; then
+ echo " "
+ echo "Checking for an efficient way to convert floats to strings."
+ $cat >try.c <<'EOP'
+#ifdef TRY_gconvert
+#define Gconvert(x,n,t,b) gconvert((x),(n),(t),(b))
+char *myname = "gconvert";
+#endif
+#ifdef TRY_gcvt
+#define Gconvert(x,n,t,b) gcvt((x),(n),(b))
+char *myname = "gcvt";
+#endif
+#ifdef TRY_qgcvt
+#define Gconvert(x,n,t,b) qgcvt((x),(n),(b))
+char *myname = "qgcvt";
+#endif
+#ifdef TRY_sprintf
+#define Gconvert(x,n,t,b) sprintf((b),"%.*g",(n),(x))
+char *myname = "sprintf";
+#endif
-if $test X"$sPRId64" = X -a X"$longsize" = X8; then
- quad=long
- $cat >try.c <<'EOCP'
-#include <sys/types.h>
#include <stdio.h>
-int main() {
- long q = 12345678901;
- printf("%ld\n", q);
-}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"';
- sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIX64='"lX"';
- echo "We will use %ld."
- ;;
- esac
- fi
-fi
-if $test X"$sPRId64" = X -a X"$i_inttypes.h" = X"$define" -a X"$d_int64t" = X"$define"; then
- quad=int64_t
- $cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <inttypes.h>
-#include <stdio.h>
-int main() {
- int64_t q = 12345678901;
- printf("%" PRId64 "\n", q);
+int
+checkit(expect, got)
+char *expect;
+char *got;
+{
+ if (strcmp(expect, got)) {
+ printf("%s oddity: Expected %s, got %s\n",
+ myname, expect, got);
+ exit(1);
+ }
}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
- sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIX64=PRIX64;
- echo "We will use the C9X style."
- ;;
- esac
- fi
-fi
-if $test X"$sPRId64" = X -a X"$d_longlong" = X"$define" -a X"$longlongsize" = X8; then
- quad="long long"
- $cat >try.c <<'EOCP'
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
- long long q = 12345678901LL; /* AIX cc requires the LL prefix. */
- printf("%lld\n", q);
-}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"';
- sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIX64='"llX"';
- echo "We will use the %lld style."
- ;;
- esac
- fi
-fi
+int main()
+{
+ char buf[64];
+ buf[63] = '\0';
-if $test X"$sPRId64" = X -a X"$quad" != X; then
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
- $quad q = 12345678901;
- printf("%Ld\n", q);
-}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"';
- sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIX64='"LX"';
- echo "We will use %lld."
- ;;
- esac
- fi
-fi
+ /* This must be 1st test on (which?) platform */
+ /* Alan Burlison <AlanBurlsin@unn.unisys.com> */
+ Gconvert(0.1, 8, 0, buf);
+ checkit("0.1", buf);
-if $test X"$sPRId64" = X -a X"$quad" != X; then
- $cat >try.c <<EOCP
-#include <sys/types.h>
-#include <stdio.h>
-int main() {
- $quad q = 12345678901;
- printf("%qd\n", q);
-}
-EOCP
- set try
- if eval $compile; then
- yyy=`./try$exe_ext`
- case "$yyy" in
- 12345678901)
- sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"';
- sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIX64='"qX"';
- echo "We will use %qd."
- ;;
- esac
- fi
-fi
+ Gconvert(1.0, 8, 0, buf);
+ checkit("1", buf);
-if $test X"$sPRId64" = X; then
- echo "Cannot figure out how to print 64-bit integers." >&4
-fi
+ Gconvert(0.0, 8, 0, buf);
+ checkit("0", buf);
-$rm -f try try.*
+ Gconvert(-1.0, 8, 0, buf);
+ checkit("-1", buf);
-fi # intsize -o longsize -o d_int64t -o d_longlong
+ /* Some Linux gcvt's give 1.e+5 here. */
+ Gconvert(100000.0, 8, 0, buf);
+ checkit("100000", buf);
+
+ /* Some Linux gcvt's give -1.e+5 here. */
+ Gconvert(-100000.0, 8, 0, buf);
+ checkit("-100000", buf);
-case "$sPRId64" in
-'') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef";
- d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIX64="$undef";
- ;;
-*) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define";
- d_PRIo64="$define"; d_PRIx64="$define"; d_PRIX64="$define";
- ;;
-esac
+ exit(0);
+}
+EOP
+ case "$d_Gconvert" in
+ gconvert*) xxx_list='gconvert gcvt sprintf' ;;
+ gcvt*) xxx_list='gcvt gconvert sprintf' ;;
+ sprintf*) xxx_list='sprintf gconvert gcvt' ;;
+ *) xxx_list='gconvert gcvt sprintf' ;;
+ esac
+
+ case "$uselongdouble$d_qgcvt" in
+ definedefine) xxx_list="`echo $xxx_list|sed s/gcvt/qgcvt/`" ;;
+ esac
+
+ for xxx_convert in $xxx_list; do
+ echo "Trying $xxx_convert..."
+ $rm -f try try$_o
+ set try -DTRY_$xxx_convert
+ if eval $compile; then
+ echo "$xxx_convert" found. >&4
+ if ./try; then
+ echo "I'll use $xxx_convert to convert floats into a string." >&4
+ break;
+ else
+ echo "...But $xxx_convert didn't work as I expected."
+ fi
+ else
+ echo "$xxx_convert NOT found." >&4
+ fi
+ done
+
+ case "$xxx_convert" in
+ gconvert) d_Gconvert='gconvert((x),(n),(t),(b))' ;;
+ gcvt) d_Gconvert='gcvt((x),(n),(b))' ;;
+ qgcvt) d_Gconvert='qgcvt((x),(n),(b))' ;;
+ *) d_Gconvert='sprintf((b),"%.*g",(n),(x))' ;;
+ esac
+fi
: check for length of double
echo " "
#include <stdio.h>
int main()
{
- printf("%d\n", sizeof(double));
+ printf("%d\n", (int)sizeof(double));
+ exit(0);
}
EOCP
set try
: check for long doubles
echo " "
-echo $n "Checking to see if your system supports long double...$c" >&4
-echo 'long double foo() { long double x; x = 7.0; return x; }' > try.c
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+$echo $n "Checking to see if your system supports long double..." $c >&4
+echo 'int main() { long double x = 7.0; }' > try.c
+set try
+if eval $compile; then
val="$define"
- echo " Yup, it does." >&4
+ echo " Yes, it does." >&4
else
val="$undef"
- echo " Nope, it doesn't." >&4
+ echo " No, it doesn't." >&4
fi
$rm try.*
set d_longdbl
case "${d_longdbl}${longdblsize}" in
$define)
echo " "
- $echo $n "Checking to see how big your long doubles are...$c" >&4
+ $echo $n "Checking to see how big your long doubles are..." $c >&4
$cat >try.c <<'EOCP'
#include <stdio.h>
int main()
}
EOCP
set try
+ set try
if eval $compile; then
- longdblsize=`./try`
+ longdblsize=`./try$exe_ext`
$echo " $longdblsize bytes." >&4
else
dflt='8'
fi
;;
esac
-$rm -f try.c try
+$rm -f try.* try
echo " "
if (along != 0x80000001)
result |= 2;
if (result)
- exit(result);
- signal(SIGFPE, blech_in_list);
- sprintf(str, "123.");
- sscanf(str, "%lf", &f); /* f = 123.; */
- along = dummy_long((unsigned long)f);
- aint = dummy_int((unsigned int)f);
- ashort = dummy_short((unsigned short)f);
- if (along != (unsigned long)123)
- result |= 4;
- if (aint != (unsigned int)123)
- result |= 4;
- if (ashort != (unsigned short)123)
- result |= 4;
- exit(result);
-
-}
-EOCP
-set try
-if eval $compile_ok; then
- ./try
- castflags=$?
-else
- echo "(I can't seem to compile the test program--assuming it can't)"
- castflags=7
-fi
-case "$castflags" in
-0) val="$define"
- echo "Yup, it can."
- ;;
-*) val="$undef"
- echo "Nope, it can't."
- ;;
-esac
-set d_castneg
-eval $setvar
-$rm -f try.*
-
-: see if vprintf exists
-echo " "
-if set vprintf val -f d_vprintf; eval $csym; $val; then
- echo 'vprintf() found.' >&4
- val="$define"
- $cat >vprintf.c <<'EOF'
-#include <varargs.h>
-
-int main() { xxx("foo"); }
-
-xxx(va_alist)
-va_dcl
-{
- va_list args;
- char buf[10];
-
- va_start(args);
- exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
-}
-EOF
- set vprintf
- if eval $compile && ./vprintf; then
- echo "Your vsprintf() returns (int)." >&4
- val2="$undef"
- else
- echo "Your vsprintf() returns (char*)." >&4
- val2="$define"
- fi
-else
- echo 'vprintf() NOT found.' >&4
- val="$undef"
- val2="$undef"
-fi
-set d_vprintf
-eval $setvar
-val=$val2
-set d_charvspr
-eval $setvar
-
-: see if chown exists
-set chown d_chown
-eval $inlibc
-
-: see if chroot exists
-set chroot d_chroot
-eval $inlibc
-
-: see if chsize exists
-set chsize d_chsize
-eval $inlibc
-
-hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
-while $test $# -ge 2; do
- case "$1" in
- $define) echo "#include <$2>";;
- esac ;
- shift 2;
-done > try.c;
-echo "int main () { struct $struct foo; foo.$field = 0; }" >> try.c;
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
- val="$define";
-else
- val="$undef";
-fi;
-set $varname;
-eval $setvar;
-$rm -f try.c try.o'
-
-: see if this is a sys/uio.h system
-set sys/uio.h i_sysuio
-eval $inhdr
-
-echo "Checking to see if your system supports struct iovec..." >&4
-set d_iovec_s iovec iov_base $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_iovec_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
-
-socketlib=''
-sockethdr=''
-: see whether socket exists
-echo " "
-$echo $n "Hmm... $c" >&4
-if set socket val -f d_socket; eval $csym; $val; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- if set setsockopt val -f; eval $csym; $val; then
- d_oldsock="$undef"
- else
- echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4
- d_oldsock="$define"
- fi
-else
- if $contains socklib libc.list >/dev/null 2>&1; then
- echo "Looks like you have Berkeley networking support." >&4
- d_socket="$define"
- : we will have to assume that it supports the 4.2 BSD interface
- d_oldsock="$undef"
- else
- echo "You don't have Berkeley networking in libc$_a..." >&4
- if test "X$d_socket" = "X$define"; then
- echo "...but you seem to believe that you have sockets." >&4
- else
- for net in net socket
- do
- if test -f /usr/lib/lib$net$_a; then
- ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \
- $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list
- if $contains socket libc.list >/dev/null 2>&1; then
- d_socket="$define"
- socketlib="-l$net"
- case "$net" in
- net)
- echo "...but the Wollongong group seems to have hacked it in." >&4
- sockethdr="-I/usr/netinclude"
- ;;
- esac
- echo "Found Berkeley sockets interface in lib$net." >& 4
- if $contains setsockopt libc.list >/dev/null 2>&1; then
- d_oldsock="$undef"
- else
- echo "...using the old BSD 4.1c interface, rather than 4.2." >&4
- d_oldsock="$define"
- fi
- break
- fi
- fi
- done
- if test "X$d_socket" != "X$define"; then
- echo "or anywhere else I see." >&4
- d_socket="$undef"
- d_oldsock="$undef"
- fi
- fi
- fi
+ exit(result);
+ signal(SIGFPE, blech_in_list);
+ sprintf(str, "123.");
+ sscanf(str, "%lf", &f); /* f = 123.; */
+ along = dummy_long((unsigned long)f);
+ aint = dummy_int((unsigned int)f);
+ ashort = dummy_short((unsigned short)f);
+ if (along != (unsigned long)123)
+ result |= 4;
+ if (aint != (unsigned int)123)
+ result |= 4;
+ if (ashort != (unsigned short)123)
+ result |= 4;
+ exit(result);
+
+}
+EOCP
+set try
+if eval $compile_ok; then
+ ./try
+ castflags=$?
+else
+ echo "(I can't seem to compile the test program--assuming it can't)"
+ castflags=7
fi
+case "$castflags" in
+0) val="$define"
+ echo "Yup, it can."
+ ;;
+*) val="$undef"
+ echo "Nope, it can't."
+ ;;
+esac
+set d_castneg
+eval $setvar
+$rm -f try.*
-: see if socketpair exists
-set socketpair d_sockpair
-eval $inlibc
+: see if vprintf exists
+echo " "
+if set vprintf val -f d_vprintf; eval $csym; $val; then
+ echo 'vprintf() found.' >&4
+ val="$define"
+ $cat >vprintf.c <<'EOF'
+#include <varargs.h>
+int main() { xxx("foo"); }
-echo " "
-echo "Checking the availability of certain socket constants..." >& 4
-for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
- enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
- $cat >try.c <<EOF
-#include <sys/types.h>
-#include <sys/socket.h>
-int main() {
- int i = $ENUM;
+xxx(va_alist)
+va_dcl
+{
+ va_list args;
+ char buf[10];
+
+ va_start(args);
+ exit((unsigned long)vsprintf(buf,"%s",args) > 10L);
}
EOF
- val="$undef"
- set try; if eval $compile; then
- val="$define"
+ set vprintf
+ if eval $compile && ./vprintf; then
+ echo "Your vsprintf() returns (int)." >&4
+ val2="$undef"
+ else
+ echo "Your vsprintf() returns (char*)." >&4
+ val2="$define"
fi
- set d_${enum}; eval $setvar
- $rm -f try.c try
-done
+else
+ echo 'vprintf() NOT found.' >&4
+ val="$undef"
+ val2="$undef"
+fi
+set d_vprintf
+eval $setvar
+val=$val2
+set d_charvspr
+eval $setvar
-set sendmsg d_sendmsg
+: see if chown exists
+set chown d_chown
eval $inlibc
-set recvmsg d_recvmsg
+: see if chroot exists
+set chroot d_chroot
eval $inlibc
-echo " "
-$echo $n "Checking to see if your system supports struct msghdr...$c" >&4
-set d_msghdr_s msghdr msg_name define sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_msghdr_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
-
-$echo $n "Checking to see if your system supports struct cmsghdr...$c" >&4
-set d_cmsghdr_s cmsghdr cmsg_len define sys/types.h $d_socket sys/socket.h $i_sysuio sys/uio.h
-eval $hasfield
-case "$d_cmsghdr_s" in
-"$define") echo "Yup, it does." >&4
- ;;
-*) echo "Nope, it doesn't." >&4
- ;;
-esac
+: see if chsize exists
+set chsize d_chsize
+eval $inlibc
: check for const keyword
echo " "
eval $setvar
$rm -f open3*
+: see which of string.h or strings.h is needed
+echo " "
+strings=`./findhdr string.h`
+if $test "$strings" && $test -r "$strings"; then
+ echo "Using <string.h> instead of <strings.h>." >&4
+ val="$define"
+else
+ val="$undef"
+ strings=`./findhdr strings.h`
+ if $test "$strings" && $test -r "$strings"; then
+ echo "Using <strings.h> instead of <string.h>." >&4
+ else
+ echo "No string header found -- You'll surely have problems." >&4
+ fi
+fi
+set i_string
+eval $setvar
+case "$i_string" in
+"$undef") strings=`./findhdr strings.h`;;
+*) strings=`./findhdr string.h`;;
+esac
+
: check for non-blocking I/O stuff
case "$h_sysfile" in
true) echo "#include <sys/file.h>" > head.c;;
'')
$cat head.c > try.c
$cat >>try.c <<'EOCP'
+#include <stdio.h>
int main() {
#ifdef O_NONBLOCK
printf("O_NONBLOCK\n");
#include <errno.h>
#include <sys/types.h>
#include <signal.h>
+#include <stdio.h>
#define MY_O_NONBLOCK $o_nonblock
#ifndef errno /* XXX need better Configure test */
extern int errno;
#endif
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+#include <unistd.h>
+#endif
+#ifdef $i_string
+#include <string.h>
+#else
+#include <strings.h>
+#endif
$signal_t blech(x) int x; { exit(3); }
EOCP
$cat >> try.c <<'EOCP'
set fcntl d_fcntl
eval $inlibc
+hasfield='varname=$1; struct=$2; field=$3; shift; shift; shift;
+while $test $# -ge 2; do
+ case "$1" in
+ $define) echo "#include <$2>";;
+ esac ;
+ shift 2;
+done > try.c;
+echo "int main () { struct $struct foo; char* bar; bar = (char*)foo.$field; }" >> try.c;
+set try;
+if eval $compile; then
+ val="$define";
+else
+ val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm -f try.c try.o'
+
+socketlib=''
+sockethdr=''
+: see whether socket exists
+echo " "
+$echo $n "Hmm... $c" >&4
+if set socket val -f d_socket; eval $csym; $val; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ if set setsockopt val -f; eval $csym; $val; then
+ d_oldsock="$undef"
+ else
+ echo "...but it uses the old BSD 4.1c interface, rather than 4.2." >&4
+ d_oldsock="$define"
+ fi
+else
+ if $contains socklib libc.list >/dev/null 2>&1; then
+ echo "Looks like you have Berkeley networking support." >&4
+ d_socket="$define"
+ : we will have to assume that it supports the 4.2 BSD interface
+ d_oldsock="$undef"
+ else
+ echo "You don't have Berkeley networking in libc$_a..." >&4
+ if test "X$d_socket" = "X$define"; then
+ echo "...but you seem to believe that you have sockets." >&4
+ else
+ for net in net socket
+ do
+ if test -f /usr/lib/lib$net$_a; then
+ ( ($nm $nm_opt /usr/lib/lib$net$_a | eval $nm_extract) || \
+ $ar t /usr/lib/lib$net$_a) 2>/dev/null >> libc.list
+ if $contains socket libc.list >/dev/null 2>&1; then
+ d_socket="$define"
+ socketlib="-l$net"
+ case "$net" in
+ net)
+ echo "...but the Wollongong group seems to have hacked it in." >&4
+ sockethdr="-I/usr/netinclude"
+ ;;
+ esac
+ echo "Found Berkeley sockets interface in lib$net." >& 4
+ if $contains setsockopt libc.list >/dev/null 2>&1; then
+ d_oldsock="$undef"
+ else
+ echo "...using the old BSD 4.1c interface, rather than 4.2." >&4
+ d_oldsock="$define"
+ fi
+ break
+ fi
+ fi
+ done
+ if test "X$d_socket" != "X$define"; then
+ echo "or anywhere else I see." >&4
+ d_socket="$undef"
+ d_oldsock="$undef"
+ fi
+ fi
+ fi
+fi
+
+: see if socketpair exists
+set socketpair d_sockpair
+eval $inlibc
+
+
+echo " "
+echo "Checking the availability of certain socket constants..." >& 4
+for ENUM in MSG_CTRUNC MSG_DONTROUTE MSG_OOB MSG_PEEK MSG_PROXY SCM_RIGHTS; do
+ enum=`$echo $ENUM|./tr '[A-Z]' '[a-z]'`
+ $cat >try.c <<EOF
+#include <sys/types.h>
+#include <sys/socket.h>
+int main() {
+ int i = $ENUM;
+}
+EOF
+ val="$undef"
+ set try; if eval $compile; then
+ val="$define"
+ fi
+ set d_${enum}; eval $setvar
+ $rm -f try.c try
+done
+
: see if sys/select.h has to be included
set sys/select.h i_sysselct
eval $inhdr
eval $inlibc
-: see if llseek exists
-set llseek d_llseek
-eval $inlibc
-
: check for off64_t
echo " "
-echo $n "Checking to see if your system supports off64_t...$c" >&4
+echo "Checking to see if your system supports off64_t..." >&4
$cat >try.c <<EOCP
#include <sys/types.h>
#include <unistd.h>
-off64_t foo() { off64_t x; x = 7; return x; }'
+int main() { off64_t x = 7; }'
EOCP
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+set try
+if eval $compile; then
val="$define"
- echo " Yup, it does." >&4
+ echo "Yes, it does."
else
val="$undef"
- echo " Nope, it doesn't." >&4
+ echo "No, it doesn't."
+ case "$lseeksize" in
+ 8) echo "(Your off_t is 64 bits, so you could use that.)" ;;
+ esac
fi
-$rm -f try.*
+$rm -f try.* try
set d_off64_t
eval $setvar
: check for fpos64_t
echo " "
-echo $n "Checking to see if your system supports fpos64_t...$c" >&4
+echo "Checking to see if your system supports fpos64_t..." >&4
$cat >try.c <<EOCP
#include <sys/stdio.h>
-fpos64_t foo() { fpos64_t x; x = 7; return x; }'
+int main() { fpos64_t x x = 7; }'
EOCP
-if $cc $optimize $ccflags -c try.c >/dev/null 2>&1; then
+set try
+if eval $compile; then
val="$define"
- echo " Yup, it does." >&4
+ echo "Yes, it does."
else
val="$undef"
- echo " Nope, it doesn't." >&4
+ echo "No, it doesn't."
+ case "$fpossize" in
+ 8) echo "(Your fpos_t is 64 bits, so you could use that.)" ;;
+ esac
fi
-$rm -f try.*
+$rm -f try.* try
set d_fpos64_t
eval $setvar
-: see if fseeko exists
-set fseeko d_fseeko
-eval $inlibc
-
-: see if fsetpos exists
-set fsetpos d_fsetpos
-eval $inlibc
+hasstruct='varname=$1; struct=$2; shift; shift;
+while $test $# -ge 2; do
+ case "$1" in
+ $define) echo "#include <$2>";;
+ esac ;
+ shift 2;
+done > try.c;
+echo "int main () { struct $struct foo; }" >> try.c;
+set try;
+if eval $compile; then
+ val="$define";
+else
+ val="$undef";
+fi;
+set $varname;
+eval $setvar;
+$rm -f try.c try.o'
: see if this is a sys/param system
set sys/param.h i_sysparam
set sys/mount.h i_sysmount
eval $inhdr
+: see if sys/types.h has to be included
+set sys/types.h i_systypes
+eval $inhdr
+
+
+echo " "
+echo "Checking to see if your system supports struct fs_data..." >&4
+set d_fs_data_s fs_data $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h
+eval $hasstruct
+case "$d_fs_data_s" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
+esac
+
+: see if fseeko exists
+set fseeko d_fseeko
+eval $inlibc
+case "$longsize" in
+8) echo "(Your long is 64 bits, so in a pinch you could use fseek.)" ;;
+esac
-: see if statfs exists
-set statfs d_statfs
+: see if fsetpos exists
+set fsetpos d_fsetpos
eval $inlibc
+
: see if fstatfs exists
set fstatfs d_fstatfs
eval $inlibc
-: see if statfs knows about mount flags
-set d_statfsflags statfs f_flags $i_sysparam sys/param.h $i_sysmount sys/mount.h
-eval $hasfield
-
: see if statvfs exists
set statvfs d_statvfs
: see if ftello exists
set ftello d_ftello
eval $inlibc
+case "$longsize" in
+8) echo "(Your long is 64 bits, so in a pinch you could use ftell.)" ;;
+esac
: see if getgrent exists
set getgrent d_getgrent
set getlogin d_getlogin
eval $inlibc
+: see if getmnt exists
+set getmnt d_getmnt
+eval $inlibc
+
: see if getmntent exists
set getmntent d_getmntent
eval $inlibc
set d_htonl
eval $setvar
-: see which of string.h or strings.h is needed
-echo " "
-strings=`./findhdr string.h`
-if $test "$strings" && $test -r "$strings"; then
- echo "Using <string.h> instead of <strings.h>." >&4
- val="$define"
-else
- val="$undef"
- strings=`./findhdr strings.h`
- if $test "$strings" && $test -r "$strings"; then
- echo "Using <strings.h> instead of <string.h>." >&4
- else
- echo "No string header found -- You'll surely have problems." >&4
- fi
-fi
-set i_string
-eval $setvar
-case "$i_string" in
-"$undef") strings=`./findhdr strings.h`;;
-*) strings=`./findhdr string.h`;;
-esac
-
: index or strchr
echo " "
if set index val -f; eval $csym; $val; then
set lockf d_lockf
eval $inlibc
+: check for long long
+echo " "
+$echo $n "Checking to see if your system supports long long..." $c >&4
+echo 'int main() { long long x = 7; return 0; }' > try.c
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm try.*
+set d_longlong
+eval $setvar
+
+: check for length of long long
+case "${d_longlong}${longlongsize}" in
+$define)
+ echo " "
+ $echo $n "Checking to see how big your long longs are..." $c >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
+int main()
+{
+ printf("%d\n", (int)sizeof(long long));
+ return(0);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ longlongsize=`./try$exe_ext`
+ $echo " $longlongsize bytes." >&4
+ else
+ dflt='8'
+ echo " "
+ echo "(I can't seem to compile the test program. Guessing...)"
+ rp="What is the size of a long long (in bytes)?"
+ . ./myread
+ longlongsize="$ans"
+ fi
+ if $test "X$longsize" = "X$longlongsize"; then
+ echo "(That isn't any different from an ordinary long.)"
+ fi
+ ;;
+esac
+$rm -f try.* try
+
: see if lstat exists
set lstat d_lstat
eval $inlibc
-: see if madvise exists
-set madvise d_madvise
-eval $inlibc
-
: see if mblen exists
set mblen d_mblen
eval $inlibc
set mktime d_mktime
eval $inlibc
-: see if this is a sys/mman.h system
-set sys/mman.h i_sysmman
-eval $inhdr
-
-: see if mmap exists
-set mmap d_mmap
-eval $inlibc
-: see what shmat returns
-: default to something harmless
-mmaptype='void *'
-case "$i_sysmman$d_mmap" in
-"$define$define")
- $cat >mmap.c <<'END'
-#include <sys/mman.h>
-void *mmap();
-END
- if $cc $ccflags -c mmap.c >/dev/null 2>&1; then
- mmaptype='void *'
- else
- mmaptype='caddr_t'
- fi
- echo "and it returns ($mmaptype)." >&4
- ;;
-esac
-
-
-
-: see if mprotect exists
-set mprotect d_mprotect
-eval $inlibc
-
: see if msgctl exists
set msgctl d_msgctl
eval $inlibc
set d_msg
eval $setvar
-: see if msync exists
-set msync d_msync
-eval $inlibc
-
-: see if munmap exists
-set munmap d_munmap
-eval $inlibc
-
: see if nice exists
set nice d_nice
eval $inlibc
;;
esac
+: see if inttypes.h is available
+: we want a real compile instead of Inhdr because some systems
+: have an inttypes.h which includes non-existent headers
+echo " "
+$cat >try.c <<EOCP
+#include <inttypes.h>
+int main() {
+ static int32_t foo32 = 0x12345678;
+}
+EOCP
+set try
+if eval $compile; then
+ echo "<inttypes.h> found." >&4
+ val="$define"
+else
+ echo "<inttypes.h> NOT found." >&4
+ val="$undef"
+fi
+$rm -f try.c try
+set i_inttypes
+eval $setvar
+
+: check for int64_t
+echo " "
+$echo $n "Checking to see if your system supports int64_t...$c" >&4
+$cat >try.c <<EOCP
+#include <sys/types.h>
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
+#endif
+int main() { int64_t x = 7; }
+EOCP
+set try
+if eval $compile; then
+ val="$define"
+ echo " Yes, it does." >&4
+else
+ val="$undef"
+ echo " No, it doesn't." >&4
+fi
+$rm -f try try.*
+set d_int64t
+eval $setvar
+
+
+echo " "
+echo "Checking which 64-bit integer type we could use..." >&4
+
+case "$intsize" in
+8) val=int
+ set quadtype
+ eval $setvar
+ val='"unsigned int"'
+ set uquadtype
+ eval $setvar
+ quadkind=1
+ ;;
+*) case "$longsize" in
+ 8) val=long
+ set quadtype
+ eval $setvar
+ val='"unsigned long"'
+ set uquadtype
+ eval $setvar
+ quadkind=2
+ ;;
+ *) case "$uselonglong:$d_longlong:$longlongsize" in
+ define:define:8)
+ val='"long long"'
+ set quadtype
+ eval $setvar
+ val='"unsigned long long"'
+ set uquadtype
+ eval $setvar
+ quadkind=3
+ ;;
+ *) case "$d_int64t" in
+ define)
+ val=int64_t
+ set quadtype
+ eval $setvar
+ val=uint64_t
+ set uquadtype
+ eval $setvar
+ quadkind=4
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+case "$quadtype" in
+'') case "$uselonglong:$d_longlong:$longlongsize" in
+ undef:define:8)
+ echo "(You would have 'long long', but you are not using it.)" >&4 ;;
+ *) echo "Alas, no 64-bit integer types in sight." >&4 ;;
+ esac
+ d_quad="$undef"
+ ;;
+*) if test X"$use64bits" = Xdefine -o X"$longsize" = X8; then
+ verb="will"
+ else
+ verb="could"
+ fi
+ echo "We $verb use '$quadtype' for 64-bit integers." >&4
+ d_quad="$define"
+ ;;
+esac
+
: see if readdir and friends exist
set readdir d_readdir
eval $inlibc
set readlink d_readlink
eval $inlibc
-: see if readv exists
-set readv d_readv
-eval $inlibc
-
: see if rename exists
set rename d_rename
eval $inlibc
struct sigaction act, oact;
act.sa_flags = 0;
oact.sa_handler = 0;
+ /* so that act and oact are used */
+ exit(act.sa_flags == 0 && oact.sa_handler == 0);
}
EOP
set try
eval $setvar
$rm -f try.c try
+: see if sqrtl exists
+set sqrtl d_sqrtl
+eval $inlibc
+
: see if sys/stat.h is available
set sys/stat.h i_sysstat
eval $inhdr
+
: see if stat knows about block sizes
echo " "
+echo "Checking to see if your struct stat has st_blocks field..." >&4
set d_statblks stat st_blocks $i_sysstat sys/stat.h
eval $hasfield
+
+: see if this is a sys/vfs.h system
+set sys/vfs.h i_sysvfs
+eval $inhdr
+
+
+: see if this is a sys/statfs.h system
+set sys/statfs.h i_sysstatfs
+eval $inhdr
+
+
+echo " "
+echo "Checking to see if your system supports struct statfs..." >&4
+set d_statfs_s statfs $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
+eval $hasstruct
+case "$d_statfs_s" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
+esac
+
+
+
+: see if struct statfs knows about f_flags
+case "$d_statfs_s" in
+define)
+ echo " "
+ echo "Checking to see if your struct statfs has f_flags field..." >&4
+ set d_statfs_f_flags statfs f_flags $i_systypes sys/types.h $i_sysparam sys/param.h $i_sysmount sys/mount.h $i_sysvfs sys/vfs.h $i_sysstatfs sys/statfs.h
+ eval $hasfield
+ ;;
+*) val="$undef"
+ set d_statfs_f_flags
+ eval $setvar
+ ;;
+esac
+case "$d_statfs_f_flags" in
+"$define") echo "Yes, it does." ;;
+*) echo "No, it doesn't." ;;
+esac
+
: see if _ptr and _cnt from stdio act std
echo " "
if $contains '_IO_fpos_t' `./findhdr stdio.h` `./findhdr libio.h` >/dev/null 2>&1 ; then
set strtol d_strtol
eval $inlibc
+: see if strtold exists
+set strtold d_strtold
+eval $inlibc
+
: see if strtoul exists
set strtoul d_strtoul
eval $inlibc
set strtoull d_strtoull
eval $inlibc
+: see if strtouq exists
+set strtouq d_strtouq
+eval $inlibc
+
: see if strxfrm exists
set strxfrm d_strxfrm
eval $inlibc
set tcsetpgrp d_tcsetpgrp
eval $inlibc
-: see if sys/types.h has to be included
-set sys/types.h i_systypes
-eval $inhdr
-
: see if prototype for telldir is available
-echo " "
-set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
-eval $hasproto
-
-: define an is-a-typedef? function
-typedef='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
-case "$inclist" in
-"") inclist="sys/types.h";;
-esac;
-eval "varval=\$$var";
-case "$varval" in
-"")
- $rm -f temp.c;
- for inc in $inclist; do
- echo "#include <$inc>" >>temp.c;
- done;
- echo "#ifdef $type" >> temp.c;
- echo "printf(\"We have $type\");" >> temp.c;
- echo "#endif" >> temp.c;
- $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
- if $contains $type temp.E >/dev/null 2>&1; then
- eval "$var=\$type";
- else
- eval "$var=\$def";
- fi;
- $rm -f temp.?;;
-*) eval "$var=\$varval";;
-esac'
-
-: define an is-a-typedef? function that prompts if the type is not available.
-typedef_ask='type=$1; var=$2; def=$3; shift; shift; shift; inclist=$@;
-case "$inclist" in
-"") inclist="sys/types.h";;
-esac;
-eval "varval=\$$var";
-case "$varval" in
-"")
- $rm -f temp.c;
- for inc in $inclist; do
- echo "#include <$inc>" >>temp.c;
- done;
- echo "#ifdef $type" >> temp.c;
- echo "printf(\"We have $type\");" >> temp.c;
- echo "#endif" >> temp.c;
- $cppstdin $cppflags $cppminus < temp.c >temp.E 2>/dev/null;
- echo " " ;
- echo "$rp" | $sed -e "s/What is/Looking for/" -e "s/?/./";
- if $contains $type temp.E >/dev/null 2>&1; then
- echo "$type found." >&4;
- eval "$var=\$type";
- else
- echo "$type NOT found." >&4;
- dflt="$def";
- . ./myread ;
- eval "$var=\$ans";
- fi;
- $rm -f temp.?;;
-*) eval "$var=\$varval";;
-esac'
+echo " "
+set d_telldirproto telldir $i_systypes sys/types.h $i_dirent dirent.h
+eval $hasproto
: see if this is a sys/times.h system
set sys/times.h i_systimes
set umask d_umask
eval $inlibc
+: see if ustat exists
+set ustat d_ustat
+eval $inlibc
+
: backward compatibility for d_hvfork
if test X$d_hvfork != X; then
d_vfork="$d_hvfork"
set wctomb d_wctomb
eval $inlibc
-: see if writev exists
-set writev d_writev
-eval $inlibc
-
: preserve RCS keywords in files with variable substitution, grrr
Date='$Date'
Id='$Id'
case "$alignbytes" in
'') echo "Checking alignment constraints..." >&4
$cat >try.c <<'EOCP'
+#include <stdio.h>
struct foobar {
char foo;
double bar;
} try_algn;
int main()
{
- printf("%d\n", (char *)&try_algn.bar - (char *)&try_algn.foo);
+ printf("%d\n", (int)((char *)&try_algn.bar - (char *)&try_algn.foo));
+ return(0);
}
EOCP
set try
}
EOCP
set try
- if eval $compile && ./try; then
+ if eval $compile_ok && ./try; then
echo 'Looks OK.' >&4
else
echo "I can't use Berkeley DB with your <db.h>. I'll disable Berkeley DB." >&4
#include <sys/types.h>
#include <db.h>
-#ifndef DB_VERSION_MAJOR
-size_t prefix_cb (key1, key2)
-const DBT *key1;
-const DBT *key2;
-{
-}
-BTREEINFO info;
+#ifndef DB_VERSION_MAJOR
+size_t prefix_cb (key1, key2)
+const DBT *key1;
+const DBT *key2;
+{
+}
+BTREEINFO info;
+int main()
+{
+ info.prefix = prefix_cb;
+}
+#endif
+EOCP
+ if $cc $ccflags -c try.c >try.out 2>&1 ; then
+ if $contains warning try.out >>/dev/null 2>&1 ; then
+ db_prefixtype='int'
+ else
+ db_prefixtype='size_t'
+ fi
+ else
+ db_prefixtype='size_t'
+ : XXX Maybe we should just give up here.
+ $cat try.out >&4
+ echo "Help: I can't seem to compile the db test program." >&4
+ echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
+ fi
+ $rm -f try.*
+ echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
+ ;;
+*) db_prefixtype='size_t'
+ ;;
+esac
+
+: check for void type
+echo " "
+echo "Checking to see how well your C compiler groks the void type..." >&4
+case "$voidflags" in
+'')
+ $cat >try.c <<'EOCP'
+#if TRY & 1
+void sub() {
+#else
+sub() {
+#endif
+ extern void moo(); /* function returning void */
+ void (*goo)(); /* ptr to func returning void */
+#if TRY & 8
+ void *hue; /* generic ptr */
+#endif
+#if TRY & 2
+ void (*foo[10])();
+#endif
+
+#if TRY & 4
+ if(goo == moo) {
+ exit(0);
+ }
+#endif
+ exit(0);
+}
+int main() { sub(); }
+EOCP
+ if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
+ voidflags=$defvoidused
+ echo "Good. It appears to support void to the level $package wants.">&4
+ if $contains warning .out >/dev/null 2>&1; then
+ echo "However, you might get some warnings that look like this:"
+ $cat .out
+ fi
+ else
+echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
+ if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
+ echo "It supports 1..."
+ if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
+ echo "It also supports 2..."
+ if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
+ voidflags=7
+ echo "And it supports 4 but not 8 definitely."
+ else
+ echo "It doesn't support 4..."
+ if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
+ voidflags=11
+ echo "But it supports 8."
+ else
+ voidflags=3
+ echo "Neither does it support 8."
+ fi
+ fi
+ else
+ echo "It does not support 2..."
+ if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
+ voidflags=13
+ echo "But it supports 4 and 8."
+ else
+ if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
+ voidflags=5
+ echo "And it supports 4 but has not heard about 8."
+ else
+ echo "However it supports 8 but not 4."
+ fi
+ fi
+ fi
+ else
+ echo "There is no support at all for void."
+ voidflags=0
+ fi
+ fi
+esac
+case "$voidflags" in
+"$defvoidused") ;;
+*) $cat >&4 <<'EOM'
+ Support flag bits are:
+ 1: basic void declarations.
+ 2: arrays of pointers to functions returning void.
+ 4: operations between pointers to and addresses of void functions.
+ 8: generic void pointers.
+EOM
+ dflt="$voidflags";
+ rp="Your void support flags add up to what?"
+ . ./myread
+ voidflags="$ans"
+ ;;
+esac
+$rm -f try.* .out
+
+
+: How can we generate normalized random numbers ?
+echo " "
+echo "Looking for a random number function..." >&4
+case "$randfunc" in
+'')
+ if set drand48 val -f; eval $csym; $val; then
+ dflt="drand48"
+ echo "Good, found drand48()." >&4
+ elif set random val -f; eval $csym; $val; then
+ dflt="random"
+ echo "OK, found random()." >&4
+ else
+ dflt="rand"
+ echo "Yick, looks like I have to use rand()." >&4
+ fi
+ echo " "
+ ;;
+*)
+ dflt="$randfunc"
+ ;;
+esac
+cont=true
+
+case "$ccflags" in
+*-Dmy_rand=*|*-Dmy_srand=*)
+ echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4
+ ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`"
+ ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`"
+ ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`"
+ ;;
+esac
+
+while $test "$cont"; do
+ rp="Use which function to generate random numbers?"
+ . ./myread
+ if $test "$ans" = "$dflt"; then
+ : null
+ else
+ randbits=''
+ fi
+ randfunc="$ans"
+ if set $ans val -f; eval $csym; $val; then
+ cont=''
+ else
+ dflt=y
+ rp="I cannot find function $ans. Use that name anyway?"
+ . ./myread
+ dflt=rand
+ case "$ans" in
+ [yY]*) cont='';;
+ esac
+ fi
+ case "$cont" in
+ '')
+ case "$randfunc" in
+ drand48)
+ drand01="drand48()"
+ seedfunc="srand48"
+ randbits=48
+ randseedtype=long
+ ;;
+ rand|random)
+ case "$randbits" in
+ '')
+echo "Checking to see how many bits your $randfunc() function produces..." >&4
+ $cat >try.c <<EOCP
+#$i_unistd I_UNISTD
+#$i_stdlib I_STDLIB
+#include <stdio.h>
+#ifdef I_UNISTD
+# include <unistd.h>
+#endif
+#ifdef I_STDLIB
+# include <stdlib.h>
+#endif
+int main()
+{
+ register int i;
+ register unsigned long tmp;
+ register unsigned long max = 0L;
+
+ for (i = 1000; i; i--) {
+ tmp = (unsigned long) $randfunc();
+ if (tmp > max) max = tmp;
+ }
+ for (i = 0; max; i++)
+ max /= 2;
+ printf("%d\n",i);
+}
+EOCP
+ set try
+ if eval $compile_ok; then
+ dflt=`try`
+ else
+ dflt='?'
+ echo "(I can't seem to compile the test program...)"
+ fi
+ ;;
+ *)
+ dflt="$randbits"
+ ;;
+ esac
+ rp="How many bits does your $randfunc() function produce?"
+ . ./myread
+ randbits="$ans"
+ $rm -f try.c try
+ drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
+ seedfunc="s$randfunc"
+ randseedtype=unsigned
+ ;;
+ *)
+ dflt="31"
+ rp="How many bits does your $randfunc() function produce?"
+ . ./myread
+ randbits="$ans"
+ seedfunc="s$randfunc"
+ drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
+ if set $seedfunc val -f; eval $csym; $val; then
+ echo "(Using $seedfunc() to seed random generator)"
+ else
+ echo "(Warning: no $seedfunc() to seed random generator)"
+ seedfunc=rand
+ fi
+ randseedtype=unsigned
+ ;;
+ esac
+ ;;
+ esac
+done
+
+echo " "
+echo "Determining whether or not we are on an EBCDIC system..." >&4
+$cat >tebcdic.c <<'EOM'
int main()
{
- info.prefix = prefix_cb;
+ if ('M'==0xd4) return 0;
+ return 1;
}
-#endif
-EOCP
- if $cc $ccflags -c try.c >try.out 2>&1 ; then
- if $contains warning try.out >>/dev/null 2>&1 ; then
- db_prefixtype='int'
- else
- db_prefixtype='size_t'
- fi
+EOM
+
+val=$undef
+set tebcdic
+if eval $compile_ok; then
+ if ./tebcdic; then
+ echo "You have EBCDIC." >&4
+ val="$define"
else
- db_prefixtype='size_t'
- : XXX Maybe we should just give up here.
- $cat try.out >&4
- echo "Help: I can't seem to compile the db test program." >&4
- echo "Something's wrong, but I'll assume you use $db_prefixtype." >&4
+ echo "Nope, no EBCDIC, probably ASCII or some ISO Latin." >&4
fi
- $rm -f try.*
- echo "Your version of Berkeley DB uses $db_prefixtype for prefix."
- ;;
-*) db_prefixtype='size_t'
- ;;
-esac
+else
+ echo "I'm unable to compile the test program." >&4
+ echo "I'll assume ASCII or some ISO Latin." >&4
+fi
+$rm -f tebcdic.c tebcdic
+set ebcdic
+eval $setvar
-: check for void type
echo " "
-echo "Checking to see how well your C compiler groks the void type..." >&4
-case "$voidflags" in
-'')
- $cat >try.c <<'EOCP'
-#if TRY & 1
-void sub() {
-#else
-sub() {
+$cat >&4 <<EOM
+Checking how to flush all pending stdio output...
+EOM
+# I only know how to find the first 32 possibly open files on SunOS.
+# See also hints/sunos_4_1.sh and util.c --AD
+case "$osname" in
+sunos) $echo '#define PERL_FFLUSH_ALL_FOPEN_MAX 32' > try.c ;;
+esac
+$cat >>try.c <<EOCP
+#include <stdio.h>
+#$i_unistd I_UNISTD
+#ifdef I_UNISTD
+# include <unistd.h>
#endif
- extern void moo(); /* function returning void */
- void (*goo)(); /* ptr to func returning void */
-#if TRY & 8
- void *hue; /* generic ptr */
+#$d_sysconf HAS_SYSCONF
+#$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY
+#ifdef HAS_STDIO_STREAM_ARRAY
+# define STDIO_STREAM_ARRAY $stdio_stream_array
#endif
-#if TRY & 2
- void (*foo[10])();
+int main() {
+ FILE* p = fopen("try.out", "w");
+#ifdef TRY_FPUTC
+ fputc('x', p);
+#else
+# ifdef TRY_FPRINTF
+ fprintf(p, "x");
+# endif
#endif
-
-#if TRY & 4
- if(goo == moo) {
- exit(0);
- }
+#ifdef TRY_FFLUSH_NULL
+ fflush(NULL);
#endif
- exit(0);
+#ifdef TRY_FFLUSH_ALL
+ {
+ long open_max = -1;
+# ifdef PERL_FFLUSH_ALL_FOPEN_MAX
+ open_max = PERL_FFLUSH_ALL_FOPEN_MAX;
+# else
+# if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX)
+ open_max = sysconf(_SC_OPEN_MAX);
+# else
+# ifdef FOPEN_MAX
+ open_max = FOPEN_MAX;
+# else
+# ifdef OPEN_MAX
+ open_max = OPEN_MAX;
+# else
+# ifdef _NFILE
+ open_max = _NFILE;
+# endif
+# endif
+# endif
+# endif
+# endif
+# ifdef HAS_STDIO_STREAM_ARRAY
+ if (open_max > 0) {
+ long i;
+ for (i = 0; i < open_max; i++)
+ if (STDIO_STREAM_ARRAY[i]._file >= 0 &&
+ STDIO_STREAM_ARRAY[i]._file < open_max &&
+ STDIO_STREAM_ARRAY[i]._flag)
+ fflush(&STDIO_STREAM_ARRAY[i]);
+ }
+ }
+# endif
+#endif
+ _exit(42);
}
-int main() { sub(); }
EOCP
- if $cc $ccflags -c -DTRY=$defvoidused try.c >.out 2>&1 ; then
- voidflags=$defvoidused
- echo "Good. It appears to support void to the level $package wants.">&4
- if $contains warning .out >/dev/null 2>&1; then
- echo "However, you might get some warnings that look like this:"
- $cat .out
+: first we have to find out how _not_ to flush
+if $test "X$fflushNULL" = X -o "X$fflushall" = X; then
+ output=''
+ set try -DTRY_FPUTC
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test ! -s try.out -a "X$?" = X42; then
+ output=-DTRY_FPUTC
+ fi
+ fi
+ case "$output" in
+ '')
+ set try -DTRY_FPRINTF
+ $rm -f try.out
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test ! -s try.out -a "X$?" = X42; then
+ output=-DTRY_FPRINTF
+ fi
+ fi
+ ;;
+ esac
+fi
+: check for fflush NULL behaviour
+case "$fflushNULL" in
+'') set try -DTRY_FFLUSH_NULL $output
+ if eval $compile; then
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ code="$?"
+ if $test -s try.out -a "X$code" = X42; then
+ fflushNULL="`$cat try.out`"
+ else
+ if $test "X$code" != X42; then
+ $cat >&4 <<EOM
+(If this test failed, don't worry, we'll try another method shortly.)
+EOM
+ fi
fi
- else
-echo "Hmm, your compiler has some difficulty with void. Checking further..." >&4
- if $cc $ccflags -c -DTRY=1 try.c >/dev/null 2>&1; then
- echo "It supports 1..."
- if $cc $ccflags -c -DTRY=3 try.c >/dev/null 2>&1; then
- echo "It also supports 2..."
- if $cc $ccflags -c -DTRY=7 try.c >/dev/null 2>&1; then
- voidflags=7
- echo "And it supports 4 but not 8 definitely."
- else
- echo "It doesn't support 4..."
- if $cc $ccflags -c -DTRY=11 try.c >/dev/null 2>&1; then
- voidflags=11
- echo "But it supports 8."
- else
- voidflags=3
- echo "Neither does it support 8."
- fi
- fi
- else
- echo "It does not support 2..."
- if $cc $ccflags -c -DTRY=13 try.c >/dev/null 2>&1; then
- voidflags=13
- echo "But it supports 4 and 8."
- else
- if $cc $ccflags -c -DTRY=5 try.c >/dev/null 2>&1; then
- voidflags=5
- echo "And it supports 4 but has not heard about 8."
- else
- echo "However it supports 8 but not 4."
- fi
- fi
+ fi
+ $rm -f core try.core core.try.*
+ case "$fflushNULL" in
+ x) $cat >&4 <<EOM
+Your fflush(NULL) works okay.
+EOM
+ fflushNULL="$define"
+ ;;
+ '') $cat >&4 <<EOM
+Your fflush(NULL) isn't working (contrary to ANSI C).
+EOM
+ fflushNULL="$undef"
+ ;;
+ *) $cat >&4 <<EOM
+Cannot figure out whether your fflush(NULL) works or not.
+I'm assuming it doesn't (contrary to ANSI C).
+EOM
+ fflushNULL="$undef"
+ ;;
+ esac
+ ;;
+$define|true|[yY]*)
+ fflushNULL="$define"
+ ;;
+*)
+ fflushNULL="$undef"
+ ;;
+esac
+: check explicit looping only if NULL did not work
+case "$fflushNULL" in
+"$undef")
+ : check for fflush all behaviour
+ case "$fflushall" in
+ '') set try -DTRY_FFLUSH_ALL $output
+ if eval $compile; then
+ $cat >&4 <<EOM
+(Now testing the other method--but note that also this may fail.)
+EOM
+ $rm -f try.out
+ ./try$exe_ext 2>/dev/null
+ if $test -s try.out -a "X$?" = X42; then
+ fflushall="`$cat try.out`"
fi
- else
- echo "There is no support at all for void."
- voidflags=0
fi
- fi
+ $rm -f core try.core core.try.*
+ case "$fflushall" in
+ x) $cat >&4 <<EOM
+Whew. Flushing explicitly all the stdio streams works.
+EOM
+ fflushall="$define"
+ ;;
+ '') $cat >&4 <<EOM
+Sigh. Flushing explicitly all the stdio streams doesn't work.
+EOM
+ fflushall="$undef"
+ ;;
+ *) $cat >&4 <<EOM
+Cannot figure out whether flushing stdio streams explicitly works or not.
+I'm assuming it doesn't.
+EOM
+ fflushall="$undef"
+ ;;
+ esac
+ ;;
+ "$define"|true|[yY]*)
+ fflushall="$define"
+ ;;
+ *)
+ fflushall="$undef"
+ ;;
+ esac
+ ;;
+*) fflushall="$undef"
+ ;;
esac
-case "$voidflags" in
-"$defvoidused") ;;
-*) $cat >&4 <<'EOM'
- Support flag bits are:
- 1: basic void declarations.
- 2: arrays of pointers to functions returning void.
- 4: operations between pointers to and addresses of void functions.
- 8: generic void pointers.
+case "$fflushNULL$fflushall" in
+undefundef)
+ $cat <<EOM
+I cannot figure out how to flush pending stdio output.
EOM
- dflt="$voidflags";
- rp="Your void support flags add up to what?"
- . ./myread
- voidflags="$ans"
;;
esac
-$rm -f try.* .out
+$rm -f try.* try$exe_ext
+
+: Store the full pathname to the ar program for use in the C program
+: Respect a hint or command line value for full_ar.
+case "$full_ar" in
+'') full_ar=$ar ;;
+esac
+: Store the full pathname to the sed program for use in the C program
+full_sed=$sed
-: How can we generate normalized random numbers ?
+: see what type gids are declared as in the kernel
echo " "
-echo "Looking for a random number function..." >&4
-case "$randfunc" in
-'')
- if set drand48 val -f; eval $csym; $val; then
- dflt="drand48"
- echo "Good, found drand48()." >&4
- elif set random val -f; eval $csym; $val; then
- dflt="random"
- echo "OK, found random()." >&4
- else
- dflt="rand"
- echo "Yick, looks like I have to use rand()." >&4
- fi
- echo " "
- ;;
-*)
- dflt="$randfunc"
+echo "Looking for the type for group ids returned by getgid()."
+set gid_t gidtype xxx stdio.h sys/types.h
+eval $typedef
+case "$gidtype" in
+xxx)
+ xxx=`./findhdr sys/user.h`
+ set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
+ case $1 in
+ unsigned) dflt="$1 $2" ;;
+ *) dflt="$1" ;;
+ esac
;;
+*) dflt="$gidtype";;
esac
-cont=true
-
-case "$ccflags" in
-*-Dmy_rand=*|*-Dmy_srand=*)
- echo "Removing obsolete -Dmy_rand, -Dmy_srand, and -Drandbits from ccflags." >&4
- ccflags="`echo $ccflags | sed -e 's/-Dmy_rand=random/ /'`"
- ccflags="`echo $ccflags | sed -e 's/-Dmy_srand=srandom/ /'`"
- ccflags="`echo $ccflags | sed -e 's/-Drandbits=[0-9][0-9]*/ /'`"
+case "$gidtype" in
+gid_t) echo "gid_t found." ;;
+*) rp="What is the type for group ids returned by getgid()?"
+ . ./myread
+ gidtype="$ans"
;;
esac
-while $test "$cont"; do
- rp="Use which function to generate random numbers?"
- . ./myread
- if $test "$ans" = "$dflt"; then
- : null
- else
- randbits=''
- fi
- randfunc="$ans"
- if set $ans val -f; eval $csym; $val; then
- cont=''
- else
- dflt=y
- rp="I cannot find function $ans. Use that name anyway?"
- . ./myread
- dflt=rand
- case "$ans" in
- [yY]*) cont='';;
- esac
- fi
- case "$cont" in
- '')
- case "$randfunc" in
- drand48)
- drand01="drand48()"
- seedfunc="srand48"
- randbits=48
- randseedtype=long
- ;;
- rand|random)
- case "$randbits" in
- '')
-echo "Checking to see how many bits your $randfunc() function produces..." >&4
- $cat >try.c <<EOCP
-#$i_unistd I_UNISTD
-#$i_stdlib I_STDLIB
+echo " "
+case "$gidtype" in
+*_t) zzz="$gidtype" ;;
+*) zzz="gid" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
#include <stdio.h>
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-#ifdef I_STDLIB
-# include <stdlib.h>
-#endif
-int main()
-{
- register int i;
- register unsigned long tmp;
- register unsigned long max = 0L;
+int main() {
+ printf("%d\n", (int)sizeof($gidtype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') gidsize=4
+ echo "(I can't execute the test program--guessing $gidsize.)" >&4
+ ;;
+ *) gidsize=$yyy
+ echo "Your $zzz size is $gidsize bytes."
+ ;;
+ esac
+else
+ gidsize=4
+ echo "(I can't compile the test program--guessing $gidsize.)" >&4
+fi
- for (i = 1000; i; i--) {
- tmp = (unsigned long) $randfunc();
- if (tmp > max) max = tmp;
- }
- for (i = 0; max; i++)
- max /= 2;
- printf("%d\n",i);
+
+echo " "
+case "$gidtype" in
+*_t) zzz="$gidtype" ;;
+*) zzz="gid" ;;
+esac
+echo "Checking the sign of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $gidtype foo = -1;
+ if (foo < 0)
+ printf("-1\n");
+ else
+ printf("1\n");
}
EOCP
- set try
- if eval $compile_ok; then
- dflt=`try`
- else
- dflt='?'
- echo "(I can't seem to compile the test program...)"
- fi
- ;;
- *)
- dflt="$randbits"
- ;;
- esac
- rp="How many bits does your $randfunc() function produce?"
- . ./myread
- randbits="$ans"
- $rm -f try.c try
- drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
- seedfunc="s$randfunc"
- randseedtype=unsigned
- ;;
- *)
- dflt="31"
- rp="How many bits does your $randfunc() function produce?"
- . ./myread
- randbits="$ans"
- seedfunc="s$randfunc"
- drand01="($randfunc() / (double) ((unsigned long)1 << $randbits))"
- if set $seedfunc val -f; eval $csym; $val; then
- echo "(Using $seedfunc() to seed random generator)"
- else
- echo "(Warning: no $seedfunc() to seed random generator)"
- seedfunc=rand
- fi
- randseedtype=unsigned
- ;;
+set try
+if eval $compile; then
+ yyy=`./try`
+ case "$yyy" in
+ '') gidsign=1
+ echo "(I can't execute the test program--guessing unsigned.)" >&4
+ ;;
+ *) gidsign=$yyy
+ case "$gidsign" in
+ 1) echo "Your $zzz is unsigned." ;;
+ -1) echo "Your $zzz is signed." ;;
esac
;;
esac
-done
+else
+ gidsign=1
+ echo "(I can't compile the test program--guessing unsigned.)" >&4
+fi
+
+: check for length of character
echo " "
-echo "Determining whether or not we are on an EBCDIC system..." >&4
-$cat >tebcdic.c <<'EOM'
+case "$charsize" in
+'')
+ echo "Checking to see how big your characters are (hey, you never know)..." >&4
+ $cat >try.c <<'EOCP'
+#include <stdio.h>
int main()
{
- if ('M'==0xd4) return 0;
- return 1;
+ printf("%d\n", (int)sizeof(char));
+ exit(0);
}
-EOM
-
-val=$undef
-set tebcdic
-if eval $compile_ok; then
- if ./tebcdic; then
- echo "You have EBCDIC." >&4
- val="$define"
+EOCP
+ set try
+ if eval $compile_ok; then
+ dflt=`./try`
else
- echo "Nope, no EBCDIC. Assuming ASCII or some ISO Latin, or UTF." >&4
+ dflt='1'
+ echo "(I can't seem to compile the test program. Guessing...)"
fi
-else
- echo "I'm unable to compile the test program." >&4
- echo "I'll assume ASCII or some ISO Latin." >&4
-fi
-$rm -f tebcdic.c tebcdic
-set ebcdic
-eval $setvar
+ ;;
+*)
+ dflt="$charsize"
+ ;;
+esac
+rp="What is the size of a character (in bytes)?"
+. ./myread
+charsize="$ans"
+$rm -f try.c try
+
echo " "
-$cat >&4 <<EOM
-Checking how to flush all pending stdio output...
-EOM
-# I only know how to find the first 32 possibly open files on SunOS.
-# See also hints/sunos_4_1.sh and util.c --AD
-case "$osname" in
-sunos) $echo '#define PERL_FFLUSH_ALL_FOPEN_MAX 32' > try.c ;;
+$echo "Choosing the C types to be used for Perl's internal types..." >&4
+
+case "$use64bits:$d_quad:$quadtype" in
+define:define:?*)
+ ivtype="$quadtype"
+ uvtype="$uquadtype"
+ ivsize=8
+ uvsize=8
+ ;;
+*) ivtype="long"
+ uvtype="unsigned long"
+ ivsize=$longsize
+ uvsize=$longsize
+ ;;
esac
-$cat >>try.c <<EOCP
-#include <stdio.h>
-#$i_unistd I_UNISTD
-#ifdef I_UNISTD
-# include <unistd.h>
-#endif
-#$d_sysconf HAS_SYSCONF
-#$d_stdio_stream_array HAS_STDIO_STREAM_ARRAY
-#ifdef HAS_STDIO_STREAM_ARRAY
-# define STDIO_STREAM_ARRAY $stdio_stream_array
+
+case "$uselongdouble:$d_longdbl" in
+define:define)
+ nvtype="long double"
+ nvsize=$longdblsize
+ ;;
+*) nvtype=double
+ nvsize=$doublesize
+ ;;
+esac
+
+echo "(IV will be "$ivtype", $ivsize bytes)"
+echo "(UV will be "$uvtype", $uvsize bytes)"
+echo "(NV will be "$nvtype", $nvsize bytes)"
+
+$cat >try.c <<EOCP
+#$i_inttypes I_INTTYPES
+#ifdef I_INTTYPES
+#include <inttypes.h>
#endif
+#include <stdio.h>
int main() {
- FILE* p = fopen("try.out", "w");
-#ifdef TRY_FPUTC
- fputc('x', p);
-#else
-# ifdef TRY_FPRINTF
- fprintf(p, "x");
-# endif
+#ifdef INT8
+ int8_t i = INT8_MAX;
+ uint8_t u = UINT8_MAX;
+ printf("int8_t\n");
#endif
-#ifdef TRY_FFLUSH_NULL
- fflush(NULL);
+#ifdef INT16
+ int16_t i = INT16_MAX;
+ uint16_t i = UINT16_MAX;
+ printf("int16_t\n");
#endif
-#ifdef TRY_FFLUSH_ALL
- {
- long open_max = -1;
-# ifdef PERL_FFLUSH_ALL_FOPEN_MAX
- open_max = PERL_FFLUSH_ALL_FOPEN_MAX;
-# else
-# if defined(HAS_SYSCONF) && defined(_SC_OPEN_MAX)
- open_max = sysconf(_SC_OPEN_MAX);
-# else
-# ifdef FOPEN_MAX
- open_max = FOPEN_MAX;
-# else
-# ifdef OPEN_MAX
- open_max = OPEN_MAX;
-# else
-# ifdef _NFILE
- open_max = _NFILE;
-# endif
-# endif
-# endif
-# endif
-# endif
-# ifdef HAS_STDIO_STREAM_ARRAY
- if (open_max > 0) {
- long i;
- for (i = 0; i < open_max; i++)
- if (STDIO_STREAM_ARRAY[i]._file >= 0 &&
- STDIO_STREAM_ARRAY[i]._file < open_max &&
- STDIO_STREAM_ARRAY[i]._flag)
- fflush(&STDIO_STREAM_ARRAY[i]);
- }
- }
-# endif
+#ifdef INT32
+ int32_t i = INT32_MAX;
+ uint32_t u = UINT32_MAX;
+ printf("int32_t\n");
#endif
- _exit(42);
}
EOCP
-: first we have to find out how _not_ to flush
-if $test "X$fflushNULL" = X -o "X$fflushall" = X; then
- output=''
- set try -DTRY_FPUTC
- if eval $compile; then
- $rm -f try.out
- ./try$exe_ext 2>/dev/null
- if $test ! -s try.out -a "X$?" = X42; then
- output=-DTRY_FPUTC
- fi
- fi
- case "$output" in
- '')
- set try -DTRY_FPRINTF
- $rm -f try.out
- if eval $compile; then
- $rm -f try.out
- ./try$exe_ext 2>/dev/null
- if $test ! -s try.out -a "X$?" = X42; then
- output=-DTRY_FPRINTF
- fi
- fi
+
+case "$i8type" in
+'') case "$charsize" in
+ 1) i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ ;;
+ esac
;;
- esac
-fi
-: check for fflush NULL behaviour
-case "$fflushNULL" in
-'') set try -DTRY_FFLUSH_NULL $output
+esac
+case "$i8type" in
+'') set try -DINT8
if eval $compile; then
- $rm -f try.out
- ./try$exe_ext 2>/dev/null
- code="$?"
- if $test -s try.out -a "X$code" = X42; then
- fflushNULL="`$cat try.out`"
- else
- if $test "X$code" != X42; then
- $cat >&4 <<EOM
-(If this test failed, don't worry, we'll try another method shortly.)
-EOM
- fi
- fi
+ case "`./try$exe_ext`" in
+ int8_t) i8type=int8_t
+ u8type=uint8_t
+ i8size=1
+ u8size=1
+ ;;
+ esac
fi
- $rm -f core try.core core.try.*
- case "$fflushNULL" in
- x) $cat >&4 <<EOM
-Your fflush(NULL) works okay.
-EOM
- fflushNULL="$define"
+ ;;
+esac
+case "$i8type" in
+'') if $test $charsize -ge 1; then
+ i8type=char
+ u8type="unsigned char"
+ i8size=$charsize
+ u8size=$charsize
+ fi
+ ;;
+esac
+
+case "$i16type" in
+'') case "$shortsize" in
+ 2) i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
;;
- '') $cat >&4 <<EOM
-Your fflush(NULL) isn't working (contrary to ANSI C).
-EOM
- fflushNULL="$undef"
+ esac
+ ;;
+esac
+case "$i16type" in
+'') set try -DINT16
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int16_t)
+ i16type=int16_t
+ u16type=uint16_t
+ i16size=2
+ u16size=2
+ ;;
+ esac
+ fi
+ ;;
+esac
+case "$i16type" in
+'') if $test $shortsize -ge 2; then
+ i16type=short
+ u16type="unsigned short"
+ i16size=$shortsize
+ u16size=$shortsize
+ fi
+ ;;
+esac
+
+case "$i32type" in
+'') case "$longsize" in
+ 4) i32type=long
+ u32type="unsigned long"
+ i32size=$longsize
+ u32size=$longsize
;;
- *) $cat >&4 <<EOM
-Cannot figure out whether your fflush(NULL) works or not.
-I'm assuming it doesn't (contrary to ANSI C).
-EOM
- fflushNULL="$undef"
+ *) case "$intsize" in
+ 4) i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ ;;
+ esac
;;
esac
;;
-$define|true|[yY]*)
- fflushNULL="$define"
+esac
+case "$i32type" in
+'') set try -DINT32
+ if eval $compile; then
+ case "`./try$exe_ext`" in
+ int32_t)
+ i32type=int32_t
+ u32type=uint32_t
+ i32size=4
+ u32size=4
+ ;;
+ esac
+ fi
;;
-*)
- fflushNULL="$undef"
+esac
+case "$i32type" in
+'') if $test $intsize -ge 4; then
+ i32type=int
+ u32type="unsigned int"
+ i32size=$intsize
+ u32size=$intsize
+ fi
;;
esac
-: check explicit looping only if NULL did not work
-case "$fflushNULL" in
-"$undef")
- : check for fflush all behaviour
- case "$fflushall" in
- '') set try -DTRY_FFLUSH_ALL $output
- if eval $compile; then
- $cat >&4 <<EOM
-(Now testing the other method--but note that also this may fail.)
-EOM
- $rm -f try.out
- ./try$exe_ext 2>/dev/null
- if $test -s try.out -a "X$?" = X42; then
- fflushall="`$cat try.out`"
- fi
- fi
- $rm -f core try.core core.try.*
- case "$fflushall" in
- x) $cat >&4 <<EOM
-Whew. Flushing explicitly all the stdio streams works.
-EOM
- fflushall="$define"
+
+case "$i64type" in
+'') case "$d_quad:$quadtype" in
+ define:?*)
+ i64type="$quadtype"
+ u64type="$uquadtype"
+ i64size=8
+ u64size=8
+ ;;
+ esac
+ ;;
+esac
+
+$rm -f try.* try
+
+echo " "
+
+if $test X"$quadtype" != X; then
+
+echo "Checking how to print 64-bit integers..." >&4
+
+if $test X"$sPRId64" = X -a X"$quadtype" = Xint; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ int q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"d"'; sPRIi64='"i"'; sPRIu64='"u"';
+ sPRIo64='"o"'; sPRIx64='"x"'; sPRIX64='"X"';
+ echo "We will use %d."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" = Xlong; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long q = 12345678901;
+ printf("%ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"ld"'; sPRIi64='"li"'; sPRIu64='"lu"';
+ sPRIo64='"lo"'; sPRIx64='"lx"'; sPRIX64='"lX"';
+ echo "We will use %ld."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$i_inttypes.h" = X"$define" -a X"$quadtype" = Xint64_t; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <inttypes.h>
+#include <stdio.h>
+int main() {
+ int64_t q = 12345678901;
+ printf("%" PRId64 "\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64=PRId64; sPRIi64=PRIi64; sPRIu64=PRIu64;
+ sPRIo64=PRIo64; sPRIx64=PRIx64; sPRIX64=PRIX64;
+ echo "We will use the C9X style."
;;
- '') $cat >&4 <<EOM
-Sigh. Flushing explicitly all the stdio streams doesn't work.
-EOM
- fflushall="$undef"
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" = X"long long"; then
+ $cat >try.c <<'EOCP'
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ long long q = 12345678901LL; /* AIX cc requires the LL prefix. */
+ printf("%lld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"lld"'; sPRIi64='"lli"'; sPRIu64='"llu"';
+ sPRIo64='"llo"'; sPRIx64='"llx"'; sPRIX64='"llX"';
+ echo "We will use the %lld style."
;;
- *) $cat >&4 <<EOM
-Cannot figure out whether flushing stdio streams explicitly works or not.
-I'm assuming it doesn't.
-EOM
- fflushall="$undef"
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" != X; then
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $quadtype q = 12345678901;
+ printf("%Ld\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"Ld"'; sPRIi64='"Li"'; sPRIu64='"Lu"';
+ sPRIo64='"Lo"'; sPRIx64='"Lx"'; sPRIX64='"LX"';
+ echo "We will use %Ld."
;;
esac
- ;;
- "$define"|true|[yY]*)
- fflushall="$define"
- ;;
- *)
- fflushall="$undef"
- ;;
- esac
- ;;
-*) fflushall="$undef"
+ fi
+fi
+
+if $test X"$sPRId64" = X -a X"$quadtype" != X; then
+ $cat >try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $quadtype q = 12345678901;
+ printf("%qd\n", q);
+}
+EOCP
+ set try
+ if eval $compile; then
+ yyy=`./try$exe_ext`
+ case "$yyy" in
+ 12345678901)
+ sPRId64='"qd"'; sPRIi64='"qi"'; sPRIu64='"qu"';
+ sPRIo64='"qo"'; sPRIx64='"qx"'; sPRIX64='"qX"';
+ echo "We will use %qd."
+ ;;
+ esac
+ fi
+fi
+
+if $test X"$sPRId64" = X; then
+ echo "Cannot figure out how to print 64-bit integers." >&4
+fi
+
+$rm -f try try.*
+
+fi
+
+case "$sPRId64" in
+'') d_PRId64="$undef"; d_PRIi64="$undef"; d_PRIu64="$undef";
+ d_PRIo64="$undef"; d_PRIx64="$undef"; d_PRIX64="$undef";
;;
-esac
-case "$fflushNULL$fflushall" in
-undefundef)
- $cat <<EOM
-I cannot figure out how to flush pending stdio output.
-EOM
+*) d_PRId64="$define"; d_PRIi64="$define"; d_PRIu64="$define";
+ d_PRIo64="$define"; d_PRIx64="$define"; d_PRIX64="$define";
;;
esac
-$rm -f try.* try$exe_ext
-: see what type file positions are declared as in the library
-rp="What is the type for file position used by fsetpos()?"
-set fpos_t fpostype long stdio.h sys/types.h
-eval $typedef_ask
-: Store the full pathname to the ar program for use in the C program
-: Respect a hint or command line value for full_ar.
-case "$full_ar" in
-'') full_ar=$ar ;;
+echo " "
+$echo "Checking the format strings to be used for Perl's internal types..." >&4
+
+if $test X"$ivsize" = X8; then
+ ivdformat="$sPRId64"
+ uvuformat="$sPRIu64"
+ uvoformat="$sPRIo64"
+ uvxformat="$sPRIx64"
+else
+ if $test X"$ivsize" = X"$longsize"; then
+ ivdformat='"ld"'
+ uvuformat='"lu"'
+ uvoformat='"lo"'
+ uvxformat='"lx"'
+ else
+ if $test X"$ivsize" = X"$intsize"; then
+ ivdformat='"d"'
+ uvuformat='"u"'
+ uvoformat='"o"'
+ uvxformat='"x"'
+ else
+ : far out
+ if $test X"$ivsize" = X"$shortsize"; then
+ ivdformat='"hd"'
+ uvuformat='"hu"'
+ uvoformat='"ho"'
+ uvxformat='"hx"'
+ fi
+ fi
+ fi
+fi
+
+case "$ivdformat" in
+'') echo "$0: Fatal: failed to find format strings, cannot continue." >& 4
+ exit 1
+ ;;
esac
-: Store the full pathname to the sed program for use in the C program
-full_sed=$sed
-: see what type gids are declared as in the kernel
echo " "
-echo "Looking for the type for group ids returned by getgid()."
-set gid_t gidtype xxx stdio.h sys/types.h
-eval $typedef
-case "$gidtype" in
-xxx)
- xxx=`./findhdr sys/user.h`
- set `grep 'groups\[NGROUPS\];' "$xxx" 2>/dev/null` unsigned short
- case $1 in
- unsigned) dflt="$1 $2" ;;
- *) dflt="$1" ;;
- esac
+$echo "Checking the format string to be used for gids..." >&4
+
+case "$gidsign" in
+-1) if $test X"$gidsize" = X"$ivsize"; then
+ gidformat="$ivdformat"
+ else
+ if $test X"$gidsize" = X"$longsize"; then
+ gidformat='"ld"'
+ else
+ if $test X"$gidsize" = X"$intsize"; then
+ gidformat='"d"'
+ else
+ if $test X"$gidsize" = X"$shortsize"; then
+ gidformat='"hd"'
+ fi
+ fi
+ fi
+ fi
;;
-*) dflt="$gidtype";;
-esac
-case "$gidtype" in
-gid_t) echo "gid_t found." ;;
-*) rp="What is the type for group ids returned by getgid()?"
- . ./myread
- gidtype="$ans"
+*) if $test X"$gidsize" = X"$uvsize"; then
+ gidformat="$uvuformat"
+ else
+ if $test X"$gidsize" = X"$longsize"; then
+ gidformat='"lu"'
+ else
+ if $test X"$gidsize" = X"$intsize"; then
+ gidformat='"u"'
+ else
+ if $test X"$gidsize" = X"$shortsize"; then
+ gidformat='"hu"'
+ fi
+ fi
+ fi
+ fi
;;
esac
*) groupstype="$gidtype";;
esac
-: see what type lseek is declared as in the kernel
-rp="What is the type used for lseek's offset on this system?"
-set off_t lseektype long stdio.h sys/types.h
-eval $typedef_ask
-
-echo " "
-$echo $n "Checking to see how big your file offsets are...$c" >&4
-$cat >try.c <<EOCP
-#include <sys/types.h>
-#include <stdio.h>
-int main()
-{
- printf("%d\n", sizeof($lseektype));
-}
-EOCP
-set try
-if eval $compile_ok; then
- lseeksize=`./try`
- $echo " $lseeksize bytes." >&4
-else
- dflt='4'
- echo " "
- echo "(I can't seem to compile the test program. Guessing...)"
- rp="What is the size of your file offsets (in bytes)?"
- . ./myread
- lseeksize="$ans"
-fi
-$rm -f try.c try
-
echo " "
echo "Checking if your $make program sets \$(MAKE)..." >&4
case "$make_set_make" in
#include <stdio.h>
int main()
{
- printf("%d\n", sizeof(VOID_PTR));
- exit(0);
+ printf("%d\n", (int)sizeof(VOID_PTR));
+ exit(0);
}
EOCP
set try
: Remove SIGSTKSIZE used by Linux.
: Remove SIGSTKSZ used by Posix.
: Remove SIGTYP void lines used by OS2.
-xxx=`echo '#include <signal.h>' |
+: Some cpps, like os390, dont give the file name anywhere
+if [ "X$fieldn" = X ]; then
+ : Just make some guesses. We check them later.
+ xxx='/usr/include/signal.h /usr/include/sys/signal.h'
+else
+ xxx=`echo '#include <signal.h>' |
$cppstdin $cppminus $cppflags 2>/dev/null |
$grep '^[ ]*#.*include' |
$awk "{print \\$$fieldn}" | $sed 's!"!!g' | $sort | $uniq`
+fi
: Check this list of files to be sure we have parsed the cpp output ok.
: This will also avoid potentially non-existent files, such
: as ../foo/bar.h
print substr($3, 4, 20)
}' $xxxfiles`
: Append some common names just in case the awk scan failed.
-xxx="$xxx ABRT ALRM BUS CHLD CLD CONT DIL EMT FPE HUP ILL INT IO IOT KILL"
-xxx="$xxx LOST PHONE PIPE POLL PROF PWR QUIT SEGV STKFLT STOP SYS TERM TRAP"
-xxx="$xxx TSTP TTIN TTOU URG USR1 USR2 USR3 USR4 VTALRM"
-xxx="$xxx WINCH WIND WINDOW XCPU XFSZ"
+xxx="$xxx ABRT ALRM BUS CANCEL CHLD CLD CONT DIL EMT FPE"
+xxx="$xxx FREEZE HUP ILL INT IO IOT KILL LOST LWP PHONE"
+xxx="$xxx PIPE POLL PROF PWR QUIT RTMAX RTMIN SEGV STKFLT STOP"
+xxx="$xxx SYS TERM THAW TRAP TSTP TTIN TTOU URG USR1 USR2"
+xxx="$xxx USR3 USR4 VTALRM WAITING WINCH WIND WINDOW XCPU XFSZ"
+
: generate a few handy files for later
$cat > signal.c <<'EOCP'
#include <sys/types.h>
}
END {
printf "#endif /* JUST_NSIG */\n";
- printf "}\n";
+ printf "exit(0);\n}\n";
}
' >>signal.c
$cat >signal.awk <<'EOP'
;;
esac
+echo " "
+case "$uidtype" in
+*_t) zzz="$uidtype" ;;
+*) zzz="uid" ;;
+esac
+echo "Checking the size of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ printf("%d\n", (int)sizeof($uidtype));
+ exit(0);
+}
+EOCP
+set try
+if eval $compile_ok; then
+ yyy=`./try`
+ case "$yyy" in
+ '') uidsize=4
+ echo "(I can't execute the test program--guessing $uidsize.)" >&4
+ ;;
+ *) uidsize=$yyy
+ echo "Your $zzz size is $uidsize bytes."
+ ;;
+ esac
+else
+ uidsize=4
+ echo "(I can't compile the test program--guessing $uidsize.)" >&4
+fi
+
+echo " "
+case "$uidtype" in
+*_t) zzz="$uidtype" ;;
+*) zzz="uid" ;;
+esac
+echo "Checking the sign of $zzz..." >&4
+cat > try.c <<EOCP
+#include <sys/types.h>
+#include <stdio.h>
+int main() {
+ $uidtype foo = -1;
+ if (foo < 0)
+ printf("-1\n");
+ else
+ printf("1\n");
+}
+EOCP
+set try
+if eval $compile; then
+ yyy=`./try`
+ case "$yyy" in
+ '') uidsign=1
+ echo "(I can't execute the test program--guessing unsigned.)" >&4
+ ;;
+ *) uidsign=$yyy
+ case "$uidsign" in
+ 1) echo "Your $zzz is unsigned." ;;
+ -1) echo "Your $zzz is signed." ;;
+ esac
+ ;;
+ esac
+else
+ uidsign=1
+ echo "(I can't compile the test program--guessing unsigned.)" >&4
+fi
+
+
+
+echo " "
+$echo "Checking the format string to be used for uids..." >&4
+
+case "$uidsign" in
+-1) if $test X"$uidsize" = X"$ivsize"; then
+ uidformat="$ivdformat"
+ else
+ if $test X"$uidsize" = X"$longsize"; then
+ uidformat='"ld"'
+ else
+ if $test X"$uidsize" = X"$intsize"; then
+ uidformat='"d"'
+ else
+ if $test X"$uidsize" = X"$shortsize"; then
+ uidformat='"hd"'
+ fi
+ fi
+ fi
+ fi
+ ;;
+*) if $test X"$uidsize" = X"$uvsize"; then
+ uidformat="$uvuformat"
+ else
+ if $test X"$uidsize" = X"$longsize"; then
+ uidformat='"lu"'
+ else
+ if $test X"$uidsize" = X"$intsize"; then
+ uidformat='"u"'
+ else
+ if $test X"$uidsize" = X"$shortsize"; then
+ uidformat='"hu"'
+ fi
+ fi
+ fi
+ fi
+ ;;
+esac
+
: see if dbm.h is available
: see if dbmclose exists
set dbmclose d_dbmclose
set sys/statvfs.h i_sysstatvfs
eval $inhdr
+: see if this is a sys/uio.h system
+set sys/uio.h i_sysuio
+eval $inhdr
+
: see if this is a sys/un.h system
set sys/un.h i_sysun
eval $inhdr
set sys/wait.h i_syswait
eval $inhdr
+: see if this is a ustat.h system
+set ustat.h i_ustat
+eval $inhdr
+
: see if this is an utime system
set utime.h i_utime
eval $inhdr
alignbytes='$alignbytes'
ansi2knr='$ansi2knr'
aphostname='$aphostname'
-apiversion='$apiversion'
+api_revision='$api_revision'
+api_subversion='$api_subversion'
+api_version='$api_version'
+api_versionstring='$api_versionstring'
ar='$ar'
archlib='$archlib'
archlibexp='$archlibexp'
cf_by='$cf_by'
cf_email='$cf_email'
cf_time='$cf_time'
+charsize='$charsize'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
d_chroot='$d_chroot'
d_chsize='$d_chsize'
d_closedir='$d_closedir'
-d_cmsghdr_s='$d_cmsghdr_s'
d_const='$d_const'
d_crypt='$d_crypt'
d_csh='$d_csh'
d_fork='$d_fork'
d_fpathconf='$d_fpathconf'
d_fpos64_t='$d_fpos64_t'
+d_fs_data_s='$d_fs_data_s'
d_fseeko='$d_fseeko'
d_fsetpos='$d_fsetpos'
d_fstatfs='$d_fstatfs'
d_gethname='$d_gethname'
d_gethostprotos='$d_gethostprotos'
d_getlogin='$d_getlogin'
+d_getmnt='$d_getmnt'
d_getmntent='$d_getmntent'
d_getnbyaddr='$d_getnbyaddr'
d_getnbyname='$d_getnbyname'
d_index='$d_index'
d_inetaton='$d_inetaton'
d_int64t='$d_int64t'
-d_iovec_s='$d_iovec_s'
d_isascii='$d_isascii'
d_killpg='$d_killpg'
d_lchown='$d_lchown'
d_ldbl_dig='$d_ldbl_dig'
d_link='$d_link'
-d_llseek='$d_llseek'
d_locconv='$d_locconv'
d_lockf='$d_lockf'
d_longdbl='$d_longdbl'
d_longlong='$d_longlong'
d_lstat='$d_lstat'
-d_madvise='$d_madvise'
d_mblen='$d_mblen'
d_mbstowcs='$d_mbstowcs'
d_mbtowc='$d_mbtowc'
d_mkdir='$d_mkdir'
d_mkfifo='$d_mkfifo'
d_mktime='$d_mktime'
-d_mmap='$d_mmap'
-d_mprotect='$d_mprotect'
d_msg='$d_msg'
d_msg_ctrunc='$d_msg_ctrunc'
d_msg_dontroute='$d_msg_dontroute'
d_msg_proxy='$d_msg_proxy'
d_msgctl='$d_msgctl'
d_msgget='$d_msgget'
-d_msghdr_s='$d_msghdr_s'
d_msgrcv='$d_msgrcv'
d_msgsnd='$d_msgsnd'
-d_msync='$d_msync'
-d_munmap='$d_munmap'
d_mymalloc='$d_mymalloc'
d_nice='$d_nice'
d_off64_t='$d_off64_t'
d_pwgecos='$d_pwgecos'
d_pwpasswd='$d_pwpasswd'
d_pwquota='$d_pwquota'
+d_qgcvt='$d_qgcvt'
+d_quad='$d_quad'
d_readdir='$d_readdir'
d_readlink='$d_readlink'
-d_readv='$d_readv'
-d_recvmsg='$d_recvmsg'
d_rename='$d_rename'
d_rewinddir='$d_rewinddir'
d_rmdir='$d_rmdir'
d_semctl_semun='$d_semctl_semun'
d_semget='$d_semget'
d_semop='$d_semop'
-d_sendmsg='$d_sendmsg'
d_setegid='$d_setegid'
d_seteuid='$d_seteuid'
d_setgrent='$d_setgrent'
d_sigsetjmp='$d_sigsetjmp'
d_socket='$d_socket'
d_sockpair='$d_sockpair'
+d_sqrtl='$d_sqrtl'
d_statblks='$d_statblks'
-d_statfs='$d_statfs'
-d_statfsflags='$d_statfsflags'
+d_statfs_f_flags='$d_statfs_f_flags'
+d_statfs_s='$d_statfs_s'
d_statvfs='$d_statvfs'
d_stdio_cnt_lval='$d_stdio_cnt_lval'
d_stdio_ptr_lval='$d_stdio_ptr_lval'
d_strerror='$d_strerror'
d_strtod='$d_strtod'
d_strtol='$d_strtol'
+d_strtold='$d_strtold'
d_strtoul='$d_strtoul'
d_strtoull='$d_strtoull'
+d_strtouq='$d_strtouq'
d_strxfrm='$d_strxfrm'
d_suidsafe='$d_suidsafe'
d_symlink='$d_symlink'
d_umask='$d_umask'
d_uname='$d_uname'
d_union_semun='$d_union_semun'
+d_ustat='$d_ustat'
+d_vendorbin='$d_vendorbin'
d_vendorlib='$d_vendorlib'
d_vfork='$d_vfork'
d_void_closedir='$d_void_closedir'
d_waitpid='$d_waitpid'
d_wcstombs='$d_wcstombs'
d_wctomb='$d_wctomb'
-d_writev='$d_writev'
d_xenix='$d_xenix'
date='$date'
db_hashtype='$db_hashtype'
find='$find'
firstmakefile='$firstmakefile'
flex='$flex'
+fpossize='$fpossize'
fpostype='$fpostype'
freetype='$freetype'
full_ar='$full_ar'
full_csh='$full_csh'
full_sed='$full_sed'
gccversion='$gccversion'
+gidformat='$gidformat'
+gidsign='$gidsign'
+gidsize='$gidsize'
gidtype='$gidtype'
glibpth='$glibpth'
grep='$grep'
hint='$hint'
hostcat='$hostcat'
huge='$huge'
+i16size='$i16size'
+i16type='$i16type'
+i32size='$i32size'
+i32type='$i32type'
+i64size='$i64size'
+i64type='$i64type'
+i8size='$i8size'
+i8type='$i8type'
i_arpainet='$i_arpainet'
i_bsdioctl='$i_bsdioctl'
i_db='$i_db'
i_sysfilio='$i_sysfilio'
i_sysin='$i_sysin'
i_sysioctl='$i_sysioctl'
-i_sysmman='$i_sysmman'
i_sysmount='$i_sysmount'
i_sysndir='$i_sysndir'
i_sysparam='$i_sysparam'
i_sysselct='$i_sysselct'
i_syssockio='$i_syssockio'
i_sysstat='$i_sysstat'
+i_sysstatfs='$i_sysstatfs'
i_sysstatvfs='$i_sysstatvfs'
i_systime='$i_systime'
i_systimek='$i_systimek'
i_systypes='$i_systypes'
i_sysuio='$i_sysuio'
i_sysun='$i_sysun'
+i_sysvfs='$i_sysvfs'
i_syswait='$i_syswait'
i_termio='$i_termio'
i_termios='$i_termios'
i_time='$i_time'
i_unistd='$i_unistd'
+i_ustat='$i_ustat'
i_utime='$i_utime'
i_values='$i_values'
i_varargs='$i_varargs'
i_varhdr='$i_varhdr'
i_vfork='$i_vfork'
ignore_versioned_solibs='$ignore_versioned_solibs'
+inc_version_list='$inc_version_list'
incpath='$incpath'
inews='$inews'
installarchlib='$installarchlib'
installprivlib='$installprivlib'
installscript='$installscript'
installsitearch='$installsitearch'
+installsitebin='$installsitebin'
installsitelib='$installsitelib'
installstyle='$installstyle'
installusrbinperl='$installusrbinperl'
+installvendorbin='$installvendorbin'
installvendorlib='$installvendorlib'
intsize='$intsize'
+ivdformat='$ivdformat'
+ivsize='$ivsize'
+ivtype='$ivtype'
known_extensions='$known_extensions'
ksh='$ksh'
large='$large'
man3direxp='$man3direxp'
man3ext='$man3ext'
medium='$medium'
-mips='$mips'
mips_type='$mips_type'
mkdir='$mkdir'
-mmaptype='$mmaptype'
models='$models'
modetype='$modetype'
more='$more'
nm_so_opt='$nm_so_opt'
nonxs_ext='$nonxs_ext'
nroff='$nroff'
+nvsize='$nvsize'
+nvtype='$nvtype'
o_nonblock='$o_nonblock'
obj_ext='$obj_ext'
old_pthread_create_joinable='$old_pthread_create_joinable'
privlibexp='$privlibexp'
prototype='$prototype'
ptrsize='$ptrsize'
+quadkind='$quadkind'
+quadtype='$quadtype'
randbits='$randbits'
randfunc='$randfunc'
randseedtype='$randseedtype'
signal_t='$signal_t'
sitearch='$sitearch'
sitearchexp='$sitearchexp'
+sitebin='$sitebin'
+sitebinexp='$sitebinexp'
sitelib='$sitelib'
sitelibexp='$sitelibexp'
siteprefix='$siteprefix'
tr='$tr'
trnl='$trnl'
troff='$troff'
+u16size='$u16size'
+u16type='$u16type'
+u32size='$u32size'
+u32type='$u32type'
+u64size='$u64size'
+u64type='$u64type'
+u8size='$u8size'
+u8type='$u8type'
+uidformat='$uidformat'
+uidsign='$uidsign'
+uidsize='$uidsize'
uidtype='$uidtype'
uname='$uname'
uniq='$uniq'
+uquadtype='$uquadtype'
+use5005threads='$use5005threads'
use64bits='$use64bits'
usedl='$usedl'
-uselfs='$uselfs'
+useithreads='$useithreads'
+uselargefiles='$uselargefiles'
uselongdouble='$uselongdouble'
+uselonglong='$uselonglong'
usemorebits='$usemorebits'
usemultiplicity='$usemultiplicity'
usemymalloc='$usemymalloc'
usevfork='$usevfork'
usrinc='$usrinc'
uuname='$uuname'
+uvoformat='$uvoformat'
+uvsize='$uvsize'
+uvtype='$uvtype'
+uvuformat='$uvuformat'
+uvxformat='$uvxformat'
+vendorbin='$vendorbin'
+vendorbinexp='$vendorbinexp'
vendorlib='$vendorlib'
vendorlibexp='$vendorlibexp'
vendorprefix='$vendorprefix'
https://perl5.git.perl.org / perl5.git / blobdiff