# $Id: Head.U,v 3.0.1.9 1997/02/28 15:02:09 ram Exp $
#
-# Generated on Wed Jul 18 17:42:05 CEST 2007 [metaconfig 3.0 PL70]
+# Generated on Tue Jan 1 21:34:35 CET 2008 [metaconfig 3.0 PL70]
# (with additional metaconfig patches by perlbug@perl.org)
cat >c1$$ <<EOF
esac
;;
esac
+test -x "${newsh}" || unset newsh
: if needed set CDPATH to a harmless value that is not chatty
: avoid bash 2.02 problems with empty CDPATH.
cf_email=''
cf_by=''
cf_time=''
-charsize=''
contains=''
cpp_stuff=''
cpplast=''
html3direxp=''
installhtml3dir=''
i_arpainet=''
+i_assert=''
i_crypt=''
db_hashtype=''
db_prefixtype=''
;;
esac
+# This question was auctioned at YAPC::Europe-2007 in Vienna
+# I never promised you could answer it. I only auctioned the question.
+cat <<FOO
+The following message is sponsored by
+
+ Dresden.pm<--The stars should be here.
+
+Dear Perl user, system administrator or package
+maintainer, the Perl community sends greetings to
+you. Do you (emblematical) greet back [Y/n]? n
+
+FOO
+
cat <<EOS >trygcc
$startsh
EOS
both|$define) dflt='-DDEBUGGING'
esac
+: argument order is deliberate, as the flag will start with - which set could
+: think is an option
+checkccflag='check=$1; flag=$2; callback=$3;
+echo " ";
+echo "Checking if your compiler accepts $flag" 2>&1;
+echo "int main(void) { return 0; }" > gcctest.c;
+if $cc -O2 $flag -o gcctest gcctest.c 2>gcctest.out && ./gcctest; then
+ echo "Yes, it does." 2>&1;
+ if $test -s gcctest.out ; then
+ echo "But your platform does not like it:";
+ cat gcctest.out;
+ else
+ case "$ccflags" in
+ *$check*)
+ echo "Leaving current flags $ccflags alone." 2>&1
+ ;;
+ *) dflt="$dflt $flag";
+ eval $callback
+ ;;
+ esac
+ fi
+else
+ echo "Nope, it does not, but that is ok." 2>&1;
+fi
+'
+
: We will not override a previous value, but we might want to
: augment a hint file
case "$hint" in
*-g*:old) dflt="$dflt -DDEBUGGING";;
esac
case "$gccversion" in
- 2*) if test -d /etc/conf/kconfig.d &&
+ 2*) if $test -d /etc/conf/kconfig.d &&
$contains _POSIX_VERSION $usrinc/sys/unistd.h >/dev/null 2>&1
then
# Interactive Systems (ISC) POSIX mode.
case "$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
+ ?*) set strict-aliasing -fno-strict-aliasing
+ eval $checkccflag
;;
esac
# For gcc, adding -pipe speeds up compilations for some, but apparently
# some assemblers can't read from stdin. (It also slows down compilations
# in other cases, but those are apparently rarer these days.) AD 5/2004.
case "$gccversion" in
- ?*) echo " "
- echo "Checking if your compiler accepts -pipe" 2>&1
- echo 'int main(void) { return 0; }' > gcctest.c
- if $cc -pipe -o gcctest gcctest.c; then
- echo "Yes, it does." 2>&1
- case "$ccflags" in
- *-pipe*)
- echo "Leaving current flags $ccflags alone." 2>&1
- ;;
- *) dflt="$dflt -pipe" ;;
- esac
- else
- echo "Nope, it doesn't, but that's ok." 2>&1
- fi
+ ?*) set pipe -pipe
+ eval $checkccflag
+ ;;
+ esac
+
+ # on x86_64 (at least) we require an extra library (libssp) in the
+ # link command line. This library is not named, so I infer that it is
+ # an implementation detail that may change. Hence the safest approach
+ # is to add the flag to the flags passed to the compiler at link time,
+ # as that way the compiler can do the right implementation dependant
+ # thing. (NWC)
+ case "$gccversion" in
+ ?*) set stack-protector -fstack-protector 'ldflags="$ldflags -fstack-protector"'
+ eval $checkccflag
;;
esac
;;
;;
n) echo "OK, that should do.";;
esac
-$rm_try
+$rm_try gcctest.out
: define a shorthand compile call
compile='
set nl_langinfo d_nl_langinfo
eval $inlibc
-: check for length of character
-echo " "
-case "$charsize" in
-'')
- echo "Checking to see how big your characters are (hey, you never know)..." >&4
- $cat >try.c <<EOCP
-#include <stdio.h>
-#$i_stdlib I_STDLIB
-#ifdef I_STDLIB
-#include <stdlib.h>
-#endif
-int main()
-{
- printf("%d\n", (int)sizeof(char));
- exit(0);
-}
-EOCP
- set try
- if eval $compile_ok; then
- dflt=`$run ./try`
- else
- dflt='1'
- echo "(I can't seem to compile the test program. Guessing...)"
- fi
- ;;
-*)
- dflt="$charsize"
- ;;
-esac
-rp="What is the size of a character (in bytes)?"
-. ./myread
-charsize="$ans"
-$rm_try
-
: check for volatile keyword
echo " "
echo 'Checking to see if your C compiler knows about "volatile"...' >&4
}
EOCP
-case "$i8type" in
-'') case "$charsize" in
- 1) i8type=char
- u8type="unsigned char"
- i8size=$charsize
- u8size=$charsize
- ;;
- esac
- ;;
-esac
-case "$i8type" in
-'') set try -DINT8
- if eval $compile; then
- case "`$run ./try`" in
- int8_t) i8type=int8_t
- u8type=uint8_t
- i8size=1
- u8size=1
- ;;
- esac
- fi
- ;;
-esac
-case "$i8type" in
-'') if $test $charsize -ge 1; then
- i8type=char
- u8type="unsigned char"
- i8size=$charsize
- u8size=$charsize
- fi
- ;;
-esac
+i8type="signed char"
+u8type="unsigned char"
+i8size=1
+u8size=1
case "$i16type" in
'') case "$shortsize" in
fi
$rm -f foo* bar*
-: check for type of arguments to select.
+: check for type of arguments to select.
case "$selecttype" in
'') case "$d_select" in
$define)
Checking to see what type of arguments are accepted by select().
EOM
hdrs="$define sys/types.h
- $i_systime sys/time.h
+ $i_systime sys/time.h
$i_sysselct sys/select.h
$d_socket sys/socket.h"
: The first arg can be int, unsigned, or size_t
printf "\n"
}'
sig_size=`echo $sig_name | awk '{print NF}'`
-$rm -f signal signal.c signal.awk signal.lst signal_cmd
+$rm -f signal signal.c signal.awk signal.lst signal_cmd
echo " "
case "$sizetype" in
;;
esac
+
+: see if this is a assert.h system
+set assert.h i_assert
+eval $inhdr
+
: see if this is a fp.h system
set fp.h i_fp
eval $inhdr
set X
shift
eval $find_extensions
-# Special case: Add in threads/shared since it is not picked up by the
-# recursive find above (and adding in general recursive finding breaks
-# SDBM_File/sdbm). A.D. 10/25/2001.
-known_extensions="$known_extensions threads/shared"
+# Special case: Add in modules that nest beyond the first level.
+# Currently threads/shared and Hash/Util/FieldHash, since they are
+# not picked up by the recursive find above (and adding in general
+# recursive finding breaks SDBM_File/sdbm).
+# A.D. 20011025 (SDBM), ajgough 20071008 (FieldHash)
+known_extensions="$known_extensions threads/shared Hash/Util/FieldHash"
set X $known_extensions
shift
known_extensions="$*"
cf_by='$cf_by'
cf_email='$cf_email'
cf_time='$cf_time'
-charsize='$charsize'
chgrp='$chgrp'
chmod='$chmod'
chown='$chown'
i8size='$i8size'
i8type='$i8type'
i_arpainet='$i_arpainet'
+i_assert='$i_assert'
i_bsdioctl='$i_bsdioctl'
i_crypt='$i_crypt'
i_db='$i_db'
https://perl5.git.perl.org / perl5.git / blobdiff