# Additional info from Nigel Head <nhead@ESOC.bitnet>
# and Kenneth Albanowski <kjahds@kjahds.com>
#
-# Consolidated by Andy Dougherty <doughera@lafcol.lafayette.edu>
+# Consolidated by Andy Dougherty <doughera@lafayette.edu>
#
# Updated Thu Feb 8 11:56:10 EST 1996
-# Updated Thu May 30 10:50:22 EDT 1996 by <doughera@lafcol.lafayette.edu>
+# Updated Thu May 30 10:50:22 EDT 1996 by <doughera@lafayette.edu>
# Updated Fri Jun 21 11:07:54 EDT 1996
-# NDBM support for ELF renabled by <kjahds@kjahds.com>
+# NDBM support for ELF re-enabled by <kjahds@kjahds.com>
# No version of Linux supports setuid scripts.
d_suidsafe='undef'
+# No version of Linux needs libutil for perl.
+i_libutil='undef'
+
# Debian and Red Hat, and perhaps other vendors, provide both runtime and
# development packages for some libraries. The runtime packages contain shared
# libraries with version information in their names (e.g., libgdbm.so.1.7.3);
# libgdbmg1-dev (development version of GNU libc 2-linked GDBM library)
# So make sure that for any libraries you wish to link Perl with under
# Debian or Red Hat you have the -dev packages installed.
-#
+
+# SuSE Linux can be used as cross-compilation host for Cray XT4 Catamount/Qk.
+if test -d /opt/xt-pe
+then
+ case "`cc -V 2>&1`" in
+ *catamount*) . hints/catamount.sh; return ;;
+ esac
+fi
+
# Some operating systems (e.g., Solaris 2.6) will link to a versioned shared
# library implicitly. For example, on Solaris, `ld foo.o -lgdbm' will find an
# appropriate version of libgdbm, if one is available; Linux, however, doesn't
# do the implicit mapping.
ignore_versioned_solibs='y'
-# perl goes into the /usr tree. See the Filesystem Standard
-# available via anonymous FTP at tsx-11.mit.edu in
-# /pub/linux/docs/linux-standards/fsstnd.
-# Allow a command line override, e.g. Configure -Dprefix=/foo/bar
-#
-# Addendum for 5.005_57 and beyond:
-#
-# However, most Linux users probably already have a /usr/bin/perl.
-# We can't know whether the current user is intending to *replace*
-# that /usr/bin/perl or whether the user is intending to install
-# a *different* installation.
-#
-# Here is what we used to do:
-# Allow a command line override, e.g. Configure -Dprefix=/foo/bar
-# case "$prefix" in
-# '') prefix='/usr' ;;
-# esac
-#
-# For now, let's assume that most Linux users get their /usr/bin/perl
-# from some packaging system, so that those compiling from source are
-# probably the more experimental folks and hence probably aren't
-# intending to replace /usr/bin/perl (at least just yet).
-# This change makes linux consistent with most other unix platforms
-# in having a default of prefix=/usr/local.
-# These notes can probably safely be removed in 5.005_50 and beyond.
-#
-# 9 April 1999 Andy Dougherty <doughera@lafayette.edu>
-#
-
-# BSD compatability library no longer needed
-# 'kaffe' has a /usr/lib/libnet.so which is not at all relevent for perl.
-set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /'`
+# BSD compatibility library no longer needed
+# 'kaffe' has a /usr/lib/libnet.so which is not at all relevant for perl.
+# bind causes issues with several reentrant functions
+set `echo X "$libswanted "| sed -e 's/ bsd / /' -e 's/ net / /' -e 's/ bind / /'`
shift
libswanted="$*"
+# Debian 4.0 puts ndbm in the -lgdbm_compat library.
+libswanted="$libswanted gdbm_compat"
+
# If you have glibc, then report the version for ./myconfig bug reporting.
# (Configure doesn't need to know the specific version since it just uses
# gcc to load the library for all tests.)
-# Is this sufficiently robust for libc5 systems as well as
-# glibc-2.1.x systems?
-# We don't use __GLIBC__ and __GLIBC_MINOR__ because they
+# We don't use __GLIBC__ and __GLIBC_MINOR__ because they
# are insufficiently precise to distinguish things like
# libc-2.0.6 and libc-2.0.7.
if test -L /lib/libc.so.6; then
# function in <sys/stat.h>.
d_lstat=define
-# Explanation?
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
+# The system malloc() is about as fast and as frugal as perl's.
+# Since the system malloc() has been the default since at least
+# 5.001, we might as well leave it that way. --AD 10 Jan 2002
case "$usemymalloc" in
'') usemymalloc='n' ;;
esac
+# Check if we're about to use Intel's ICC compiler
+case "`${cc:-cc} -V 2>&1`" in
+*"Intel(R) C++ Compiler"*|*"Intel(R) C Compiler"*)
+ # record the version, formats:
+ # icc (ICC) 10.1 20080801
+ # icpc (ICC) 10.1 20080801
+ # followed by a copyright on the second line
+ ccversion=`${cc:-cc} --version | sed -n -e 's/^icp\?c \((ICC) \)\?//p'`
+ # This is needed for Configure's prototype checks to work correctly
+ # The -mp flag is needed to pass various floating point related tests
+ # The -no-gcc flag is needed otherwise, icc pretends (poorly) to be gcc
+ ccflags="-we147 -mp -no-gcc $ccflags"
+ # Prevent relocation errors on 64bits arch
+ case "`uname -m`" in
+ *ia64*|*x86_64*)
+ cccdlflags='-fPIC'
+ ;;
+ esac
+ # If we're using ICC, we usually want the best performance
+ case "$optimize" in
+ '') optimize='-O3' ;;
+ esac
+ ;;
+*" Sun "*"C"*)
+ # Sun's C compiler, which might have a 'tag' name between
+ # 'Sun' and the 'C': Examples:
+ # cc: Sun C 5.9 Linux_i386 Patch 124871-01 2007/07/31
+ # cc: Sun Ceres C 5.10 Linux_i386 2008/07/10
+ test "$optimize" || optimize='-xO2'
+ cccdlflags='-KPIC'
+ lddlflags='-G -Bdynamic'
+ # Sun C doesn't support gcc attributes, but, in many cases, doesn't
+ # complain either. Not all cases, though.
+ d_attribute_format='undef'
+ d_attribute_malloc='undef'
+ d_attribute_nonnull='undef'
+ d_attribute_noreturn='undef'
+ d_attribute_pure='undef'
+ d_attribute_unused='undef'
+ d_attribute_warn_unused_result='undef'
+ ;;
+esac
+
case "$optimize" in
-'') optimize='-O2' ;;
+# use -O2 by default ; -O3 doesn't seem to bring significant benefits with gcc
+'')
+ optimize='-O2'
+ case "`uname -m`" in
+ ppc*)
+ # on ppc, it seems that gcc (at least gcc 3.3.2) isn't happy
+ # with -O2 ; so downgrade to -O1.
+ optimize='-O1'
+ ;;
+ ia64*)
+ # This architecture has had various problems with gcc's
+ # in the 3.2, 3.3, and 3.4 releases when optimized to -O2. See
+ # RT #37156 for a discussion of the problem.
+ case "`${cc:-gcc} -v 2>&1`" in
+ *"version 3.2"*|*"version 3.3"*|*"version 3.4"*)
+ ccflags="-fno-delete-null-pointer-checks $ccflags"
+ ;;
+ esac
+ ;;
+ esac
+ ;;
+esac
+
+# Ubuntu 11.04 (and later, presumably) doesn't keep most libraries
+# (such as -lm) in /lib or /usr/lib. So we have to ask gcc to tell us
+# where to look. We don't want gcc's own libraries, however, so we
+# filter those out.
+# This could be conditional on Unbuntu, but other distributions may
+# follow suit, and this scheme seems to work even on rather old gcc's.
+# This unconditionally uses gcc because even if the user is using another
+# compiler, we still need to find the math library and friends, and I don't
+# know how other compilers will cope with that situation.
+# Morever, if the user has their own gcc earlier in $PATH than the system gcc,
+# we don't want its libraries. So we try to prefer the system gcc
+# Still, as an escape hatch, allow Configure command line overrides to
+# plibpth to bypass this check.
+if [ -x /usr/bin/gcc ] ; then
+ gcc=/usr/bin/gcc
+else
+ gcc=gcc
+fi
+
+case "$plibpth" in
+'') plibpth=`$gcc -print-search-dirs | grep libraries |
+ cut -f2- -d= | tr ':' $trnl | grep -v 'gcc' | sed -e 's:/$::'`
+ set X $plibpth # Collapse all entries on one line
+ shift
+ plibpth="$*"
+ ;;
esac
# Are we using ELF? Thanks to Kenneth Albanowski <kjahds@kjahds.com>
/* Test for whether ELF binaries are produced */
#include <fcntl.h>
#include <stdlib.h>
+#include <unistd.h>
main() {
char buffer[4];
int i=open("a.out",O_RDONLY);
exit(0); /* succeed (yes, it's ELF) */
}
EOM
-if ${cc:-gcc} try.c >/dev/null 2>&1 && ./a.out; then
+if ${cc:-gcc} try.c >/dev/null 2>&1 && $run ./a.out; then
cat <<'EOM' >&4
You appear to have ELF support. I'll try to use it for dynamic loading.
If dynamic loading doesn't work, read hints/linux.sh for further information.
EOM
-#For RedHat Linux 3.0.3, you may need to fetch
-# ftp://ftp.redhat.com/pub/redhat-3.0.3/i386/updates/RPMS/ld.so-1.7.14-3.i386.rpm
-#
-
else
cat <<'EOM' >&4
#so='none'
# In addition, on some systems there is a problem with perl and NDBM
- # which causes AnyDBM and NDBM_File to lock up. This is evidenced
- # in the tests as AnyDBM just freezing. Apparently, this only
+ # which causes AnyDBM and NDBM_File to lock up. This is evidenced
+ # in the tests as AnyDBM just freezing. Apparently, this only
# happens on a.out systems, so we disable NDBM for all a.out linux
# systems. If someone can suggest a more robust test
# that would be appreciated.
# just as advertised. Checking into it, I found that the lockup was
# during the call to dbm_open. Not *in* dbm_open -- but between the call
# to and the jump into.
- #
+ #
# To make a long story short, making sure that the *.a and *.sa pairs of
# /usr/lib/lib{m,db,gdbm}.{a,sa}
# were perfectly in sync took care of it.
# For this reason I suggest using the much bug-fixed tcsh for globbing
# where available.
-if [ ! "`csh -c 'echo $version' 2>/dev/null`" ]
-then
- echo 'Real csh found (might break); looking for tcsh ...'
- # Use ./UU/loc to find tcsh. (We no longer run in the hints/ directory)
+# November 2001: That warning's pretty old now and probably not so
+# relevant, especially since perl now uses File::Glob for globbing.
+# We'll still look for tcsh, but tone down the warnings.
+# Andy Dougherty, Nov. 6, 2001
+if $csh -c 'echo $version' >/dev/null 2>&1; then
+ echo 'Your csh is really tcsh. Good.'
+else
if xxx=`./UU/loc tcsh blurfl $pth`; $test -f "$xxx"; then
echo "Found tcsh. I'll use it for globbing."
# We can't change Configure's setting of $csh, due to the way
# Configure handles $d_portable and commands found in $loclist.
# We can set the value for CSH in config.h by setting full_csh.
full_csh=$xxx
- else
- echo "Couldn't find tcsh. BEWARE: GLOBBING MIGHT BE BROKEN."
+ elif [ -f "$csh" ]; then
+ echo "Couldn't find tcsh. Csh-based globbing might be broken."
fi
-else
- echo 'Your csh is really tcsh. Good.'
fi
# Shimpei Yamashita <shimpei@socrates.patnet.caltech.edu>
# Message-Id: <33EF1634.B36B6500@pobox.com>
-#
+#
# The DR2 of MkLinux (osname=linux,archname=ppc-linux) may need
# special flags passed in order for dynamic loading to work.
# instead of the recommended:
#
# ccdlflags='-rdynamic'
-#
+#
# it should be:
# ccdlflags='-Wl,-E'
#
#'osfmach3ppc') ccdlflags='-Wl,-E' ;;
#esac
-case "`uname -r`" in
-sparc-linux)
+case "`uname -m`" in
+sparc*)
case "$cccdlflags" in
*-fpic*) cccdlflags="`echo $cccdlflags|sed 's/-fpic/-fPIC/'`" ;;
+ *-fPIC*) ;;
*) cccdlflags="$cccdlflags -fPIC" ;;
esac
;;
esac
-# This script UU/usethreads.cbu will get 'called-back' by Configure
+# SuSE8.2 has /usr/lib/libndbm* which are ld scripts rather than
+# true libraries. The scripts cause binding against static
+# version of -lgdbm which is a bad idea. So if we have 'nm'
+# make sure it can read the file
+# NI-S 2003/08/07
+if [ -r /usr/lib/libndbm.so -a -x /usr/bin/nm ] ; then
+ if /usr/bin/nm /usr/lib/libndbm.so >/dev/null 2>&1 ; then
+ echo 'Your shared -lndbm seems to be a real library.'
+ else
+ echo 'Your shared -lndbm is not a real library.'
+ set `echo X "$libswanted "| sed -e 's/ ndbm / /'`
+ shift
+ libswanted="$*"
+ fi
+fi
+
+
+# This script UU/usethreads.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use threads.
cat > UU/usethreads.cbu <<'EOCBU'
+if getconf GNU_LIBPTHREAD_VERSION | grep NPTL >/dev/null 2>/dev/null
+then
+ threadshavepids=""
+else
+ threadshavepids="-DTHREADS_HAVE_PIDS"
+fi
case "$usethreads" in
$define|true|[yY]*)
- ccflags="-D_REENTRANT $ccflags"
- set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
- shift
- libswanted="$*"
+ ccflags="-D_REENTRANT -D_GNU_SOURCE $threadshavepids $ccflags"
+ if echo $libswanted | grep -v pthread >/dev/null
+ then
+ set `echo X "$libswanted "| sed -e 's/ c / pthread c /'`
+ shift
+ libswanted="$*"
+ fi
+
+ # Somehow at least in Debian 2.2 these manage to escape
+ # the #define forest of <features.h> and <time.h> so that
+ # the hasproto macro of Configure doesn't see these protos,
+ # even with the -D_GNU_SOURCE.
+
+ d_asctime_r_proto="$define"
+ d_crypt_r_proto="$define"
+ d_ctime_r_proto="$define"
+ d_gmtime_r_proto="$define"
+ d_localtime_r_proto="$define"
+ d_random_r_proto="$define"
+
;;
esac
EOCBU
cat > UU/uselargefiles.cbu <<'EOCBU'
-# This script UU/uselargefiles.cbu will get 'called-back' by Configure
+# This script UU/uselargefiles.cbu will get 'called-back' by Configure
# after it has prompted the user for whether to use large files.
case "$uselargefiles" in
''|$define|true|[yY]*)
;;
esac
EOCBU
+
+# Purify fails to link Perl if a "-lc" is passed into its linker
+# due to duplicate symbols.
+case "$PURIFY" in
+$define|true|[yY]*)
+ set `echo X "$libswanted "| sed -e 's/ c / /'`
+ shift
+ libswanted="$*"
+ ;;
+esac
+
+# If we are using g++ we must use nm and force ourselves to use
+# the /usr/lib/libc.a (resetting the libc below to an empty string
+# makes Configure to look for the right one) because the symbol
+# scanning tricks of Configure will crash and burn horribly.
+case "$cc" in
+*g++*) usenm=true
+ libc=''
+ ;;
+esac
+
+# If using g++, the Configure scan for dlopen() and (especially)
+# dlerror() might fail, easier just to forcibly hint them in.
+case "$cc" in
+*g++*)
+ d_dlopen='define'
+ d_dlerror='define'
+ ;;
+esac
+
+# Under some circumstances libdb can get built in such a way as to
+# need pthread explicitly linked.
+
+libdb_needs_pthread="N"
+
+if echo " $libswanted " | grep -v " pthread " >/dev/null
+then
+ if echo " $libswanted " | grep " db " >/dev/null
+ then
+ for DBDIR in $glibpth
+ do
+ DBLIB="$DBDIR/libdb.so"
+ if [ -f $DBLIB ]
+ then
+ if nm -u $DBLIB | grep pthread >/dev/null
+ then
+ if ldd $DBLIB | grep pthread >/dev/null
+ then
+ libdb_needs_pthread="N"
+ else
+ libdb_needs_pthread="Y"
+ fi
+ fi
+ fi
+ done
+ fi
+fi
+
+case "$libdb_needs_pthread" in
+ "Y")
+ libswanted="$libswanted pthread"
+ ;;
+esac
https://perl5.git.perl.org / perl5.git / blobdiff