mirror of
git://sourceware.org/git/glibc.git
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49891c1062
1997-10-09 04:56 Ulrich Drepper <drepper@cygnus.com> * locales/is_IS: Update from Debian version. 1997-08-29 03:16 Ulrich Drepper <drepper@cygnus.com> * tst-fmon.c: New file. strfmon test program. * tst-fmon.sh: New file. Script to run strfmon test. * fmon-de_DE.exp: New file. Expected result of strfmon test for de_DE. * fmon-en_US.exp: New file. Expected result of strfmon test for en_US. * locales/cs_CZ: Update from author.
1108 lines
30 KiB
Plaintext
1108 lines
30 KiB
Plaintext
dnl Process this file with autoconf to produce a configure script.
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AC_REVISION([$CVSid$])
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AC_PREREQ(2.11)dnl dnl Minimum Autoconf version required.
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AC_INIT(include/features.h)
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AC_CONFIG_HEADER(config.h)
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# This will get text that should go into config.make.
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config_vars=
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# Check for a --with-gmp argument and set gmp-srcdir in config.make.
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AC_ARG_WITH(gmp, dnl
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--with-gmp=DIRECTORY find GMP source code in DIRECTORY (not needed),
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[dnl
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case "$with_gmp" in
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yes) AC_MSG_ERROR(--with-gmp requires an argument; use --with-gmp=DIRECTORY) ;;
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''|no) ;;
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*) config_vars="$config_vars
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gmp-srcdir = $withval" ;;
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esac
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])
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# Check for a --with-gettext argument and set gettext-srcdir in config.make.
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AC_ARG_WITH(gettext, dnl
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--with-gettext=DIR find GNU gettext source code in DIR (not needed),
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[dnl
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case "$with_gettext" in
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yes)
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AC_MSG_ERROR(--with-gettext requires an argument; use --with-gettext=DIR) ;;
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''|no) ;;
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*)
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config_vars="$config_vars
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gettext-srcdir = $withval" ;;
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esac
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])
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dnl Arguments to specify presence of other packages/features.
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AC_ARG_WITH(fp, dnl
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[ --with-fp if using floating-point hardware [default=yes]],
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with_fp=$withval, with_fp=yes)
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AC_ARG_WITH(binutils, dnl
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--with-binutils=PATH specify location of binutils (as and ld),
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path_binutils=$withval, path_binutils='')
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AC_ARG_WITH(elf, dnl
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--with-elf if using the ELF object format,
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elf=$withval, elf=no)
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AC_ARG_ENABLE(libio, dnl
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[ --enable-libio build in GNU libio instead of GNU stdio],
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[if test $enableval = yes; then
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stdio=libio
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else
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stdio=stdio
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fi],
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stdio=default)
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AC_ARG_ENABLE(sanity-checks, dnl
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[ --disable-sanity-checks really do not use threads (should not be used
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except in special situations) [default=yes]],
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enable_sanity=$enableval, enable_sanity=yes)
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dnl Arguments to enable or disable building the static, shared, profiled,
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dnl and -fomit-frame-pointer libraries.
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AC_ARG_ENABLE(static, dnl
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[ --enable-static build static library [default=yes]],
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static=$enableval, static=yes)
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AC_ARG_ENABLE(shared, dnl
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[ --enable-shared build shared library [default=yes if GNU ld & ELF]],
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shared=$enableval, shared=default)
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AC_ARG_ENABLE(profile, dnl
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[ --enable-profile build profiled library [default=yes]],
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profile=$enableval, profile=yes)
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AC_ARG_ENABLE(omitfp, dnl
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[ --enable-omitfp build undebuggable optimized library [default=no]],
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omitfp=$enableval, omitfp=no)
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AC_ARG_ENABLE(bounded, dnl
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[ --enable-bounded build with runtime bounds checking [default=no]],
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bounded=$enableval, bounded=no)
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AC_ARG_ENABLE(versioning, dnl
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[ --disable-versioning do not include versioning information in the
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library objects [default=yes if supported]],
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enable_versioning=$enableval, enable_versioning=yes)
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dnl Generic infrastructure for drop-in additions to libc.
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AC_ARG_ENABLE(add-ons, dnl
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[ --enable-add-ons[=DIR1,DIR2]... configure and build add-ons in DIR1,DIR2,...
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search for add-ons if no parameter given],
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[case "$enableval" in
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yes) if test "$srcdir" = "."; then
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add_ons=`echo */configure | sed -e 's!/configure!!g'`
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else
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add_ons=`echo $srcdir/*/configure | \
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sed -e "s!$srcdir/!!g" -e 's!/configure!!g'`
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fi;;
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*) add_ons=`echo "$enableval" | sed 's/,/ /g'`;;
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esac],
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[add_ons=])
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AC_CONFIG_SUBDIRS($add_ons)
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add_ons_pfx=
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if test x"$add_ons" != x; then
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for f in $add_ons; do
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# Test whether such a subdir really exists.
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if test -d $srcdir/$f; then
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add_ons_pfx="$add_ons_pfx $f/"
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else
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AC_MSG_ERROR(add-on directory \"$f\" does not exist)
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fi
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done
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fi
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dnl On some platforms we cannot use dynamic loading. We must provide
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dnl static NSS modules.
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AC_ARG_ENABLE(static-nss, dnl
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[ --enable-static-nss build static NSS modules [default=no]],
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static_nss=$enableval, static_nss=no)
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if test x"$static_nss" = xyes; then
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AC_DEFINE(DO_STATIC_NSS)
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fi
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AC_CANONICAL_HOST
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# The way shlib-versions is used to generate soversions.mk uses a
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# fairly simplistic model for name recognition that can't distinguish
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# i486-pc-linux-gnu fully from i486-pc-gnu. So we mutate a $host_os
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# of `gnu*' here to be `gnu-gnu*' just so that shlib-versions can
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# tell. This doesn't get used much beyond that, so it's fairly safe.
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case "$host_os" in
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linux*)
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;;
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gnu*)
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host_os=`echo $host_os | sed -e 's/gnu/gnu-gnu/'`
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;;
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esac
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###
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### I put this here to prevent those annoying emails from people who cannot
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### read and try to compile glibc on unsupported platforms. --drepper
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###
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### By using the undocumented --enable-hacker-mode option for configure
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### one can skip this test to make the configuration not fail for unsupported
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### platforms.
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###
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if test -z "$enable_hacker_mode"; then
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case "$host_os" in
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linux* | gnu*)
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;;
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*)
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echo "*** The GNU C library is currently not available for this platform."
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echo "*** So far nobody cared to port it and if there is no volunteer it"
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echo "*** might never happen. So, if you have interest to see glibc on"
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echo "*** this platform visit"
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echo "*** http://www.gnu.org/software/libc/porting.html"
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echo "*** and join the group of porters"
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exit 1
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;;
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esac
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fi
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# We keep the original values in `$config_*' and never modify them, so we
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# can write them unchanged into config.make. Everything else uses
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# $machine, $vendor, and $os, and changes them whenever convenient.
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config_machine=$host_cpu config_vendor=$host_vendor config_os=$host_os
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# Some configurations imply other options.
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case "$host_os" in
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gnu* | linux* | bsd4.4* | netbsd* | freebsd*)
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# These systems always use GNU tools.
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gnu_ld=yes gnu_as=yes ;;
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esac
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case "$host_os" in
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# i586-linuxaout is mangled into i586-pc-linux-gnuaout
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linux*ecoff* | linux*aout* | gnu*aout* | gnu*ecoff*)
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;;
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gnu* | linux* | sysv4* | solaris2*)
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# These systems (almost) always use the ELF format.
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elf=yes
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;;
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esac
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machine=$config_machine
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vendor=$config_vendor
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os=$config_os
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dnl We need to use [ and ] for other purposes for a while now.
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changequote(,)dnl
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# Expand the configuration machine name into a subdirectory by architecture
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# type and particular chip.
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case "$machine" in
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a29k | am29000) base_machine=a29k machine=a29k ;;
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alpha*) base_machine=alpha machine=alpha/$machine ;;
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arm*) base_machine=arm machine=arm/$machine ;;
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c3[012]) base_machine=cx0 machine=cx0/c30 ;;
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c4[04]) base_machine=cx0 machine=cx0/c40 ;;
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hppa*) base_machine=hppa machine=hppa/$machine ;;
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i[3456]86) base_machine=i386 machine=i386/$machine ;;
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m680?0) base_machine=m68k machine=m68k/$machine ;;
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m68k) base_machine=m68k machine=m68k/m68020 ;;
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m88???) base_machine=m88k machine=m88k/$machine ;;
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m88k) base_machine=m88k machine=m88k/m88100 ;;
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mips64*) base_machine=mips64 machine=mips/mips64/$machine ;;
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mips*) base_machine=mips machine=mips/$machine ;;
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sparc | sparcv[67])
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base_machine=sparc machine=sparc/sparc32 ;;
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sparcv8 | supersparc | hypersparc)
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base_machine=sparc machine=sparc/sparc32/sparcv8 ;;
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sparc64 | ultrasparc)
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base_machine=sparc machine=sparc/sparc64 ;;
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esac
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changequote([,])dnl
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AC_SUBST(base_machine)
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if test "$base_machine" = "i386"; then
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AC_DEFINE(USE_REGPARMS)
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fi
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# Compute the list of sysdep directories for this configuration.
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# This can take a while to compute.
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sysdep_dir=$srcdir/sysdeps
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AC_MSG_CHECKING(sysdep dirs)
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dnl We need to use [ and ] for other purposes for a while now.
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changequote(,)dnl
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# Make sco3.2v4 become sco3.2.4 and sunos4.1.1_U1 become sunos4.1.1.U1.
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os="`echo $os | sed 's/\([0-9A-Z]\)[v_]\([0-9A-Z]\)/\1.\2/g'`"
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case "$os" in
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gnu*)
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base_os=mach/hurd ;;
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netbsd* | 386bsd* | freebsd* | bsdi*)
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base_os=unix/bsd/bsd4.4 ;;
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osf* | sunos* | ultrix* | newsos* | dynix* | *bsd*)
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base_os=unix/bsd ;;
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sysv* | isc* | esix* | sco* | minix* | irix4* | linux*)
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base_os=unix/sysv ;;
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solaris[2-9]*)
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base_os=unix/sysv/sysv4 ;;
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none)
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base_os=standalone ;;
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*)
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base_os='' ;;
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esac
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# For sunos4.1.1, try sunos4.1.1, then sunos4.1, then sunos4, then sunos.
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tail=$os
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ostry=$os
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while o=`echo $tail | sed 's/\.[^.]*$//'`; test $o != $tail; do
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ostry="$ostry /$o"
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tail=$o
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done
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o=`echo $tail | sed 's/[0-9]*$//'`
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if test $o != $tail; then
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ostry="$ostry /$o"
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fi
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# For linux-gnu, try linux-gnu, then linux.
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o=`echo $tail | sed 's/-.*$//'`
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if test $o != $tail; then
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ostry="$ostry /$o"
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fi
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# For unix/sysv/sysv4, try unix/sysv/sysv4, then unix/sysv, then unix.
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base=
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tail=$base_os
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while b=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$b"; do
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set $b
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base="$base /$1"
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tail="$2"
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done
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|
# For sparc/sparc9, try sparc/sparc9 and then sparc.
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mach=
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tail=$machine
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while m=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$m"; do
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set $m
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# Prepend the machine's FPU directory unless --without-fp.
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if test "$with_fp" = yes; then
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mach="$mach /$1/fpu"
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fi
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mach="$mach /$1"
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tail="$2"
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done
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dnl We are done with glob and regexp uses of [ and ]; return to autoconf.
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changequote([,])dnl
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# Find what sysdep directories exist.
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sysnames=
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IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
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for d in $add_ons_pfx ''; do
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for b in $base ''; do
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for m0 in $mach ''; do
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for v in /$vendor ''; do
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for o in /$ostry ''; do
|
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for m in $mach ''; do
|
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if test "$m0$b$v$o$m"; then
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try="${d}sysdeps$m0$b$v$o$m"
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test -n "$enable_debug_configure" &&
|
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echo "$0 [DEBUG]: try $try" >&2
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case $try in
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/*) dest=$try ;;
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*) dest=$srcdir/$try ;;
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esac
|
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if test -d $dest; then
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sysnames="$sysnames $try"
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{ test -n "$o" || test -n "$b"; } && os_used=t
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{ test -n "$m" || test -n "$m0"; } && machine_used=t
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fi
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fi
|
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done
|
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done
|
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done
|
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done
|
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done
|
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done
|
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IFS="$ac_save_ifs"
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|
|
if test -z "$os_used" && test "$os" != none; then
|
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AC_MSG_ERROR(Operating system $os is not supported.)
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fi
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if test -z "$machine_used" && test "$machine" != none; then
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AC_MSG_ERROR(The $machine is not supported.)
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fi
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# We have now validated the configuration.
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# If using ELF, look for an `elf' subdirectory of each machine directory.
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# We prepend these rather than inserting them whereever the machine appears
|
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# because things specified by the machine's ELF ABI should override
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# OS-specific things, and should always be the same for any OS on the
|
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# machine (otherwise what's the point of an ABI?).
|
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if test "$elf" = yes; then
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elf_dirs=
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for d in $add_ons_pfx ''; do
|
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case $d in
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/*) xsrcdir= ;;
|
|
*) xsrcdir=$srcdir/ ;;
|
|
esac
|
|
for m in $mach; do
|
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if test -d $xsrcdir${d}sysdeps$m/elf; then
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elf_dirs="$elf_dirs ${d}sysdeps$m/elf"
|
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fi
|
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done
|
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done
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sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames"
|
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fi
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|
|
|
|
# Expand the list of system names into a full list of directories
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# from each element's parent name and Implies file (if present).
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|
set $sysnames
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names=
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while test $# -gt 0; do
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name=$1
|
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shift
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|
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case " $names " in *" $name "*)
|
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# Already in the list.
|
|
continue
|
|
esac
|
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|
|
# Report each name as we discover it, so there is no long pause in output.
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|
echo $ac_n "$name $ac_c" >&AC_FD_MSG
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|
|
name_base=`echo $name | sed -e 's@\(.*sysdeps\)/.*@\1@'`
|
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|
|
case $name in
|
|
/*) xsrcdir= ;;
|
|
*) xsrcdir=$srcdir/ ;;
|
|
esac
|
|
test -n "$enable_debug_configure" &&
|
|
echo "[DEBUG]: name/Implies $xsrcdir$name/Implies" >&2
|
|
|
|
if test -f $xsrcdir$name/Implies; then
|
|
# Collect more names from the `Implies' file (removing comments).
|
|
implied_candidate="`sed 's/#.*$//' < $xsrcdir$name/Implies`"
|
|
implied=
|
|
for x in $implied_candidate; do
|
|
if test -d $xsrcdir$name_base/$x; then
|
|
implied="$implied $name_base/$x";
|
|
else
|
|
AC_MSG_WARN($name/Implies specifies nonexistent $x)
|
|
fi
|
|
done
|
|
else
|
|
implied=
|
|
fi
|
|
|
|
# Add NAME to the list of names.
|
|
names="$names $name"
|
|
|
|
# Find the parent of NAME, using the empty string if it has none.
|
|
changequote(,)dnl
|
|
parent="`echo $name | sed -n -e 's=/[^/]*$==' -e '/sysdeps$/q' -e p`"
|
|
changequote([,])dnl
|
|
|
|
# Add the names implied by NAME, and NAME's parent (if it has one), to
|
|
# the list of names to be processed (the argument list). We prepend the
|
|
# implied names to the list and append the parent. We want implied
|
|
# directories to come before further directories inferred from the
|
|
# configuration components; this ensures that for sysv4, unix/common
|
|
# (implied by unix/sysv/sysv4) comes before unix/sysv (in ostry (here $*)
|
|
# after sysv4).
|
|
sysnames="`echo $implied $* $parent`"
|
|
test -n "$sysnames" && set $sysnames
|
|
done
|
|
|
|
# Add the default directories.
|
|
sysnames="$names sysdeps/generic"
|
|
AC_SUBST(sysnames)
|
|
# The other names were emitted during the scan.
|
|
AC_MSG_RESULT(sysdeps/generic)
|
|
|
|
|
|
### Locate tools.
|
|
|
|
AC_PROG_INSTALL
|
|
if test "$INSTALL" = "${srcdir}/install-sh -c"; then
|
|
# The makefiles need to use a different form to find it in $srcdir.
|
|
INSTALL='\$(..)./install-sh -c'
|
|
fi
|
|
AC_PROG_LN_S
|
|
AC_CHECK_PROGS(MSGFMT, msgfmt gmsgfmt, :)
|
|
AC_CHECK_PROG(MAKEINFO, makeinfo, makeinfo)
|
|
if test "$MAKEINFO"; then
|
|
changequote(,)dnl Need [] for regexps.
|
|
if $MAKEINFO --version | grep 'texinfo 3\.[1-9][1-9]' >/dev/null 2>&1
|
|
changequote([,])dnl
|
|
then : # Makeinfo 3.11 or greater, works.
|
|
else
|
|
AC_MSG_WARN([
|
|
*** makeinfo is too old (need version 3.11 or better).
|
|
*** You should install the needed version and re-configure since otherwise
|
|
*** you won't get the info pages installed.])
|
|
MAKEINFO=
|
|
fi
|
|
fi
|
|
|
|
AC_PROG_CC_LOCAL
|
|
AC_CANONICAL_BUILD
|
|
if test $host != $build; then
|
|
AC_CHECK_PROGS(BUILD_CC, gcc cc)
|
|
fi
|
|
AC_SUBST(cross_compiling)
|
|
AC_PROG_CPP
|
|
LIBC_PROG_BINUTILS
|
|
AC_CHECK_TOOL(AR, ar)
|
|
AC_CHECK_TOOL(RANLIB, ranlib, :)
|
|
|
|
AC_PATH_PROG(BASH, bash, no)
|
|
if test "$BASH" != no &&
|
|
$BASH -c 'test "$BASH_VERSINFO" \
|
|
&& test "$BASH_VERSINFO" -ge 2 >&/dev/null'; then
|
|
libc_cv_have_bash2=yes
|
|
else
|
|
libc_cv_have_bash2=no
|
|
fi
|
|
AC_SUBST(libc_cv_have_bash2)
|
|
|
|
dnl We need a ksh compatible shell for tzselect.
|
|
if test "$BASH" = no; then
|
|
AC_PATH_PROG(KSH, ksh, no)
|
|
if test "$KSH" = no; then
|
|
libc_cv_have_ksh=no
|
|
else
|
|
libc_cv_have_ksh=yes
|
|
fi
|
|
else
|
|
KSH="$BASH"
|
|
AC_SUBST(KSH)
|
|
libc_cv_have_ksh=yes
|
|
fi
|
|
AC_SUBST(libc_cv_have_ksh)
|
|
|
|
AC_PATH_PROGS(PERL, perl, no)
|
|
AC_SUBST(PERL)
|
|
|
|
AC_CACHE_CHECK(for signed size_t type, libc_cv_signed_size_t, [dnl
|
|
echo '#include <stddef.h>
|
|
FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
|
|
if eval "$ac_cpp conftest.c 2>/dev/null" \
|
|
| grep '^FOOBAR.*unsigned.*FOOBAR$' >/dev/null; then
|
|
libc_cv_signed_size_t=no
|
|
else
|
|
libc_cv_signed_size_t=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_signed_size_t = yes; then
|
|
dnl Do this by hand instead of AC_DEFINE so can add #undef to avoid warnings.
|
|
cat >> confdefs.h <<\EOF
|
|
#undef __SIZE_TYPE__
|
|
#define __SIZE_TYPE__ unsigned
|
|
EOF
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for libc-friendly stddef.h, libc_cv_friendly_stddef, [dnl
|
|
AC_TRY_COMPILE(dnl
|
|
[#define __need_size_t
|
|
#define __need_wchar_t
|
|
#include <stddef.h>
|
|
#define __need_NULL
|
|
#include <stddef.h>], [size_t size; wchar_t wchar;
|
|
#ifdef offsetof
|
|
#error stddef.h ignored __need_*
|
|
#endif
|
|
if (&size == NULL || &wchar == NULL) abort ();],
|
|
libc_cv_friendly_stddef=yes,
|
|
libc_cv_friendly_stddef=no)])
|
|
if test $libc_cv_friendly_stddef = yes; then
|
|
config_vars="$config_vars
|
|
override stddef.h = # The installed <stddef.h> seems to be libc-friendly."
|
|
fi
|
|
|
|
AC_CACHE_CHECK(whether we need to use -P to assemble .S files,
|
|
libc_cv_need_minus_P, [dnl
|
|
cat > conftest.S <<EOF
|
|
#include "confdefs.h"
|
|
/* Nothing whatsoever. */
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.S 2>/dev/null; then
|
|
libc_cv_need_minus_P=no
|
|
else
|
|
libc_cv_need_minus_P=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_need_minus_P = yes; then
|
|
config_vars="$config_vars
|
|
asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
|
|
fi
|
|
|
|
# gcc 2.7.x has a bug where if -pipe is set, the assembler will always
|
|
# be told to read stdin. This causes the compiler to hang when fed an
|
|
# .s file.
|
|
if test $ac_cv_prog_gcc = yes; then
|
|
case `${CC-cc} -v 2>&1` in
|
|
*2.7*)
|
|
# We must check this even if -pipe is not given here, because the user
|
|
# might do `make CFLAGS=-pipe'.
|
|
AC_CACHE_CHECK(for gcc 2.7.x -pipe bug, libc_cv_gcc_pipe_bug, [dnl
|
|
cp /dev/null conftest.s
|
|
cat >conftest1.s <<EOF
|
|
.nosuchdirective
|
|
EOF
|
|
if ${CC-cc} -pipe -c conftest.s <conftest1.s 2>/dev/null; then
|
|
libc_cv_gcc_pipe_bug=no
|
|
else
|
|
libc_cv_gcc_pipe_bug=yes
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_gcc_pipe_bug = yes; then
|
|
makeCC="${CC-cc} -B\$(common-objpfx)"
|
|
makeCFLAGS=$CFLAGS
|
|
CFLAGS=`echo $CFLAGS |sed 's/-pipe//'`
|
|
fi;;
|
|
*) libc_cv_gcc_pipe_bug=no;;
|
|
esac
|
|
else
|
|
libc_cv_gcc_pipe_bug=no
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for assembler global-symbol directive,
|
|
libc_cv_asm_global_directive, [dnl
|
|
libc_cv_asm_global_directive=UNKNOWN
|
|
for ac_globl in .globl .global; do
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${ac_globl} foo
|
|
foo:
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_global_directive=${ac_globl}
|
|
fi
|
|
rm -f conftest*
|
|
test $libc_cv_asm_global_directive != UNKNOWN && break
|
|
done])
|
|
if test $libc_cv_asm_global_directive = UNKNOWN; then
|
|
AC_MSG_ERROR(cannot determine asm global directive)
|
|
else
|
|
AC_DEFINE_UNQUOTED(ASM_GLOBAL_DIRECTIVE, ${libc_cv_asm_global_directive})
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for .set assembler directive, libc_cv_asm_set_directive, [dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
foo:
|
|
.set glibc_conftest_frobozz,foo
|
|
$libc_cv_asm_global_directive glibc_conftest_frobozz
|
|
EOF
|
|
# The alpha-dec-osf1 assembler gives only a warning for `.set'
|
|
# (but it doesn't work), so we must do a linking check to be sure.
|
|
cat > conftest1.c <<\EOF
|
|
extern int glibc_conftest_frobozz;
|
|
main () { printf ("%d\n", glibc_conftest_frobozz); }
|
|
EOF
|
|
if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
|
|
-o conftest conftest.s conftest1.c 1>&AC_FD_CC 2>&AC_FD_CC; then
|
|
libc_cv_asm_set_directive=yes
|
|
else
|
|
libc_cv_asm_set_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_asm_set_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_SET_DIRECTIVE)
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive,
|
|
[cat > conftest.s <<EOF
|
|
.text
|
|
_sym:
|
|
.symver _sym,sym@VERS
|
|
EOF
|
|
if ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.s 1>&AC_FD_CC 2>&AC_FD_CC; then
|
|
libc_cv_asm_symver_directive=yes
|
|
else
|
|
libc_cv_asm_symver_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
AC_CACHE_CHECK(for ld --version-script, libc_cv_ld_version_script_option, [dnl
|
|
if test $libc_cv_asm_symver_directive = yes; then
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
_sym:
|
|
.symver _sym,sym@VERS
|
|
EOF
|
|
cat > conftest.map <<EOF
|
|
VERS_1 {
|
|
global: sym;
|
|
};
|
|
|
|
VERS_2 {
|
|
global: sym;
|
|
} VERS_1;
|
|
EOF
|
|
if ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.s 1>&AC_FD_CC 2>&AC_FD_CC; then
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
|
|
-nostartfiles -nostdlib
|
|
-Wl,--version-script,conftest.map
|
|
1>&AC_FD_CC]);
|
|
then
|
|
libc_cv_ld_version_script_option=yes
|
|
else
|
|
libc_cv_ld_version_script_option=no
|
|
fi
|
|
else
|
|
libc_cv_ld_version_script_option=no
|
|
fi
|
|
else
|
|
libc_cv_ld_version_script_option=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_asm_symver_directive = yes &&
|
|
test $libc_cv_ld_version_script_option = yes &&
|
|
test $enable_versioning = yes; then
|
|
VERSIONING=yes
|
|
AC_DEFINE(DO_VERSIONING)
|
|
else
|
|
VERSIONING=no
|
|
fi
|
|
AC_SUBST(VERSIONING)
|
|
|
|
if test $VERSIONING = no; then
|
|
echo "\
|
|
*** WARNING: You should not compile GNU libc without versioning. Not using
|
|
*** versioning will introduce incompatibilities so that old binaries
|
|
*** will not run anymore.
|
|
*** For versioning you need recent binutils (binutils-2.8.1.0.17 or newer)."
|
|
fi
|
|
if test $elf = yes; then
|
|
AC_CACHE_CHECK(for .previous assembler directive,
|
|
libc_cv_asm_previous_directive, [dnl
|
|
cat > conftest.s <<EOF
|
|
.section foo_section
|
|
.previous
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
|
|
libc_cv_asm_previous_directive=yes
|
|
else
|
|
libc_cv_asm_previous_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_asm_previous_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_PREVIOUS_DIRECTIVE)
|
|
else
|
|
AC_CACHE_CHECK(for .popsection assembler directive,
|
|
libc_cv_asm_popsection_directive, [dnl
|
|
cat > conftest.s <<EOF
|
|
.pushsection foo_section
|
|
.popsection
|
|
EOF
|
|
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AC_FD_CC); then
|
|
libc_cv_asm_popsection_directive=yes
|
|
else
|
|
libc_cv_asm_popsection_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
if test $libc_cv_asm_popsection_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_POPSECTION_DIRECTIVE)
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if test $elf != yes; then
|
|
AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
|
|
[AC_TRY_COMPILE(, [asm (".section .init");
|
|
asm (".section .fini");
|
|
asm (".text");],
|
|
libc_cv_have_initfini=yes,
|
|
libc_cv_have_initfini=no)])
|
|
AC_SUBST(libc_cv_have_initfini)dnl
|
|
if test $libc_cv_have_initfini = yes; then
|
|
AC_DEFINE(HAVE_INITFINI)
|
|
fi
|
|
fi
|
|
|
|
dnl AC_CHECK_ASM_UNDERSCORE([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
|
|
AC_DEFUN(AC_CHECK_ASM_UNDERSCORE,
|
|
[cat > conftest.$ac_ext <<EOF
|
|
dnl This sometimes fails to find confdefs.h, for some reason.
|
|
dnl [#]line __oline__ "[$]0"
|
|
[#]line __oline__ "configure"
|
|
#include "confdefs.h"
|
|
void underscore_test(void) {
|
|
return; }
|
|
EOF
|
|
if AC_TRY_EVAL(ac_compile); then
|
|
if grep _underscore_test conftest* >/dev/null; then
|
|
ifelse([$1], , :, [rm -f conftest*
|
|
$1])
|
|
else
|
|
ifelse([$2], , , [rm -f conftest*
|
|
$2])
|
|
fi
|
|
else
|
|
echo "configure: failed program was:" >&AC_FD_CC
|
|
cat conftest.$ac_ext >&AC_FD_CC
|
|
ifelse([$2], , , [rm -f conftest*
|
|
$2])
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
if test $elf = yes; then
|
|
libc_cv_asm_underscores=no
|
|
else
|
|
if test $ac_cv_prog_cc_works = yes; then
|
|
AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
|
|
[AC_TRY_LINK([asm ("_glibc_foobar:");], [glibc_foobar ();],
|
|
libc_cv_asm_underscores=yes,
|
|
libc_cv_asm_underscores=no)])
|
|
else
|
|
AC_CACHE_CHECK(for _ prefix on C symbol names, libc_cv_asm_underscores,
|
|
[AC_CHECK_ASM_UNDERSCORE(libc_cv_asm_underscores=yes,
|
|
libc_cv_asm_underscores=no)])
|
|
fi
|
|
fi
|
|
if test $libc_cv_asm_underscores = no; then
|
|
AC_DEFINE(NO_UNDERSCORES)
|
|
fi
|
|
|
|
if test $elf = yes; then
|
|
libc_cv_weak_symbols=yes
|
|
libc_cv_asm_weak_directive=yes
|
|
libc_cv_asm_weakext_directive=no
|
|
else
|
|
AC_CACHE_CHECK(for assembler .weak directive, libc_cv_asm_weak_directive,
|
|
[dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${libc_cv_asm_global_directive} foo
|
|
foo:
|
|
.weak foo
|
|
.weak bar; bar = foo
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_weak_directive=yes
|
|
else
|
|
libc_cv_asm_weak_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
if test $libc_cv_asm_weak_directive = no; then
|
|
AC_CACHE_CHECK(for assembler .weakext directive,
|
|
libc_cv_asm_weakext_directive,
|
|
[dnl
|
|
cat > conftest.s <<EOF
|
|
.text
|
|
${libc_cv_asm_global_directive} foo
|
|
foo:
|
|
.weakext foo
|
|
.weakext foo, bar
|
|
EOF
|
|
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
|
|
libc_cv_asm_weakext_directive=yes
|
|
else
|
|
libc_cv_asm_weakext_directive=no
|
|
fi
|
|
rm -f conftest*])
|
|
|
|
fi # no .weak
|
|
fi # not ELF
|
|
|
|
if test $libc_cv_asm_weak_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_WEAK_DIRECTIVE)
|
|
elif test $libc_cv_asm_weakext_directive = yes; then
|
|
AC_DEFINE(HAVE_ASM_WEAKEXT_DIRECTIVE)
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for ld --no-whole-archive, libc_cv_ld_no_whole_archive, [dnl
|
|
cat > conftest.c <<\EOF
|
|
_start () {}
|
|
int __eh_pc;
|
|
__throw () {}
|
|
EOF
|
|
dnl No \ in command here because it ends up inside ''.
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
|
|
-nostdlib -nostartfiles -Wl,--no-whole-archive
|
|
-o conftest conftest.c 1>&AC_FD_CC]); then
|
|
libc_cv_ld_no_whole_archive=yes
|
|
else
|
|
libc_cv_ld_no_whole_archive=no
|
|
fi
|
|
rm -f conftest*])
|
|
AC_SUBST(libc_cv_ld_no_whole_archive)dnl
|
|
|
|
AC_CACHE_CHECK(for gcc -fno-exceptions, libc_cv_gcc_no_exceptions, [dnl
|
|
cat > conftest.c <<\EOF
|
|
_start () {}
|
|
int __eh_pc;
|
|
__throw () {}
|
|
EOF
|
|
dnl No \ in command here because it ends up inside ''.
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
|
|
-nostdlib -nostartfiles -fno-exceptions
|
|
-o conftest conftest.c 1>&AC_FD_CC]); then
|
|
libc_cv_gcc_no_exceptions=yes
|
|
else
|
|
libc_cv_gcc_no_exceptions=no
|
|
fi
|
|
rm -f conftest*])
|
|
AC_SUBST(libc_cv_gcc_no_exceptions)dnl
|
|
|
|
if test "$base_machine" = alpha ; then
|
|
AC_CACHE_CHECK(for function ..ng prefix, libc_cv_gcc_alpha_ng_prefix, [dnl
|
|
cat > conftest.c <<\EOF
|
|
foo () { }
|
|
EOF
|
|
dnl
|
|
if AC_TRY_COMMAND([${CC-cc} -S conftest.c -o - | fgrep "\$foo..ng" > /dev/null]);
|
|
then
|
|
libc_cv_gcc_alpha_ng_prefix=yes
|
|
else
|
|
libc_cv_gcc_alpha_ng_prefix=no
|
|
fi
|
|
rm -f conftest* ])
|
|
if test $libc_cv_gcc_alpha_ng_prefix = yes ; then
|
|
AC_DEFINE(ASM_ALPHA_NG_SYMBOL_PREFIX, "$")
|
|
else
|
|
AC_DEFINE(ASM_ALPHA_NG_SYMBOL_PREFIX, "")
|
|
fi
|
|
fi
|
|
|
|
AC_CACHE_CHECK(for DWARF2 unwind info support, libc_cv_gcc_dwarf2_unwind_info,
|
|
[cat > conftest.c <<EOF
|
|
#line __oline__ "configure"
|
|
static char __EH_FRAME_BEGIN__[];
|
|
_start ()
|
|
{
|
|
#ifdef CHECK__register_frame
|
|
__register_frame (__EH_FRAME_BEGIN__);
|
|
__deregister_frame (__EH_FRAME_BEGIN__);
|
|
#endif
|
|
#ifdef CHECK__register_frame_info
|
|
__register_frame_info (__EH_FRAME_BEGIN__);
|
|
__deregister_frame_info (__EH_FRAME_BEGIN__);
|
|
#endif
|
|
}
|
|
int __eh_pc;
|
|
__throw () {}
|
|
/* FIXME: this is fragile. */
|
|
malloc () {}
|
|
strcmp () {}
|
|
strlen () {}
|
|
memcpy () {}
|
|
memset () {}
|
|
free () {}
|
|
abort () {}
|
|
__bzero () {}
|
|
EOF
|
|
dnl No \ in command here because it ends up inside ''.
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -DCHECK__register_frame_info
|
|
-nostdlib -nostartfiles
|
|
-o conftest conftest.c -lgcc >&AC_FD_CC]); then
|
|
libc_cv_gcc_dwarf2_unwind_info=static
|
|
else
|
|
libc_cv_gcc_dwarf2_unwind_info=no
|
|
fi
|
|
if test $libc_cv_gcc_dwarf2_unwind_info = no; then
|
|
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -DCHECK__register_frame
|
|
-nostdlib -nostartfiles
|
|
-o conftest conftest.c -lgcc >&AC_FD_CC]); then
|
|
libc_cv_gcc_dwarf2_unwind_info=yes
|
|
else
|
|
libc_cv_gcc_dwarf2_unwind_info=no
|
|
fi
|
|
fi
|
|
rm -f conftest*])
|
|
case $libc_cv_gcc_dwarf2_unwind_info in
|
|
yes)
|
|
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO)
|
|
;;
|
|
static)
|
|
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO)
|
|
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO_STATIC)
|
|
;;
|
|
esac
|
|
|
|
### End of automated tests.
|
|
### Now run sysdeps configure fragments.
|
|
|
|
# sysdeps configure fragments may set these with files to be linked below.
|
|
libc_link_dests=
|
|
libc_link_sources=
|
|
|
|
# Iterate over all the sysdep directories we will use, running their
|
|
# configure fragments, and looking for a uname implementation.
|
|
uname=
|
|
for dir in $sysnames; do
|
|
case $dir in
|
|
/*) dest=$dir ;;
|
|
*) dest=$srcdir/$dir ;;
|
|
esac
|
|
if test -r $dest/configure; then
|
|
AC_MSG_RESULT(running configure fragment for $dest)
|
|
. $dest/configure
|
|
fi
|
|
[
|
|
if test -z "$uname"; then
|
|
if test -r $dest/uname.c ||
|
|
test -r $dest/uname.S ||
|
|
{ test -r $dest/syscalls.list &&
|
|
grep '^uname[ ]' $dest/syscalls.list >/dev/null; }; then
|
|
uname=$dir
|
|
fi
|
|
fi
|
|
]dnl
|
|
done
|
|
|
|
AC_LINK_FILES(`echo $libc_link_sources`, `echo $libc_link_dests`)
|
|
|
|
# If we will use the generic uname implementation, we must figure out what
|
|
# it will say by examining the system, and write the results in config-name.h.
|
|
if test "$uname" = "sysdeps/generic"; then
|
|
|
|
changequote(,)dnl
|
|
uname_sysname=`echo $config_os | sed 's/[0-9.]*$//'`
|
|
changequote([,])dnl
|
|
if test $uname_sysname != $config_os; then
|
|
config_release=`echo $config_os | sed s/$uname_sysname//`
|
|
fi
|
|
dnl
|
|
AC_DEFUN(LIBC_KERNEL_ID, [dnl
|
|
if test -r /vmunix; then
|
|
kernel_id=`strings /vmunix | grep UNIX`
|
|
elif test -r /dynix; then
|
|
kernel_id=`strings /dynix | grep DYNIX`
|
|
else
|
|
kernel_id=
|
|
fi
|
|
])dnl
|
|
|
|
AC_CACHE_CHECK(OS release for uname, libc_cv_uname_release, [dnl
|
|
AC_REQUIRE([LIBC_KERNEL_ID])dnl
|
|
changequote(,)dnl
|
|
kernel_release=`echo "$kernel_id" | sed 's/^[^0-9.]*\([0-9.]*\).*$/\1/'`
|
|
changequote([,])dnl
|
|
if test x`echo "$config_release" | sed "s/^$kernel_release//"` \
|
|
!= x$config_release; then
|
|
# The configuration release is a substring of the kernel release.
|
|
libc_cv_uname_release=$kernel_release
|
|
elif test x$config_release != x; then
|
|
libc_cv_uname_release=$config_release
|
|
elif test x$kernel_release != x; then
|
|
libc_cv_uname_release=$kernel_release
|
|
else
|
|
libc_cv_uname_release=unknown
|
|
fi])
|
|
uname_release="$libc_cv_uname_release"
|
|
|
|
AC_CACHE_CHECK(OS version for uname, libc_cv_uname_version, [dnl
|
|
AC_REQUIRE([LIBC_KERNEL_ID])dnl
|
|
changequote(,)dnl
|
|
kernel_version=`echo "$kernel_id" | sed 's/^[^#]*#\([0-9]*\).*$/\1/'`
|
|
changequote([,])dnl
|
|
if test -n "$kernel_version"; then
|
|
libc_cv_uname_version="$kernel_version"
|
|
else
|
|
libc_cv_uname_version=unknown
|
|
fi])
|
|
uname_version="$libc_cv_uname_version"
|
|
|
|
AC_SUBST(uname_sysname) AC_SUBST(uname_release) AC_SUBST(uname_version)dnl
|
|
config_uname=config-name.h:config-name.in
|
|
else
|
|
# For non-generic uname, we don't need to create config-name.h at all.
|
|
config_uname=
|
|
fi
|
|
|
|
AC_MSG_CHECKING(stdio selection)
|
|
AC_SUBST(stdio)
|
|
case $stdio in
|
|
libio) AC_DEFINE(USE_IN_LIBIO) ;;
|
|
default) stdio=stdio ;;
|
|
esac
|
|
AC_MSG_RESULT($stdio)
|
|
|
|
AC_MSG_CHECKING(ldap selection)
|
|
AC_SUBST(LDAP)
|
|
case $add_ons in
|
|
*ldap*)
|
|
ldap=yes
|
|
LDAP=ldap ;;
|
|
*) ldap=no
|
|
LDAP= ;;
|
|
esac
|
|
AC_MSG_RESULT($ldap)
|
|
|
|
AC_SUBST(libc_cv_slibdir)
|
|
AC_SUBST(libc_cv_sysconfdir)
|
|
AC_SUBST(libc_cv_rootsbindir)
|
|
|
|
AC_SUBST(has_ldconfig)
|
|
|
|
AC_SUBST(gnu_ld) AC_SUBST(gnu_as) AC_SUBST(elf)
|
|
if test $gnu_ld = yes; then
|
|
AC_DEFINE(HAVE_GNU_LD)
|
|
fi
|
|
if test $gnu_as = yes; then
|
|
AC_DEFINE(HAVE_GNU_AS)
|
|
fi
|
|
if test $elf = yes; then
|
|
AC_DEFINE(HAVE_ELF)
|
|
fi
|
|
|
|
AC_SUBST(static)
|
|
AC_SUBST(shared)
|
|
if test $shared = default; then
|
|
if test $gnu_ld = yes; then
|
|
shared=$elf
|
|
else
|
|
# For now we do not assume shared libs are available. In future more
|
|
# tests might become available.
|
|
shared=no
|
|
fi
|
|
fi
|
|
|
|
dnl We must not allow compilation without static library on some platforms.
|
|
if test $static = no && test $shared = yes; then
|
|
case "$host_os" in
|
|
linux* | gnu*)
|
|
AC_MSG_ERROR([
|
|
*** You must compile with support for the static library since the shared
|
|
*** library uses it. Restart configure without \`--disable-static'.])
|
|
;;
|
|
*)
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
AC_CACHE_CHECK([whether -fPIC is default], pic_default,
|
|
[pic_default=yes
|
|
cat > conftest.c <<EOF
|
|
#if defined __PIC__ || defined __pic__ || defined PIC || defined pic
|
|
# error PIC is default.
|
|
#endif
|
|
EOF
|
|
if eval "${CC-cc} -S conftest.c 2>&AC_FD_CC 1>&AC_FD_CC"; then
|
|
pic_default=no
|
|
fi
|
|
rm -f conftest.*])
|
|
AC_SUBST(pic_default)
|
|
|
|
AC_SUBST(profile)
|
|
AC_SUBST(omitfp)
|
|
AC_SUBST(bounded)
|
|
AC_SUBST(static_nss)
|
|
AC_SUBST(nopic_initfini)
|
|
|
|
AC_SUBST(DEFINES)
|
|
|
|
if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
|
|
config_makefile=
|
|
else
|
|
config_makefile=Makefile
|
|
fi
|
|
|
|
VERSION=`sed -e 's/^#define VERSION "\([^"]*\)"/\1/p' -e d < $srcdir/version.h`
|
|
AC_SUBST(VERSION)
|
|
|
|
if test $libc_cv_gcc_pipe_bug = yes; then
|
|
realCC=$CC
|
|
CC=$makeCC
|
|
CFLAGS=$makeCFLAGS
|
|
fi
|
|
AC_OUTPUT_COMMANDS([
|
|
if test "$realCC"; then
|
|
sed -e 's/%{pipe:-}/%|/g' `$realCC -print-file-name=specs` >specsT
|
|
mv specsT specs
|
|
fi], [realCC=$realCC])
|
|
|
|
AC_OUTPUT(config.make glibcbug ${config_makefile} ${config_uname}, ,
|
|
[echo '$config_vars' >> config.make; test -d bits || mkdir bits])
|