mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-22 10:50:07 +00:00
5c2a0669c1
1998-12-08 Andreas Jaeger <aj@arthur.rhein-neckar.de> * posix/regex.c: Get regex.h from system path, not from local directory. * posix/regex.h: Move internal interfaces to ... * include/regex.h: ...here. * posix/unistd.h: Move internal interfaces to ... * include/unistd.h: ...here. * math/math.h: Move internal interfaces to ... * include/math.h: ...here. * posix/glob.h: Move internal interfaces to ... * include/glob.h: ...here. * string/string.h: Move internal interfaces to ... * include/string.h: ...here. * time/sys/time.h: Move internal interfaces to ... * include/sys/time.h: ...here. * resolv/netdb.h: Move internal interfaces to ... * include/netdb.h: ...here. 1998-12-08 Ulrich Drepper <drepper@cygnus.com> * iconvdata/eucjp.c: Handle Yen in overscore conversion from ISO 10646 correctly. * iconvdata/iso-2022-jp.c: Handle Kana in 2022-JP2 correctly Fix various bugs in conversion routine. * iconvdata/jis0201.h: Correct variable name. * iconvdata/jis0208.c: Correct script to generate tables and regenerate them. * iconvdata/jis0208.h: Likewise. * iconvdata/jis0212.c: Likewise. * iconvdata/sjis.c: Likewise. Patch by HANATAKA Shinya <hanataka@abyss.rim.or.jp>.
1234 lines
35 KiB
Plaintext
1234 lines
35 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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AC_CONFIG_AUX_DIR(scripts)
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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_WITH(cvs, dnl
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[ --without-cvs if CVS should not be used],
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with_cvs=$withval, with_cvs=yes)
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AC_SUBST(with_cvs)
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AC_ARG_WITH(headers, dnl
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[ --with-headers=PATH location of system headers to use
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[e.g. /usr/src/linux/include]
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[default=compiler default]],
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sysheaders=$withval, sysheaders='')
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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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dnl I've disabled this for now since we cannot build glibc without static
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dnl libraries built in the moment.
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dnl AC_ARG_ENABLE(static, dnl
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dnl [ --enable-static build static library [default=yes]],
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dnl static=$enableval, static=yes)
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static=yes
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AC_ARG_ENABLE(shared, dnl
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[ --enable-shared build shared library [default=yes if GNU ld & ELF]],
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shared=$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]...
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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) add_ons=`cd $srcdir && echo */configure | sed -e 's!/configure!!g'`
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test "$add_ons" = "*" && add_ons= ;;
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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_ARG_ENABLE(force-install,
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[ --disable-force-install don't force installation of files from this package,
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even if they are older than the installed files],
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force_install=$enableval, force_install=yes)
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AC_SUBST(force_install)
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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 $host_os | sed -e 's/gnu/gnu-gnu/'`
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;;
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esac
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# We keep the original values in `$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* | irix6*)
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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=$config_os
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###
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### I put this here to prevent those annoying emails from people who cannot
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### read and try to compile glibc on unsupported platforms. --drepper
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###
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### By using the undocumented --enable-hacker-mode option for configure
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### one can skip this test to make the configuration not fail for unsupported
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### platforms.
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###
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if test -z "$enable_hacker_mode"; then
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case "$machine-$host_os" in
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*-linux* | *-gnu* | arm*-none*)
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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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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
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case "`uname -m`" in
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IP22) machine=mips/mips3 ;;
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*) machine=mips/$machine ;;
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esac ;;
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sparc | sparcv[67])
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base_machine=sparc machine=sparc/sparc32 ;;
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sparcv8 | supersparc | hypersparc)
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base_machine=sparc machine=sparc/sparc32/sparcv8 ;;
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sparc64 | ultrasparc)
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base_machine=sparc machine=sparc/sparc64 ;;
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esac
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changequote([,])dnl
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AC_SUBST(base_machine)
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if test "$base_machine" = "i386"; then
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AC_DEFINE(USE_REGPARMS)
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fi
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||
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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 "$os" in
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gnu*)
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base_os=mach/hurd ;;
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netbsd* | 386bsd* | freebsd* | bsdi*)
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base_os=unix/bsd/bsd4.4 ;;
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osf* | sunos* | ultrix* | newsos* | dynix* | *bsd*)
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base_os=unix/bsd ;;
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sysv* | isc* | esix* | sco* | minix* | irix4* | linux*)
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base_os=unix/sysv ;;
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irix6*)
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base_os=unix/sysv/irix6/$os ;;
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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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||
|
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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 $tail | sed 's/[0-9]*$//'`
|
||
if test $o != $tail; then
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ostry="$ostry /$o"
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||
fi
|
||
# 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
|
||
set $b
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||
base="$base /$1"
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||
tail="$2"
|
||
done
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||
|
||
# For sparc/sparc9, try sparc/sparc9 and then sparc.
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||
mach=
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tail=$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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test "$v" = / && continue
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||
for o in /$ostry ''; do
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test "$o" = / && continue
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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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||
if test -d $srcdir/$try; 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 "$m0"; } && machine_used=t
|
||
fi
|
||
fi
|
||
done
|
||
done
|
||
done
|
||
done
|
||
done
|
||
done
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||
IFS="$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 $machine is not supported.)
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||
fi
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||
|
||
# We have now validated the configuration.
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||
|
||
|
||
# If using ELF, look for an `elf' subdirectory of each machine directory.
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# We prepend these rather than inserting them whereever the machine appears
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||
# because things specified by the machine's ELF ABI should override
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||
# OS-specific things, and should always be the same for any OS on the
|
||
# machine (otherwise what's the point of an ABI?).
|
||
if test "$elf" = yes; then
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elf_dirs=
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for d in $add_ons_pfx ''; do
|
||
for m in $mach; do
|
||
if test -d $srcdir/${d}sysdeps$m/elf; then
|
||
elf_dirs="$elf_dirs ${d}sysdeps$m/elf"
|
||
fi
|
||
done
|
||
done
|
||
sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames"
|
||
fi
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||
|
||
|
||
# Expand the list of system names into a full list of directories
|
||
# from each element's parent name and Implies file (if present).
|
||
set $sysnames
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||
names=
|
||
while test $# -gt 0; do
|
||
name=$1
|
||
shift
|
||
|
||
case " $names " in *" $name "*)
|
||
# Already in the list.
|
||
continue
|
||
esac
|
||
|
||
# Report each name as we discover it, so there is no long pause in output.
|
||
echo $ac_n "$name $ac_c" >&AC_FD_MSG
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||
|
||
name_base=`echo $name | sed -e 's@\(.*sysdeps\)/.*@\1@'`
|
||
|
||
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 $sysnames
|
||
done
|
||
|
||
# Add the default directories.
|
||
default_sysnames=sysdeps/generic
|
||
if test "$elf" = yes; then
|
||
default_sysnames="sysdeps/generic/elf $default_sysnames"
|
||
fi
|
||
sysnames="$names $default_sysnames"
|
||
AC_SUBST(sysnames)
|
||
# The other names were emitted during the scan.
|
||
AC_MSG_RESULT($default_sysnames)
|
||
|
||
|
||
### 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
|
||
|
||
# These programs are version sensitive.
|
||
AC_REQUIRE([AC_CHECK_TOOL_PREFIX])dnl
|
||
AC_CHECK_PROG_VER(CC, ${ac_tool_prefix}gcc ${ac_tool_prefix}cc, -v,
|
||
[version \([egcygnustp-]*[0-9.]*\)],
|
||
[egcs-2.9[1-9].*|egcs-2.90.2[789]|egcs-2.90.[3-9][0-9]|pgcc-2.9[1-9].*|pgcc-2.90.2[789]|pgcc-2.90.[3-9][0-9]|*2.8.[1-9]*|*2.9|*2.9.[0-9]*|cygnus-2.9[1-9].*],
|
||
critic_missing=t)
|
||
AC_CHECK_PROG_VER(MAKE, make gmake, --version,
|
||
[version \([0-9][0-9.]*\), by],
|
||
[3.75 | 3.76.[1-9]* | 3.7[789]* | 3.[89]*], critic_missing=t)
|
||
|
||
AC_CHECK_PROG_VER(MSGFMT, msgfmt gmsgfmt, --version,
|
||
[GNU gettext.* \([0-9]*\.[0-9.]*\)],
|
||
[0.[1-9][0-9].* | [1-9].*], MSGFMT=: aux_missing=t)
|
||
AC_CHECK_PROG_VER(MAKEINFO, makeinfo, --version,
|
||
[GNU texinfo.* \([0-9][0-9.]*\)],
|
||
[3.1[1-9] | 3.[2-9][0-9] | 1.6[89] | 1.7[0-9]], MAKEINFO=: aux_missing=t)
|
||
|
||
if test -n "$critic_missing"; then
|
||
AC_MSG_ERROR([
|
||
*** Some critical program is missing or too old.
|
||
*** Check the INSTALL file for required versions.])
|
||
fi
|
||
|
||
test -n "$aux_missing" && AC_MSG_WARN([
|
||
*** An auxiliary program is missing or too old;
|
||
*** some features will be disabled.
|
||
*** Check the INSTALL file for required versions.])
|
||
|
||
AC_PROG_CC_LOCAL
|
||
AC_CANONICAL_BUILD
|
||
if test $host != $build; then
|
||
AC_CHECK_PROGS(BUILD_CC, gcc cc)
|
||
fi
|
||
AC_SUBST(cross_compiling)
|
||
AC_PROG_CPP
|
||
LIBC_PROG_BINUTILS
|
||
AC_CHECK_TOOL(MIG, mig)
|
||
|
||
# if using special system headers, find out the compiler's sekrit
|
||
# header directory and add that to the list. NOTE: Only does the right
|
||
# thing on a system that doesn't need fixincludes. (Not presently a problem.)
|
||
if test -n "$sysheaders"; then
|
||
ccheaders=`$CC -print-file-name=include`
|
||
SYSINCLUDES="-nostdinc -isystem $ccheaders -isystem $sysheaders"
|
||
fi
|
||
AC_SUBST(SYSINCLUDES)
|
||
|
||
# check if ranlib is necessary
|
||
AC_CACHE_CHECK(whether ranlib is necessary, libc_cv_ranlib_necessary, [dnl
|
||
cat > conftest.c <<EOF
|
||
int a;
|
||
char b;
|
||
void c(void) {}
|
||
EOF
|
||
$CC $CFLAGS -c conftest.c
|
||
$AR cr conftest.a conftest.c
|
||
cp conftest.a conftest2.a
|
||
$RANLIB conftest.a
|
||
if cmp -s conftest.a conftest2.a; then
|
||
libc_cv_ranlib_necessary=no
|
||
else
|
||
libc_cv_ranlib_necessary=yes
|
||
fi
|
||
rm -rf conftest*])
|
||
if test "$libc_cv_ranlib_necessary" = no; then
|
||
RANLIB=:
|
||
fi
|
||
|
||
# Test if LD_LIBRARY_PATH contains the notation for the current directory
|
||
# since this would lead to problems installing/building glibc.
|
||
# LD_LIBRARY_PATH contains the current directory if one of the following
|
||
# is true:
|
||
# - one of the terminals (":" and ";") is the first or last sign
|
||
# - two terminals occur directly after each other
|
||
# - the path contains an element with a dot in it
|
||
AC_MSG_CHECKING(LD_LIBRARY_PATH variable)
|
||
changequote(,)dnl
|
||
case ${LD_LIBRARY_PATH} in
|
||
[:\;]* | *[:\;] | *[:\;][:\;]* | *[:\;]. | .[:\;]*| . | *[:\;].[:\;]* )
|
||
ld_library_path_setting="contains current directory"
|
||
;;
|
||
*)
|
||
ld_library_path_setting="ok"
|
||
;;
|
||
esac
|
||
changequote([,])dnl
|
||
AC_MSG_RESULT($ld_library_path_setting)
|
||
if test "$ld_library_path_setting" != "ok"; then
|
||
AC_MSG_ERROR([
|
||
*** LD_LIBRARY_PATH shouldn't contain the current directory when
|
||
*** building glibc. Please change the environment variable
|
||
*** and run configure again.])
|
||
fi
|
||
|
||
AC_PATH_PROG(BASH, bash, no)
|
||
if test "$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_PROG_AWK
|
||
AC_PATH_PROG(PERL, perl, no)
|
||
AC_SUBST(PERL)
|
||
dnl This works around a bug in autoconf.
|
||
install_info_path=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin
|
||
AC_PATH_PROG(INSTALL_INFO, install-info, no, $install_info_path)
|
||
AC_SUBST(INSTALL_INFO)
|
||
if test "$INSTALL_INFO" != "no"; then
|
||
AC_CACHE_CHECK(for old Debian install-info, libc_cv_old_debian_install_info,
|
||
[mkdir conftest.d
|
||
# There is a hard ^_ on the next line. I am open to better ideas.
|
||
(echo ' '
|
||
echo 'File: dir Node: Top This is the top of the INFO tree'
|
||
echo '* Menu:') >conftest.d/dir
|
||
(echo 'INFO-DIR-SECTION i-d-s works'
|
||
echo 'START-INFO-DIR-ENTRY'
|
||
echo '* Prog: (prog). Program.'
|
||
echo 'END-INFO-DIR-ENTRY') >conftest.d/prog.info
|
||
if $INSTALL_INFO --info-dir=conftest.d conftest.d/prog.info >&AC_FD_CC 2>&1
|
||
then
|
||
if grep -s 'i-d-s works' conftest.d/dir >/dev/null
|
||
then libc_cv_old_debian_install_info=no
|
||
else libc_cv_old_debian_install_info=yes
|
||
fi
|
||
else libc_cv_old_debian_install_info=no testfailed=t
|
||
fi
|
||
rm -fr conftest.d])
|
||
if test -n "$testfailed"
|
||
then AC_MSG_WARN([install-info errored out, check config.log])
|
||
fi
|
||
OLD_DEBIAN_INSTALL_INFO=$libc_cv_old_debian_install_info
|
||
fi
|
||
AC_SUBST(OLD_DEBIAN_INSTALL_INFO)
|
||
|
||
AC_CACHE_CHECK(for signed size_t type, libc_cv_signed_size_t, [dnl
|
||
echo '#include <stddef.h>
|
||
FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
|
||
if eval "$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
|
||
|
||
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-2.8.1.0.23 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
|
||
fi
|
||
|
||
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 bar foo
|
||
.weakext baz
|
||
${libc_cv_asm_global_directive} baz
|
||
baz:
|
||
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
|
||
|
||
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*])
|
||
if test $libc_cv_ld_no_whole_archive = yes; then
|
||
no_whole_archive=-Wl,--no-whole-archive
|
||
fi
|
||
AC_SUBST(no_whole_archive)dnl
|
||
|
||
AC_CACHE_CHECK(for gcc -fexceptions, libc_cv_gcc_exceptions, [dnl
|
||
cat > conftest.c <<\EOF
|
||
_start () {}
|
||
int __eh_pc;
|
||
__throw () {}
|
||
EOF
|
||
dnl No \ in command here because it ends up inside ''.
|
||
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
|
||
-nostdlib -nostartfiles -fexceptions
|
||
-o conftest conftest.c 1>&AC_FD_CC]); then
|
||
libc_cv_gcc_exceptions=yes
|
||
else
|
||
libc_cv_gcc_exceptions=no
|
||
fi
|
||
rm -f conftest*])
|
||
if test $libc_cv_gcc_exceptions = yes; then
|
||
exceptions=-fexceptions
|
||
fi
|
||
AC_SUBST(exceptions)dnl
|
||
|
||
if test "$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
|
||
|
||
if test "$host_cpu" = powerpc ; then
|
||
# Check for a bug present in at least versions 2.8.x of GCC
|
||
# and versions 1.0.x of EGCS.
|
||
AC_CACHE_CHECK(whether clobbering cr0 causes problems,libc_cv_c_asmcr0_bug,[dnl
|
||
AC_TRY_COMPILE([int tester(int x) { asm ("" : : : "cc"); return x & 123; }],,
|
||
libc_cv_c_asmcr0_bug='no',
|
||
libc_cv_c_asmcr0_bug='yes')])
|
||
if test "$libc_cv_c_asmcr0_bug" != 'no'; then
|
||
AC_DEFINE(BROKEN_PPC_ASM_CR0)
|
||
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 $libc_cv_gcc_dwarf2_unwind_info in
|
||
yes)
|
||
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO)
|
||
;;
|
||
static)
|
||
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO)
|
||
AC_DEFINE(HAVE_DWARF2_UNWIND_INFO_STATIC)
|
||
;;
|
||
esac
|
||
|
||
dnl Check whether compiler understands __builtin_expect.
|
||
AC_CACHE_CHECK(for __builtin_expect, libc_cv_gcc_builtin_expect,
|
||
[cat > conftest.c <<EOF
|
||
#line __oline__ "configure"
|
||
int foo (int a)
|
||
{
|
||
a = __builtin_expect (a, 10);
|
||
return a == 10 ? 0 : 1;
|
||
}
|
||
EOF
|
||
dnl No \ in command here because it ends up inside ''.
|
||
if AC_TRY_COMMAND([${CC-cc} $CFLAGS -nostdlib -nostartfiles
|
||
-o conftest conftest.c -lgcc >&AC_FD_CC]); then
|
||
libc_cv_gcc_builtin_expect=yes
|
||
else
|
||
libc_cv_gcc_builtin_expect=no
|
||
fi
|
||
rm -f conftest*])
|
||
if test "$libc_cv_gcc_builtin_expect" = yes; then
|
||
AC_DEFINE(HAVE_BUILTIN_EXPECT)
|
||
fi
|
||
|
||
### 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=
|
||
|
||
# They also can set these variables.
|
||
ldd_rewrite_script=no
|
||
|
||
# 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)
|
||
|
||
# Test for old glibc 2.0.x headers so that they can be removed properly
|
||
# Search only in includedir.
|
||
AC_MSG_CHECKING(for old glibc 2.0.x headers)
|
||
if eval test -f "${includedir}/elfclass.h" -a -f "${includedir}/fcntlbits.h"
|
||
then
|
||
old_glibc_headers=yes
|
||
else
|
||
old_glibc_headers=no
|
||
fi
|
||
AC_MSG_RESULT($old_glibc_headers)
|
||
if test ${old_glibc_headers} = yes; then
|
||
AC_MSG_WARN(*** During \"make install\" old headers from glibc 2.0.x will)
|
||
AC_MSG_WARN(*** be removed.)
|
||
fi
|
||
AC_SUBST(old_glibc_headers)
|
||
|
||
AC_SUBST(libc_cv_slibdir)
|
||
AC_SUBST(libc_cv_sysconfdir)
|
||
AC_SUBST(libc_cv_rootsbindir)
|
||
|
||
AC_SUBST(has_ldconfig)
|
||
AC_SUBST(ldd_rewrite_script)
|
||
|
||
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
|
||
|
||
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 "${CC-cc} -S conftest.c 2>&AC_FD_CC 1>&AC_FD_CC"; then
|
||
pic_default=no
|
||
fi
|
||
rm -f conftest.*])
|
||
AC_SUBST(pic_default)
|
||
|
||
AC_SUBST(profile)
|
||
AC_SUBST(omitfp)
|
||
AC_SUBST(bounded)
|
||
AC_SUBST(static_nss)
|
||
AC_SUBST(nopic_initfini)
|
||
|
||
AC_SUBST(DEFINES)
|
||
|
||
case "$add_ons" in
|
||
*door*) linux_doors=yes ;;
|
||
*) linux_doors=no ;;
|
||
esac
|
||
AC_SUBST(linux_doors)
|
||
|
||
if test "`(cd $srcdir; pwd)`" = "`pwd`"; then
|
||
config_makefile=
|
||
else
|
||
config_makefile=Makefile
|
||
fi
|
||
|
||
VERSION=`sed -n -e 's/^#define VERSION "\([^"]*\)"/\1/p' < $srcdir/version.h`
|
||
RELEASE=`sed -n -e 's/^#define RELEASE "\([^"]*\)"/\1/p' < $srcdir/version.h`
|
||
AC_SUBST(VERSION)
|
||
AC_SUBST(RELEASE)
|
||
|
||
AC_OUTPUT(config.make glibcbug ${config_makefile} ${config_uname}, [
|
||
case $CONFIG_FILES in *config.make*)
|
||
echo "$config_vars" >> config.make;;
|
||
esac
|
||
test -d bits || mkdir bits], [config_vars='$config_vars'])
|