dnl Process this file with autoconf to produce a configure script.
AC_REVISION([$CVSid$])
-AC_PREREQ(2.11)dnl dnl Minimum Autoconf version required.
+AC_PREREQ(2.13)dnl dnl Minimum Autoconf version required.
AC_INIT(include/features.h)
AC_CONFIG_HEADER(config.h)
AC_CONFIG_AUX_DIR(scripts)
gettext-srcdir = $withval" ;;
esac
])
+# Check for a --with-gd argument and set libgd-LDFLAGS in config.make.
+AC_ARG_WITH(gd, dnl
+ --with-gd=DIR find libgd include dir and library with prefix DIR,
+ [dnl
+case "$with_gd" in
+yes|''|no) ;;
+*) libgd_include="-I$withval/include"
+ libgd_ldflags="-L$withval/lib" ;;
+esac
+])
+AC_ARG_WITH(gd-include, dnl
+ --with-gd-include=DIR find libgd include files in DIR,
+ [dnl
+case "$with_gd_include" in
+''|no) ;;
+*) libgd_include="-I$withval" ;;
+esac
+])
+AC_ARG_WITH(gd-lib, dnl
+ --with-gd-lib=DIR find libgd library files in DIR,
+ [dnl
+case "$with_gd_lib" in
+''|no) ;;
+*) libgd_ldflags="-L$withval" ;;
+esac
+])
+
+if test -n "$libgd_include"; then
+ config_vars="$config_vars
+CFLAGS-memprofstat.c = $libgd_include"
+fi
+if test -n "$libgd_ldflags"; then
+ config_vars="$config_vars
+libgd-LDFLAGS = $libgd_ldflags"
+fi
dnl Arguments to specify presence of other packages/features.
AC_ARG_WITH(fp, dnl
dnl Arguments to enable or disable building the static, shared, profiled,
dnl and -fomit-frame-pointer libraries.
-AC_ARG_ENABLE(static, dnl
-[ --enable-static build static library [default=yes]],
- static=$enableval, static=yes)
+dnl I've disabled this for now since we cannot build glibc without static
+dnl libraries built in the moment.
+dnl AC_ARG_ENABLE(static, dnl
+dnl [ --enable-static build static library [default=yes]],
+dnl static=$enableval, static=yes)
+static=yes
AC_ARG_ENABLE(shared, dnl
[ --enable-shared build shared library [default=yes if GNU ld & ELF]],
shared=$enableval, shared=default)
configure and build add-ons in DIR1,DIR2,...
search for add-ons if no parameter given],
[case "$enableval" in
- yes) if test "$srcdir" = "."; then
- add_ons=`echo */configure | sed -e 's!/configure!!g'`
- else
- add_ons=`echo $srcdir/*/configure | \
- sed -e 's!/configure!!g' -e "s!$srcdir/!!g"`
- fi;;
+ yes) add_ons=`cd $srcdir && echo */configure | sed -e 's!/configure!!g'`
+ test "$add_ons" = "*" && add_ons= ;;
*) add_ons=`echo "$enableval" | sed 's/,/ /g'`;;
esac],
[add_ons=])
force_install=$enableval, force_install=yes)
AC_SUBST(force_install)
+dnl On some platforms we allow dropping compatibility with all kernel
+dnl versions.
+AC_ARG_ENABLE(kernel,
+[ --enable-kernel=VERSION compile for compatibility with kernel not older
+ than VERSION],
+ minimum_kernel=$enableval)
+dnl Prevent unreasonable values.
+if test "$minimum_kernel" = yes || test "$minimum_kernel" = no; then
+ # Better nothing than this.
+ minimum_kernel=""
+else
+ if test "$minimum_kernel" = current; then
+ minimum_kernel=`uname -r 2>/dev/null` || minimum_kernel=
+ fi
+fi
+
AC_CANONICAL_HOST
# The way shlib-versions is used to generate soversions.mk uses a
;;
esac
-###
-### I put this here to prevent those annoying emails from people who cannot
-### read and try to compile glibc on unsupported platforms. --drepper
-###
-### By using the undocumented --enable-hacker-mode option for configure
-### one can skip this test to make the configuration not fail for unsupported
-### platforms.
-###
-if test -z "$enable_hacker_mode"; then
- case "$machine-$host_os" in
- *-linux* | *-gnu* | arm*-none*)
- ;;
- *)
- echo "*** The GNU C library is currently not available for this platform."
- echo "*** So far nobody cared to port it and if there is no volunteer it"
- echo "*** might never happen. So, if you have interest to see glibc on"
- echo "*** this platform visit"
- echo "*** http://www.gnu.org/software/libc/porting.html"
- echo "*** and join the group of porters"
- exit 1
- ;;
- esac
-fi
-
# We keep the original values in `$config_*' and never modify them, so we
# can write them unchanged into config.make. Everything else uses
# $machine, $vendor, and $os, and changes them whenever convenient.
vendor=$config_vendor
os=$config_os
+###
+### I put this here to prevent those annoying emails from people who cannot
+### read and try to compile glibc on unsupported platforms. --drepper
+###
+### By using the undocumented --enable-hacker-mode option for configure
+### one can skip this test to make the configuration not fail for unsupported
+### platforms.
+###
+if test -z "$enable_hacker_mode"; then
+ case "$machine-$host_os" in
+ *-linux* | *-gnu* | arm*-none* | powerpc-aix4.3.*)
+ ;;
+ *)
+ echo "*** The GNU C library is currently not available for this platform."
+ echo "*** So far nobody cared to port it and if there is no volunteer it"
+ echo "*** might never happen. So, if you have interest to see glibc on"
+ echo "*** this platform visit"
+ echo "*** http://www.gnu.org/software/libc/porting.html"
+ echo "*** and join the group of porters"
+ exit 1
+ ;;
+ esac
+fi
+
dnl We need to use [ and ] for other purposes for a while now.
changequote(,)dnl
# Expand the configuration machine name into a subdirectory by architecture
mips*) base_machine=mips
case "`uname -m`" in
IP22) machine=mips/mips3 ;;
- *) machine=mips/$machine ,,
+ *) machine=mips/$machine ;;
esac ;;
sparc | sparcv[67])
base_machine=sparc machine=sparc/sparc32 ;;
sparcv8 | supersparc | hypersparc)
base_machine=sparc machine=sparc/sparc32/sparcv8 ;;
+sparcv8plus | sparcv8plusa | sparcv9)
+ base_machine=sparc machine=sparc/sparc32/sparcv9 ;;
sparc64 | ultrasparc)
base_machine=sparc machine=sparc/sparc64 ;;
esac
base_os=unix/sysv/irix6/$os ;;
solaris[2-9]*)
base_os=unix/sysv/sysv4 ;;
+hpux*)
+ base_os=unix/sysv/hpux/$os ;;
+aix4.3*)
+ base_os=unix/sysv/aix/aix4.3 ;;
none)
base_os=standalone ;;
*)
tail="$2"
done
-# For sparc/sparc9, try sparc/sparc9 and then sparc.
+# For sparc/sparc32, try sparc/sparc32 and then sparc.
mach=
tail=$machine
while m=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$m"; do
try="${d}sysdeps$m0$b$v$o$m"
test -n "$enable_debug_configure" &&
echo "$0 [DEBUG]: try $try" >&2
- case $try in
- /*) dest=$try ;;
- *) dest=$srcdir/$try ;;
- esac
- if test -d $dest; then
+ if test -d $srcdir/$try; then
sysnames="$sysnames $try"
{ test -n "$o" || test -n "$b"; } && os_used=t
{ test -n "$m" || test -n "$m0"; } && machine_used=t
if test "$elf" = yes; then
elf_dirs=
for d in $add_ons_pfx ''; do
- case $d in
- /*) xsrcdir= ;;
- *) xsrcdir=$srcdir/ ;;
- esac
for m in $mach; do
- if test -d $xsrcdir${d}sysdeps$m/elf; then
+ if test -d $srcdir/${d}sysdeps$m/elf; then
elf_dirs="$elf_dirs ${d}sysdeps$m/elf"
fi
done
done
# Add the default directories.
-sysnames="$names sysdeps/generic"
+default_sysnames=sysdeps/generic
+if test "$elf" = yes; then
+ default_sysnames="sysdeps/generic/elf $default_sysnames"
+fi
+sysnames="$names $default_sysnames"
AC_SUBST(sysnames)
# The other names were emitted during the scan.
-AC_MSG_RESULT(sysdeps/generic)
+AC_MSG_RESULT($default_sysnames)
### Locate tools.
AC_PROG_INSTALL
-if test "$INSTALL" = "${srcdir}/install-sh -c"; then
+if test "$INSTALL" = "${srcdir}/scripts/install-sh -c"; then
# The makefiles need to use a different form to find it in $srcdir.
- INSTALL='\$(..)./install-sh -c'
+ INSTALL='\$(..)./scripts/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 \([egcst0-9.-]*\)],
- [egcs-2.91.*|egcs-2.90.2[789]|egcs-2.90.[3-9][0-9]|*2.8.[1-9]*|*2.9.[0-9]*],
+ [version \([egcygnustp-]*[0-9.]*\)],
+ [egcs-2.9[1-9].*|egcs-2.90.2[789]|egcs-2.90.[3-9][0-9]|*gcc-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]*|2.9[5-9]*|cygnus-2.9[1-9]*|gcc-2.9[5-9]|gcc-2.1[0-9][0-9]],
critic_missing=t)
-AC_CHECK_PROG_VER(MAKE, make gmake, --version,
- [version \([0-9][0-9.]*\), by],
+AC_CHECK_PROG_VER(MAKE, gnumake gmake make, --version,
+ [GNU Make[^0-9]*\([0-9][0-9.]*\)],
[3.75 | 3.76.[1-9]* | 3.7[789]* | 3.[89]*], critic_missing=t)
-AC_CHECK_PROG_VER(MSGFMT, msgfmt gmsgfmt, --version,
- [GNU gettext.*\([0-9][0-9]*\.[0-9]*\)],
- [0.[1-9][0-9] | [1-9].*], MSGFMT=: aux_missing=t)
+AC_CHECK_PROG_VER(MSGFMT, gnumsgfmt gmsgfmt msgfmt, --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]], MAKEINFO=: aux_missing=t)
+ [GNU texinfo.* \([0-9][0-9.]*\)],
+ [3.1[1-9] | 3.[2-9][0-9] | 4.* | 1.6[89] | 1.7[0-9]], MAKEINFO=: aux_missing=t)
+AC_CHECK_PROG_VER(SED, gsed sed, --version,
+ [GNU sed version \([0-9]*\.[0-9.]*\)],
+ [3.02], SED=: aux_missing=t)
if test -n "$critic_missing"; then
AC_MSG_ERROR([
*** some features will be disabled.
*** Check the INSTALL file for required versions.])
+# glibcbug.in wants to know the compiler version.
+CCVERSION=`$CC -v 2>&1 | sed -n 's/gcc version //p'`
+AC_SUBST(CCVERSION)
+
AC_PROG_CC_LOCAL
AC_CANONICAL_BUILD
if test $host != $build; then
AC_SUBST(cross_compiling)
AC_PROG_CPP
LIBC_PROG_BINUTILS
-AC_CHECK_TOOL(AR, ar)
-AC_CHECK_TOOL(RANLIB, ranlib, :)
AC_CHECK_TOOL(MIG, mig)
# if using special system headers, find out the compiler's sekrit
AC_SUBST(libc_cv_have_ksh)
AC_PROG_AWK
-AC_PATH_PROGS(PERL, perl, no)
+AC_PATH_PROG(PERL, perl, no)
AC_SUBST(PERL)
+AC_PATH_PROG(INSTALL_INFO, install-info, no,
+ $PATH:/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin)
+AC_SUBST(INSTALL_INFO)
+if test "$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 '\1f'
+ 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>
asm-CPPFLAGS = -P # The assembler can't grok cpp's # line directives."
fi
+AC_MSG_CHECKING(whether .text pseudo-op must be used)
+AC_CACHE_VAL(libc_cv_dot_text, [dnl
+cat > conftest.s <<EOF
+.text
+EOF
+libc_cv_dot_text=
+if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
+ libc_cv_dot_text=.text
+fi
+rm -f conftest*])
+if test -z "$libc_cv_dot_text"; then
+ AC_MSG_RESULT(no)
+else
+ AC_MSG_RESULT(yes)
+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
+for ac_globl in .globl .global .EXPORT; do
cat > conftest.s <<EOF
-.text
-${ac_globl} foo
+ ${libc_cv_dot_text}
+ ${ac_globl} foo
foo:
EOF
if ${CC-cc} $CFLAGS -c conftest.s 2>/dev/null; then
AC_CACHE_CHECK(for .set assembler directive, libc_cv_asm_set_directive, [dnl
cat > conftest.s <<EOF
-.text
+${libc_cv_dot_text}
foo:
.set glibc_conftest_frobozz,foo
$libc_cv_asm_global_directive glibc_conftest_frobozz
AC_CACHE_CHECK(for .symver assembler directive, libc_cv_asm_symver_directive,
[cat > conftest.s <<EOF
-.text
+${libc_cv_dot_text}
_sym:
.symver _sym,sym@VERS
EOF
AC_CACHE_CHECK(for ld --version-script, libc_cv_ld_version_script_option, [dnl
if test $libc_cv_asm_symver_directive = yes; then
cat > conftest.s <<EOF
-.text
+${libc_cv_dot_text}
_sym:
.symver _sym,sym@VERS
EOF
*** 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)."
+*** For versioning you need recent binutils (binutils-2.8.1.0.23 or newer)."
fi
if test $elf = yes; then
AC_CACHE_CHECK(for .previous assembler directive,
AC_CACHE_CHECK(for .init and .fini sections, libc_cv_have_initfini,
[AC_TRY_COMPILE(, [asm (".section .init");
asm (".section .fini");
- asm (".text");],
+ asm ("${libc_cv_dot_text}");],
libc_cv_have_initfini=yes,
libc_cv_have_initfini=no)])
AC_SUBST(libc_cv_have_initfini)dnl
fi
AC_CACHE_CHECK(for assembler .weak directive, libc_cv_asm_weak_directive,
- [dnl
+ [dnl
cat > conftest.s <<EOF
-.text
+${libc_cv_dot_text}
${libc_cv_asm_global_directive} foo
foo:
.weak foo
libc_cv_asm_weakext_directive,
[dnl
cat > conftest.s <<EOF
-.text
+${libc_cv_dot_text}
${libc_cv_asm_global_directive} foo
foo:
.weakext bar foo
fi
AC_SUBST(no_whole_archive)dnl
-AC_CACHE_CHECK(for gcc -fno-exceptions, libc_cv_gcc_no_exceptions, [dnl
+AC_CACHE_CHECK(for gcc -fexceptions, libc_cv_gcc_exceptions, [dnl
cat > conftest.c <<\EOF
_start () {}
int __eh_pc;
EOF
dnl No \ in command here because it ends up inside ''.
if AC_TRY_COMMAND([${CC-cc} $CFLAGS
- -nostdlib -nostartfiles -fno-exceptions
+ -nostdlib -nostartfiles -fexceptions
-o conftest conftest.c 1>&AC_FD_CC]); then
- libc_cv_gcc_no_exceptions=yes
+ libc_cv_gcc_exceptions=yes
else
- libc_cv_gcc_no_exceptions=no
+ libc_cv_gcc_exceptions=no
fi
rm -f conftest*])
-if test $libc_cv_ld_no_whole_archive = yes; then
- no_exceptions=-fno-exceptions
+if test $libc_cv_gcc_exceptions = yes; then
+ exceptions=-fexceptions
fi
-AC_SUBST(no_exceptions)dnl
+AC_SUBST(exceptions)dnl
if test "$base_machine" = alpha ; then
AC_CACHE_CHECK(for function ..ng prefix, libc_cv_gcc_alpha_ng_prefix, [dnl
;;
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
+
+dnl Check whether the compiler supports subtraction of local labels.
+AC_CACHE_CHECK(for local label subtraction, libc_cv_gcc_subtract_local_labels,
+[cat > conftest.c <<EOF
+changequote(,)dnl
+#line __oline__ "configure"
+int foo (int a)
+{
+ static const int ar[] = { &&l1 - &&l1, &&l2 - &&l1 };
+ void *p = &&l1 + ar[a];
+ goto *p;
+ l1:
+ return 1;
+ l2:
+ return 2;
+}
+changequote([,])dnl
+EOF
+dnl No \ in command here because it ends up inside ''.
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -nostdlib -nostartfiles
+ -o conftest conftest.c -lgcc >&AC_FD_CC]); then
+ libc_cv_gcc_subtract_local_labels=yes
+else
+ libc_cv_gcc_subtract_local_labels=no
+fi
+rm -f conftest*])
+if test "$libc_cv_gcc_subtract_local_labels" = yes; then
+ AC_DEFINE(HAVE_SUBTRACT_LOCAL_LABELS)
+fi
+
+dnl Check whether we have the gd library available.
+AC_MSG_CHECKING(for libgd)
+old_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS $libgd_include"
+old_LDFLAGS="$LDFLAGS"
+LDFLAGS="$LDFLAGS $libgd_ldflags"
+old_LIBS="$LIBS"
+LIBS="$LIBS -lgd -lpng -lz"
+AC_TRY_LINK([#include <gd.h>], [gdImagePng (0, 0)], LIBGD=yes, LIBGD=no)
+CFLAGS="$old_CFLAGS"
+LDFLAGS="$old_LDFLAGS"
+LIBS="$old_LIBS"
+AC_MSG_RESULT($LIBGD)
+AC_SUBST(LIBGD)
+
### End of automated tests.
### Now run sysdeps configure fragments.
libc_link_sources=
# They also can set these variables.
+use_ldconfig=no
ldd_rewrite_script=no
# Iterate over all the sysdep directories we will use, running their
esac
AC_MSG_RESULT($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)
+# 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 ${old_glibc_headers} = yes; then
+ AC_MSG_WARN(*** During \"make install\" old headers from glibc 2.0.x will)
+ AC_MSG_WARN(*** be removed.)
+fi
+AC_SUBST(old_glibc_headers)
AC_SUBST(libc_cv_slibdir)
+AC_SUBST(libc_cv_localedir)
AC_SUBST(libc_cv_sysconfdir)
AC_SUBST(libc_cv_rootsbindir)
-AC_SUBST(has_ldconfig)
+AC_SUBST(use_ldconfig)
AC_SUBST(ldd_rewrite_script)
AC_SUBST(gnu_ld) AC_SUBST(gnu_as) AC_SUBST(elf)
AC_SUBST(DEFINES)
+case "$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
AC_SUBST(VERSION)
AC_SUBST(RELEASE)
+echo '*** Do NOT install this release on any production system!'
+echo '*** It is known to be broken and will be so for quite some time.'
+echo '*** Use the latest released version instead.'
+
AC_OUTPUT(config.make glibcbug ${config_makefile} ${config_uname}, [
case $CONFIG_FILES in *config.make*)
echo "$config_vars" >> config.make;;
projects / platform / upstream / glibc.git / blobdiff