#! /bin/sh
-# From configure.in CVSid.
# Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.66 for GNU C Library (see version.h).
+# Generated by GNU Autoconf 2.68 for GNU C Library (see version.h).
#
-# Report bugs to <glibc>.
+# Report bugs to <http://sourceware.org/bugzilla/>.
#
#
# Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
IFS=" "" $as_nl"
# Find who we are. Look in the path if we contain no directory separator.
+as_myself=
case $0 in #((
*[\\/]* ) as_myself=$0 ;;
*) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
# We cannot yet assume a decent shell, so we have to provide a
# neutralization value for shells without unset; and this also
# works around shells that cannot unset nonexistent variables.
+ # Preserve -v and -x to the replacement shell.
BASH_ENV=/dev/null
ENV=/dev/null
(unset BASH_ENV) >/dev/null 2>&1 && unset BASH_ENV ENV
export CONFIG_SHELL
- exec "$CONFIG_SHELL" "$as_myself" ${1+"$@"}
+ case $- in # ((((
+ *v*x* | *x*v* ) as_opts=-vx ;;
+ *v* ) as_opts=-v ;;
+ *x* ) as_opts=-x ;;
+ * ) as_opts= ;;
+ esac
+ exec "$CONFIG_SHELL" $as_opts "$as_myself" ${1+"$@"}
fi
if test x$as_have_required = xno; then :
$as_echo "$0: In particular, zsh $ZSH_VERSION has bugs and should"
$as_echo "$0: be upgraded to zsh 4.3.4 or later."
else
- $as_echo "$0: Please tell bug-autoconf@gnu.org and glibc about your
-$0: system, including any error possibly output before this
+ $as_echo "$0: Please tell bug-autoconf@gnu.org and
+$0: http://sourceware.org/bugzilla/ about your system,
+$0: including any error possibly output before this
$0: message. Then install a modern shell, or manually run
$0: the script under such a shell if you do have one."
fi
# Identity of this package.
PACKAGE_NAME='GNU C Library'
-PACKAGE_TARNAME='c-library'
+PACKAGE_TARNAME='glibc'
PACKAGE_VERSION='(see version.h)'
PACKAGE_STRING='GNU C Library (see version.h)'
-PACKAGE_BUGREPORT='glibc'
-PACKAGE_URL='http://www.gnu.org/software/c-library/'
+PACKAGE_BUGREPORT='http://sourceware.org/bugzilla/'
+PACKAGE_URL='http://www.gnu.org/software/glibc/'
ac_unique_file="include/features.h"
enable_option_checking=no
VERSION
mach_interface_list
DEFINES
-nopic_initfini
static_nss
-bounded
-omitfp
profile
libc_cv_pic_default
shared
static
-xcoff
-elf
ldd_rewrite_script
use_ldconfig
libc_cv_as_i686
+libc_cv_cc_fma4
libc_cv_cc_novzeroupper
+libc_cv_cc_sse2avx
libc_cv_cc_avx
libc_cv_cc_sse4
libc_cv_cpp_asm_debuginfo
LIBGD
libc_cv_cc_submachine
exceptions
-no_whole_archive
-libc_cv_have_initfini
gnu89_inline
libc_cv_ssp
fno_unit_at_a_time
+libc_cv_output_format
libc_cv_hashstyle
libc_cv_fpie
libc_cv_z_execstack
CXX_SYSINCLUDES
SYSINCLUDES
AUTOCONF
+READELF
SED
MAKEINFO
MSGFMT
MAKE
-PWD_P
LD
AS
MIG
-RANLIB
+OBJCOPY
OBJDUMP
AR
LN_S
add_on_subdirs
add_ons
libc_cv_nss_crypt
-experimental_malloc
all_warnings
force_install
bindnow
oldest_abi
enable_check_abi
-with_cvs
+use_default_link
with_fp
ac_ct_CXX
CXXFLAGS
with_gd_lib
with_fp
with_binutils
-with_elf
with_selinux
-with_xcoff
-with_cvs
with_headers
+with_default_link
enable_sanity_checks
enable_check_abi
enable_shared
enable_profile
-enable_omitfp
-enable_bounded
enable_versioning
enable_oldest_abi
enable_stackguard_randomization
enable_add_ons
-with_tls
-with___thread
enable_hidden_plt
enable_bind_now
enable_static_nss
enable_kernel
enable_all_warnings
enable_multi_arch
-enable_experimental_malloc
enable_nss_crypt
with_cpu
'
fi
case $ac_option in
- *=*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
- *) ac_optarg=yes ;;
+ *=?*) ac_optarg=`expr "X$ac_option" : '[^=]*=\(.*\)'` ;;
+ *=) ac_optarg= ;;
+ *) ac_optarg=yes ;;
esac
# Accept the important Cygnus configure options, so we can diagnose typos.
$as_echo "$as_me: WARNING: you should use --build, --host, --target" >&2
expr "x$ac_option" : ".*[^-._$as_cr_alnum]" >/dev/null &&
$as_echo "$as_me: WARNING: invalid host type: $ac_option" >&2
- : ${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}
+ : "${build_alias=$ac_option} ${host_alias=$ac_option} ${target_alias=$ac_option}"
;;
esac
--infodir=DIR info documentation [DATAROOTDIR/info]
--localedir=DIR locale-dependent data [DATAROOTDIR/locale]
--mandir=DIR man documentation [DATAROOTDIR/man]
- --docdir=DIR documentation root [DATAROOTDIR/doc/c-library]
+ --docdir=DIR documentation root [DATAROOTDIR/doc/glibc]
--htmldir=DIR html documentation [DOCDIR]
--dvidir=DIR dvi documentation [DOCDIR]
--pdfdir=DIR pdf documentation [DOCDIR]
in special situations) [default=yes]
--enable-check-abi do "make check-abi" in "make check" (no/warn/yes)
[default=no]
- --enable-shared build shared library [default=yes if GNU ld & ELF]
+ --enable-shared build shared library [default=yes if GNU ld]
--enable-profile build profiled library [default=no]
- --enable-omitfp build undebuggable optimized library [default=no]
- --enable-bounded build with runtime bounds checking [default=no]
--disable-versioning do not include versioning information in the library
objects [default=yes if supported]
--enable-oldest-abi=ABI configure the oldest ABI supported [e.g. 2.2]
--enable-all-warnings enable all useful warnings gcc can issue
--enable-multi-arch enable single DSO with optimizations for multiple
architectures
- --enable-experimental-malloc
- enable experimental malloc features
--enable-nss-crypt enable libcrypt to use nss
Optional Packages:
--with-gd-lib=DIR find libgd library files in DIR
--with-fp if using floating-point hardware [default=yes]
--with-binutils=PATH specify location of binutils (as and ld)
- --with-elf if using the ELF object format
--with-selinux if building with SELinux support
- --with-xcoff if using the XCOFF object format
- --without-cvs if CVS should not be used
--with-headers=PATH location of system headers to use (for example
/usr/src/linux/include) [default=compiler default]
- --with-tls enable support for TLS
- --without-__thread do not use TLS features even when supporting them
+ --with-default-link do not use explicit linker scripts
--with-cpu=CPU select code for CPU variant
Some influential environment variables:
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
-Report bugs to <glibc>.
-GNU C Library home page: <http://www.gnu.org/software/c-library/>.
+Report bugs to <http://sourceware.org/bugzilla/>.
+GNU C Library home page: <http://www.gnu.org/software/glibc/>.
General help using GNU software: <http://www.gnu.org/gethelp/>.
_ACEOF
ac_status=$?
if $ac_init_version; then
cat <<\_ACEOF
GNU C Library configure (see version.h)
-generated by GNU Autoconf 2.66
+generated by GNU Autoconf 2.68
Copyright (C) 2010 Free Software Foundation, Inc.
This configure script is free software; the Free Software Foundation
ac_retval=1
fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_compile
mv -f conftest.er1 conftest.err
fi
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; } >/dev/null && {
+ test $ac_status = 0; } > conftest.i && {
test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
test ! -s conftest.err
}; then :
ac_retval=1
fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_cpp
ac_retval=1
fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_cxx_try_compile
# interfere with the next link command; also delete a directory that is
# left behind by Apple's compiler. We do this before executing the actions.
rm -rf conftest.dSYM conftest_ipa8_conftest.oo
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_link
ac_retval=$ac_status
fi
rm -rf conftest.dSYM conftest_ipa8_conftest.oo
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_try_run
rm -f conftest.val
fi
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
as_fn_set_status $ac_retval
} # ac_fn_c_compute_int
as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $2" >&5
$as_echo_n "checking for $2... " >&6; }
-if eval "test \"\${$3+set}\"" = set; then :
+if eval \${$3+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
eval ac_res=\$$3
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
$as_echo "$ac_res" >&6; }
- eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+ eval $as_lineno_stack; ${as_lineno_stack:+:} unset as_lineno
} # ac_fn_c_check_header_compile
cat >config.log <<_ACEOF
running configure, to aid debugging if configure makes a mistake.
It was created by GNU C Library $as_me (see version.h), which was
-generated by GNU Autoconf 2.66. Invocation command line was
+generated by GNU Autoconf 2.68. Invocation command line was
$ $0 $@
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking build system type" >&5
$as_echo_n "checking build system type... " >&6; }
-if test "${ac_cv_build+set}" = set; then :
+if ${ac_cv_build+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_build_alias=$build_alias
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking host system type" >&5
$as_echo_n "checking host system type... " >&6; }
-if test "${ac_cv_host+set}" = set; then :
+if ${ac_cv_host+:} false; then :
$as_echo_n "(cached) " >&6
else
if test "x$host_alias" = x; then
set dummy ${ac_tool_prefix}gcc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$CC"; then
set dummy gcc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$ac_ct_CC"; then
set dummy ${ac_tool_prefix}cc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$CC"; then
set dummy cc; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$CC"; then
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$CC"; then
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CC+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$ac_ct_CC"; then
EXEEXT=
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for suffix of object files" >&5
$as_echo_n "checking for suffix of object files... " >&6; }
-if test "${ac_cv_objext+set}" = set; then :
+if ${ac_cv_objext+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
ac_objext=$OBJEXT
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C compiler" >&5
$as_echo_n "checking whether we are using the GNU C compiler... " >&6; }
-if test "${ac_cv_c_compiler_gnu+set}" = set; then :
+if ${ac_cv_c_compiler_gnu+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
ac_save_CFLAGS=$CFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC accepts -g" >&5
$as_echo_n "checking whether $CC accepts -g... " >&6; }
-if test "${ac_cv_prog_cc_g+set}" = set; then :
+if ${ac_cv_prog_cc_g+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_c_werror_flag=$ac_c_werror_flag
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $CC option to accept ISO C89" >&5
$as_echo_n "checking for $CC option to accept ISO C89... " >&6; }
-if test "${ac_cv_prog_cc_c89+set}" = set; then :
+if ${ac_cv_prog_cc_c89+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_cv_prog_cc_c89=no
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_BUILD_CC+set}" = set; then :
+if ${ac_cv_prog_BUILD_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$BUILD_CC"; then
CPP=
fi
if test -z "$CPP"; then
- if test "${ac_cv_prog_CPP+set}" = set; then :
+ if ${ac_cv_prog_CPP+:} false; then :
$as_echo_n "(cached) " >&6
else
# Double quotes because CPP needs to be expanded
# Broken: fails on valid input.
continue
fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
# OK, works on sane cases. Now check whether nonexistent headers
# can be detected and how.
ac_preproc_ok=:
break
fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :
break
fi
# Broken: fails on valid input.
continue
fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
# OK, works on sane cases. Now check whether nonexistent headers
# can be detected and how.
ac_preproc_ok=:
break
fi
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.err conftest.i conftest.$ac_ext
done
# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.
-rm -f conftest.err conftest.$ac_ext
+rm -f conftest.i conftest.err conftest.$ac_ext
if $ac_preproc_ok; then :
else
set dummy $ac_tool_prefix$ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CXX+set}" = set; then :
+if ${ac_cv_prog_CXX+:} false; then :
$as_echo_n "(cached) " >&6
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set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_CXX+set}" = set; then :
+if ${ac_cv_prog_ac_ct_CXX+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$ac_ct_CXX"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we are using the GNU C++ compiler" >&5
$as_echo_n "checking whether we are using the GNU C++ compiler... " >&6; }
-if test "${ac_cv_cxx_compiler_gnu+set}" = set; then :
+if ${ac_cv_cxx_compiler_gnu+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
ac_save_CXXFLAGS=$CXXFLAGS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CXX accepts -g" >&5
$as_echo_n "checking whether $CXX accepts -g... " >&6; }
-if test "${ac_cv_prog_cxx_g+set}" = set; then :
+if ${ac_cv_prog_cxx_g+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_save_cxx_werror_flag=$ac_cxx_werror_flag
fi
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-fi
-
-
# Check whether --with-selinux was given.
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fi
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- xcoff=no
-fi
-
-# Check whether --with-cvs was given.
-if test "${with_cvs+set}" = set; then :
- withval=$with_cvs; with_cvs=$withval
+# Check whether --with-headers was given.
+if test "${with_headers+set}" = set; then :
+ withval=$with_headers; sysheaders=$withval
else
- with_cvs=yes
+ sysheaders=''
fi
-if test "$with_cvs" = yes; then
- if test -d $srcdir/CVS && grep :pserver: $srcdir/CVS/Root > /dev/null
- then
- with_cvs=no
- fi
-fi
-# Check whether --with-headers was given.
-if test "${with_headers+set}" = set; then :
- withval=$with_headers; sysheaders=$withval
+# Check whether --with-default-link was given.
+if test "${with_default_link+set}" = set; then :
+ withval=$with_default_link; use_default_link=$withval
else
- sysheaders=''
+ use_default_link=default
fi
fi
-static=yes
# Check whether --enable-shared was given.
if test "${enable_shared+set}" = set; then :
enableval=$enable_shared; shared=$enableval
else
- shared=default
+ shared=yes
fi
# Check whether --enable-profile was given.
profile=no
fi
-# Check whether --enable-omitfp was given.
-if test "${enable_omitfp+set}" = set; then :
- enableval=$enable_omitfp; omitfp=$enableval
-else
- omitfp=no
-fi
-
-# Check whether --enable-bounded was given.
-if test "${enable_bounded+set}" = set; then :
- enableval=$enable_bounded; bounded=$enableval
-else
- bounded=no
-fi
-
# Check whether --enable-versioning was given.
if test "${enable_versioning+set}" = set; then :
enableval=$enable_versioning; enable_versioning=$enableval
fi
-
-# Check whether --with-tls was given.
-if test "${with_tls+set}" = set; then :
- withval=$with_tls; usetls=$withval
-else
- usetls=yes
-fi
-
-
-
-# Check whether --with-__thread was given.
-if test "${with___thread+set}" = set; then :
- withval=$with___thread; use__thread=$withval
-else
- use__thread=yes
-fi
-
-
# Check whether --enable-hidden-plt was given.
if test "${enable_hidden_plt+set}" = set; then :
enableval=$enable_hidden_plt; hidden=$enableval
fi
-# Check whether --enable-experimental-malloc was given.
-if test "${enable_experimental_malloc+set}" = set; then :
- enableval=$enable_experimental_malloc; experimental_malloc=$enableval
-fi
-
-
-
# Check whether --enable-nss-crypt was given.
if test "${enable_nss_crypt+set}" = set; then :
enableval=$enable_nss_crypt; nss_crypt=$enableval
#include <hasht.h>
#include <nsslowhash.h>
void f (void) { NSSLOW_Init (); }
+int
+main ()
+{
+
+ ;
+ return 0;
+}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
libc_cv_nss_crypt=yes
config_os="`echo $config_os | sed 's/^unknown-//'`"
# Some configurations imply other options.
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-# i586-linuxaout is mangled into i586-pc-linux-gnuaout
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- ;;
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- elf=yes
- ;;
-aix*)
- # These systems are always xcoff
- xcoff=yes
- elf=no
- ;;
-esac
+elf=yes
# The configure fragment of an add-on port can modify these to supplement
# or override the table in the case statement below. No fragment should
###
if test -z "$enable_hacker_mode" && test x"$libc_config_ok" != xyes; then
case "$machine-$host_os" in
- *-linux* | *-gnu* | arm*-none* | powerpc-aix4.3.*)
+ *-linux* | *-gnu* | arm*-none*)
;;
*)
echo "*** The GNU C library is currently not available for this platform."
# type and particular chip. If an add-on configure fragment already set
# base_machine, we don't change it.
test -n "$base_machine" || case "$machine" in
-a29k | am29000) base_machine=a29k machine=a29k ;;
-c3[012]) base_machine=cx0 machine=cx0/c30 ;;
-c4[04]) base_machine=cx0 machine=cx0/c40 ;;
i[34567]86) base_machine=i386 machine=i386/$machine ;;
-ia64) base_machine=ia64 machine=ia64 ;;
-m88???) base_machine=m88k machine=m88k/$machine ;;
-m88k) base_machine=m88k machine=m88k/m88100 ;;
powerpc) base_machine=powerpc machine=powerpc/powerpc32 ;;
powerpc64) base_machine=powerpc machine=powerpc/powerpc64 ;;
s390) base_machine=s390 machine=s390/s390-32 ;;
# For the multi-arch option we need support in the assembler.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler gnu_indirect_function symbol type support" >&5
$as_echo_n "checking for assembler gnu_indirect_function symbol type support... " >&6; }
-if test "${libc_cv_asm_gnu_indirect_function+set}" = set; then :
+if ${libc_cv_asm_gnu_indirect_function+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether .text pseudo-op must be used" >&5
$as_echo_n "checking whether .text pseudo-op must be used... " >&6; }
-if test "${libc_cv_dot_text+set}" = set; then :
+if ${libc_cv_dot_text+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler global-symbol directive" >&5
$as_echo_n "checking for assembler global-symbol directive... " >&6; }
-if test "${libc_cv_asm_global_directive+set}" = set; then :
+if ${libc_cv_asm_global_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
libc_cv_asm_global_directive=UNKNOWN
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .type directive prefix" >&5
$as_echo_n "checking for assembler .type directive prefix... " >&6; }
-if test "${libc_cv_asm_type_prefix+set}" = set; then :
+if ${libc_cv_asm_type_prefix+:} false; then :
$as_echo_n "(cached) " >&6
else
libc_cv_asm_type_prefix=no
fi
-if test x"$libc_cv_asm_gnu_indirect_function" != xyes -a x"$libc_cv_asm_type_prefix" = xno; then
+if test x"$libc_cv_asm_gnu_indirect_function" != xyes -o x"$libc_cv_asm_type_prefix" = xno; then
if test x"$multi_arch" = xyes; then
as_fn_error $? "--enable-multi-arch support requires assembler and linker support" "$LINENO" 5
else
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 ;;
esac
# We have now validated the configuration.
-# If using ELF, look for an `elf' subdirectory of each machine directory.
+# Look for an `elf' subdirectory of each machine directory.
# We prepend these rather than inserting them whereever the machine appears
# because things specified by the machine's ELF ABI should override
# 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
- elf_dirs=
- 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
+elf_dirs=
+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
- sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames"
-fi
+done
+sysnames="`echo $elf_dirs | sed -e 's,//,/,g'` $sysnames"
# Expand the list of system names into a full list of directories
done
# Add the default directories.
-default_sysnames=sysdeps/generic
-if test "$elf" = yes; then
- default_sysnames="sysdeps/generic/elf $default_sysnames"
-fi
+default_sysnames="sysdeps/generic/elf sysdeps/generic"
sysnames="$names $default_sysnames"
# The other names were emitted during the scan.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a BSD-compatible install" >&5
$as_echo_n "checking for a BSD-compatible install... " >&6; }
if test -z "$INSTALL"; then
-if test "${ac_cv_path_install+set}" = set; then :
+if ${ac_cv_path_install+:} false; then :
$as_echo_n "(cached) " >&6
else
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
OBJDUMP=`$CC -print-prog-name=objdump`
-
-# ranlib has to be treated a bit differently since it might not exist at all.
-ac_ranlib=`$CC -print-prog-name=ranlib`
-if test "x$ac_ranlib" = xranlib; then
-# This extra check has to happen since gcc simply echos the parameter in
-# case it cannot find the value in its own directories.
-if test -n "$ac_tool_prefix"; then
- # Extract the first word of "${ac_tool_prefix}ranlib", so it can be a program name with args.
-set dummy ${ac_tool_prefix}ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_RANLIB+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$RANLIB"; then
- ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_RANLIB="${ac_tool_prefix}ranlib"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-RANLIB=$ac_cv_prog_RANLIB
-if test -n "$RANLIB"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $RANLIB" >&5
-$as_echo "$RANLIB" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-fi
-if test -z "$ac_cv_prog_RANLIB"; then
- ac_ct_RANLIB=$RANLIB
- # Extract the first word of "ranlib", so it can be a program name with args.
-set dummy ranlib; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_ac_ct_RANLIB+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$ac_ct_RANLIB"; then
- ac_cv_prog_ac_ct_RANLIB="$ac_ct_RANLIB" # Let the user override the test.
-else
-as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_prog_ac_ct_RANLIB="ranlib"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
-fi
-fi
-ac_ct_RANLIB=$ac_cv_prog_ac_ct_RANLIB
-if test -n "$ac_ct_RANLIB"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_RANLIB" >&5
-$as_echo "$ac_ct_RANLIB" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
- if test "x$ac_ct_RANLIB" = x; then
- RANLIB=":"
- else
- case $cross_compiling:$ac_tool_warned in
-yes:)
-{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
-$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
-ac_tool_warned=yes ;;
-esac
- RANLIB=$ac_ct_RANLIB
- fi
-else
- RANLIB="$ac_cv_prog_RANLIB"
-fi
-
-else
- RANLIB=$ac_ranlib
-fi
+OBJCOPY=`$CC -print-prog-name=objcopy`
# Determine whether we are using GNU binutils.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AS is GNU as" >&5
$as_echo_n "checking whether $AS is GNU as... " >&6; }
-if test "${libc_cv_prog_as_gnu+set}" = set; then :
+if ${libc_cv_prog_as_gnu+:} false; then :
$as_echo_n "(cached) " >&6
else
# Most GNU programs take a -v and spit out some text including
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $LD is GNU ld" >&5
$as_echo_n "checking whether $LD is GNU ld... " >&6; }
-if test "${libc_cv_prog_ld_gnu+set}" = set; then :
+if ${libc_cv_prog_ld_gnu+:} false; then :
$as_echo_n "(cached) " >&6
else
# Most GNU programs take a -v and spit out some text including
gnu_ld=$libc_cv_prog_ld_gnu
-# Accept binutils 2.13 or newer.
+# Accept binutils 2.20 or newer.
for ac_prog in $AS
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AS+set}" = set; then :
+if ${ac_cv_prog_AS+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$AS"; then
ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
+ 2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_LD+set}" = set; then :
+if ${ac_cv_prog_LD+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$LD"; then
ac_prog_version=`$LD --version 2>&1 | sed -n 's/^.*GNU ld.* \([0-9][0-9]*\.[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 2.1[3-9]*|2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
+ 2.1[0-9][0-9]*|2.[2-9][0-9]*|[3-9].*|[1-9][0-9]*)
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
fi
-# We need the physical current working directory. We cannot use the
-# "pwd -P" shell builtin since that's not portable. Instead we try to
-# find a pwd binary. Note that assigning to the PWD environment
-# variable might have some interesting side effects, so we don't do
-# that.
-# Extract the first word of "pwd", so it can be a program name with args.
-set dummy pwd; ac_word=$2
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
-$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PWD_P+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- case $PWD_P in
- [\\/]* | ?:[\\/]*)
- ac_cv_path_PWD_P="$PWD_P" # Let the user override the test with a path.
- ;;
- *)
- as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH
-do
- IFS=$as_save_IFS
- test -z "$as_dir" && as_dir=.
- for ac_exec_ext in '' $ac_executable_extensions; do
- if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
- ac_cv_path_PWD_P="$as_dir/$ac_word$ac_exec_ext"
- $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
- break 2
- fi
-done
- done
-IFS=$as_save_IFS
-
- test -z "$ac_cv_path_PWD_P" && ac_cv_path_PWD_P="no"
- ;;
-esac
-fi
-PWD_P=$ac_cv_path_PWD_P
-if test -n "$PWD_P"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $PWD_P" >&5
-$as_echo "$PWD_P" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
-if test "$PWD_P" = no; then
- as_fn_error $? "*** A pwd binary could not be found." "$LINENO" 5
-fi
-
# These programs are version sensitive.
for ac_prog in ${ac_tool_prefix}gcc ${ac_tool_prefix}cc
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_CC+set}" = set; then :
+if ${ac_cv_prog_CC+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$CC"; then
ac_prog_version=`$CC -v 2>&1 | sed -n 's/^.*version \([egcygnustpi-]*[0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 3.4* | 4.[0-9]* )
+ 4.[3-9].* | 4.[1-9][0-9].* | [5-9].* )
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_MAKE+set}" = set; then :
+if ${ac_cv_prog_MAKE+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$MAKE"; then
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_MSGFMT+set}" = set; then :
+if ${ac_cv_prog_MSGFMT+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$MSGFMT"; then
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_MAKEINFO+set}" = set; then :
+if ${ac_cv_prog_MAKEINFO+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$MAKEINFO"; then
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_SED+set}" = set; then :
+if ${ac_cv_prog_SED+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$SED"; then
fi
+if test -n "$ac_tool_prefix"; then
+ # Extract the first word of "${ac_tool_prefix}readelf", so it can be a program name with args.
+set dummy ${ac_tool_prefix}readelf; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_READELF+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$READELF"; then
+ ac_cv_prog_READELF="$READELF" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_READELF="${ac_tool_prefix}readelf"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+READELF=$ac_cv_prog_READELF
+if test -n "$READELF"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $READELF" >&5
+$as_echo "$READELF" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+fi
+if test -z "$ac_cv_prog_READELF"; then
+ ac_ct_READELF=$READELF
+ # Extract the first word of "readelf", so it can be a program name with args.
+set dummy readelf; ac_word=$2
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
+$as_echo_n "checking for $ac_word... " >&6; }
+if ${ac_cv_prog_ac_ct_READELF+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$ac_ct_READELF"; then
+ ac_cv_prog_ac_ct_READELF="$ac_ct_READELF" # Let the user override the test.
+else
+as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH
+do
+ IFS=$as_save_IFS
+ test -z "$as_dir" && as_dir=.
+ for ac_exec_ext in '' $ac_executable_extensions; do
+ if { test -f "$as_dir/$ac_word$ac_exec_ext" && $as_test_x "$as_dir/$ac_word$ac_exec_ext"; }; then
+ ac_cv_prog_ac_ct_READELF="readelf"
+ $as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5
+ break 2
+ fi
+done
+ done
+IFS=$as_save_IFS
+
+fi
+fi
+ac_ct_READELF=$ac_cv_prog_ac_ct_READELF
+if test -n "$ac_ct_READELF"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_ct_READELF" >&5
+$as_echo "$ac_ct_READELF" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+ if test "x$ac_ct_READELF" = x; then
+ READELF="false"
+ else
+ case $cross_compiling:$ac_tool_warned in
+yes:)
+{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: using cross tools not prefixed with host triplet" >&5
+$as_echo "$as_me: WARNING: using cross tools not prefixed with host triplet" >&2;}
+ac_tool_warned=yes ;;
+esac
+ READELF=$ac_ct_READELF
+ fi
+else
+ READELF="$ac_cv_prog_READELF"
+fi
+
+
for ac_prog in autoconf
do
# Extract the first word of "$ac_prog", so it can be a program name with args.
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AUTOCONF+set}" = set; then :
+if ${ac_cv_prog_AUTOCONF+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$AUTOCONF"; then
*)
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works" >&5
$as_echo_n "checking whether $AUTOCONF${ACFLAGS:+ }$ACFLAGS works... " >&6; }
-if test "${libc_cv_autoconf_works+set}" = set; then :
+if ${libc_cv_autoconf_works+:} false; then :
$as_echo_n "(cached) " >&6
else
if (cd $srcdir; $AUTOCONF $ACFLAGS configure.in > /dev/null 2>&1); then
test $libc_cv_autoconf_works = yes || AUTOCONF=no
;;
esac
-if test "x$with_cvs" = xyes && test "x$AUTOCONF" = xno; then
- # If --without-cvs they probably won't change configure.in, so no complaints.
+if test "x$AUTOCONF" = xno; then
aux_missing="$aux_missing autoconf"
fi
SYSINCLUDES="$SYSINCLUDES \
-isystem `echo $sysheaders | sed 's/:/ -isystem /g'`"
if test -n "$CXX"; then
+ CXX_SYSINCLUDES=
cxxversion=`$CXX -dumpversion 2>&5` &&
cxxmachine=`$CXX -dumpmachine 2>&5` &&
- cxxheaders=`$CXX -print-file-name=../../../../include/c++/`"$cxxversion" &&
- CXX_SYSINCLUDES="-isystem $cxxheaders \
+ for d in include "$cxxmachine/include"; do
+ i=../../../../$d/c++/$cxxversion
+ cxxheaders=`$CXX -print-file-name="$i"` &&
+ test "x$cxxheaders" != x && test "x$i" != "x$cxxheaders" &&
+ CXX_SYSINCLUDES="$CXX_SYSINCLUDES -isystem $cxxheaders \
-isystem $cxxheaders/$cxxmachine -isystem $cxxheaders/backward"
+ done
fi
fi
-# check if ranlib is necessary
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether ranlib is necessary" >&5
-$as_echo_n "checking whether ranlib is necessary... " >&6; }
-if test "${libc_cv_ranlib_necessary+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
-int a;
-char b;
-void c(void) {}
-EOF
-$CC $CFLAGS $CPPFLAGS -c conftest.c
-$AR cr conftest.a conftest.o
-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*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ranlib_necessary" >&5
-$as_echo "$libc_cv_ranlib_necessary" >&6; }
-if test "$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
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether GCC supports -static-libgcc" >&5
$as_echo_n "checking whether GCC supports -static-libgcc... " >&6; }
-if test "${libc_cv_gcc_static_libgcc+set}" = set; then :
+if ${libc_cv_gcc_static_libgcc+:} false; then :
$as_echo_n "(cached) " >&6
else
if $CC -v -static-libgcc 2>&1 | grep -q 'unrecognized option.*static-libgcc'; then
set dummy bash; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_BASH_SHELL+set}" = set; then :
+if ${ac_cv_path_BASH_SHELL+:} false; then :
$as_echo_n "(cached) " >&6
else
case $BASH_SHELL in
set dummy ksh; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_KSH+set}" = set; then :
+if ${ac_cv_path_KSH+:} false; then :
$as_echo_n "(cached) " >&6
else
case $KSH in
set dummy $ac_prog; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_prog_AWK+set}" = set; then :
+if ${ac_cv_prog_AWK+:} false; then :
$as_echo_n "(cached) " >&6
else
if test -n "$AWK"; then
set dummy perl; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_PERL+set}" = set; then :
+if ${ac_cv_path_PERL+:} false; then :
$as_echo_n "(cached) " >&6
else
case $PERL in
set dummy install-info; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_INSTALL_INFO+set}" = set; then :
+if ${ac_cv_path_INSTALL_INFO+:} false; then :
$as_echo_n "(cached) " >&6
else
case $INSTALL_INFO in
set dummy bison; ac_word=$2
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5
$as_echo_n "checking for $ac_word... " >&6; }
-if test "${ac_cv_path_BISON+set}" = set; then :
+if ${ac_cv_path_BISON+:} false; then :
$as_echo_n "(cached) " >&6
else
case $BISON in
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for signed size_t type" >&5
-$as_echo_n "checking for signed size_t type... " >&6; }
-if test "${libc_cv_signed_size_t+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- echo '#include <stddef.h>
-FOOBAR __SIZE_TYPE__ FOOBAR' > conftest.c
-if eval "$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*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_signed_size_t" >&5
-$as_echo "$libc_cv_signed_size_t" >&6; }
-if test $libc_cv_signed_size_t = yes; then
- cat >> confdefs.h <<\EOF
-#undef __SIZE_TYPE__
-#define __SIZE_TYPE__ unsigned
-EOF
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libc-friendly stddef.h" >&5
$as_echo_n "checking for libc-friendly stddef.h... " >&6; }
-if test "${libc_cv_friendly_stddef+set}" = set; then :
+if ${libc_cv_friendly_stddef+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether we need to use -P to assemble .S files" >&5
$as_echo_n "checking whether we need to use -P to assemble .S files... " >&6; }
-if test "${libc_cv_need_minus_P+set}" = set; then :
+if ${libc_cv_need_minus_P+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.S <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .set assembler directive" >&5
$as_echo_n "checking for .set assembler directive... " >&6; }
-if test "${libc_cv_asm_set_directive+set}" = set; then :
+if ${libc_cv_asm_set_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler gnu_unique_object symbol type" >&5
$as_echo_n "checking for assembler gnu_unique_object symbol type... " >&6; }
-if test "${libc_cv_asm_unique_object+set}" = set; then :
+if ${libc_cv_asm_unique_object+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .symver assembler directive" >&5
$as_echo_n "checking for .symver assembler directive... " >&6; }
-if test "${libc_cv_asm_symver_directive+set}" = set; then :
+if ${libc_cv_asm_symver_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
$as_echo "$libc_cv_asm_symver_directive" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld --version-script" >&5
$as_echo_n "checking for ld --version-script... " >&6; }
-if test "${libc_cv_ld_version_script_option+set}" = set; then :
+if ${libc_cv_ld_version_script_option+:} false; then :
$as_echo_n "(cached) " >&6
else
if test $libc_cv_asm_symver_directive = yes; then
fi
-if test $elf = yes && test $shared != no && test $VERSIONING = no; then
+if test $shared != no && 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
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .previous assembler directive" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .previous assembler directive" >&5
$as_echo_n "checking for .previous assembler directive... " >&6; }
-if test "${libc_cv_asm_previous_directive+set}" = set; then :
+if ${libc_cv_asm_previous_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.s <<EOF
+ cat > conftest.s <<EOF
.section foo_section
.previous
EOF
- if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
+if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_asm_previous_directive=yes
- else
- libc_cv_asm_previous_directive=no
- fi
- rm -f conftest*
+ libc_cv_asm_previous_directive=yes
+else
+ libc_cv_asm_previous_directive=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_previous_directive" >&5
$as_echo "$libc_cv_asm_previous_directive" >&6; }
- if test $libc_cv_asm_previous_directive = yes; then
- $as_echo "#define HAVE_ASM_PREVIOUS_DIRECTIVE 1" >>confdefs.h
+if test $libc_cv_asm_previous_directive = yes; then
+ $as_echo "#define HAVE_ASM_PREVIOUS_DIRECTIVE 1" >>confdefs.h
- else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .popsection assembler directive" >&5
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .popsection assembler directive" >&5
$as_echo_n "checking for .popsection assembler directive... " >&6; }
-if test "${libc_cv_asm_popsection_directive+set}" = set; then :
+if ${libc_cv_asm_popsection_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.s <<EOF
+ cat > conftest.s <<EOF
.pushsection foo_section
.popsection
EOF
- if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
+ if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_asm_popsection_directive=yes
- else
- libc_cv_asm_popsection_directive=no
- fi
- rm -f conftest*
+ libc_cv_asm_popsection_directive=yes
+ else
+ libc_cv_asm_popsection_directive=no
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_popsection_directive" >&5
$as_echo "$libc_cv_asm_popsection_directive" >&6; }
- if test $libc_cv_asm_popsection_directive = yes; then
- $as_echo "#define HAVE_ASM_POPSECTION_DIRECTIVE 1" >>confdefs.h
+ if test $libc_cv_asm_popsection_directive = yes; then
+ $as_echo "#define HAVE_ASM_POPSECTION_DIRECTIVE 1" >>confdefs.h
- fi
fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .protected and .hidden assembler directive" >&5
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .protected and .hidden assembler directive" >&5
$as_echo_n "checking for .protected and .hidden assembler directive... " >&6; }
-if test "${libc_cv_asm_protected_directive+set}" = set; then :
+if ${libc_cv_asm_protected_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.s <<EOF
+ cat > conftest.s <<EOF
.protected foo
foo:
.hidden bar
bar:
EOF
- if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
+if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_asm_protected_directive=yes
- else
- as_fn_error $? "assembler support for symbol visibility is required" "$LINENO" 5
- fi
- rm -f conftest*
+ libc_cv_asm_protected_directive=yes
+else
+ as_fn_error $? "assembler support for symbol visibility is required" "$LINENO" 5
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_protected_directive" >&5
$as_echo "$libc_cv_asm_protected_directive" >&6; }
- if test $libc_cv_asm_protected_directive = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __attribute__((visibility())) is supported" >&5
+if test $libc_cv_asm_protected_directive = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether __attribute__((visibility())) is supported" >&5
$as_echo_n "checking whether __attribute__((visibility())) is supported... " >&6; }
-if test "${libc_cv_visibility_attribute+set}" = set; then :
+if ${libc_cv_visibility_attribute+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
fi
fi
fi
- rm -f conftest.cs
+ rm -f conftest.{c,s}
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_visibility_attribute" >&5
$as_echo "$libc_cv_visibility_attribute" >&6; }
- if test $libc_cv_visibility_attribute != yes; then
- as_fn_error $? "compiler support for visibility attribute is required" "$LINENO" 5
- fi
+ if test $libc_cv_visibility_attribute != yes; then
+ as_fn_error $? "compiler support for visibility attribute is required" "$LINENO" 5
fi
+fi
- if test $libc_cv_visibility_attribute = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((visibility()))" >&5
+if test $libc_cv_visibility_attribute = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((visibility()))" >&5
$as_echo_n "checking for broken __attribute__((visibility()))... " >&6; }
-if test "${libc_cv_broken_visibility_attribute+set}" = set; then :
+if ${libc_cv_broken_visibility_attribute+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
int bar (int x) { return x; }
EOF
libc_cv_broken_visibility_attribute=yes
- if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s1>&5'
+ if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_broken_visibility_attribute" >&5
$as_echo "$libc_cv_broken_visibility_attribute" >&6; }
- if test $libc_cv_broken_visibility_attribute = yes; then
- as_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
- fi
+ if test $libc_cv_broken_visibility_attribute = yes; then
+ as_fn_error $? "working compiler support for visibility attribute is required" "$LINENO" 5
fi
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((alias()))" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for broken __attribute__((alias()))" >&5
$as_echo_n "checking for broken __attribute__((alias()))... " >&6; }
-if test "${libc_cv_broken_alias_attribute+set}" = set; then :
+if ${libc_cv_broken_alias_attribute+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
- extern int foo (int x) __asm ("xyzzy");
- int bar (int x) { return x; }
- extern __typeof (bar) foo __attribute ((weak, alias ("bar")));
- extern int dfoo;
- extern __typeof (dfoo) dfoo __asm ("abccb");
- int dfoo = 1;
+ extern int foo (int x) __asm ("xyzzy");
+ int bar (int x) { return x; }
+ extern __typeof (bar) foo __attribute ((weak, alias ("bar")));
+ extern int dfoo;
+ extern __typeof (dfoo) dfoo __asm ("abccb");
+ int dfoo = 1;
EOF
- libc_cv_broken_alias_attribute=yes
- if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s 1>&5'
+ libc_cv_broken_alias_attribute=yes
+ if { ac_try='${CC-cc} -Werror -S conftest.c -o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- if grep 'xyzzy' conftest.s >/dev/null &&
- grep 'abccb' conftest.s >/dev/null; then
- libc_cv_broken_alias_attribute=no
- fi
- fi
- rm -f conftest.c conftest.s
+ if grep 'xyzzy' conftest.s >/dev/null &&
+ grep 'abccb' conftest.s >/dev/null; then
+ libc_cv_broken_alias_attribute=no
+ fi
+ fi
+ rm -f conftest.c conftest.s
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_broken_alias_attribute" >&5
$as_echo "$libc_cv_broken_alias_attribute" >&6; }
- if test $libc_cv_broken_alias_attribute = yes; then
- as_fn_error $? "working alias attribute support required" "$LINENO" 5
- fi
+if test $libc_cv_broken_alias_attribute = yes; then
+ as_fn_error $? "working alias attribute support required" "$LINENO" 5
+fi
- if test $libc_cv_visibility_attribute = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to put _rtld_local into .sdata section" >&5
+if test $libc_cv_visibility_attribute = yes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to put _rtld_local into .sdata section" >&5
$as_echo_n "checking whether to put _rtld_local into .sdata section... " >&6; }
-if test "${libc_cv_have_sdata_section+set}" = set; then :
+if ${libc_cv_have_sdata_section+:} false; then :
$as_echo_n "(cached) " >&6
else
echo "int i;" > conftest.c
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_sdata_section" >&5
$as_echo "$libc_cv_have_sdata_section" >&6; }
- if test $libc_cv_have_sdata_section = yes; then
- $as_echo "#define HAVE_SDATA_SECTION 1" >>confdefs.h
+ if test $libc_cv_have_sdata_section = yes; then
+ $as_echo "#define HAVE_SDATA_SECTION 1" >>confdefs.h
- fi
fi
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .preinit_array/.init_array/.fini_array support" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .preinit_array/.init_array/.fini_array support" >&5
$as_echo_n "checking for .preinit_array/.init_array/.fini_array support... " >&6; }
-if test "${libc_cv_initfini_array+set}" = set; then :
+if ${libc_cv_initfini_array+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 0; }
int __start (void) { return 0; }
int foo (void) { return 1; }
int (*fp) (void) __attribute__ ((section (".init_array"))) = foo;
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
- -static -nostartfiles -nostdlib 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c
+ -static -nostartfiles -nostdlib 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- if readelf -S conftest | fgrep INIT_ARRAY > /dev/null; then
- libc_cv_initfini_array=yes
- else
- libc_cv_initfini_array=no
- fi
+then
+ if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then
+ libc_cv_initfini_array=yes
else
libc_cv_initfini_array=no
fi
- rm -f conftest*
+else
+ libc_cv_initfini_array=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_initfini_array" >&5
$as_echo "$libc_cv_initfini_array" >&6; }
- if test $libc_cv_initfini_array != yes; then
- as_fn_error $? "Need linker with .init_array/.fini_array support." "$LINENO" 5
- elif { ac_try='${CC-cc} -Wl,--verbose 2>&1|grep SORT_BY_INIT_PRIORITY 1>&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- $as_echo "#define NO_CTORS_DTORS_SECTIONS 1" >>confdefs.h
+if test $libc_cv_initfini_array != yes; then
+ as_fn_error $? "Need linker with .init_array/.fini_array support." "$LINENO" 5
+fi
- fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use .ctors/.dtors header and trailer" >&5
+$as_echo_n "checking whether to use .ctors/.dtors header and trailer... " >&6; }
+if ${libc_cv_ctors_header+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ libc_cv_ctors_header=yes
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+__attribute__ ((constructor)) void ctor (void) { puts("ctor"); }
+__attribute__ ((destructor)) void dtor (void) { puts("dtor"); }
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ if $READELF -WS conftest$ac_exeext | $AWK '
+ { gsub(/\[ */, "[") }
+ $2 == ".ctors" || $2 == ".dtors" {
+ size = strtonum("0x" $6)
+ align = strtonum("0x" $NF)
+ seen[$2] = 1
+ stub[$2] = size == align * 2
+ }
+ END {
+ ctors_ok = !seen[".ctors"] || stub[".ctors"]
+ dtors_ok = !seen[".dtors"] || stub[".dtors"]
+ exit ((ctors_ok && dtors_ok) ? 0 : 1)
+ }
+ '; then :
+ libc_cv_ctors_header=no
+fi
+
+else
+ as_fn_error $? "missing __attribute__ ((constructor)) support??" "$LINENO" 5
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ctors_header" >&5
+$as_echo "$libc_cv_ctors_header" >&6; }
+if test $libc_cv_ctors_header = no; then
+ $as_echo "#define NO_CTORS_DTORS_SECTIONS 1" >>confdefs.h
+
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libunwind-support in compiler" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libunwind-support in compiler" >&5
$as_echo_n "checking for libunwind-support in compiler... " >&6; }
-if test "${libc_cv_cc_with_libunwind+set}" = set; then :
+if ${libc_cv_cc_with_libunwind+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int main (void) { return 0; }
EOF
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
- conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
- libc_cv_cc_with_libunwind=yes
- else
- libc_cv_cc_with_libunwind=no
- fi
- rm -f conftest*
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -static -o conftest \
+ conftest.c -v 2>&1 >/dev/null | grep -q " -lunwind "; then
+ libc_cv_cc_with_libunwind=yes
+ else
+ libc_cv_cc_with_libunwind=no
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_with_libunwind" >&5
$as_echo "$libc_cv_cc_with_libunwind" >&6; }
- if test $libc_cv_cc_with_libunwind = yes; then
- $as_echo "#define HAVE_CC_WITH_LIBUNWIND 1" >>confdefs.h
+if test $libc_cv_cc_with_libunwind = yes; then
+ $as_echo "#define HAVE_CC_WITH_LIBUNWIND 1" >>confdefs.h
- fi
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodelete option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodelete option" >&5
$as_echo_n "checking for -z nodelete option... " >&6; }
-if test "${libc_cv_z_nodelete+set}" = set; then :
+if ${libc_cv_z_nodelete+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -nostartfiles -nostdlib
- -Wl,--enable-new-dtags,-z,nodelete 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -nostartfiles -nostdlib
+ -Wl,--enable-new-dtags,-z,nodelete 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_z_nodelete=yes
- else
- as_fn_error $? "linker with -z nodelete support required" "$LINENO" 5
- fi
- rm -f conftest*
+then
+ libc_cv_z_nodelete=yes
+else
+ as_fn_error $? "linker with -z nodelete support required" "$LINENO" 5
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_nodelete" >&5
$as_echo "$libc_cv_z_nodelete" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodlopen option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z nodlopen option" >&5
$as_echo_n "checking for -z nodlopen option... " >&6; }
-if test "${libc_cv_z_nodlopen+set}" = set; then :
+if ${libc_cv_z_nodlopen+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-fPIC -shared -o conftest.so conftest.c
-nostartfiles -nostdlib
-Wl,--enable-new-dtags,-z,nodlopen 1>&5'
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_z_nodlopen=yes
- else
- as_fn_error $? "linker with -z nodlopen support required" "$LINENO" 5
- fi
- rm -f conftest*
+then
+ libc_cv_z_nodlopen=yes
+else
+ as_fn_error $? "linker with -z nodlopen support required" "$LINENO" 5
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_nodlopen" >&5
$as_echo "$libc_cv_z_nodlopen" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z initfirst option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z initfirst option" >&5
$as_echo_n "checking for -z initfirst option... " >&6; }
-if test "${libc_cv_z_initfirst+set}" = set; then :
+if ${libc_cv_z_initfirst+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-fPIC -shared -o conftest.so conftest.c
-nostartfiles -nostdlib
-Wl,--enable-new-dtags,-z,initfirst 1>&5'
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_z_initfirst=yes
- else
- as_fn_error $? "linker with -z initfirst support required" "$LINENO" 5
- fi
- rm -f conftest*
+then
+ libc_cv_z_initfirst=yes
+else
+ as_fn_error $? "linker with -z initfirst support required" "$LINENO" 5
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_initfirst" >&5
$as_echo "$libc_cv_z_initfirst" >&6; }
- case "$base_machine" in
- i[34567]86 | x86_64 | powerpc* | s390* | sparc* | alpha*)
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z relro option" >&5
+# Add-on fragments can set these for other machines.
+libc_commonpagesize=${libc_commonpagesize:-no}
+libc_relro_required=${libc_relro_required:-no}
+case "$base_machine" in
+ i[34567]86 | x86_64 | powerpc* | s390*)
+ libc_commonpagesize=0x1000
+ libc_relro_required=yes
+ ;;
+ sparc*)
+ libc_commonpagesize=0x2000
+ libc_relro_required=yes
+ ;;
+esac
+
+if test $libc_commonpagesize != no; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z relro option" >&5
$as_echo_n "checking for -z relro option... " >&6; }
-if test "${libc_cv_z_relro+set}" = set; then :
+if ${libc_cv_z_relro+:} false; then :
$as_echo_n "(cached) " >&6
else
libc_cv_z_relro=no
- if { ac_try='${CC-cc} -v --help 2>&1|grep "z relro" 1>&5'
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int _start (void) { return 42; }
+extern void _exit (int);
+/* Since these pointers are const, they should go in rodata.
+ Since they refer to functions that have to be resolved by
+ dynamic linking, they should instead go in RELRO data. */
+const void *const relro[] = { &_start, &_exit, 0 };
+/* GNU ld fails to produce RELRO data when it's very small and there is no
+ normal writable data following it, or if only uninitialized (.bss) data
+ follows it, or only very small writable data. */
+int data[0x10000] = { 1, };
+
+_ACEOF
+ cat > conftest.awk <<\EOF
+BEGIN {
+ result = "no"
+ commonpagesize = strtonum(commonpagesize)
+}
+{ print "LINE:", $0 > "/dev/stderr" }
+$1 == "GNU_RELRO" {
+ vaddr = strtonum($3)
+ memsz = strtonum($6)
+ end = vaddr + memsz
+ printf "vaddr %#x memsz %#x end %#x commonpagesize %#x\n", \
+ vaddr, memsz, end, commonpagesize > "/dev/stderr"
+ result = (end % commonpagesize == 0) ? "yes" : "broken"
+}
+END { print result }
+EOF
+ { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -nostartfiles -nostdlib
+ -Wl,-z,relro 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }
- then
- if { ac_try='${CC-cc} -Wl,--verbose 2>&1|grep DATA_SEGMENT_RELRO_END 1>&5'
+ test $ac_status = 0; }; } &&
+ { ac_try='$READELF -Wl conftest.so > conftest.ph'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }
- then
- libc_cv_z_relro=yes
- fi
- fi
+ test $ac_status = 0; }; } &&
+ { ac_try='
+ $AWK -v commonpagesize=$libc_commonpagesize -f conftest.awk
+ conftest.ph > conftest.cps
+ '
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; } &&
+ libc_cv_z_relro=`cat conftest.cps 2>&5`
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_relro" >&5
$as_echo "$libc_cv_z_relro" >&6; }
- if test "$libc_cv_z_relro" = no; then
- as_fn_error $? "linker with -z relro support required" "$LINENO" 5
- fi
- ;;
- *) ;;
- esac
+ if { test "x$libc_relro_required" = xyes &&
+ test "x$libc_cv_z_relro" != xyes
+ }
+ then
+ as_fn_error $? "linker with -z relro support required" "$LINENO" 5
+ fi
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: missing architecture parameter to check for working -z relro" >&5
+$as_echo "$as_me: WARNING: missing architecture parameter to check for working -z relro" >&2;}
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Bgroup option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -Bgroup option" >&5
$as_echo_n "checking for -Bgroup option... " >&6; }
-if test "${libc_cv_Bgroup+set}" = set; then :
+if ${libc_cv_Bgroup+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -Wl,-Bgroup -nostdlib 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -Wl,-Bgroup -nostdlib 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_Bgroup=yes
- else
- libc_cv_Bgroup=no
- fi
- rm -f conftest*
+then
+ libc_cv_Bgroup=yes
+else
+ libc_cv_Bgroup=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_Bgroup" >&5
$as_echo "$libc_cv_Bgroup" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libgcc_s suffix" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for libgcc_s suffix" >&5
$as_echo_n "checking for libgcc_s suffix... " >&6; }
-if test "${libc_cv_libgcc_s_suffix+set}" = set; then :
+if ${libc_cv_libgcc_s_suffix+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int main (void) { return 0; }
EOF
- libc_cv_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
+libc_cv_libgcc_s_suffix=`${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS \
-fPIC -shared -shared-libgcc -o conftest.so \
conftest.c -v 2>&1 >/dev/null \
| sed -n 's/^.* -lgcc_s\([^ ]*\) .*$/\1/p'`
- rm -f conftest*
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_libgcc_s_suffix" >&5
$as_echo "$libc_cv_libgcc_s_suffix" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --as-needed option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --as-needed option" >&5
$as_echo_n "checking for --as-needed option... " >&6; }
-if test "${libc_cv_as_needed+set}" = set; then :
+if ${libc_cv_as_needed+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int main (void) { return 0; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-fPIC -shared -o conftest.so conftest.c
-lgcc_s$libc_cv_libgcc_s_suffix -Wl,--as-needed
-nostdlib 1>&5'
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_as_needed=yes
- else
- libc_cv_as_needed=no
- fi
- rm -f conftest*
+then
+ libc_cv_as_needed=yes
+else
+ libc_cv_as_needed=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_needed" >&5
$as_echo "$libc_cv_as_needed" >&6; }
- ASFLAGS_config=
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --noexecstack is desirable for .S files" >&5
+ASFLAGS_config=
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether --noexecstack is desirable for .S files" >&5
$as_echo_n "checking whether --noexecstack is desirable for .S files... " >&6; }
-if test "${libc_cv_as_noexecstack+set}" = set; then :
+if ${libc_cv_as_noexecstack+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
void foo (void) { }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS
- -S -o conftest.s conftest.c 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS
+ -S -o conftest.s conftest.c 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } \
- && grep -q .note.GNU-stack conftest.s \
- && { ac_try='${CC-cc} $ASFLAGS -Wa,--noexecstack
- -c -o conftest.o conftest.s 1>&5'
+ && grep -q .note.GNU-stack conftest.s \
+ && { ac_try='${CC-cc} $ASFLAGS -Wa,--noexecstack
+ -c -o conftest.o conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_as_noexecstack=yes
- else
- libc_cv_as_noexecstack=no
- fi
- rm -f conftest*
+then
+ libc_cv_as_noexecstack=yes
+else
+ libc_cv_as_noexecstack=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_as_noexecstack" >&5
$as_echo "$libc_cv_as_noexecstack" >&6; }
- if test $libc_cv_as_noexecstack = yes; then
- ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack"
- fi
+if test $libc_cv_as_noexecstack = yes; then
+ ASFLAGS_config="$ASFLAGS_config -Wa,--noexecstack"
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z combreloc" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z combreloc" >&5
$as_echo_n "checking for -z combreloc... " >&6; }
-if test "${libc_cv_z_combreloc+set}" = set; then :
+if ${libc_cv_z_combreloc+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
extern int bar (int);
extern int mumble;
int foo (void) { return bar (mumble); }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
-fPIC -shared -o conftest.so conftest.c
-nostdlib -nostartfiles
-Wl,-z,combreloc 1>&5'
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- if readelf -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
- libc_cv_z_combreloc=yes
- else
- libc_cv_z_combreloc=no
- fi
+then
+ if $READELF -S conftest.so | grep '\.rel\(a\|\)\.dyn' > /dev/null; then
+ libc_cv_z_combreloc=yes
else
libc_cv_z_combreloc=no
fi
- rm -f conftest*
+else
+ libc_cv_z_combreloc=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_combreloc" >&5
$as_echo "$libc_cv_z_combreloc" >&6; }
- if test "$libc_cv_z_combreloc" = yes; then
- $as_echo "#define HAVE_Z_COMBRELOC 1" >>confdefs.h
+if test "$libc_cv_z_combreloc" = yes; then
+ $as_echo "#define HAVE_Z_COMBRELOC 1" >>confdefs.h
- fi
+fi
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z execstack" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -z execstack" >&5
$as_echo_n "checking for -z execstack... " >&6; }
-if test "${libc_cv_z_execstack+set}" = set; then :
+if ${libc_cv_z_execstack+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -Wl,-z,execstack -nostdlib
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -Wl,-z,execstack -nostdlib
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_z_execstack=yes
- else
- libc_cv_z_execstack=no
- fi
- rm -f conftest*
+then
+ libc_cv_z_execstack=yes
+else
+ libc_cv_z_execstack=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_z_execstack" >&5
$as_echo "$libc_cv_z_execstack" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
$as_echo_n "checking for -fpie... " >&6; }
-if test "${libc_cv_fpie+set}" = set; then :
+if ${libc_cv_fpie+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int foo;
main () { return 0;}
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
- -o conftest conftest.c 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -pie -fpie
+ -o conftest conftest.c 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
- then
- libc_cv_fpie=yes
- else
- libc_cv_fpie=no
- fi
- rm -f conftest*
+then
+ libc_cv_fpie=yes
+else
+ libc_cv_fpie=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_fpie" >&5
$as_echo "$libc_cv_fpie" >&6; }
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --hash-style option" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for --hash-style option" >&5
$as_echo_n "checking for --hash-style option... " >&6; }
-if test "${libc_cv_hashstyle+set}" = set; then :
+if ${libc_cv_hashstyle+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<EOF
+ cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
- -fPIC -shared -o conftest.so conftest.c
- -Wl,--hash-style=both -nostdlib 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS
+ -fPIC -shared -o conftest.so conftest.c
+ -Wl,--hash-style=both -nostdlib 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
+then
+ libc_cv_hashstyle=yes
+else
+ libc_cv_hashstyle=no
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_hashstyle" >&5
+$as_echo "$libc_cv_hashstyle" >&6; }
+
+
+# The linker's default -shared behavior is good enough if it
+# does these things that our custom linker scripts ensure that
+# all allocated NOTE sections come first.
+if test "$use_default_link" = default; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for sufficient default -shared layout" >&5
+$as_echo_n "checking for sufficient default -shared layout... " >&6; }
+if ${libc_cv_use_default_link+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ libc_cv_use_default_link=no
+ cat > conftest.s <<\EOF
+ .section .note.a,"a",%note
+ .balign 4
+ .long 4,4,9
+ .string "GNU"
+ .string "foo"
+ .section .note.b,"a",%note
+ .balign 4
+ .long 4,4,9
+ .string "GNU"
+ .string "bar"
+EOF
+ if { ac_try=' ${CC-cc} $ASFLAGS -shared -o conftest.so conftest.s 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; } &&
+ ac_try=`$READELF -S conftest.so | sed -n \
+ '${x;p;}
+ s/^ *\[ *[1-9][0-9]*\] *\([^ ][^ ]*\) *\([^ ][^ ]*\) .*$/\2 \1/
+ t a
+ b
+ : a
+ H'`
then
- libc_cv_hashstyle=yes
- else
- libc_cv_hashstyle=no
+ libc_seen_a=no libc_seen_b=no
+ set -- $ac_try
+ while test $# -ge 2 -a "$1" = NOTE; do
+ case "$2" in
+ .note.a) libc_seen_a=yes ;;
+ .note.b) libc_seen_b=yes ;;
+ esac
+ shift 2
+ done
+ case "$libc_seen_a$libc_seen_b" in
+ yesyes)
+ libc_cv_use_default_link=yes
+ ;;
+ *)
+ echo >&5 "\
+$libc_seen_a$libc_seen_b from:
+$ac_try"
+ ;;
+ esac
fi
rm -f conftest*
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_hashstyle" >&5
-$as_echo "$libc_cv_hashstyle" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_use_default_link" >&5
+$as_echo "$libc_cv_use_default_link" >&6; }
+ use_default_link=$libc_cv_use_default_link
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking linker output format" >&5
+$as_echo_n "checking linker output format... " >&6; }
+if ${libc_cv_output_format+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if libc_cv_output_format=`
+${CC-cc} -nostartfiles -nostdlib -Wl,--print-output-format 2>&5`
+then
+ :
+else
+ libc_cv_output_format=
+fi
+test -n "$libc_cv_output_format" || libc_cv_output_format=unknown
fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_output_format" >&5
+$as_echo "$libc_cv_output_format" >&6; }
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fno-toplevel-reorder -fno-section-anchors" >&5
$as_echo_n "checking for -fno-toplevel-reorder -fno-section-anchors... " >&6; }
-if test "${libc_cv_fno_toplevel_reorder+set}" = set; then :
+if ${libc_cv_fno_toplevel_reorder+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5
$as_echo_n "checking for -fstack-protector... " >&6; }
-if test "${libc_cv_ssp+set}" = set; then :
+if ${libc_cv_ssp+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fgnu89-inline" >&5
$as_echo_n "checking for -fgnu89-inline... " >&6; }
-if test "${libc_cv_gnu89_inline+set}" = set; then :
+if ${libc_cv_gnu89_inline+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
fi
-if test $elf != yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for .init and .fini sections" >&5
-$as_echo_n "checking for .init and .fini sections... " >&6; }
-if test "${libc_cv_have_initfini+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-int
-main ()
-{
-asm (".section .init");
- asm (".section .fini");
- asm ("${libc_cv_dot_text}");
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_have_initfini=yes
-else
- libc_cv_have_initfini=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_initfini" >&5
-$as_echo "$libc_cv_have_initfini" >&6; }
- if test $libc_cv_have_initfini = yes; then
- $as_echo "#define HAVE_INITFINI 1" >>confdefs.h
-
- fi
-fi
-
-if test $elf = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5
$as_echo_n "checking whether cc puts quotes around section names... " >&6; }
-if test "${libc_cv_have_section_quotes+set}" = set; then :
+if ${libc_cv_have_section_quotes+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<EOF
- static const int foo
- __attribute__ ((section ("bar"))) = 1;
+ static const int foo
+ __attribute__ ((section ("bar"))) = 1;
EOF
- if ${CC-cc} -S conftest.c -o conftest.s; then
- if grep '\.section.*"bar"' conftest.s >/dev/null; then
- libc_cv_have_section_quotes=yes
- else
- libc_cv_have_section_quotes=no
- fi
+ if ${CC-cc} -S conftest.c -o conftest.s; then
+ if grep '\.section.*"bar"' conftest.s >/dev/null; then
+ libc_cv_have_section_quotes=yes
else
- libc_cv_have_section_quotes=unknown
+ libc_cv_have_section_quotes=no
fi
- rm -f conftest.cs
+ else
+ libc_cv_have_section_quotes=unknown
+ fi
+ rm -f conftest.{c,s}
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_section_quotes" >&5
$as_echo "$libc_cv_have_section_quotes" >&6; }
- if test $libc_cv_have_section_quotes = yes; then
- $as_echo "#define HAVE_SECTION_QUOTES 1" >>confdefs.h
+if test $libc_cv_have_section_quotes = yes; then
+ $as_echo "#define HAVE_SECTION_QUOTES 1" >>confdefs.h
- fi
-fi
-
-
-
-if test $elf = yes; then
- libc_cv_asm_underscores=no
-else
- if test $ac_cv_prog_cc_works = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _ prefix on C symbol names" >&5
-$as_echo_n "checking for _ prefix on C symbol names... " >&6; }
-if test "${libc_cv_asm_underscores+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-asm ("_glibc_foobar:");
-int
-main ()
-{
-glibc_foobar ();
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- libc_cv_asm_underscores=yes
-else
- libc_cv_asm_underscores=no
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_underscores" >&5
-$as_echo "$libc_cv_asm_underscores" >&6; }
- else
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for _ prefix on C symbol names" >&5
-$as_echo_n "checking for _ prefix on C symbol names... " >&6; }
-if test "${libc_cv_asm_underscores+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.$ac_ext <<EOF
-#line $LINENO "configure"
-#include "confdefs.h"
-void underscore_test(void) {
-return; }
-EOF
-if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
- (eval $ac_compile) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; then
- if grep _underscore_test conftest* >/dev/null; then
- rm -f conftest*
- libc_cv_asm_underscores=yes
- else
- rm -f conftest*
- libc_cv_asm_underscores=no
- fi
-else
- echo "configure: failed program was:" >&5
- cat conftest.$ac_ext >&5
- rm -f conftest*
- libc_cv_asm_underscores=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_underscores" >&5
-$as_echo "$libc_cv_asm_underscores" >&6; }
- fi
-fi
-if test $libc_cv_asm_underscores = no; then
- $as_echo "#define NO_UNDERSCORES 1" >>confdefs.h
-
-fi
-
-if test $elf = yes; then
- libc_cv_weak_symbols=yes
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .weak directive" >&5
$as_echo_n "checking for assembler .weak directive... " >&6; }
-if test "${libc_cv_asm_weak_directive+set}" = set; then :
+if ${libc_cv_asm_weak_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
if test $libc_cv_asm_weak_directive = no; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler .weakext directive" >&5
$as_echo_n "checking for assembler .weakext directive... " >&6; }
-if test "${libc_cv_asm_weakext_directive+set}" = set; then :
+if ${libc_cv_asm_weakext_directive+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CFI directives are supported" >&5
$as_echo_n "checking whether CFI directives are supported... " >&6; }
-if test "${libc_cv_asm_cfi_directives+set}" = set; then :
+if ${libc_cv_asm_cfi_directives+:} false; then :
$as_echo_n "(cached) " >&6
else
case $machine in
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld --no-whole-archive" >&5
$as_echo_n "checking for ld --no-whole-archive... " >&6; }
-if test "${libc_cv_ld_no_whole_archive+set}" = set; then :
+if ${libc_cv_ld_no_whole_archive+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ld_no_whole_archive" >&5
$as_echo "$libc_cv_ld_no_whole_archive" >&6; }
-if test $libc_cv_ld_no_whole_archive = yes; then
- no_whole_archive=-Wl,--no-whole-archive
+if test $libc_cv_ld_no_whole_archive = no; then
+ as_fn_error $? "support for --no-whole-archive is needed" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for gcc -fexceptions" >&5
$as_echo_n "checking for gcc -fexceptions... " >&6; }
-if test "${libc_cv_gcc_exceptions+set}" = set; then :
+if ${libc_cv_gcc_exceptions+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
# and versions 1.0.x of EGCS.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether clobbering cr0 causes problems" >&5
$as_echo_n "checking whether clobbering cr0 causes problems... " >&6; }
-if test "${libc_cv_c_asmcr0_bug+set}" = set; then :
+if ${libc_cv_c_asmcr0_bug+:} false; then :
$as_echo_n "(cached) " >&6
else
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
fi
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_expect" >&5
-$as_echo_n "checking for __builtin_expect... " >&6; }
-if test "${libc_cv_gcc_builtin_expect+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<EOF
-#line $LINENO "configure"
-int foo (int a)
-{
- a = __builtin_expect (a, 10);
- return a == 10 ? 0 : 1;
-}
-EOF
-if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostdlib -nostartfiles
- -o conftest conftest.c -lgcc >&5'
- { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
- (eval $ac_try) 2>&5
- ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_gcc_builtin_expect=yes
-else
- libc_cv_gcc_builtin_expect=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_expect" >&5
-$as_echo "$libc_cv_gcc_builtin_expect" >&6; }
-if test "$libc_cv_gcc_builtin_expect" = yes; then
- $as_echo "#define HAVE_BUILTIN_EXPECT 1" >>confdefs.h
-
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __builtin_memset" >&5
$as_echo_n "checking for __builtin_memset... " >&6; }
-if test "${libc_cv_gcc_builtin_memset+set}" = set; then :
+if ${libc_cv_gcc_builtin_memset+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for redirection of built-in functions" >&5
$as_echo_n "checking for redirection of built-in functions... " >&6; }
-if test "${libc_cv_gcc_builtin_redirection+set}" = set; then :
+if ${libc_cv_gcc_builtin_redirection+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_builtin_redirection" >&5
$as_echo "$libc_cv_gcc_builtin_redirection" >&6; }
-if test "$libc_cv_gcc_builtin_redirection" = yes ; then
- $as_echo "#define HAVE_BUILTIN_REDIRECTION 1" >>confdefs.h
-
+if test "$libc_cv_gcc_builtin_redirection" = no; then
+ as_fn_error $? "support for the symbol redirection needed" "$LINENO" 5
fi
-if test "x$use__thread" != xno; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for __thread" >&5
$as_echo_n "checking for __thread... " >&6; }
-if test "${libc_cv_gcc___thread+set}" = set; then :
+if ${libc_cv_gcc___thread+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
__thread int a = 42;
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -c conftest.c >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_gcc___thread=yes
- else
- libc_cv_gcc___thread=no
- fi
- rm -f conftest*
+ libc_cv_gcc___thread=yes
+else
+ libc_cv_gcc___thread=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc___thread" >&5
$as_echo "$libc_cv_gcc___thread" >&6; }
- if test "$libc_cv_gcc___thread" = yes; then
- $as_echo "#define HAVE___THREAD 1" >>confdefs.h
-
- fi
-else
- libc_cv_gcc___thread=no
+if test "$libc_cv_gcc___thread" = no; then
+ as_fn_error $? "support for the __thread keyword is required" "$LINENO" 5
fi
-if test "$libc_cv_gcc___thread" = yes; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for tls_model attribute" >&5
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for tls_model attribute" >&5
$as_echo_n "checking for tls_model attribute... " >&6; }
-if test "${libc_cv_gcc_tls_model_attr+set}" = set; then :
+if ${libc_cv_gcc_tls_model_attr+:} false; then :
$as_echo_n "(cached) " >&6
else
- cat > conftest.c <<\EOF
+ cat > conftest.c <<\EOF
extern __thread int a __attribute__((tls_model ("initial-exec")));
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -S -Werror conftest.c >&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_gcc_tls_model_attr=yes
- else
- libc_cv_gcc_tls_model_attr=no
- fi
- rm -f conftest*
+ libc_cv_gcc_tls_model_attr=yes
+else
+ libc_cv_gcc_tls_model_attr=no
+fi
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_tls_model_attr" >&5
$as_echo "$libc_cv_gcc_tls_model_attr" >&6; }
- if test "$libc_cv_gcc_tls_model_attr" = yes; then
- $as_echo "#define HAVE_TLS_MODEL_ATTRIBUTE 1" >>confdefs.h
-
- fi
+if test "$libc_cv_gcc_tls_model_attr" = no; then
+ as_fn_error $? "support for the tls_model attribute is required" "$LINENO" 5
fi
if test -n "$submachine"; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for compiler option for CPU variant" >&5
$as_echo_n "checking for compiler option for CPU variant... " >&6; }
-if test "${libc_cv_cc_submachine+set}" = set; then :
+if ${libc_cv_cc_submachine+:} false; then :
$as_echo_n "(cached) " >&6
else
libc_cv_cc_submachine=no
# See if we have the SELinux library
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for is_selinux_enabled in -lselinux" >&5
$as_echo_n "checking for is_selinux_enabled in -lselinux... " >&6; }
-if test "${ac_cv_lib_selinux_is_selinux_enabled+set}" = set; then :
+if ${ac_cv_lib_selinux_is_selinux_enabled+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_selinux_is_selinux_enabled" >&5
$as_echo "$ac_cv_lib_selinux_is_selinux_enabled" >&6; }
-if test "x$ac_cv_lib_selinux_is_selinux_enabled" = x""yes; then :
+if test "x$ac_cv_lib_selinux_is_selinux_enabled" = xyes; then :
have_selinux=yes
else
have_selinux=no
# See if we have the libaudit library
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for audit_log_user_avc_message in -laudit" >&5
$as_echo_n "checking for audit_log_user_avc_message in -laudit... " >&6; }
-if test "${ac_cv_lib_audit_audit_log_user_avc_message+set}" = set; then :
+if ${ac_cv_lib_audit_audit_log_user_avc_message+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_audit_audit_log_user_avc_message" >&5
$as_echo "$ac_cv_lib_audit_audit_log_user_avc_message" >&6; }
-if test "x$ac_cv_lib_audit_audit_log_user_avc_message" = x""yes; then :
+if test "x$ac_cv_lib_audit_audit_log_user_avc_message" = xyes; then :
have_libaudit=yes
else
have_libaudit=no
# See if we have the libcap library
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for cap_init in -lcap" >&5
$as_echo_n "checking for cap_init in -lcap... " >&6; }
-if test "${ac_cv_lib_cap_cap_init+set}" = set; then :
+if ${ac_cv_lib_cap_cap_init+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cap_cap_init" >&5
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;;
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