# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.69 for GNU C Library (see version.h).
#
-# Report bugs to <http://sourceware.org/bugzilla/>.
+# Report bugs to <https://sourceware.org/bugzilla/>.
#
#
# Copyright (C) 1992-1996, 1998-2012 Free Software Foundation, Inc.
$as_echo "$0: be upgraded to zsh 4.3.4 or later."
else
$as_echo "$0: Please tell bug-autoconf@gnu.org and
-$0: http://sourceware.org/bugzilla/ about your system,
+$0: https://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."
PACKAGE_TARNAME='glibc'
PACKAGE_VERSION='(see version.h)'
PACKAGE_STRING='GNU C Library (see version.h)'
-PACKAGE_BUGREPORT='http://sourceware.org/bugzilla/'
-PACKAGE_URL='http://www.gnu.org/software/glibc/'
+PACKAGE_BUGREPORT='https://sourceware.org/bugzilla/'
+PACKAGE_URL='https://www.gnu.org/software/glibc/'
ac_unique_file="include/features.h"
enable_option_checking=no
profile
libc_cv_multidir
libc_cv_pie_default
+libc_cv_cc_pie_default
libc_cv_pic_default
shared
static
libc_cv_cc_with_libunwind
libc_cv_insert
libc_cv_protected_data
-BISON
INSTALL_INFO
PERL
BASH_SHELL
PYTHON_PROG
AUTOCONF
NM
+BISON
AWK
SED
MAKEINFO
sysnames
submachine
multi_arch
+libc_cv_textrel_ifunc
no_stack_protector
stack_protector
libc_cv_ssp
+libc_cv_with_fp
base_machine
have_tunables
build_pt_chown
link_obsolete_rpc
libc_cv_static_nss_crypt
libc_cv_nss_crypt
+build_crypt
experimental_malloc
enable_werror
all_warnings
force_install
bindnow
-enable_lock_elision
hardcoded_path_in_tests
enable_timezone_tools
+extra_nonshared_cflags
use_default_link
sysheaders
-with_fp
ac_ct_CXX
CXXFLAGS
CXX
with_gd
with_gd_include
with_gd_lib
-with_fp
with_binutils
with_selinux
with_headers
with_default_link
+with_nonshared_cflags
enable_sanity_checks
enable_shared
enable_profile
+enable_static_pie
enable_timezone_tools
enable_hardcoded_path_in_tests
enable_stackguard_randomization
-enable_lock_elision
enable_hidden_plt
enable_bind_now
enable_stack_protector
enable_werror
enable_multi_arch
enable_experimental_malloc
+enable_crypt
enable_nss_crypt
enable_obsolete_rpc
enable_obsolete_nsl
enable_pt_chown
enable_tunables
enable_mathvec
+enable_cet
with_cpu
'
ac_precious_vars='build_alias
in special situations) [default=yes]
--enable-shared build shared library [default=yes if GNU ld]
--enable-profile build profiled library [default=no]
+ --enable-static-pie enable static PIE support and use it in the
+ testsuite [default=no]
--disable-timezone-tools
do not install timezone tools [default=install]
--enable-hardcoded-path-in-tests
--enable-stackguard-randomization
initialize __stack_chk_guard canary with a random
number at program start
- --enable-lock-elision=yes/no
- Enable lock elision for pthread mutexes by default
--disable-hidden-plt do not hide internal function calls to avoid PLT
--enable-bind-now disable lazy relocations in DSOs
--enable-stack-protector=[yes|no|all|strong]
architectures
--disable-experimental-malloc
disable experimental malloc features
+ --disable-crypt do not build nor install the passphrase hashing
+ library, libcrypt
--enable-nss-crypt enable libcrypt to use nss
--enable-obsolete-rpc build and install the obsolete RPC code for
link-time usage
'no' and 'valstring'
--enable-mathvec Enable building and installing mathvec [default
depends on architecture]
+ --enable-cet enable Intel Control-flow Enforcement Technology
+ (CET), x86 only
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--with-gd=DIR find libgd include dir and library with prefix DIR
--with-gd-include=DIR find libgd include files in DIR
--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-selinux if building with SELinux support
--with-headers=PATH location of system headers to use (for example
/usr/src/linux/include) [default=compiler default]
--with-default-link do not use explicit linker scripts
+ --with-nonshared-cflags=CFLAGS
+ build nonshared libraries with additional CFLAGS
--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 <http://sourceware.org/bugzilla/>.
-GNU C Library home page: <http://www.gnu.org/software/glibc/>.
+Report bugs to <https://sourceware.org/bugzilla/>.
+GNU C Library home page: <https://www.gnu.org/software/glibc/>.
General help using GNU software: <http://www.gnu.org/gethelp/>.
_ACEOF
ac_status=$?
;;
esac
else
- BUGURL="http://www.gnu.org/software/libc/bugs.html"
+ BUGURL="https://www.gnu.org/software/libc/bugs.html"
fi
# We require GCC, and by default use its preprocessor. Override AC_PROG_CPP
# here to work around the Autoconf issue discussed in
-# <http://sourceware.org/ml/libc-alpha/2013-01/msg00721.html>.
+# <https://sourceware.org/ml/libc-alpha/2013-01/msg00721.html>.
# AC_PROG_CPP
# We require GCC. Override _AC_PROG_CC_C89 here to work around the Autoconf
# issue discussed in
-# <http://sourceware.org/ml/libc-alpha/2013-01/msg00757.html>.
+# <https://sourceware.org/ml/libc-alpha/2013-01/msg00757.html>.
fi
-# Check whether --with-fp was given.
-if test "${with_fp+set}" = set; then :
- withval=$with_fp; with_fp=$withval
-else
- with_fp=yes
-fi
-
-
-
# Check whether --with-binutils was given.
if test "${with_binutils+set}" = set; then :
withval=$with_binutils; path_binutils=$withval
fi
+
+# Check whether --with-nonshared-cflags was given.
+if test "${with_nonshared_cflags+set}" = set; then :
+ withval=$with_nonshared_cflags; extra_nonshared_cflags=$withval
+else
+ extra_nonshared_cflags=
+fi
+
+
+
# Check whether --enable-sanity-checks was given.
if test "${enable_sanity_checks+set}" = set; then :
enableval=$enable_sanity_checks; enable_sanity=$enableval
profile=no
fi
+# Check whether --enable-static-pie was given.
+if test "${enable_static_pie+set}" = set; then :
+ enableval=$enable_static_pie; static_pie=$enableval
+else
+ static_pie=no
+fi
+
# Check whether --enable-timezone-tools was given.
if test "${enable_timezone_tools+set}" = set; then :
enableval=$enable_timezone_tools; enable_timezone_tools=$enableval
fi
-# Check whether --enable-lock-elision was given.
-if test "${enable_lock_elision+set}" = set; then :
- enableval=$enable_lock_elision; enable_lock_elision=$enableval
-else
- enable_lock_elision=no
-fi
-
-
-if test "$enable_lock_elision" = yes ; then
- $as_echo "#define ENABLE_LOCK_ELISION 1" >>confdefs.h
-
-fi
-
# Check whether --enable-hidden-plt was given.
if test "${enable_hidden_plt+set}" = set; then :
enableval=$enable_hidden_plt; hidden=$enableval
+# Check whether --enable-crypt was given.
+if test "${enable_crypt+set}" = set; then :
+ enableval=$enable_crypt; build_crypt=$enableval
+else
+ build_crypt=yes
+fi
+
+
+
# Check whether --enable-nss-crypt was given.
if test "${enable_nss_crypt+set}" = set; then :
enableval=$enable_nss_crypt; nss_crypt=$enableval
nss_crypt=no
fi
+if test x$build_libcrypt = xno && test x$nss_crypt = xyes; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&5
+$as_echo "$as_me: WARNING: --enable-nss-crypt has no effect when libcrypt is disabled" >&2;}
+ nss_crypt=no
+fi
if test x$nss_crypt = xyes; then
nss_includes=-I$(nss-config --includedir 2>/dev/null)
if test $? -ne 0; then
fi
+# Check whether --enable-cet was given.
+if test "${enable_cet+set}" = set; then :
+ enableval=$enable_cet; enable_cet=$enableval
+else
+ enable_cet=no
+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.
# check below.
libc_config_ok=no
+# A preconfigure script for a system that may or may not use fpu
+# sysdeps directories sets this to a preprocessor conditional for
+# whether to use such directories.
+with_fp_cond=1
+
if frags=`ls -d $srcdir/sysdeps/*/preconfigure 2> /dev/null`
then
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for sysdeps preconfigure fragments" >&5
test -n "$base_machine" || base_machine=$machine
+# Determine whether to use fpu or nofpu sysdeps directories.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for use of fpu sysdeps directories" >&5
+$as_echo_n "checking for use of fpu sysdeps directories... " >&6; }
+if ${libc_cv_with_fp+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat > conftest.c <<EOF
+#if $with_fp_cond
+int dummy;
+#else
+# error "no hardware floating point"
+#endif
+EOF
+libc_cv_with_fp=no
+if ${CC-cc} $CFLAGS $CPPFLAGS -S conftest.c -o conftest.s \
+ 1>&5 2>&5 ; then
+ libc_cv_with_fp=yes
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_with_fp" >&5
+$as_echo "$libc_cv_with_fp" >&6; }
+
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fstack-protector" >&5
$as_echo_n "checking for -fstack-protector... " >&6; }
if ${libc_cv_ssp+:} false; then :
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_gcc_indirect_function" >&5
$as_echo "$libc_cv_gcc_indirect_function" >&6; }
+# Check if linker supports textrel relocation with ifunc (used on elf/tests).
+# Note that it relies on libc_cv_ld_gnu_indirect_function test above.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the linker supports textrels along with ifunc" >&5
+$as_echo_n "checking whether the linker supports textrels along with ifunc... " >&6; }
+if ${libc_cv_textrel_ifunc+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat > conftest.S <<EOF
+.type foo,%gnu_indirect_function
+foo:
+.globl _start
+_start:
+.globl __start
+__start:
+.data
+#ifdef _LP64
+.quad foo
+#else
+.long foo
+#endif
+.text
+.globl address
+address:
+#ifdef _LP64
+.quad address
+#else
+.long address
+#endif
+EOF
+libc_cv_textrel_ifunc=no
+if test $libc_cv_ld_gnu_indirect_function = yes; then
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -nostartfiles -nostdlib $no_ssp -pie -o conftest conftest.S'
+ { { eval echo "\"\$as_me\":${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_textrel_ifunc=yes
+ fi
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_textrel_ifunc" >&5
+$as_echo "$libc_cv_textrel_ifunc" >&6; }
+
+
# Check if gcc warns about alias for function with incompatible types.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler warns about alias for function with incompatible types" >&5
$as_echo_n "checking if compiler warns about alias for function with incompatible types... " >&6; }
while m=`echo $tail | sed 's@^\(.*\)/\([^/]*\)$@& \1@'`; test -n "$m"; do
set $m
# Prepend the machine's FPU directory unless --without-fp.
- if test "$with_fp" = yes; then
+ if test "$libc_cv_with_fp" = yes; then
maybe_fpu=/fpu
else
maybe_fpu=/nofpu
ac_prog_version=`$MAKE --version 2>&1 | sed -n 's/^.*GNU Make[^0-9]*\([0-9][0-9.]*\).*$/\1/p'`
case $ac_prog_version in
'') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 3.79* | 3.[89]* | [4-9].* | [1-9][0-9]*)
+ [4-9].* | [1-9][0-9]*)
ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
*) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
critic_missing="$critic_missing gawk"
fi
+for ac_prog in bison
+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 ${ac_cv_prog_BISON+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if test -n "$BISON"; then
+ ac_cv_prog_BISON="$BISON" # Let the user override the test.
+else
+as_save_IFS=$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 '' $ac_executable_extensions; do
+ if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
+ ac_cv_prog_BISON="$ac_prog"
+ $as_echo "$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
+BISON=$ac_cv_prog_BISON
+if test -n "$BISON"; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
+$as_echo "$BISON" >&6; }
+else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
+$as_echo "no" >&6; }
+fi
+
+
+ test -n "$BISON" && break
+done
+
+if test -z "$BISON"; then
+ ac_verc_fail=yes
+else
+ # Found it, now check the version.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
+$as_echo_n "checking version of $BISON... " >&6; }
+ ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 2.7*|[3-9].*|[1-9][0-9]*)
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+$as_echo "$ac_prog_version" >&6; }
+fi
+if test $ac_verc_fail = yes; then
+ critic_missing="$critic_missing bison"
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if $CC is sufficient to build libc" >&5
$as_echo_n "checking if $CC is sufficient to build libc... " >&6; }
main ()
{
-#if !defined __GNUC__ || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 9)
+#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)
#error insufficient compiler
#endif
;
test -n "$PYTHON_PROG" && break
done
-test -n "$PYTHON_PROG" || PYTHON_PROG="no"
-
-case "x$PYTHON_PROG" in
-xno|x|x:) PYTHON_PROG=no ;;
-*) ;;
-esac
-if test "x$PYTHON_PROG" = xno; then
- aux_missing="$aux_missing python"
+if test -z "$PYTHON_PROG"; then
+ ac_verc_fail=yes
else
- PYTHON="$PYTHON_PROG -B"
+ # Found it, now check the version.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $PYTHON_PROG" >&5
+$as_echo_n "checking version of $PYTHON_PROG... " >&6; }
+ ac_prog_version=`$PYTHON_PROG --version 2>&1 | sed -n 's/^.*Python \([0-9][0-9.]*\).*$/\1/p'`
+ case $ac_prog_version in
+ '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+ 3.[4-9]*|3.[1-9][0-9]*|[4-9].*|[1-9][0-9]*)
+ ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+ *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+ esac
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
+$as_echo "$ac_prog_version" >&6; }
fi
+if test $ac_verc_fail = yes; then
+ critic_missing="$critic_missing python"
+fi
+
+PYTHON="$PYTHON_PROG -B"
+
test -n "$critic_missing" && as_fn_error $? "
*** These critical programs are missing or too old:$critic_missing
fi
-for ac_prog in bison
-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 ${ac_cv_prog_BISON+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$BISON"; then
- ac_cv_prog_BISON="$BISON" # Let the user override the test.
-else
-as_save_IFS=$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 '' $ac_executable_extensions; do
- if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then
- ac_cv_prog_BISON="$ac_prog"
- $as_echo "$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
-BISON=$ac_cv_prog_BISON
-if test -n "$BISON"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $BISON" >&5
-$as_echo "$BISON" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
-fi
-
-
- test -n "$BISON" && break
-done
-
-if test -z "$BISON"; then
- ac_verc_fail=yes
-else
- # Found it, now check the version.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $BISON" >&5
-$as_echo_n "checking version of $BISON... " >&6; }
- ac_prog_version=`$BISON --version 2>&1 | sed -n 's/^.*bison (GNU Bison) \([0-9]*\.[0-9.]*\).*$/\1/p'`
- case $ac_prog_version in
- '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 2.7*|[3-9].*|[1-9][0-9]*)
- ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
- *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
-
- esac
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_prog_version" >&5
-$as_echo "$ac_prog_version" >&6; }
-fi
-if test $ac_verc_fail = yes; then
- BISON=no
-fi
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for .set assembler directive" >&5
$as_echo_n "checking for .set assembler directive... " >&6; }
$as_echo "$libc_linker_feature" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5
+$as_echo_n "checking for linker that supports --no-dynamic-linker... " >&6; }
+libc_linker_feature=no
+if test x"$gnu_ld" = x"yes"; then
+ libc_linker_check=`$LD -v --help 2>/dev/null | grep "\--no-dynamic-linker"`
+ if test -n "$libc_linker_check"; then
+ cat > conftest.c <<EOF
+int _start (void) { return 42; }
+EOF
+ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,--no-dynamic-linker -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
+ { { eval echo "\"\$as_me\":${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_linker_feature=yes
+ fi
+ rm -f conftest*
+ fi
+fi
+if test $libc_linker_feature = yes; then
+ libc_cv_no_dynamic_linker=yes
+else
+ libc_cv_no_dynamic_linker=no
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+$as_echo "$libc_linker_feature" >&6; }
+config_vars="$config_vars
+have-no-dynamic-linker = $libc_cv_no_dynamic_linker"
+
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -static-pie" >&5
+$as_echo_n "checking for -static-pie... " >&6; }
+if ${libc_cv_static_pie+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+ if { ac_try='${CC-cc} -static-pie -xc /dev/null -S -o /dev/null'
+ { { 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_static_pie=yes
+else
+ libc_cv_static_pie=no
+fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_static_pie" >&5
+$as_echo "$libc_cv_static_pie" >&6; }
+config_vars="$config_vars
+have-static-pie = $libc_cv_static_pie"
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for -fpie" >&5
$as_echo_n "checking for -fpie... " >&6; }
if ${libc_cv_fpie+:} false; then :
$as_echo "#define HAVE_IFUNC 1" >>confdefs.h
fi
+config_vars="$config_vars
+have-ifunc = $libc_cv_ld_gnu_indirect_function"
if test x"$libc_cv_gcc_indirect_function" = xyes; then
$as_echo "#define HAVE_GCC_IFUNC 1" >>confdefs.h
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether -fPIE is default" >&5
$as_echo_n "checking whether -fPIE is default... " >&6; }
-if ${libc_cv_pie_default+:} false; then :
+if ${libc_cv_cc_pie_default+:} false; then :
$as_echo_n "(cached) " >&6
else
- libc_cv_pie_default=yes
+ libc_cv_cc_pie_default=yes
cat > conftest.c <<EOF
#if defined __PIE__ || defined __pie__ || defined PIE || defined pie
# error PIE is default.
#endif
EOF
if eval "${CC-cc} -S conftest.c 2>&5 1>&5"; then
- libc_cv_pie_default=no
+ libc_cv_cc_pie_default=no
fi
rm -f conftest.*
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_pie_default" >&5
-$as_echo "$libc_cv_pie_default" >&6; }
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_pie_default" >&5
+$as_echo "$libc_cv_cc_pie_default" >&6; }
+libc_cv_pie_default=$libc_cv_cc_pie_default
+
# Set the `multidir' variable by grabbing the variable from the compiler.
libc_cv_multidir=`${CC-cc} $CFLAGS $CPPFLAGS -print-multi-directory`
+if test "$static_pie" = yes; then
+ # The linker must support --no-dynamic-linker.
+ if test "$libc_cv_no_dynamic_linker" != yes; then
+ as_fn_error $? "linker support for --no-dynamic-linker needed" "$LINENO" 5
+ fi
+ # Default to PIE.
+ libc_cv_pie_default=yes
+ $as_echo "#define ENABLE_STATIC_PIE 1" >>confdefs.h
+
+fi
+config_vars="$config_vars
+enable-static-pie = $static_pie"
+
Configuration commands:
$config_commands
-Report bugs to <http://sourceware.org/bugzilla/>.
-GNU C Library home page: <http://www.gnu.org/software/glibc/>.
+Report bugs to <https://sourceware.org/bugzilla/>.
+GNU C Library home page: <https://www.gnu.org/software/glibc/>.
General help using GNU software: <http://www.gnu.org/gethelp/>."
_ACEOF
projects / thirdparty / glibc.git / blobdiff