# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/x86_64.
-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 ${ac_cv_prog_AS+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if test -n "$AS"; then
- ac_cv_prog_AS="$AS" # Let the user override the test.
-else
-as_save_IFS=$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_AS="$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
-AS=$ac_cv_prog_AS
-if test -n "$AS"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: $AS" >&5
-$as_echo "$AS" >&6; }
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking -mprefer-vector-width=128" >&5
+printf %s "checking -mprefer-vector-width=128... " >&6; }
+if test ${libc_cv_cc_mprefer_vector_width+y}
+then :
+ printf %s "(cached) " >&6
+else $as_nop
+ if { ac_try='${CC-cc} -mprefer-vector-width=128 -xc /dev/null -S -o /dev/null'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then :
+ libc_cv_cc_mprefer_vector_width=yes
+else $as_nop
+ libc_cv_cc_mprefer_vector_width=no
fi
-
- test -n "$AS" && break
-done
-
-if test -z "$AS"; then
- ac_verc_fail=yes
-else
- # Found it, now check the version.
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking version of $AS" >&5
-$as_echo_n "checking version of $AS... " >&6; }
- ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\).*$/\1/p'`
- case $ac_prog_version in
- '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
- 2.2[4-9]*|2.[3-9][0-9]*|[3-9].*|[1-9][0-9]*)
- ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
- *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
-
- 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 The program AS is required in version >= 2.24 for target x86_64."
fi
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_mprefer_vector_width" >&5
+printf "%s\n" "$libc_cv_cc_mprefer_vector_width" >&6; }
+config_vars="$config_vars
+config-cflags-mprefer-vector-width = $libc_cv_cc_mprefer_vector_width"
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512DQ support in assembler" >&5
-$as_echo_n "checking for AVX512DQ support in assembler... " >&6; }
-if ${libc_cv_asm_avx512dq+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<\EOF
- vandpd (%rax), %zmm6, %zmm1
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z mark-plt" >&5
+printf %s "checking for linker that supports -z mark-plt... " >&6; }
+libc_linker_feature=no
+cat > conftest.c <<EOF
+int _start (void) { return 42; }
EOF
-if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,-z,mark-plt -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then
- libc_cv_asm_avx512dq=yes
-else
- libc_cv_asm_avx512dq=no
+ printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,mark-plt -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: -z mark-plt ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
+ fi
fi
rm -f conftest*
+if test $libc_linker_feature = yes; then
+ libc_cv_z_mark_plt=yes
+else
+ libc_cv_z_mark_plt=no
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_avx512dq" >&5
-$as_echo "$libc_cv_asm_avx512dq" >&6; }
-if test $libc_cv_asm_avx512dq = yes; then
- $as_echo "#define HAVE_AVX512DQ_ASM_SUPPORT 1" >>confdefs.h
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_linker_feature" >&5
+printf "%s\n" "$libc_linker_feature" >&6; }
+config_vars="$config_vars
+have-z-mark-plt = $libc_cv_z_mark_plt"
+if test x"$build_mathvec" = xnotset; then
+ build_mathvec=yes
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for AVX512 support" >&5
-$as_echo_n "checking for AVX512 support... " >&6; }
-if ${libc_cv_cc_avx512+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- if { ac_try='${CC-cc} -mavx512f -xc /dev/null -S -o /dev/null'
+if test $enable_cet != no; then
+ # Check if CET can be enabled.
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5
+printf %s "checking whether CET can be enabled... " >&6; }
+if test ${libc_cv_x86_cet_available+y}
+then :
+ printf %s "(cached) " >&6
+else $as_nop
+ cat > conftest.c <<EOF
+#if !defined __CET__ || __CET__ != 3
+# error CET isn't available.
+#endif
+EOF
+ if { ac_try='${CC-cc} -c $CFLAGS -fcf-protection -include cet.h conftest.c 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
- test $ac_status = 0; }; }; then :
- libc_cv_cc_avx512=$libc_cv_asm_avx512dq
-else
- libc_cv_cc_avx512=no
-fi
-
+ printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }; then
+ libc_cv_x86_cet_available=yes
+ else
+ libc_cv_x86_cet_available=no
+ fi
+ rm -rf conftest*
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_cc_avx512" >&5
-$as_echo "$libc_cv_cc_avx512" >&6; }
-if test $libc_cv_cc_avx512 = yes; then
- $as_echo "#define HAVE_AVX512_SUPPORT 1" >>confdefs.h
-
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_available" >&5
+printf "%s\n" "$libc_cv_x86_cet_available" >&6; }
+ if test $libc_cv_x86_cet_available != yes; then
+ as_fn_error $? "$CC doesn't support CET" "$LINENO" 5
+ fi
fi
-config_vars="$config_vars
-config-cflags-avx512 = $libc_cv_cc_avx512"
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Intel MPX support" >&5
-$as_echo_n "checking for Intel MPX support... " >&6; }
-if ${libc_cv_asm_mpx+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<\EOF
- bndmov %bnd0,(%rsp)
+if test $enable_cet != no; then
+ # Check if assembler supports CET.
+ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CET" >&5
+printf %s "checking whether assembler supports CET... " >&6; }
+if test ${libc_cv_x86_cet_as+y}
+then :
+ printf %s "(cached) " >&6
+else $as_nop
+ cat > conftest.s <<EOF
+ incsspd %ecx
EOF
-if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5'
+ if { ac_try='${CC-cc} -c $CFLAGS conftest.s -o conftest.o 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
- $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
- libc_cv_asm_mpx=yes
-else
- libc_cv_asm_mpx=no
+ libc_cv_x86_cet_as=yes
+ else
+ libc_cv_x86_cet_as=no
+ fi
+ rm -rf conftest*
fi
-rm -f conftest*
+{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5
+printf "%s\n" "$libc_cv_x86_cet_as" >&6; }
+ if test $libc_cv_x86_cet_as = no; then
+ as_fn_error $? "$AS doesn't support CET" "$LINENO" 5
+ fi
fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_asm_mpx" >&5
-$as_echo "$libc_cv_asm_mpx" >&6; }
-if test $libc_cv_asm_mpx = yes; then
- $as_echo "#define HAVE_MPX_SUPPORT 1" >>confdefs.h
+if test $enable_cet = yes; then
+ printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property" >>confdefs.h
-fi
+elif test $enable_cet = permissive; then
+ printf "%s\n" "#define DEFAULT_DL_X86_CET_CONTROL cet_permissive" >>confdefs.h
-if test x"$build_mathvec" = xnotset; then
- build_mathvec=yes
fi
-
-$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
-
+config_vars="$config_vars
+enable-cet = $enable_cet"
test -n "$critic_missing" && as_fn_error $? "
*** $critic_missing" "$LINENO" 5
+
projects / platform / upstream / glibc.git / blobdiff