# This file is generated from configure.ac by Autoconf. DO NOT EDIT! # Local configure fragment for sysdeps/x86. if test $enable_cet != no; then # Check if CET can be enabled. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether CET can be enabled" >&5 $as_echo_n "checking whether CET can be enabled... " >&6; } if ${libc_cv_x86_cet_available+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest.c <<EOF #if !defined __CET__ || __CET__ != 3 # error CET isn't available. #endif EOF if { ac_try='${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_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_x86_cet_available" >&5 $as_echo "$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 if test $enable_cet != no; then # Check if assembler supports CET. { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether assembler supports CET" >&5 $as_echo_n "checking whether assembler supports CET... " >&6; } if ${libc_cv_x86_cet_as+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest.s <<EOF incsspd %ecx EOF if { ac_try='${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 test $ac_status = 0; }; }; then libc_cv_x86_cet_as=yes else libc_cv_x86_cet_as=no fi rm -rf conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_x86_cet_as" >&5 $as_echo "$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 if test $enable_cet = yes; then $as_echo "#define DEFAULT_DL_X86_CET_CONTROL cet_elf_property" >>confdefs.h elif test $enable_cet = permissive; then $as_echo "#define DEFAULT_DL_X86_CET_CONTROL cet_permissive" >>confdefs.h fi config_vars="$config_vars enable-cet = $enable_cet" # Check if linker supports x86 ISA level. { $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker x86 ISA level support" >&5 $as_echo_n "checking for linker x86 ISA level support... " >&6; } if ${libc_cv_include_x86_isa_level+:} false; then : $as_echo_n "(cached) " >&6 else cat > conftest1.S <<EOF #ifdef __LP64__ # define P2ALIGN 3 #else # define P2ALIGN 2 #endif .section ".note.gnu.property", "a" .p2align P2ALIGN .long 1f - 0f /* name length. */ .long 4f - 1f /* data length. */ /* NT_GNU_PROPERTY_TYPE_0 */ .long 5 /* note type. */ 0: .asciz "GNU" /* vendor name. */ 1: .p2align P2ALIGN /* GNU_PROPERTY_X86_ISA_1_NEEDED */ .long 0xc0008002 /* pr_type. */ .long 3f - 2f /* pr_datasz. */ 2: .long 0x1 3: .p2align P2ALIGN 4: EOF cat > conftest2.S <<EOF #ifdef __LP64__ # define P2ALIGN 3 #else # define P2ALIGN 2 #endif .section ".note.gnu.property", "a" .p2align P2ALIGN .long 1f - 0f /* name length. */ .long 4f - 1f /* data length. */ /* NT_GNU_PROPERTY_TYPE_0 */ .long 5 /* note type. */ 0: .asciz "GNU" /* vendor name. */ 1: .p2align P2ALIGN /* GNU_PROPERTY_X86_ISA_1_NEEDED */ .long 0xc0008002 /* pr_type. */ .long 3f - 2f /* pr_datasz. */ 2: .long 0x2 3: .p2align P2ALIGN 4: EOF libc_cv_include_x86_isa_level=no if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -nostartfiles -nostdlib -r -o conftest conftest1.S conftest2.S' { { eval echo "\"\$as_me\":${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 count=`LC_ALL=C $READELF -n conftest | grep NT_GNU_PROPERTY_TYPE_0 | wc -l` if test "$count" = 1; then libc_cv_include_x86_isa_level=yes fi fi rm -f conftest* fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_include_x86_isa_level" >&5 $as_echo "$libc_cv_include_x86_isa_level" >&6; } if test $libc_cv_include_x86_isa_level = yes; then $as_echo "#define INCLUDE_X86_ISA_LEVEL 1" >>confdefs.h { $as_echo "$as_me:${as_lineno-$LINENO}: checking for LAHF/SAHF instruction support" >&5 $as_echo_n "checking for LAHF/SAHF instruction support... " >&6; } if ${libc_cv_have_x86_lahf_sahf+:} false; then : $as_echo_n "(cached) " >&6 else libc_cv_have_x86_lahf_sahf=no if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null' { { eval echo "\"\$as_me\":${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; }; } | grep -qE '(-msahf\b|-march=x86-64-v)'; then libc_cv_have_x86_lahf_sahf=yes fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_x86_lahf_sahf" >&5 $as_echo "$libc_cv_have_x86_lahf_sahf" >&6; } if test $libc_cv_have_x86_lahf_sahf = yes; then $as_echo "#define HAVE_X86_LAHF_SAHF 1" >>confdefs.h fi { $as_echo "$as_me:${as_lineno-$LINENO}: checking for MOVBE instruction support" >&5 $as_echo_n "checking for MOVBE instruction support... " >&6; } if ${libc_cv_have_x86_movbe+:} false; then : $as_echo_n "(cached) " >&6 else libc_cv_have_x86_movbe=no if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null' { { eval echo "\"\$as_me\":${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; }; } | grep -qE '(-mmovbe\b|-march=x86-64-v([3-9]|[1-9][0-9]))'; then libc_cv_have_x86_movbe=yes fi fi { $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_x86_movbe" >&5 $as_echo "$libc_cv_have_x86_movbe" >&6; } if test $libc_cv_have_x86_movbe = yes; then $as_echo "#define HAVE_X86_MOVBE 1" >>confdefs.h fi fi config_vars="$config_vars enable-x86-isa-level = $libc_cv_include_x86_isa_level" $as_echo "#define SUPPORT_STATIC_PIE 1" >>confdefs.h