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|
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/x86.
# Check if linker supports x86 ISA level.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for linker x86 ISA level support" >&5
printf %s "checking for linker x86 ISA level support... " >&6; }
if test ${libc_cv_include_x86_isa_level+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest1.S <<EOF
#ifdef __LP64__
# define P2ALIGN 3
#else
# define P2ALIGN 2
#endif
.section ".note.gnu.property", "a"
.p2align P2ALIGN
.long 1f - 0f /* name length. */
.long 4f - 1f /* data length. */
/* NT_GNU_PROPERTY_TYPE_0 */
.long 5 /* note type. */
0:
.asciz "GNU" /* vendor name. */
1:
.p2align P2ALIGN
/* GNU_PROPERTY_X86_ISA_1_NEEDED */
.long 0xc0008002 /* pr_type. */
.long 3f - 2f /* pr_datasz. */
2:
.long 0x1
3:
.p2align P2ALIGN
4:
EOF
cat > conftest2.S <<EOF
#ifdef __LP64__
# define P2ALIGN 3
#else
# define P2ALIGN 2
#endif
.section ".note.gnu.property", "a"
.p2align P2ALIGN
.long 1f - 0f /* name length. */
.long 4f - 1f /* data length. */
/* NT_GNU_PROPERTY_TYPE_0 */
.long 5 /* note type. */
0:
.asciz "GNU" /* vendor name. */
1:
.p2align P2ALIGN
/* GNU_PROPERTY_X86_ISA_1_NEEDED */
.long 0xc0008002 /* pr_type. */
.long 3f - 2f /* pr_datasz. */
2:
.long 0x2
3:
.p2align P2ALIGN
4:
EOF
libc_cv_include_x86_isa_level=no
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -nostartfiles -nostdlib -r -o conftest conftest1.S conftest2.S'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${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* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_include_x86_isa_level" >&5
printf "%s\n" "$libc_cv_include_x86_isa_level" >&6; }
if test $libc_cv_include_x86_isa_level = yes; then
printf "%s\n" "#define INCLUDE_X86_ISA_LEVEL 1" >>confdefs.h
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for LAHF/SAHF instruction support" >&5
printf %s "checking for LAHF/SAHF instruction support... " >&6; }
if test ${libc_cv_have_x86_lahf_sahf+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) libc_cv_have_x86_lahf_sahf=no
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } | grep -qE '(-msahf\b|-march=x86-64-v)'; then
libc_cv_have_x86_lahf_sahf=yes
fi ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_x86_lahf_sahf" >&5
printf "%s\n" "$libc_cv_have_x86_lahf_sahf" >&6; }
if test $libc_cv_have_x86_lahf_sahf = yes; then
printf "%s\n" "#define HAVE_X86_LAHF_SAHF 1" >>confdefs.h
ISAFLAG="-DHAVE_X86_LAHF_SAHF"
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for MOVBE instruction support" >&5
printf %s "checking for MOVBE instruction support... " >&6; }
if test ${libc_cv_have_x86_movbe+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) libc_cv_have_x86_movbe=no
if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - -x c /dev/null'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; } | grep -qE '(-mmovbe\b|-march=x86-64-v([3-9]|[1-9][0-9]))'; then
libc_cv_have_x86_movbe=yes
fi ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_x86_movbe" >&5
printf "%s\n" "$libc_cv_have_x86_movbe" >&6; }
if test $libc_cv_have_x86_movbe = yes; then
printf "%s\n" "#define HAVE_X86_MOVBE 1" >>confdefs.h
ISAFLAG="$ISAFLAG -DHAVE_X86_MOVBE"
fi
# Check for ISA level support.
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ISA level support" >&5
printf %s "checking for ISA level support... " >&6; }
if test ${libc_cv_have_x86_isa_level+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) cat > conftest.c <<EOF
#include <sysdeps/x86/isa-level.h>
#if MINIMUM_X86_ISA_LEVEL >= 4
libc_cv_have_x86_isa_level=4
#elif MINIMUM_X86_ISA_LEVEL == 3
libc_cv_have_x86_isa_level=3
#elif MINIMUM_X86_ISA_LEVEL == 2
libc_cv_have_x86_isa_level=2
#elif defined __x86_64__
libc_cv_have_x86_isa_level=baseline
#elif MINIMUM_X86_ISA_LEVEL == 1
libc_cv_have_x86_isa_level=1
#else
libc_cv_have_x86_isa_level=0
#endif
EOF
eval `${CC-cc} $CFLAGS $CPPFLAGS $ISAFLAG -I$srcdir -E conftest.c | grep libc_cv_have_x86_isa_level`
rm -rf conftest* ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_x86_isa_level" >&5
printf "%s\n" "$libc_cv_have_x86_isa_level" >&6; }
elif test $base_machine = x86_64; then
libc_cv_have_x86_isa_level=baseline
else
libc_cv_have_x86_isa_level=0
fi
if test $libc_cv_have_x86_isa_level = baseline; then
printf "%s\n" "#define MINIMUM_X86_ISA_LEVEL 1" >>confdefs.h
else
printf "%s\n" "#define MINIMUM_X86_ISA_LEVEL $libc_cv_have_x86_isa_level" >>confdefs.h
fi
config_vars="$config_vars
have-x86-isa-level = $libc_cv_have_x86_isa_level"
config_vars="$config_vars
x86-isa-level-3-or-above = 3 4"
config_vars="$config_vars
enable-x86-isa-level = $libc_cv_include_x86_isa_level"
saved_CC="$CC"
CC="$TEST_CC"
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if -mfpmath=387 works in testing" >&5
printf %s "checking if -mfpmath=387 works in testing... " >&6; }
if test ${libc_cv_have_test_cc_cflags_mfpmath_387+y}
then :
printf %s "(cached) " >&6
else case e in #(
e) if { ac_try='${CC-cc} -c -Werror -mfpmath=387 -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 $ac_status = 0; }; }
then :
libc_cv_have_test_cc_cflags_mfpmath_387=yes
else case e in #(
e) libc_cv_have_test_cc_cflags_mfpmath_387=no
;;
esac
fi ;;
esac
fi
{ printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $libc_cv_have_test_cc_cflags_mfpmath_387" >&5
printf "%s\n" "$libc_cv_have_test_cc_cflags_mfpmath_387" >&6; }
CC="$saved_CC"
config_vars="$config_vars
have-test-cc-cflags-mfpmath-387 = $libc_cv_have_test_cc_cflags_mfpmath_387"
printf "%s\n" "#define SUPPORT_STATIC_PIE 1" >>confdefs.h
|
