diff options
Diffstat (limited to 'sysdeps/x86/configure')
| -rw-r--r-- | sysdeps/x86/configure | 56 |
1 files changed, 35 insertions, 21 deletions
diff --git a/sysdeps/x86/configure b/sysdeps/x86/configure index ead1295c38..62676bb686 100644 --- a/sysdeps/x86/configure +++ b/sysdeps/x86/configure @@ -126,8 +126,6 @@ cat > conftest2.S <<EOF 4: EOF libc_cv_include_x86_isa_level=no -libc_cv_have_x86_lahf_sahf=no -libc_cv_have_x86_movbe=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 $ac_try) 2>&5 @@ -137,9 +135,22 @@ if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -nostartfiles -nostdlib -r -o conftest c 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 - cat > conftest.c <<EOF -EOF - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - conftest.c' + 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 $ac_try) 2>&5 ac_status=$? @@ -147,7 +158,20 @@ EOF test $ac_status = 0; }; } | grep -q "\-msahf"; then libc_cv_have_x86_lahf_sahf=yes fi - if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -fverbose-asm -S -o - conftest.c' +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 $ac_try) 2>&5 ac_status=$? @@ -155,23 +179,13 @@ EOF test $ac_status = 0; }; } | grep -q "\-mmovbe"; then libc_cv_have_x86_movbe=yes fi - 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 - fi -if test $libc_cv_have_x86_lahf_sahf = yes; then - $as_echo "#define HAVE_X86_LAHF_SAHF 1" >>confdefs.h - -fi -if test $libc_cv_have_x86_movbe = yes; then - $as_echo "#define HAVE_X86_MOVBE 1" >>confdefs.h +{ $as_echo "$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" |