diff options
Diffstat (limited to 'sysdeps/x86_64/configure')
| -rw-r--r-- | sysdeps/x86_64/configure | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure index c1c88c8619..45d868d93d 100644 --- a/sysdeps/x86_64/configure +++ b/sysdeps/x86_64/configure @@ -222,6 +222,33 @@ $as_echo "$libc_cv_cc_novzeroupper" >&6; } config_vars="$config_vars config-cflags-novzeroupper = $libc_cv_cc_novzeroupper" +{ $as_echo "$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 : + $as_echo_n "(cached) " >&6 +else + cat > conftest.s <<\EOF + bndmov %bnd0,(%rsp) +EOF +if { ac_try='${CC-cc} -c $ASFLAGS conftest.s 1>&5' + { { eval echo "\"\$as_me\":${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_mpx=yes +else + libc_cv_asm_mpx=no +fi +rm -f conftest* +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 + +fi + $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h # work around problem with autoconf and empty lines at the end of files |