diff options
Diffstat (limited to 'libgfortran/configure')
| -rwxr-xr-x | libgfortran/configure | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/libgfortran/configure b/libgfortran/configure index 60e18a7b3e8..86904ef7eea 100755 --- a/libgfortran/configure +++ b/libgfortran/configure @@ -5804,18 +5804,28 @@ else fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for CET support" >&5 +$as_echo_n "checking for CET support... " >&6; } + case "$host" in i[34567]86-*-linux* | x86_64-*-linux*) case "$enable_cet" in default) - # Check if assembler supports CET. + # Check if target supports multi-byte NOPs + # and if assembler supports CET insn. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main () { + +#if !defined(__SSE2__) +#error target does not support multi-byte NOPs +#else asm ("setssbsy"); +#endif + ; return 0; } @@ -5855,6 +5865,11 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext esac if test x$enable_cet = xyes; then CET_FLAGS="-fcf-protection -mcet" + { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5 +$as_echo "yes" >&6; } +else + { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5 +$as_echo "no" >&6; } fi AM_FCFLAGS="$AM_FCFLAGS $CET_FLAGS" @@ -12498,7 +12513,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12501 "configure" +#line 12516 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -12604,7 +12619,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 12607 "configure" +#line 12622 "configure" #include "confdefs.h" #if HAVE_DLFCN_H |