diff options
Diffstat (limited to 'libiberty/configure')
| -rwxr-xr-x | libiberty/configure | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/libiberty/configure b/libiberty/configure index 1f8e23f0d23..ff93c9ee9a6 100755 --- a/libiberty/configure +++ b/libiberty/configure @@ -5291,7 +5291,7 @@ case "$host" in case "$enable_cet" in auto) # Check if target supports multi-byte NOPs - # and if assembler supports CET insn. + # and if compiler and assembler support CET. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -5317,7 +5317,7 @@ fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext ;; yes) - # Check if assembler supports CET. + # Check if compiler and assembler support CET. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ @@ -5330,11 +5330,24 @@ asm ("setssbsy"); } _ACEOF if ac_fn_c_try_compile "$LINENO"; then : - + support_cet=yes else - as_fn_error $? "assembler with CET support is required for --enable-cet" "$LINENO" 5 + support_cet=no fi rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext + if test $support_cet = "no"; then + if test x$enable_bootstrap != xno \ + && test -z "${with_build_subdir}" \ + && (test ! -f ../stage_current \ + || test `cat ../stage_current` != "stage1"); then + # Require CET support only for the final GCC build. + as_fn_error $? "compiler and assembler with CET support are required for --enable-cet" "$LINENO" 5 + else + # Don't enable CET without CET support for non-bootstrap + # build, in stage1 nor for build support. + enable_cet=no + fi + fi ;; esac CFLAGS="$cet_save_CFLAGS" |