diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 4 | ||||
| -rw-r--r-- | config/asmcfi.m4 | 15 |
2 files changed, 19 insertions, 0 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index 7737f99b2bd..4f202ffbc9a 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,7 @@ +2011-11-09 Richard Henderson <rth@redhat.com> + + * asmcfi.m4: New file. + 2011-11-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * mh-interix (LIBGCC2_DEBUG_CFLAGS): Remove. diff --git a/config/asmcfi.m4 b/config/asmcfi.m4 new file mode 100644 index 00000000000..a725aa11de4 --- /dev/null +++ b/config/asmcfi.m4 @@ -0,0 +1,15 @@ +;; Cribbed from libffi + +AC_DEFUN([GCC_AS_CFI_PSEUDO_OP], +[AC_CACHE_CHECK([assembler .cfi pseudo-op support], + gcc_cv_as_cfi_pseudo_op, [ + gcc_cv_as_cfi_pseudo_op=unknown + AC_TRY_COMPILE([asm (".cfi_startproc\n\t.cfi_endproc");],, + [gcc_cv_as_cfi_pseudo_op=yes], + [gcc_cv_as_cfi_pseudo_op=no]) + ]) + if test "x$gcc_cv_as_cfi_pseudo_op" = xyes; then + AC_DEFINE(HAVE_AS_CFI_PSEUDO_OP, 1, + [Define if your assembler supports .cfi_* directives.]) + fi +]) |
