diff options
Diffstat (limited to 'ext/ffi_c/libffi/m4/asmcfi.m4')
| -rw-r--r-- | ext/ffi_c/libffi/m4/asmcfi.m4 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/ffi_c/libffi/m4/asmcfi.m4 b/ext/ffi_c/libffi/m4/asmcfi.m4 new file mode 100644 index 0000000..dbf73a0 --- /dev/null +++ b/ext/ffi_c/libffi/m4/asmcfi.m4 @@ -0,0 +1,13 @@ +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 +]) |