[mirror_zfs-debian.git] / config / user-frame-larger-than.m4

dnl #
dnl # Check if gcc supports -Wframe-larger-than=<size> option.
dnl #
AC_DEFUN([ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN], [
	AC_MSG_CHECKING([for -Wframe-larger-than=<size> support])

	saved_flags="$CFLAGS"
	CFLAGS="$CFLAGS -Wframe-larger-than=1024"

	AC_RUN_IFELSE(AC_LANG_PROGRAM( [], []),
	[
		FRAME_LARGER_THAN=-Wframe-larger-than=1024
		AC_MSG_RESULT([yes])
	],
	[
		FRAME_LARGER_THAN=
		AC_MSG_RESULT([no])
	])

	CFLAGS="$saved_flags"
        AC_SUBST([FRAME_LARGER_THAN])
])
Commit	Line	Data
c9c0d073 BB	1	dnl #
	2	dnl # Check if gcc supports -Wframe-larger-than=<size> option.
	3	dnl #
	4	AC_DEFUN([ZFS_AC_CONFIG_USER_FRAME_LARGER_THAN], [
	5	AC_MSG_CHECKING([for -Wframe-larger-than=<size> support])
	6
	7	saved_flags="$CFLAGS"
	8	CFLAGS="$CFLAGS -Wframe-larger-than=1024"
	9
	10	AC_RUN_IFELSE(AC_LANG_PROGRAM( [], []),
	11	[
	12	FRAME_LARGER_THAN=-Wframe-larger-than=1024
	13	AC_MSG_RESULT([yes])
	14	],
	15	[
	16	FRAME_LARGER_THAN=
	17	AC_MSG_RESULT([no])
	18	])
	19
	20	CFLAGS="$saved_flags"
	21	AC_SUBST([FRAME_LARGER_THAN])
	22	])