diff options
| author | Brian Behlendorf <[email protected]> | 2010-08-26 11:22:58 -0700 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2010-08-31 13:41:27 -0700 |
| commit | c9c0d073da561bcbefbdf09c87fc75b227415619 (patch) | |
| tree | 7daee55ae61526107f421de48171573fa5a15d28 /config/user-frame-larger-than.m4 | |
| parent | 40b84e7aec6392187722e61e5a4a853b530bf60f (diff) | |
Add build system
Add autoconf style build infrastructure to the ZFS tree. This
includes autogen.sh, configure.ac, m4 macros, some scripts/*,
and makefiles for all the core ZFS components.
Diffstat (limited to 'config/user-frame-larger-than.m4')
| -rw-r--r-- | config/user-frame-larger-than.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/config/user-frame-larger-than.m4 b/config/user-frame-larger-than.m4 new file mode 100644 index 000000000..3384f50e4 --- /dev/null +++ b/config/user-frame-larger-than.m4 @@ -0,0 +1,22 @@ +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]) +]) |