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Diffstat (limited to 'config/user-no-format-truncation.m4')
| -rw-r--r-- | config/user-no-format-truncation.m4 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/config/user-no-format-truncation.m4 b/config/user-no-format-truncation.m4 new file mode 100644 index 000000000..4426907ee --- /dev/null +++ b/config/user-no-format-truncation.m4 @@ -0,0 +1,22 @@ +dnl # +dnl # Check if gcc supports -Wno-format-truncation option. +dnl # +AC_DEFUN([ZFS_AC_CONFIG_USER_NO_FORMAT_TRUNCATION], [ + AC_MSG_CHECKING([for -Wno-format-truncation support]) + + saved_flags="$CFLAGS" + CFLAGS="$CFLAGS -Wno-format-truncation" + + AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], + [ + NO_FORMAT_TRUNCATION=-Wno-format-truncation + AC_MSG_RESULT([yes]) + ], + [ + NO_FORMAT_TRUNCATION= + AC_MSG_RESULT([no]) + ]) + + CFLAGS="$saved_flags" + AC_SUBST([NO_FORMAT_TRUNCATION]) +]) |