granicus.if.org Git - zfs/blob - config/user-no-format-truncation.m4

   1 dnl #
   2 dnl # Check if gcc supports -Wno-format-truncation option.
   3 dnl #
   4 AC_DEFUN([ZFS_AC_CONFIG_USER_NO_FORMAT_TRUNCATION], [
   5         AC_MSG_CHECKING([for -Wno-format-truncation support])
   6
   7         saved_flags="$CFLAGS"
   8         CFLAGS="$CFLAGS -Wno-format-truncation"
   9
  10         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])],
  11         [
  12                 NO_FORMAT_TRUNCATION=-Wno-format-truncation
  13                 AC_MSG_RESULT([yes])
  14         ],
  15         [
  16                 NO_FORMAT_TRUNCATION=
  17                 AC_MSG_RESULT([no])
  18         ])
  19
  20         CFLAGS="$saved_flags"
  21         AC_SUBST([NO_FORMAT_TRUNCATION])
  22 ])