diff options
| -rw-r--r-- | m4/attributes.m4 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/m4/attributes.m4 b/m4/attributes.m4 index 2b7175b1c..81e6586ce 100644 --- a/m4/attributes.m4 +++ b/m4/attributes.m4 @@ -71,9 +71,11 @@ dnl Other compilers don't support -Werror per se, but they support dnl an equivalent flag: dnl - Sun Studio compiler supports -errwarn=%all AC_DEFUN([CC_CHECK_WERROR], [ - AC_CACHE_VAL([cc_cv_werror], - [CC_CHECK_CFLAGS([-Werror], [cc_cv_werror=-Werror], - [CC_CHECK_CFLAGS([-errwarn=%all], [cc_cv_werror=-errwarn=%all])]) + AC_CACHE_CHECK( + [for $CC way to treat warnings as errors], + [cc_cv_werror], + [CC_CHECK_CFLAGS_SILENT([-Werror], [cc_cv_werror=-Werror], + [CC_CHECK_CFLAGS_SILENT([-errwarn=%all], [cc_cv_werror=-errwarn=%all])]) ]) ]) |