diff options
author | Dan Williams <dcbw@redhat.com> | 2012-07-16 16:57:43 -0500 |
---|---|---|
committer | Dan Williams <dcbw@redhat.com> | 2012-07-16 17:00:51 -0500 |
commit | 73c9f3695a1dba3ffa34e50adbdbf37806eb9f52 (patch) | |
tree | 0a593e1ab9730e08df5baf74bbf8d1db85f028ee | |
parent | 67053826d78301853188f14822337a97f590938c (diff) |
build: update enable-more-warnings to allow yes/no/error
-rw-r--r-- | m4/compiler_warnings.m4 | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/m4/compiler_warnings.m4 b/m4/compiler_warnings.m4 index 223da2d3..bb38537f 100644 --- a/m4/compiler_warnings.m4 +++ b/m4/compiler_warnings.m4 @@ -1,16 +1,17 @@ AC_DEFUN([NM_COMPILER_WARNINGS], [AC_ARG_ENABLE(more-warnings, - AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]), - set_more_warnings="$enableval",set_more_warnings=yes) -AC_MSG_CHECKING(for more warnings, including -Werror) + AS_HELP_STRING([--enable-more-warnings], [Possible values: no/yes/error]), + set_more_warnings="$enableval",set_more_warnings=error) +AC_MSG_CHECKING(for more warnings) if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then AC_MSG_RESULT(yes) - CFLAGS="-Wall -Werror -std=gnu89 $CFLAGS" + CFLAGS="-Wall -std=gnu89 $CFLAGS" for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \ -Wdeclaration-after-statement -Wstrict-prototypes \ -Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \ - -fno-strict-aliasing -Wno-deprecated-declarations; do + -fno-strict-aliasing -Wno-deprecated-declarations \ + -Wno-unused-but-set-variable -Wundef; do SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $option" AC_MSG_CHECKING([whether gcc understands $option]) @@ -25,6 +26,9 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then unset SAVE_CFLAGS done unset option + if test "x$set_more_warnings" = xerror; then + CFLAGS="$CFLAGS -Werror" + fi else AC_MSG_RESULT(no) fi |