diff options
| author |   Dan Williams <dcbw@redhat.com> | 2012-07-16 16:57:43 -0500 |
|---|---|---|
| committer | Dan Williams <dcbw@redhat.com> | 2012-07-16 16:57:43 -0500 |
| commit | 8edfc155c96f4c59277dec40c017b935a22e39c5 (patch) | |
| tree | a98965fcbfe65b35116bf1891a92559487d151f5 | |
| parent | 0a214cadf6a2f501309734226c95f105068ca47b (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 |