diff options
Diffstat (limited to 'm4/compiler_warnings.m4')
| -rw-r--r-- | m4/compiler_warnings.m4 | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/m4/compiler_warnings.m4 b/m4/compiler_warnings.m4 index be69af27..575ea9a6 100644 --- a/m4/compiler_warnings.m4 +++ b/m4/compiler_warnings.m4 @@ -2,15 +2,16 @@ AC_DEFUN([NM_COMPILER_WARNINGS], [AC_ARG_ENABLE(more-warnings, AS_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings]), set_more_warnings="$enableval",set_more_warnings=yes) -AC_MSG_CHECKING(for more warnings, including -Werror) +AC_MSG_CHECKING(for more warnings) if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then AC_MSG_RESULT(yes) - CFLAGS="-Wall -Werror -std=gnu89 $CFLAGS" + CFLAGS="-Wall -std=gnu89 $CFLAGS" for option in -Wshadow -Wmissing-declarations -Wmissing-prototypes \ - -Wdeclaration-after-statement -Wstrict-prototypes \ + -Wdeclaration-after-statement \ -Wfloat-equal -Wno-unused-parameter -Wno-sign-compare \ - -fno-strict-aliasing -Wno-unused-but-set-variable; do + -fno-strict-aliasing -Wno-unused-but-set-variable \ + -Wundef; do SAVE_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $option" AC_MSG_CHECKING([whether gcc understands $option]) @@ -25,6 +26,7 @@ if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then unset SAVE_CFLAGS done unset option + CFLAGS="$CFLAGS -Werror" else AC_MSG_RESULT(no) fi |