From 3cd5b1cfb078cd7e96d7cd490740d955b7905caf Mon Sep 17 00:00:00 2001 From: Daniel Johnson Date: Sun, 21 Mar 2010 20:46:33 -0400 Subject: Fix warnings for clang --- ares/m4/cares-compilers.m4 | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'ares') diff --git a/ares/m4/cares-compilers.m4 b/ares/m4/cares-compilers.m4 index ae32988d7..3a5738971 100644 --- a/ares/m4/cares-compilers.m4 +++ b/ares/m4/cares-compilers.m4 @@ -835,11 +835,11 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [ # if test "$want_warnings" = "yes"; then dnl All versions of clang support the same warnings as at least - dnl gcc 4.2.1. + dnl gcc 4.2.1 except -Wunused. tmp_CFLAGS="$tmp_CFLAGS -pedantic" tmp_CFLAGS="$tmp_CFLAGS -Wall -Wextra" tmp_CFLAGS="$tmp_CFLAGS -Wpointer-arith -Wwrite-strings" - tmp_CFLAGS="$tmp_CFLAGS -Wunused -Wshadow" + tmp_CFLAGS="$tmp_CFLAGS -Wshadow" tmp_CFLAGS="$tmp_CFLAGS -Winline -Wnested-externs" tmp_CFLAGS="$tmp_CFLAGS -Wmissing-declarations" tmp_CFLAGS="$tmp_CFLAGS -Wmissing-prototypes" @@ -853,6 +853,11 @@ AC_DEFUN([CARES_SET_COMPILER_WARNING_OPTS], [ tmp_CFLAGS="$tmp_CFLAGS -Wcast-align" tmp_CFLAGS="$tmp_CFLAGS -Wno-system-headers" tmp_CFLAGS="$tmp_CFLAGS -Wshorten-64-to-32" + # + dnl Only clang 1.1 or later + if test "$compiler_num" -ge "101"; then + tmp_CFLAGS="$tmp_CFLAGS -Wunused" + fi fi ;; # -- cgit v1.2.3