diff options
Diffstat (limited to 'm4/cares-compilers.m4')
| -rw-r--r-- | m4/cares-compilers.m4 | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/m4/cares-compilers.m4 b/m4/cares-compilers.m4 index ae32988..3a57389 100644 --- a/m4/cares-compilers.m4 +++ b/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 ;; # |