Commit 17653702 authored by David Fuhrmann's avatar David Fuhrmann

m4: fix detection of supported "-Wxxx" flags with clang

Clang does not fail, but only prints a warning by default for unknown
-W options.
parent 36cb0f52
......@@ -13,7 +13,7 @@ AC_DEFUN([RDC_PROG_CC_FLAGS_IFELSE],
CFLAGS_save="${CFLAGS}"
as_ac_var=`echo "ac_cv_prog_cc_flags_$1" | $as_tr_sh`
AC_CACHE_CHECK([if $CC accepts $1], [$as_ac_var], [
CFLAGS="${CFLAGS} $1"
CFLAGS="${CFLAGS} -Werror $1"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM()], [
eval "$as_ac_var=yes"
],[
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment