Avoid flags duplication when configure cache not present

diff --git a/m4/flags.m4 b/m4/flags.m4
index 57f22233f2a010b6a4427063d7e7ad08bca282b7..3f8ef6a241c19c58f781e4871470c7655529c371 100644 (file)
--- a/m4/flags.m4
+++ b/m4/flags.m4
@@ -23,7 +23,7 @@ AC_DEFUN([RDC_PROG_CC_FLAGS_IFELSE],
 
   ac_res=`eval echo '${'$as_ac_var'}'`
   AS_IF([test "${ac_res}" != "no"], [
-    CFLAGS="${CFLAGS} $1"
+    CFLAGS="${CFLAGS_save} $1"
     CXXFLAGS="${CXXFLAGS} $1"
     OBJCFLAGS="${OBJCFLAGS} $1"
     $2