Revert "configure: don't error out on variable confusions, just warn"

This reverts commit 6b27703b5f525eccdc0a8409f51de8595c75132a.

diff --git a/m4/xc-val-flgs.m4 b/m4/xc-val-flgs.m4
index 61098e0..36b432c 100644 (file)
--- a/m4/xc-val-flgs.m4
+++ b/m4/xc-val-flgs.m4
@@ -209,7 +209,7 @@ AC_DEFUN([XC_CHECK_USER_FLAGS], [
      test $xc_bad_var_cflags = yes ||
      test $xc_bad_var_ldflags = yes ||
      test $xc_bad_var_cppflags = yes; then
-     AC_MSG_WARN([One or more of these variables may cause build problems!])
+     AC_MSG_ERROR([Can not continue. Fix errors mentioned immediately above this line.])
   fi
 ])