configure: Treat unused param or value as error when building with --enable-debug.

[vlc] / m4 / flags.m4

diff --git a/m4/flags.m4 b/m4/flags.m4
index 0bf8c3b163504591a9a40e69c4c40a436ac957ae..326a90933aab75fa02ce76f8c25ee2ef00ca2bd9 100644 (file)
--- a/m4/flags.m4
+++ b/m4/flags.m4
@@ -31,6 +31,12 @@ AC_DEFUN([RDC_PROG_CC_FLAGS_IFELSE],
   ])
 ])
 
+AC_DEFUN([RDC_PROG_CC_WERRORFLAGS],
+[ for a in $1; do
+    RDC_PROG_CC_FLAGS_IFELSE([-Werror=$a])
+  done
+])
+
 AC_DEFUN([RDC_PROG_CC_WFLAGS],
 [ for a in $1; do
     RDC_PROG_CC_FLAGS_IFELSE([-W$a])