From 7a33997a6b0bf96ed98d441c1319d14ad4672c35 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Dec 22 2018 03:48:19 +0000
Subject: build system: config.usage: added absent variables.


---

diff --git a/config.usage b/config.usage
index dc892e7..f384ffe 100644
--- a/config.usage
+++ b/config.usage
@@ -125,6 +125,8 @@ supported variables:
 	CFLAGS_CMDLINE
 	CFLAGS_CONFIG
 	CFLAGS_SYSROOT
+	CFLAGS_OS
+	CFLAGS_SITE
 	CFLAGS_PATH
 	CFLAGS_STRICT
 	CFLAGS_UTIL