From fc3e27291cb76da3e0821e4e2376f33980749f88 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <pj@pehjota.net>
Date: Wed, 01 Nov 2017 14:57:03 -0400
Subject: configure.ac: Use AX_APPEND_FLAG()

And shorten AX_CHECK_COMPILE_FLAG() call.
---
(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index f3a09f4..b15f168 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,7 +51,7 @@ AX_CHECK_COMPILE_FLAG([-Wpedantic], [AX_APPEND_FLAG([-Wpedantic])])
 AX_CHECK_COMPILE_FLAG([-Wextra],    [AX_APPEND_FLAG([-Wextra])])
 
 AX_CHECK_COMPILE_FLAG([-fdiagnostics-color=auto],
-	[CFLAGS="${CFLAGS} -fdiagnostics-color=auto"], [], [])
+	[AX_APPEND_FLAG([-fdiagnostics-color=auto])])
 
 PKG_PROG_PKG_CONFIG()
 PKG_CHECK_MODULES([GTK], [gtk+-3.0])
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