From becb3d644dd8ca324caa02fe939af8f985285cfd Mon Sep 17 00:00:00 2001
From: Franco Fichtner <franco@opnsense.org>
Date: Fri, 21 Sep 2018 08:26:37 +0200
Subject: [PATCH] make: allow diff argument

E.g.:

    # make diff-dns/dyndns

(cherry picked from commit 3730d4a0884ac3d35a4dac47f33f3f3771f93ab2)
---
 Makefile | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/Makefile b/Makefile
index 62cd8a2fa..e2fbad5ce 100644
--- a/Makefile
+++ b/Makefile
@@ -53,10 +53,7 @@ ${TARGET}:
 .  endfor
 .endfor
 
-diff:
-	@git diff --stat -p stable/${PLUGIN_ABI}
-
-ARGS=	mfc
+ARGS=	diff mfc
 
 # handle argument expansion for required targets
 .for TARGET in ${.TARGETS}
@@ -72,6 +69,9 @@ ${_TARGET}_ARG=		${${_TARGET}_ARGS:[0]}
 .endif
 .endfor
 
+diff:
+	@git diff --stat -p stable/${PLUGIN_ABI} ${.CURDIR}/${diff_ARGS:[1]}
+
 mfc:
 	@git checkout stable/${PLUGIN_ABI}
 .for MFC in ${mfc_ARGS}