From a0a3340772dd42ce0c36686aea6debd55513c346 Mon Sep 17 00:00:00 2001
From: Tony Theodore <tonyt@logyst.com>
Date: Tue, 5 Jul 2016 16:23:22 +1000
Subject: [PATCH] Makefile: allow packages to specify a list of zero or more
 patches

---
 Makefile | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 2edab45f..ab617616 100644
--- a/Makefile
+++ b/Makefile
@@ -190,7 +190,11 @@ UNPACK_PKG_ARCHIVE = \
 # all files for extension plugins will be considered for outdated checks
 PKG_MAKEFILES = $(realpath $(sort $(wildcard $(addsuffix /$(1).mk, $(TOP_DIR)/src $(MXE_PLUGIN_DIRS)))))
 PKG_TESTFILES = $(realpath $(sort $(wildcard $(addsuffix /$(1)-test*, $(TOP_DIR)/src $(MXE_PLUGIN_DIRS)))))
-PKG_PATCHES   = $(realpath $(sort $(wildcard $(addsuffix /$(1)-[0-9]*.patch, $(TOP_DIR)/src $(MXE_PLUGIN_DIRS)))))
+# allow packages to specify a list of zero or more patches
+PKG_PATCHES   = $(if $(findstring undefined,$(origin $(1)_PATCHES)), \
+                    $(realpath $(sort $(wildcard $(addsuffix /$(1)-[0-9]*.patch, $(TOP_DIR)/src $(MXE_PLUGIN_DIRS))))) \
+                $(else), \
+                    $($(1)_PATCHES))
 
 define PREPARE_PKG_SOURCE
     cd '$(2)' && $(call UNPACK_PKG_ARCHIVE,$(1))