From 248b6c4a7b605d2946473bb7a86e130d892cefef Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@linux.intel.com>
Date: Fri, 2 Jan 2015 11:14:50 +0000
Subject: [PATCH] Kernel: allow the user to set an environment variable for the
 sdcc libs

---
 Kernel/Makefile | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/Kernel/Makefile b/Kernel/Makefile
index 30fbc942..b8638e80 100644
--- a/Kernel/Makefile
+++ b/Kernel/Makefile
@@ -29,10 +29,14 @@ export BINEXT = .rel
 #	Adjust this as needed for your platform (or contribute a script
 #	to look in the usual places !)
 #
-ifeq ($(UNAME_S),Darwin)
-export LIBZ80=/usr/local/share/sdcc/lib/$(CPU)
+ifeq ($(SDCC_LIB), "")
+  ifeq ($(UNAME_S),Darwin)
+    export LIBZ80=/usr/local/share/sdcc/lib/$(CPU)
+  else
+    export LIBZ80=/usr/share/sdcc/lib/$(CPU)
+  endif
 else
-export LIBZ80=/usr/share/sdcc/lib/$(CPU)
+  export LIBZ80=$(SDCC_LIB)/$(CPU)
 endif
 else ifeq ($(CPU),6502)
 export CROSS_AS=ca65
-- 
2.34.1