From ef6da2a0e00922f461886a0eb0f419e55a377e73 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladimir=20T=C3=A1mara=20Pati=C3=B1o?=
 <vtamara@pasosdeJesus.org>
Date: Tue, 3 Nov 2020 07:23:11 -0500
Subject: [PATCH] Allowing to override PDP7 variable with environment variable

---
 build/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/build/Makefile b/build/Makefile
index 3ccab1c..a2d553f 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -9,7 +9,7 @@ MKFS=../tools/mkfs7
 A7OUT=../tools/a7out 
 FSCK=../tools/fsck7
 CCARGS=-Wno-multichar -Wno-implicit
-PDP7=pdp7
+PDP7?=pdp7
 
 # source dirs
 SYSSRC=../src/sys