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 1/2] 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

From 05ecb325bcb49e7b2a046bea00f955efcff6b096 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 07:23:16 -0500
Subject: [PATCH 2/2] Support for OpenBSD and adJ

---
 build/os.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/build/os.mk b/build/os.mk
index 3e11dbb..af76036 100644
--- a/build/os.mk
+++ b/build/os.mk
@@ -9,6 +9,10 @@ ifeq ($(UNAME), Darwin)
 else 
 ifeq ($(UNAME), FreeBSD)
 	UNAME=FREEBSD
+else 
+ifeq ($(UNAME), OpenBSD)
+	UNAME=OPENBSD
+endif
 endif
 endif
 endif
@@ -23,6 +27,10 @@ ifeq ($(UNAME), FREEBSD)
 # FreeBSD
 	CC=cc
 	MAKE=gmake
+ifeq ($(UNAME), OPENBSD)
+# OpenBSD
+	CC=cc
+	MAKE=gmake
 else
 ifeq ($(UNAME), DARWIN)
 # Mac OS X
@@ -33,3 +41,4 @@ else
 endif
 endif
 endif
+endif