From 711194ab9a71600aef45e157e49306dfc29563f8 Mon Sep 17 00:00:00 2001
From: Jeffrey Armstrong <jeff@approximatrix.com>
Date: Tue, 2 Jun 2020 16:59:48 -0400
Subject: Added a source zip file to the unix makefile

---
 makefile.gnu | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/makefile.gnu b/makefile.gnu
index 2193e13..15cb919 100644
--- a/makefile.gnu
+++ b/makefile.gnu
@@ -13,6 +13,7 @@ IDIR=
 
 LDIR=
 
+ZIPFILE=lr87-src-$(shell date +%Y%m%d)
 
 OPTFLAGS= -g
 
@@ -155,5 +156,10 @@ $(DESTDIR)/share/lr87/LICENSE.txt: LICENSE.txt
 $(DESTDIR)/share/lr87/README.md: README.md
 	mkdir -p $(DESTDIR)/share/lr87
 	cp README.md $(DESTDIR)/share/lr87
-    
+
+$(ZIPFILE): 
+	zip -9 $(ZIPFILE) *.f90 makefile.gnu LICENSE.txt README.md gemini.prj gemini-windows.prj -x tes*.f90
+
+zip: $(ZIPFILE)
+
 install: $(DESTDIR)/bin/lr87 $(DESTDIR)/share/lr87/LICENSE.txt $(DESTDIR)/share/lr87/README.md
-- 
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