From b7de1adca2f52ab2de64c2ed52a73dfb2bb6d239 Mon Sep 17 00:00:00 2001
From: Ian Gulliver <flamingcow@gmail.com>
Date: Mon, 7 Mar 2016 17:18:23 -0800
Subject: [PATCH] Start to generate version.h

---
 adsbus/.gitignore | 3 +++
 adsbus/Makefile   | 4 ++++
 2 files changed, 7 insertions(+)

diff --git a/adsbus/.gitignore b/adsbus/.gitignore
index 55c3eac..e4375ec 100644
--- a/adsbus/.gitignore
+++ b/adsbus/.gitignore
@@ -33,3 +33,6 @@
 
 # Binaries
 adsbus
+
+# Generated
+version.h
diff --git a/adsbus/Makefile b/adsbus/Makefile
index 61b62c4..b9953dd 100644
--- a/adsbus/Makefile
+++ b/adsbus/Makefile
@@ -24,6 +24,10 @@ clean:
 %.o: %.c *.h
 	$(COMP) -c $(CFLAGS) $< -o $@
 
+version.h:
+	echo "#define GIT_LAST_CHANGE \"$$(git log --format=%H -n 1)\"" > version.h
+	echo "#define GIT_LOCAL_CLEAN $$(git diff --exit-code > /dev/null && echo true || echo false)" >> version.h
+
 adsb.pb-c.c: ../proto/adsb.proto
 	protoc-c --c_out=./ --proto_path=$(dir $<) $<