From d0e141f6fb22db01a088712159272178afde5698 Mon Sep 17 00:00:00 2001
From: Mike Brady <4265913+mikebrady@users.noreply.github.com>
Date: Fri, 14 May 2021 17:25:31 +0100
Subject: [PATCH] Use .git/index's modification date as a dependency to
 generate gitversion

---
 Makefile.am | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index e7dd834..9bcaa3e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,18 +2,21 @@ bin_PROGRAMS = nqptp
 nqptp_SOURCES = nqptp.c nqptp-clock-sources.c nqptp-message-handlers.c nqptp-utilities.c general-utilities.c debug.c
 
 AM_CFLAGS = -fno-common -Wno-multichar -Wall -Wextra -Wno-clobbered -Wno-psabi -pthread
+CLEANFILES =
 
 if USE_GIT
 nqptp.c: gitversion.h
-gitversion.h: FORCE
+gitversion.h: .git/index
 	echo "// Do not edit!" > gitversion.h
 	echo "// This file is automatically generated by 'git describe --dirty', if available." >> gitversion.h
 	echo -n "  char git_version_string[] = \"" >> gitversion.h
 	git describe --dirty | tr -d '[[:space:]]' >> gitversion.h
 	echo "\";" >> gitversion.h
 FORCE: ;
+CLEANFILES += gitversion.h
 endif
 
+
 install-exec-hook:
 	-e /lib/systemd/system || mkdir -p /lib/systemd/system
 	-f /lib/systemd/system/nqptp.service || cp nqptp.service /lib/systemd/system
-- 
2.47.2