From 754202daeab6bd22116aa3a430ba0c3477c4146d Mon Sep 17 00:00:00 2001
From: Matthieu Moy <Matthieu.Moy@imag.fr>
Date: Wed, 9 Mar 2016 18:01:05 +0100
Subject: [PATCH] Makefile: fall-back to 'unknown-version' when 'git describe'
 fails

---
 Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index d55c3fc..7563982 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,8 @@ ifndef BASH_PATH
 endif
 
 BASH_PATH_SQ = $(subst ','\'',$(BASH_PATH))
-GIT_LATEXDIFF_VERSION=${shell git describe --tags HEAD}
+GIT_LATEXDIFF_VERSION=${shell git describe --tags HEAD 2>/dev/null || \
+			 echo unknown-version}
 gitexecdir_SQ = $(subst ','\'',$(gitexecdir))
 gitmanpath_SQ = $(subst ','\'',$(gitmanpath))