From cf4ee8e8612862229d8f75adad16139f0bd8f38c Mon Sep 17 00:00:00 2001
From: Hubert Jarosz <marqin.pl@gmail.com>
Date: Tue, 9 Aug 2016 23:57:46 +0200
Subject: [PATCH] fix failing CMake build when "git" is not installed

---
 GetGitHash.cmake | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/GetGitHash.cmake b/GetGitHash.cmake
index 05793fb68..2d5623e9d 100644
--- a/GetGitHash.cmake
+++ b/GetGitHash.cmake
@@ -6,7 +6,8 @@ function(get_git_hash _git_hash)
       OUTPUT_VARIABLE GIT_HASH
       OUTPUT_STRIP_TRAILING_WHITESPACE
     )
-  else()
+  endif()
+  if(NOT GIT_HASH)
     set(GIT_HASH "NO_GIT_COMMIT_HASH_DEFINED")
   endif()
   set(${_git_hash} "${GIT_HASH}" PARENT_SCOPE)