From ffe4688d0bb073363fec94e6d71543581336161f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beat=20K=C3=BCng?= <beat-kueng@gmx.net>
Date: Wed, 21 Dec 2016 12:48:21 +0100
Subject: [PATCH] px4_base.cmake: make sure px_update_git_header.py is executed
 in the source directory

otherwise the 'git describe' command can fail.
---
 cmake/common/px4_base.cmake | 1 +
 1 file changed, 1 insertion(+)

diff --git a/cmake/common/px4_base.cmake b/cmake/common/px4_base.cmake
index 00364d2548..62c2efe9f6 100644
--- a/cmake/common/px4_base.cmake
+++ b/cmake/common/px4_base.cmake
@@ -932,6 +932,7 @@ function(px4_create_git_hash_header)
 	add_custom_command(
 		OUTPUT __fake
 		COMMAND ${PYTHON_EXECUTABLE} ${PX4_SOURCE_DIR}/Tools/px_update_git_header.py ${OUT}
+		WORKING_DIRECTORY ${PX4_SOURCE_DIR}
 		COMMENT "Generating git hash header"
 		)
 	add_custom_target(ver_gen ALL