From 75b356478927c0aeb8cd0ac71f451f1e763856cf Mon Sep 17 00:00:00 2001
From: Daniel Agar <daniel@agar.ca>
Date: Wed, 14 Oct 2015 10:52:09 -0400
Subject: [PATCH] cmake better nuttx copy

---
 cmake/nuttx/px4_impl_nuttx.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/cmake/nuttx/px4_impl_nuttx.cmake b/cmake/nuttx/px4_impl_nuttx.cmake
index 2586478383..db8f11ef00 100644
--- a/cmake/nuttx/px4_impl_nuttx.cmake
+++ b/cmake/nuttx/px4_impl_nuttx.cmake
@@ -213,8 +213,8 @@ function(px4_nuttx_add_export)
 	# copy
 	add_custom_command(OUTPUT nuttx_copy_${CONFIG}.stamp
 		COMMAND ${MKDIR} -p ${CMAKE_BINARY_DIR}/${CONFIG}
-		COMMAND ${RM} -rf ${nuttx_src}
-		COMMAND ${CP} -r ${CMAKE_SOURCE_DIR}/NuttX ${nuttx_src}
+		COMMAND ${MKDIR} -p ${nuttx_src}
+		COMMAND ${CP} -a ${CMAKE_SOURCE_DIR}/NuttX/. ${nuttx_src}/
 		COMMAND ${RM} -rf ${nuttx_src}/.git
 		COMMAND ${TOUCH} nuttx_copy_${CONFIG}.stamp
 		DEPENDS ${DEPENDS})