From 75657dc2eb49f326e5a9a0ed9fd33a85aad60cb4 Mon Sep 17 00:00:00 2001
From: Julian Oes <julian@oes.ch>
Date: Tue, 4 Oct 2016 17:53:09 +0200
Subject: [PATCH] cmake: add __DF_ defines with comments

---
 cmake/configs/posix_bebop_default.cmake | 6 +++---
 cmake/configs/posix_rpi_common.cmake    | 2 +-
 cmake/nuttx/px4_impl_nuttx.cmake        | 2 +-
 cmake/qurt/px4_impl_qurt.cmake          | 3 ++-
 4 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/cmake/configs/posix_bebop_default.cmake b/cmake/configs/posix_bebop_default.cmake
index 206fd9d53a..96113a8456 100644
--- a/cmake/configs/posix_bebop_default.cmake
+++ b/cmake/configs/posix_bebop_default.cmake
@@ -3,9 +3,9 @@ include(posix/px4_impl_posix)
 set(CMAKE_TOOLCHAIN_FILE ${PX4_SOURCE_DIR}/cmake/toolchains/Toolchain-arm-linux-gnueabihf-raspbian.cmake)
 
 add_definitions(
-  -D__PX4_POSIX_BEBOP
-  -D__DF_LINUX
-  -D__DF_BEBOP
+	-D__PX4_POSIX_BEBOP
+	-D__DF_LINUX # Define needed DriverFramework
+	-D__DF_BEBOP # Define needed DriverFramework
 	)
 
 set(CMAKE_PROGRAM_PATH
diff --git a/cmake/configs/posix_rpi_common.cmake b/cmake/configs/posix_rpi_common.cmake
index dac386836e..b4f20c88c4 100644
--- a/cmake/configs/posix_rpi_common.cmake
+++ b/cmake/configs/posix_rpi_common.cmake
@@ -7,7 +7,7 @@ include(posix/px4_impl_posix)
 # or if it is for the RPi.
 add_definitions(
 	-D__PX4_POSIX_RPI
-	-D__LINUX
+	-D__DF_LINUX # For DriverFramework
 )
 
 
diff --git a/cmake/nuttx/px4_impl_nuttx.cmake b/cmake/nuttx/px4_impl_nuttx.cmake
index 617d937ca0..562d97f982 100644
--- a/cmake/nuttx/px4_impl_nuttx.cmake
+++ b/cmake/nuttx/px4_impl_nuttx.cmake
@@ -434,7 +434,7 @@ function(px4_os_add_flags)
 		)
 	set(added_definitions
 		-D__PX4_NUTTX
-		-D__DF_NUTTX
+		-D__DF_NUTTX # Define for DriverFramework
 		)
 	set(added_c_flags
 		-nodefaultlibs
diff --git a/cmake/qurt/px4_impl_qurt.cmake b/cmake/qurt/px4_impl_qurt.cmake
index f6bfe01e6a..731ecca53f 100644
--- a/cmake/qurt/px4_impl_qurt.cmake
+++ b/cmake/qurt/px4_impl_qurt.cmake
@@ -171,7 +171,8 @@ function(px4_os_add_flags)
                 )
 
         set(added_definitions
-                -D__PX4_QURT 
+                -D__PX4_QURT
+		-D__DF_QURT # For DriverFramework
 		-D__PX4_POSIX
 		-D__QAIC_SKEL_EXPORT=__EXPORT
 		-include ${PX4_INCLUDE_DIR}visibility.h