Moved ECL into its own submodule

.gitmodules

@@ -31,3 +31,6 @@
 [submodule "src/lib/DriverFramework"]
 	path = src/lib/DriverFramework
 	url = https://github.com/PX4/DriverFramework.git
+[submodule "src/lib/ecl"]
+	path = src/lib/ecl
+	url = https://github.com/LorenzMeier/ecl.git

CMakeLists.txt

@@ -245,6 +245,7 @@ px4_add_git_submodule(TARGET git_uavcan PATH "src/modules/uavcan/libuavcan")
 px4_add_git_submodule(TARGET git_nuttx PATH "NuttX")
 px4_add_git_submodule(TARGET git_dspal PATH "src/lib/dspal")
 px4_add_git_submodule(TARGET git_driverframework PATH "src/lib/DriverFramework")
+px4_add_git_submodule(TARGET git_ecl PATH "src/lib/ecl")
 px4_add_git_submodule(TARGET git_jmavsim PATH "Tools/jMAVSim")
 px4_add_git_submodule(TARGET git_gazebo PATH "Tools/sitl_gazebo")
 px4_add_git_submodule(TARGET git_matrix PATH "src/lib/matrix")

src/lib/ecl

@@ -0,0 +1 @@
+Subproject commit e5743d503c416693f11be3af13fdcd442e49cbce

src/modules/fw_att_control/CMakeLists.txt

@@ -40,5 +40,7 @@ px4_add_module(
 		fw_att_control_main.cpp
 	DEPENDS
 		platforms__common
+		git_ecl
+		lib__ecl
 	)
 # vim: set noet ft=cmake fenc=utf-8 ff=unix : 

src/modules/fw_pos_control_l1/CMakeLists.txt

@@ -44,6 +44,7 @@ px4_add_module(
 		mtecs/limitoverride.cpp
 	DEPENDS
 		platforms__common
+		git_ecl
 		lib__external_lgpl
 		lib__ecl
 	)

src/platforms/px4_defines.h

@@ -40,6 +40,7 @@
 #pragma once
 
 #include <px4_log.h>
+#include <math.h>
 
 /* Get the name of the default value fiven the param name */
 #define PX4_PARAM_DEFAULT_VALUE_NAME(_name) PARAM_##_name##_DEFAULT