Cleanup of module building.

src/lib/CMakeLists.txt

@@ -1,15 +0,0 @@
-set(directories
-	./external_lgpl
-	./geo
-	./launchdetection
-	./mathlib/math/filter
-	./mathlib
-	./rc
-	./geo_lookup
-	./ecl
-	./conversion
-	)
-
-foreach(directory ${directories})
-	add_subdirectory(${directory} EXCLUDE_FROM_ALL)
-endforeach()

src/lib/mathlib/math/filter/LowPassFilter2p.cpp

@@ -41,6 +41,10 @@
 #include "LowPassFilter2p.hpp"
 #include "math.h"
 
+#ifndef M_PI_F
+#define M_PI_F 3.14159f
+#endif
+
 namespace math
 {