CALF: Added missing config.h

Now that we're not removing the config.h-inclusions from upstream's
source files we have to provide a dummy config.h. At the same time this
allows us to move macro definitions from CMakeLists.txt to config.h.

plugins/ladspa_effect/calf/CMakeLists.txt

@@ -2,7 +2,6 @@ FILE(GLOB SOURCES ${CMAKE_CURRENT_SOURCE_DIR}/src/*.cpp)
 ADD_LIBRARY(calf MODULE ${SOURCES})
 INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR}/include ${CMAKE_BINARY_DIR} ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/src)
 INSTALL(TARGETS calf LIBRARY DESTINATION ${PLUGIN_DIR}/ladspa)
-ADD_DEFINITIONS(-DUSE_LADSPA=1)
 SET_TARGET_PROPERTIES(calf PROPERTIES PREFIX "")
 SET(INLINE_FLAGS "")
 IF(NOT LMMS_BUILD_APPLE)

plugins/ladspa_effect/calf/src/config.h

@@ -0,0 +1 @@
+#define USE_LADSPA 1