CMake: Change the way tests links lmms

src/CMakeLists.txt

@@ -64,16 +64,16 @@ ENDIF()
 # Enable C++11
 ADD_DEFINITIONS("-std=c++0x")
 
-ADD_EXECUTABLE(lmms
-	core/main.cpp
+ADD_LIBRARY(lmmsobjs OBJECT
 	${LMMS_SRCS}
 	${LMMS_INCLUDES}
 	${LMMS_UI_OUT}
 	${LMMS_ER_H}
-	"${WINRC}"
 )
-SET_TARGET_PROPERTIES(lmms PROPERTIES
-	ENABLE_EXPORTS ON
+ADD_EXECUTABLE(lmms
+	$<TARGET_OBJECTS:lmmsobjs>
+	core/main.cpp
+	"${WINRC}"
 )
 
 SET_DIRECTORY_PROPERTIES(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${LMMS_ER_H} ${LMMS_UI_OUT} lmmsconfig.h lmms.1.gz")
@@ -82,7 +82,7 @@ IF(LMMS_BUILD_WIN32)
 	SET(EXTRA_LIBRARIES "-lwinmm")
 ENDIF()
 
-TARGET_LINK_LIBRARIES(lmms
+SET(LMMS_REQUIRED_LIBS
 	${CMAKE_THREAD_LIBS_INIT}
 	${QT_LIBRARIES}
 	${ASOUND_LIBRARY}
@@ -95,6 +95,12 @@ TARGET_LINK_LIBRARIES(lmms
 	${SNDFILE_LIBRARIES}
 	${EXTRA_LIBRARIES}
 )
+# Expose required libs for tests binary
+SET(LMMS_REQUIRED_LIBS ${LMMS_REQUIRED_LIBS} PARENT_SCOPE)
+
+TARGET_LINK_LIBRARIES(lmms
+	${LMMS_REQUIRED_LIBS}
+)
 
 IF(QT5)
 	TARGET_LINK_LIBRARIES(lmms
@@ -138,6 +144,7 @@ ENDFOREACH(_item ${qm_targets})
 IF(LMMS_BUILD_WIN32)
 	SET_TARGET_PROPERTIES(lmms PROPERTIES
 		LINK_FLAGS "${LINK_FLAGS} -mwindows"
+		ENABLE_EXPORTS ON
 	)
 	ADD_CUSTOM_COMMAND(TARGET lmms POST_BUILD COMMAND "${STRIP}" "$<TARGET_FILE:lmms>")