create static and shared library from same source build

Author: floe

examples/protonect/CMakeLists.txt

@@ -171,21 +171,27 @@ CONFIGURE_FILE("${MY_DIR}/include/libfreenect2/config.h.in" "${MY_DIR}/include/l
 GENERATE_RESOURCES(${RESOURCES_INC_FILE} ${MY_DIR} ${RESOURCES})
 
 ADD_DEFINITIONS(-DRESOURCES_INC)
-ADD_LIBRARY(freenect2 SHARED ${SOURCES})
+ADD_LIBRARY(freenect2 OBJECT ${SOURCES})
+set_target_properties(freenect2 PROPERTIES POSITION_INDEPENDENT_CODE 1)
+ADD_LIBRARY(freenect2shared SHARED $<TARGET_OBJECTS:freenect2>)
+ADD_LIBRARY(freenect2static STATIC $<TARGET_OBJECTS:freenect2>)
+set_target_properties(freenect2shared PROPERTIES OUTPUT_NAME freenect2)
+set_target_properties(freenect2static PROPERTIES OUTPUT_NAME freenect2)
 MESSAGE("Linking with these libraries: ${LIBRARIES}")
-TARGET_LINK_LIBRARIES(freenect2 ${LIBRARIES})
+TARGET_LINK_LIBRARIES(freenect2shared ${LIBRARIES})
 
 ADD_EXECUTABLE(Protonect
   Protonect.cpp
 )
 
 TARGET_LINK_LIBRARIES(Protonect
-  freenect2
+  freenect2shared
 )
 
 CONFIGURE_FILE(freenect2.cmake.in "${PROJECT_BINARY_DIR}/freenect2Config.cmake" @ONLY)
 
-INSTALL(TARGETS freenect2 DESTINATION lib)
+INSTALL(TARGETS freenect2shared DESTINATION lib)
+INSTALL(TARGETS freenect2static DESTINATION lib)
 INSTALL(DIRECTORY "${MY_DIR}/include/" DESTINATION include PATTERN "*.in" EXCLUDE)
 IF(LIBFREENECT2_THREADING_TINYTHREAD)
   INSTALL(FILES  "${MY_DIR}/src/tinythread/tinythread.h" DESTINATION include/${PROJECT_NAME}/tinythread/)