Fixed problem with recompiling when using ninja

resources/3rdparty/include_cpptemplate.cmake

@@ -17,7 +17,7 @@ ExternalProject_Add(
         INSTALL_COMMAND ""
         BUILD_IN_SOURCE 0
         LOG_BUILD ON
-        BUILD_BYPRODUCTS ${CPPTEMPLATE_LIB_DIR}/cpptemplate${DYNAMIC_EXT} ${CPPTEMPLATE_LIB_DIR}/cpptemplate${STATIC_EXT}
+        BUILD_BYPRODUCTS ${CPPTEMPLATE_LIB_DIR}/cpptemplate${STATIC_EXT}
 )
 
 set(CPPTEMPLATE_INCLUDE_DIR ${STORM_3RDPARTY_SOURCE_DIR}/cpptemplate)
@@ -26,4 +26,4 @@ add_dependencies(resources cpptemplate)
 
 message(STATUS "storm - Linking with cpptemplate.")
 add_imported_library(cpptempl STATIC ${CPPTEMPLATE_STATIC_LIBRARY} ${CPPTEMPLATE_INCLUDE_DIR})
-list(APPEND STORM_DEP_TARGETS cpptempl_STATIC)
+list(APPEND STORM_DEP_TARGETS cpptempl_STATIC)