Include imported targets into module config file

src/glfw3Config.cmake.in

@@ -1,15 +1 @@
-# - Config file for the glfw3 package
-# It defines the following variables
-#   GLFW3_INCLUDE_DIR, the path where GLFW headers are located
-#   GLFW3_LIBRARY_DIR, folder in which the GLFW library is located
-#   GLFW3_LIBRARY, library to link against to use GLFW
-
-set(GLFW3_VERSION "@GLFW_VERSION_FULL@")
-
-@PACKAGE_INIT@
-
-set_and_check(GLFW3_INCLUDE_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/include")
-set_and_check(GLFW3_LIBRARY_DIR "@PACKAGE_CMAKE_INSTALL_PREFIX@/lib@LIB_SUFFIX@")
-
-find_library(GLFW3_LIBRARY "@GLFW_LIB_NAME@" HINTS ${GLFW3_LIBRARY_DIR})
-
+include("${CMAKE_CURRENT_LIST_DIR}/glfw3Targets.cmake")