Improved CMake config file generation.

src/glfw3Config.cmake.in

@@ -0,0 +1,15 @@
+# - 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})
+