CMake config file cleanup.

CMakeLists.txt

@@ -399,8 +399,9 @@ install(FILES ${GLFW_BINARY_DIR}/src/glfwConfig.cmake
               ${GLFW_BINARY_DIR}/src/glfwConfigVersion.cmake
 		DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
 
-# Install the export set for use with the install-tree
+if (UNIX)
     install(EXPORT glfwTargets DESTINATION lib${LIB_SUFFIX}/cmake/glfw)
+endif()
 
 #--------------------------------------------------------------------
 # Create and install pkg-config file on supported platforms

src/glfwConfigVersion.cmake.in

@@ -1,3 +1,4 @@
+
 set(PACKAGE_VERSION "@GLFW_VERSION_FULL@")
 
 if ("${PACKAGE_FIND_VERSION_MAJOR}" EQUAL "@GLFW_VERSION_MAJOR@")
@@ -8,3 +9,4 @@ if("${PACKAGE_FIND_VERSION_MAJOR}" EQUAL "@GLFW_VERSION_MAJOR@")
 else()
 	set(PACKAGE_VERSION_COMPATIBLE FALSE)
 endif()
+