Use CMAKE_LANG_COMPILER_LAUNCHER to launch ccache. (#2173)

Author: Dimi1010

CMakeLists.txt

@@ -34,8 +34,9 @@ target_architecture(PCAPP_TARGET_ARCHITECTURE)
 find_program(CCACHE_PROGRAM ccache)
 if(CCACHE_PROGRAM)
   message(STATUS "Ccache found!")
-  set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
-  set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_PROGRAM}")
+  message(VERBOSE "Ccache program: ${CCACHE_PROGRAM}")
+  set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+  set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
 else()
   message(STATUS "Ccache not found!")
 endif()