Merge pull request #938 from bilke/ccache

Enable ccache

scripts/cmake/CompilerSetup.cmake

@@ -64,6 +64,10 @@ if(COMPILER_IS_CLANG)
 
 	include(ClangSanitizer)
 
+	if(CCACHE_FOUND AND APPLE)
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments")
+	endif()
+
 endif() # COMPILER_IS_CLANG
 
 ### Intel compiler

scripts/cmake/Find.cmake

@@ -129,3 +129,9 @@ if(OGS_USE_MPI)
 	include_directories(SYSTEM ${MPI_CXX_INCLUDE_PATH})
 endif()
 
+## CCache
+find_program(CCACHE_FOUND ccache)
+if(CCACHE_FOUND)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+endif(CCACHE_FOUND)