build: added support for ccache

Signed-off-by: Michal Jenikovsky <[email protected]>

samples/Makefile

@@ -28,6 +28,7 @@ release-samples:
 	cp -f Makefile.iopglobal_sample $(SAMPLES_TARGET)/Makefile.iopglobal
 	cp -f ps2dev.cmake $(SHARE_TARGET)/ps2dev.cmake
 	cp -f ps2dev_iop.cmake $(SHARE_TARGET)/ps2dev_iop.cmake
+	cp -f ccache.cmake $(SHARE_TARGET)/ccache.cmake
 
 release-clean:
 	rm -f -r $(SAMPLES_TARGET)

samples/ccache.cmake

@@ -0,0 +1,10 @@
+find_program(CCACHE_FOUND "ccache")
+set(CCACHE_SUPPORT ON CACHE BOOL "Enable ccache support")
+if (CCACHE_FOUND AND CCACHE_SUPPORT)
+    if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+        # without this compiler messages in `make` backend would be uncolored
+        set(CMAKE_CXX_FLAGS  "${CMAKE_CXX_FLAGS} -fdiagnostics-color=auto")
+    endif()
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "ccache")
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "ccache")
+endif(CCACHE_FOUND AND CCACHE_SUPPORT)

samples/ps2dev.cmake

@@ -53,3 +53,5 @@ SET(CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS "-nostartfiles -Wl,-r -Wl,-d")
 SET(PS2 TRUE)
 SET(PLATFORM_PS2 TRUE)
 SET(EE TRUE)
+
+INCLUDE(${PS2DEV}/share/ccache.cmake)

samples/ps2dev_iop.cmake

@@ -78,3 +78,5 @@ ENDFUNCTION()
 SET(PLATFORM_PS2 TRUE)
 SET(IOP TRUE)
 SET(PS2 TRUE)
+
+INCLUDE(${PS2DEV}/share/ccache.cmake)