cmake: Add CCache support

2017-01-17 22:39:51 +01:00
parent 6829b42846
commit 17187694f6
2 changed files with 14 additions and 0 deletions
@@ -0,0 +1,11 @@
+find_program(CCACHE_BIN ccache)
+if(CCACHE_BIN)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ${CCACHE_BIN})
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ${CCACHE_BIN})
+
+    # ccache uses -I when compiling without preprocessor, which makes clang complain.
+    if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Qunused-arguments -fcolor-diagnostics")
+        set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Qunused-arguments -fcolor-diagnostics")
+    endif()
+endif()