use ccache if available

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 30c8663e7b5a5f213293a1f5b0eb1483592591c8..d256e7ed95f8529f2a70dc669b70787d075c325d 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -35,6 +35,13 @@ if(${RAGEL} STREQUAL "RAGEL-NOTFOUND")
     message(FATAL_ERROR "Ragel state machine compiler not found")
 endif()
 
+# Add ccache to speed builds
+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)
+
 # Build type check
 
 if (NOT CMAKE_BUILD_TYPE)