use ccache as an option

Former-commit-id: 9f7fa74225

CMakeLists.txt

@@ -26,6 +26,7 @@ option(LINK_LIBCXXABI "Sets whether libc++abi should be linked." OFF)
 option(USE_LIBCXX "Sets whether the standard library is libc++." OFF)
 option(USE_CARL "Sets whether carl should be included." ON)
 option(FORCE_COLOR "Force color output" OFF)
+option(STOMR_COMPILE_WITH_CCACHE "Compile using CCache" ON)
 set(GUROBI_ROOT "" CACHE STRING "A hint to the root directory of Gurobi (optional).")
 set(Z3_ROOT "" CACHE STRING "A hint to the root directory of Z3 (optional).")
 set(CUDA_ROOT "" CACHE STRING "The root directory of CUDA.")
@@ -43,7 +44,16 @@ endif()
 message(STATUS "StoRM - Building ${CMAKE_BUILD_TYPE} version.")
 message(STATUS "StoRM - CMAKE_BUILD_TYPE (ENV): $ENV{CMAKE_BUILD_TYPE}")
 
-
+if(STOMR_COMPILE_WITH_CCACHE)
+	find_program(CCACHE_FOUND ccache)
+	if(CCACHE_FOUND)
+		message(STATUS "SToRM - Using ccache")
+		set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+		set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+	else()
+		message(STATUS "Could not find ccache")
+	endif()
+endif()
 
 # Base path for test files
 set(STORM_CPP_TESTS_BASE_PATH "${PROJECT_SOURCE_DIR}/test")