ccache for everyone

Author: jkflying

CMakeLists.txt

@@ -14,6 +14,12 @@ option(OPENCALIBRATION_CLANG_TIDY "Run clang-tidy during compilation" OFF)
 
 # =====================================
 
+find_program(CCACHE_PROGRAM ccache)
+if(CCACHE_PROGRAM)
+    set(CMAKE_C_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+    set(CMAKE_CXX_COMPILER_LAUNCHER "${CCACHE_PROGRAM}")
+endif()
+
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 set(CMAKE_CXX_STANDARD 17)