Setup sccache

cmake/sccache.cmake

@@ -0,0 +1,15 @@
+include_guard()
+
+if(CMAKE_GENERATOR STREQUAL "Ninja")
+    find_program(SCCACHE sccache REQUIRED)
+
+    if (SCCACHE)
+        set(CMAKE_C_COMPILER_LAUNCHER ${SCCACHE})
+        set(CMAKE_CXX_COMPILER_LAUNCHER ${SCCACHE})
+        set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT Embedded)
+
+        if(POLICY CMP0141)
+            cmake_policy(SET CMP0141 NEW)
+        endif()
+    endif()
+endif()