sync with upstream

1 files changed, 10 insertions, 1 deletions

diff --git a/cmake/modules/FindCCache.cmake b/cmake/modules/FindCCache.cmake
index 956dee2..a18d4e0 100644
--- a/cmake/modules/FindCCache.cmake
+++ b/cmake/modules/FindCCache.cmake
@@ -12,7 +12,16 @@ include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(CCache REQUIRED_VARS CCACHE_PROGRAM)
 
 if(CCACHE_FOUND)
-  # Supports Unix Makefiles and Ninja
+  # Supports Unix Makefiles, Ninja and Xcode
   set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE "${CCACHE_PROGRAM}")
   set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK "${CCACHE_PROGRAM}")
+
+  file(WRITE "${CMAKE_BINARY_DIR}/launch-c" "exec \"${CCACHE_PROGRAM}\" \"${CMAKE_C_COMPILER}\" \"$@\"\n")
+  file(WRITE "${CMAKE_BINARY_DIR}/launch-cxx" "exec \"${CCACHE_PROGRAM}\" \"${CMAKE_CXX_COMPILER}\" \"$@\"\n")
+  execute_process(COMMAND chmod +x "${CMAKE_BINARY_DIR}/launch-c" "${CMAKE_BINARY_DIR}/launch-cxx")
+
+  set(CMAKE_XCODE_ATTRIBUTE_CC "${CMAKE_BINARY_DIR}/launch-c" PARENT_SCOPE)
+  set(CMAKE_XCODE_ATTRIBUTE_CXX "${CMAKE_BINARY_DIR}/launch-cxx" PARENT_SCOPE)
+  set(CMAKE_XCODE_ATTRIBUTE_LD "${CMAKE_BINARY_DIR}/launch-c" PARENT_SCOPE)
+  set(CMAKE_XCODE_ATTRIBUTE_LDPLUSPLUS "${CMAKE_BINARY_DIR}/launch-cxx" PARENT_SCOPE)
 endif()