message: build system: don't install cpp_rsc
  We don't need to install or package this tool. It's only used at build
  time.
diff: @@ -20,7 +20,7 @@ if(NOT MSVC)
  include(third_party/cpp_rsc/cmake/modules/cpp_resource.cmake)
  if(NOT ANDROID AND NOT IOS)
  # If not cross-compiling, we can build cpp_rsc.
  - add_subdirectory(third_party/cpp_rsc/src)
  + add_subdirectory(third_party/cpp_rsc/src EXCLUDE_FROM_ALL)
  else()
  # For cross-compilation, re-use the binary from default.
  set_property(GLOBAL PROPERTY CPPRSC_CMD ${CMAKE_CURRENT_BINARY_DIR}/../default/third_party/cpp_rsc/src/cpp_rsc)
  