message: Log in tests when using linked shaderc
diff: @@ -271,6 +271,13 @@ std::vector<uint32_t> CompileShaderToSpv(const std::string &source_text, SPIRVTa
  if(shaderc)
  {
  #if USE_LINKED_SHADERC
  + static bool logged = false;
  +
  + if(!logged)
  + {
  + logged = true;
  + TEST_LOG("Compiling using built-in shaderc");
  + }
  shaderc_compile_options_t opts = shaderc_compile_options_initialize();
  if(lang == ShaderLang::glsl)
  