Add context for invalid extensions for cc compile

			ccCmd = "clang++"

			moduleFlags = cppflags

			moduleToolingFlags = toolingCppflags

		case ".h", ".hpp":

			ctx.PropertyErrorf("srcs", "Header file %s is not supported, instead use export_include_dirs or local_include_dirs.", srcFile)

			continue

		default:

			ctx.ModuleErrorf("File %s has unknown extension", srcFile)

			ctx.PropertyErrorf("srcs", "File %s has unknown extension. Supported extensions: .s, .S, .c, .cpp, .cc, .cxx, .mm", srcFile)

			continue

		}