in Sources/XCRemoteCache/Commands/Prepare/CCWrapperBuilder.swift [61:88]
func compile(to destination: URL, commitSha: String) throws {
let compilationFile = fileManager.temporaryDirectory.appendingPathComponent("xccc.c")
let compilationContent = buildWrapperSource(
clangCommand: clangCommand,
markerFilename: markerPath,
commitSha: commitSha
)
fileManager.createFile(
atPath: compilationFile.path,
contents: compilationContent.data(using: .utf8),
attributes: nil
)
infoLog("ClangWrapperBuilder compiles file at \(compilationFile).")
// -O3: optimize for faster execution
let args = [
clangCommand,
"-arch",
"arm64",
"-arch",
"x86_64",
"-O3",
compilationFile.path,
"-o",
destination.path,
]
let compilationOutput = try shell("xcrun", args, URL(fileURLWithPath: "").path, nil)
infoLog("Clang compilation output: \(compilationOutput)")
}