diff --git a/Cargo.toml b/Cargo.toml index b1e89098..11a74b05 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -1,6 +1,6 @@ [package] name = "cc" -version = "1.0.46" +version = "1.0.47" authors = ["Alex Crichton "] license = "MIT/Apache-2.0" repository = "https://github.com/alexcrichton/cc-rs" diff --git a/src/lib.rs b/src/lib.rs index 4c485fd4..621d31d6 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1903,13 +1903,19 @@ impl Build { let tool_opt: Option = self .env_tool(env) - .map(|(tool, cc, args)| { + .map(|(tool, wrapper, args)| { + // find the driver mode, if any + const DRIVER_MODE: &str = "--driver-mode="; + let driver_mode = args + .iter() + .find(|a| a.starts_with(DRIVER_MODE)) + .map(|a| &a[DRIVER_MODE.len()..]); // chop off leading/trailing whitespace to work around // semi-buggy build scripts which are shared in // makefiles/configure scripts (where spaces are far more // lenient) - let mut t = Tool::new(PathBuf::from(tool.trim())); - if let Some(cc) = cc { + let mut t = Tool::with_clang_driver(PathBuf::from(tool.trim()), driver_mode); + if let Some(cc) = wrapper { t.cc_wrapper_path = Some(PathBuf::from(cc)); } for arg in args { @@ -2062,7 +2068,7 @@ impl Build { Err(_) => "nvcc".into(), Ok(nvcc) => nvcc, }; - let mut nvcc_tool = Tool::with_features(PathBuf::from(nvcc), self.cuda); + let mut nvcc_tool = Tool::with_features(PathBuf::from(nvcc), None, self.cuda); nvcc_tool .args .push(format!("-ccbin={}", tool.path.display()).into()); @@ -2329,11 +2335,15 @@ impl Default for Build { } impl Tool { - fn new(path: PathBuf) -> Tool { - Tool::with_features(path, false) + fn new(path: PathBuf) -> Self { + Tool::with_features(path, None, false) } - fn with_features(path: PathBuf, cuda: bool) -> Tool { + fn with_clang_driver(path: PathBuf, clang_driver: Option<&str>) -> Self { + Self::with_features(path, clang_driver, false) + } + + fn with_features(path: PathBuf, clang_driver: Option<&str>, cuda: bool) -> Self { // Try to detect family of the tool from its name, falling back to Gnu. let family = if let Some(fname) = path.file_name().and_then(|p| p.to_str()) { if fname.contains("clang-cl") { @@ -2345,13 +2355,17 @@ impl Tool { { ToolFamily::Msvc { clang_cl: false } } else if fname.contains("clang") { - ToolFamily::Clang + match clang_driver { + Some("cl") => ToolFamily::Msvc { clang_cl: true }, + _ => ToolFamily::Clang, + } } else { ToolFamily::Gnu } } else { ToolFamily::Gnu }; + Tool { path: path, cc_wrapper_path: None,