run_make_support/external_deps/
clang.rs

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1use std::path::Path;
2
3use crate::command::Command;
4use crate::{bin_name, cwd, env_var};
5
6/// Construct a new `clang` invocation. `clang` is not always available for all targets.
7#[track_caller]
8pub fn clang() -> Clang {
9    Clang::new()
10}
11
12/// A `clang` invocation builder.
13#[derive(Debug)]
14#[must_use]
15pub struct Clang {
16    cmd: Command,
17}
18
19crate::macros::impl_common_helpers!(Clang);
20
21impl Clang {
22    /// Construct a new `clang` invocation. `clang` is not always available for all targets.
23    #[track_caller]
24    pub fn new() -> Self {
25        let clang = env_var("CLANG");
26        let mut cmd = Command::new(clang);
27        cmd.arg("-L").arg(cwd());
28        Self { cmd }
29    }
30
31    /// Provide an input file.
32    pub fn input<P: AsRef<Path>>(&mut self, path: P) -> &mut Self {
33        self.cmd.arg(path.as_ref());
34        self
35    }
36
37    /// Specify the name of the executable. The executable will be placed under the current directory
38    /// and the extension will be determined by [`bin_name`].
39    pub fn out_exe(&mut self, name: &str) -> &mut Self {
40        self.cmd.arg("-o");
41        self.cmd.arg(bin_name(name));
42        self
43    }
44
45    /// Specify which target triple clang should target.
46    pub fn target(&mut self, target_triple: &str) -> &mut Self {
47        self.cmd.arg("-target");
48        self.cmd.arg(target_triple);
49        self
50    }
51
52    /// Pass `-nostdlib` to disable linking the C standard library.
53    pub fn no_stdlib(&mut self) -> &mut Self {
54        self.cmd.arg("-nostdlib");
55        self
56    }
57
58    /// Specify architecture.
59    pub fn arch(&mut self, arch: &str) -> &mut Self {
60        self.cmd.arg(format!("-march={arch}"));
61        self
62    }
63
64    /// Specify LTO settings.
65    pub fn lto(&mut self, lto: &str) -> &mut Self {
66        self.cmd.arg(format!("-flto={lto}"));
67        self
68    }
69
70    /// Specify which ld to use.
71    pub fn use_ld(&mut self, ld: &str) -> &mut Self {
72        self.cmd.arg(format!("-fuse-ld={ld}"));
73        self
74    }
75}
run_make_support/external_deps/clang.rs

run_make_support/external_deps/
clang.rs
