rb_sys_build/
utils.rs

1use crate::debug_log;
2
3/// Check if current platform is mswin.
4pub fn is_msvc() -> bool {
5    if let Ok(target) = std::env::var("TARGET") {
6        target.contains("msvc")
7    } else {
8        false
9    }
10}
11
12/// Check if current platform is mswin or mingw.
13pub fn is_mswin_or_mingw() -> bool {
14    if let Ok(target) = std::env::var("TARGET") {
15        target.contains("msvc") || target.contains("pc-windows-gnu")
16    } else {
17        false
18    }
19}
20
21/// Splits shell words.
22pub fn shellsplit<S: AsRef<str>>(s: S) -> Vec<String> {
23    let s = s.as_ref();
24    match shell_words::split(s) {
25        Ok(v) => v,
26        Err(e) => {
27            debug_log!("WARN: shellsplit failed: {}", e);
28            s.split_whitespace().map(Into::into).collect()
29        }
30    }
31}
32
33#[macro_export]
34macro_rules! memoize {
35    ($type:ty: $val:expr) => {{
36        static INIT: std::sync::Once = std::sync::Once::new();
37        static mut VALUE: Option<$type> = None;
38        #[allow(static_mut_refs)]
39        unsafe {
40            INIT.call_once(|| {
41                VALUE = Some($val);
42            });
43            VALUE.as_ref().unwrap()
44        }
45    }};
46}
47
48#[macro_export]
49macro_rules! debug_log {
50    ($($arg:tt)*) => {
51        eprintln!($($arg)*);
52    };
53}
rb_sys_build/utils.rs

rb_sys_build/
utils.rs
