f72bfe6661
This commit expands the bootstrap build system's `README.md` as well as ensuring that all API documentation is present and up-to-date. Additionally a new `config.toml.example` file is checked in with commented out versions of all possible configuration values.
38 lines
1.3 KiB
Rust
38 lines
1.3 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! A small helper library shared between the build system's executables
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//!
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//! Currently this just has some simple utilities for modifying the dynamic
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//! library lookup path.
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use std::env;
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use std::ffi::OsString;
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use std::path::PathBuf;
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/// Returns the environment variable which the dynamic library lookup path
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/// resides in for this platform.
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pub fn dylib_path_var() -> &'static str {
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if cfg!(target_os = "windows") {
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"PATH"
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} else if cfg!(target_os = "macos") {
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"DYLD_LIBRARY_PATH"
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} else {
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"LD_LIBRARY_PATH"
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}
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}
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/// Parses the `dylib_path_var()` environment variable, returning a list of
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/// paths that are members of this lookup path.
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pub fn dylib_path() -> Vec<PathBuf> {
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env::split_paths(&env::var_os(dylib_path_var()).unwrap_or(OsString::new()))
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.collect()
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}
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