21 lines
641 B
Rust
21 lines
641 B
Rust
extern crate version_check;
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use std::env;
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use version_check::is_min_version;
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fn main() {
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// Switch on for versions that have Error::source
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// As introduced by https://github.com/rust-lang/rust/pull/53533
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if is_min_version("1.30").unwrap_or(false) {
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println!("cargo:rustc-cfg=has_error_source");
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}
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if is_min_version("1.42").unwrap_or(false) {
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println!("cargo:rustc-cfg=has_error_description_deprecated");
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}
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// So we can get the build profile for has_backtrace_depending_on_env test
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if let Ok(profile) = env::var("PROFILE") {
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println!("cargo:rustc-cfg=build={:?}", profile);
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}
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}
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