43 lines
1.3 KiB
Rust
43 lines
1.3 KiB
Rust
// build.rs -- Compile-time detection of optional build tools.
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//
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// Sets cfg flags that integration tests use to gracefully skip when
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// tools are missing instead of panicking with scary error messages.
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//
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// has_cmake cmake is in PATH
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// has_cpp_compiler g++, clang++, or cl is in PATH
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// has_git git is in PATH
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// has_arduino_cli arduino-cli is in PATH
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//
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// Usage in tests:
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// #[cfg_attr(not(has_cmake), ignore = "cmake not found")]
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use std::process::{Command, Stdio};
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fn has_tool(name: &str) -> bool {
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Command::new(name)
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.arg("--version")
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.stdout(Stdio::null())
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.stderr(Stdio::null())
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.status()
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.is_ok()
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}
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fn main() {
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println!("cargo::rustc-check-cfg=cfg(has_cmake)");
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println!("cargo::rustc-check-cfg=cfg(has_cpp_compiler)");
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println!("cargo::rustc-check-cfg=cfg(has_git)");
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println!("cargo::rustc-check-cfg=cfg(has_arduino_cli)");
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if has_tool("cmake") {
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println!("cargo:rustc-cfg=has_cmake");
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}
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if has_tool("g++") || has_tool("clang++") || has_tool("cl") {
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println!("cargo:rustc-cfg=has_cpp_compiler");
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}
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if has_tool("git") {
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println!("cargo:rustc-cfg=has_git");
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}
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if has_tool("arduino-cli") {
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println!("cargo:rustc-cfg=has_arduino_cli");
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}
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} |