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fn main() {
println!("cargo:rustc-check-cfg=cfg(use_instrument_hooks)");
println!("cargo:rerun-if-changed=instrument-hooks/dist/core.c");
println!("cargo:rerun-if-changed=instrument-hooks/includes/core.h");
println!("cargo:rerun-if-changed=build.rs");
let mut build = cc::Build::new();
build
.flag("-std=c11")
.file("instrument-hooks/dist/core.c")
.include("instrument-hooks/includes")
// We generated the C code from Zig, which contains some warnings
// that can be safely ignored.
.flag("-Wno-format")
.flag("-Wno-format-security")
.flag("-Wno-unused-but-set-variable")
.flag("-Wno-unused-const-variable")
.flag("-Wno-type-limits")
.flag("-Wno-uninitialized")
// Ignore warnings when cross-compiling:
.flag("-Wno-overflow")
.flag("-Wno-unused-function")
.flag("-Wno-constant-conversion")
.flag("-Wno-incompatible-pointer-types")
// Disable warnings, as we will have lots of them
.warnings(false)
.extra_warnings(false)
.cargo_warnings(false)
.opt_level(3);
let result = build.try_compile("instrument_hooks");
match result {
Ok(_) => println!("cargo:rustc-cfg=use_instrument_hooks"),
Err(e) => {
let compiler = build.try_get_compiler().expect("Failed to get C compiler");
eprintln!("\n\nWARNING: Failed to compile instrument-hooks native library with cc-rs.");
eprintln!("The library will still compile, but instrument-hooks functionality will be disabled.");
eprintln!("Compiler information: {compiler:?}");
eprintln!("Compilation error: {e}\n");
println!("cargo:warning=Failed to compile instrument-hooks native library with cc-rs. Continuing with noop implementation.");
}
}
}
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