53 lines
1.4 KiB
Rust
53 lines
1.4 KiB
Rust
fn main() {
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let mut builder = cc::Build::new();
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if !builder.get_compiler().is_like_clang() {
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// if the default/configured cc is not clang, try to call clang manually
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builder.compiler("clang");
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}
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builder.flag("-flto=thin");
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build_ll(builder.clone());
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build_c(builder);
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}
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fn build_ll(mut builder: cc::Build) {
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// the ll files are written bare, let the compiler override module annotations and don't warn
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// about it
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builder.flag("-Wno-override-module");
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builder.file("src/poison/freeze.ll").compile("freeze");
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}
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fn build_c(mut builder: cc::Build) {
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builder.flag("-O3");
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#[cfg(feature = "finite-math-only")]
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builder.flag("-ffinite-math-only");
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#[cfg(feature = "associative-math")]
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builder.flag("-fassociative-math");
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#[cfg(feature = "reciprocal-math")]
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builder.flag("-freciprocal-math");
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#[cfg(feature = "no-signed-zeros")]
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builder.flag("-fno-signed-zeros");
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#[cfg(feature = "no-trapping-math")]
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builder.flag("-fno-trapping-math");
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#[cfg(feature = "fp-contract-fast")]
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builder.flag("-ffp-contract=fast");
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// TODO figure out if this works
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//#[cfg(feature = "approx-func")]
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//builder.flag("-Xclang -fapprox-func");
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#[cfg(feature = "denormal-fp-math-preserve-sign")]
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builder.flag("-fdenormal-fp-math=preserve-sign");
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builder.file("src/math/math.c").compile("math")
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}
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