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rust-secp256k1-unsafe-fast
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This commit is contained in:
Christian Reitter 2025-07-07 20:36:02 +02:00
parent bfd49c0ade
commit f060264ede
1 changed files with 3 additions and 1 deletions
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secp256k1-sys/build.rs
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@ -47,6 +47,7 @@ fn main() {
// TODO highly experimental // TODO highly experimental
// non-standard optimization // non-standard optimization
// slow compilation // slow compilation
// TODO this changes with the next secp256k1 version 0.11
base_config.define("ECMULT_GEN_PREC_BITS", Some("16")); base_config.define("ECMULT_GEN_PREC_BITS", Some("16"));
// ECMULT_WINDOW_SIZE has only a minor performance impact // ECMULT_WINDOW_SIZE has only a minor performance impact
@ -88,7 +89,7 @@ fn main() {
// relevant: // relevant:
// RUSTFLAGS="-Clink-args=-fuse-ld=lld" // RUSTFLAGS="-Clink-args=-fuse-ld=lld"
// installing the lld tool package // installing the lld tool package
// for lto=thin, there are problems with "Opaque pointers are only supported in -opaque-pointers mode" // for lto=thin, there are problems with "Opaque pointers are only supported in -opaque-pointers mode"
// for lto=fat, there are some problems with "error: undefined symbol" // for lto=fat, there are some problems with "error: undefined symbol"
// base_config.flag("-flto=thin"); // base_config.flag("-flto=thin");
// base_config.flag("-flto=fat"); // base_config.flag("-flto=fat");
@ -104,6 +105,7 @@ fn main() {
base_config.define("OPTIMIZE_UNSAFE_SKIP_MASKING", Some("")); base_config.define("OPTIMIZE_UNSAFE_SKIP_MASKING", Some(""));
// This is slower, and removed in a future secp256k1 code version // This is slower, and removed in a future secp256k1 code version
// TODO only makes a difference in two code locations?
// base_config.define("USE_ASM_X86_64", Some("")); // base_config.define("USE_ASM_X86_64", Some(""));
// -O3 seems to be better than -O2 for clang // -O3 seems to be better than -O2 for clang