61 lines
2.3 KiB
Rust
61 lines
2.3 KiB
Rust
// SPDX-License-Identifier: CC0-1.0
|
|
|
|
//! # Build script
|
|
|
|
// Coding conventions
|
|
#![deny(non_upper_case_globals)]
|
|
#![deny(non_camel_case_types)]
|
|
#![deny(non_snake_case)]
|
|
#![deny(unused_mut)]
|
|
#![warn(missing_docs)]
|
|
|
|
extern crate cc;
|
|
|
|
use std::env;
|
|
|
|
fn main() {
|
|
// Actual build
|
|
let mut base_config = cc::Build::new();
|
|
base_config.include("depend/secp256k1/")
|
|
.include("depend/secp256k1/include")
|
|
.include("depend/secp256k1/src")
|
|
.flag_if_supported("-Wno-unused-function") // some ecmult stuff is defined but not used upstream
|
|
.define("SECP256K1_API", Some(""))
|
|
.define("ENABLE_MODULE_ECDH", Some("1"))
|
|
.define("ENABLE_MODULE_SCHNORRSIG", Some("1"))
|
|
.define("ENABLE_MODULE_EXTRAKEYS", Some("1"))
|
|
.define("ENABLE_MODULE_ELLSWIFT", Some("1"));
|
|
|
|
if cfg!(feature = "lowmemory") {
|
|
base_config.define("ECMULT_WINDOW_SIZE", Some("4")); // A low-enough value to consume negligible memory
|
|
base_config.define("ECMULT_GEN_PREC_BITS", Some("2"));
|
|
} else {
|
|
base_config.define("ECMULT_GEN_PREC_BITS", Some("4"));
|
|
base_config.define("ECMULT_WINDOW_SIZE", Some("15")); // This is the default in the configure file (`auto`)
|
|
}
|
|
base_config.define("USE_EXTERNAL_DEFAULT_CALLBACKS", Some("1"));
|
|
#[cfg(feature = "recovery")]
|
|
base_config.define("ENABLE_MODULE_RECOVERY", Some("1"));
|
|
|
|
// WASM headers and size/align defines.
|
|
if env::var("CARGO_CFG_TARGET_ARCH").unwrap() == "wasm32" {
|
|
base_config.include("wasm/wasm-sysroot")
|
|
.file("wasm/wasm.c");
|
|
}
|
|
|
|
// secp256k1
|
|
base_config.file("depend/secp256k1/contrib/lax_der_parsing.c")
|
|
.file("depend/secp256k1/src/precomputed_ecmult_gen.c")
|
|
.file("depend/secp256k1/src/precomputed_ecmult.c")
|
|
.file("depend/secp256k1/src/secp256k1.c");
|
|
|
|
if base_config.try_compile("libsecp256k1.a").is_err() {
|
|
// Some embedded platforms may not have, eg, string.h available, so if the build fails
|
|
// simply try again with the wasm sysroot (but without the wasm type sizes) in the hopes
|
|
// that it works.
|
|
base_config.include("wasm/wasm-sysroot");
|
|
base_config.compile("libsecp256k1.a");
|
|
}
|
|
}
|
|
|