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rust-secp256k1-unsafe-fast
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Fix cargo warning output and wrong pointer width (#88) 

Fix cargo warning output and wrong pointer width

Co-Authored-By: tomaka <pierre.krieger1708@gmail.com>
This commit is contained in:
Pierre Krieger 2019-01-09 13:15:28 +01:00 committed by Tim Ruffing
parent 4f44a0f3bc
commit fba7dfbda2
1 changed files with 6 additions and 11 deletions
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17
build.rs
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@ -23,27 +23,22 @@
extern crate cc; extern crate cc;
use std::io::{self, Write}; use std::env;
fn main() { fn main() {
// Check whether we can use 64-bit compilation // Check whether we can use 64-bit compilation
#[cfg(target_pointer_width = "64")] let use_64bit_compilation = if env::var("CARGO_CFG_TARGET_POINTER_WIDTH").unwrap() == "64" {
let use_64bit_compilation = {
let check = cc::Build::new().file("depend/check_uint128_t.c") let check = cc::Build::new().file("depend/check_uint128_t.c")
.cargo_metadata(false) .cargo_metadata(false)
.try_compile("check_uint128_t") .try_compile("check_uint128_t")
.is_ok(); .is_ok();
if !check { if !check {
writeln!( println!("cargo:warning=Compiling in 32-bit mode on a 64-bit architecture due to lack of uint128_t support.");
&mut io::stderr(),
"Warning: Compiling in 32-bit mode on a 64-bit architecture due to lack of uint128_t support."
).expect("print to stderr")
} }
check check
} else {
false
}; };
#[cfg(not(target_pointer_width = "64"))]
let use_64bit_compilation = false;
// Actual build // Actual build
let mut base_config = cc::Build::new(); let mut base_config = cc::Build::new();
@ -61,7 +56,7 @@ fn main() {
.define("ENABLE_MODULE_ECDH", Some("1")) .define("ENABLE_MODULE_ECDH", Some("1"))
.define("ENABLE_MODULE_RECOVERY", Some("1")); .define("ENABLE_MODULE_RECOVERY", Some("1"));
if let Ok(target_endian) = std::env::var("CARGO_CFG_TARGET_ENDIAN") { if let Ok(target_endian) = env::var("CARGO_CFG_TARGET_ENDIAN") {
if target_endian == "big" { if target_endian == "big" {
base_config.define("WORDS_BIGENDIAN", Some("1")); base_config.define("WORDS_BIGENDIAN", Some("1"));
} }