From 454ee5a7c73583cb3060d1464a5d3a4e65f06062 Mon Sep 17 00:00:00 2001 From: Jack O'Connor Date: Sat, 1 Jun 2024 11:47:20 -0700 Subject: add check-cfg directives in build.rs to silence nightly warnings See https://blog.rust-lang.org/2024/05/06/check-cfg.html. --- build.rs | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'build.rs') diff --git a/build.rs b/build.rs index a5dfd06..886ff95 100644 --- a/build.rs +++ b/build.rs @@ -240,6 +240,23 @@ fn build_neon_c_intrinsics() { } fn main() -> Result<(), Box> { + // As of Rust 1.80, unrecognized config names are warnings. Give Cargo all of our config names. + let all_cfgs = [ + "blake3_sse2_ffi", + "blake3_sse2_rust", + "blake3_sse41_ffi", + "blake3_sse41_rust", + "blake3_avx2_ffi", + "blake3_avx2_rust", + "blake3_avx512_ffi", + "blake3_neon", + ]; + for cfg_name in all_cfgs { + // TODO: Switch this whole file to the new :: syntax when our MSRV reaches 1.77. + // https://doc.rust-lang.org/cargo/reference/build-scripts.html#outputs-of-the-build-script + println!("cargo:rustc-check-cfg=cfg({cfg_name}, values(none()))"); + } + if is_pure() && is_neon() { panic!("It doesn't make sense to enable both \"pure\" and \"neon\"."); } -- cgit v1.2.3