From 2aa4a82499d4becd2284cdb482213d541b8804dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 16:29:10 +0200 Subject: Adding upstream version 86.0.1. Signed-off-by: Daniel Baumann --- third_party/rust/crc32fast/build.rs | 35 +++++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 third_party/rust/crc32fast/build.rs (limited to 'third_party/rust/crc32fast/build.rs') diff --git a/third_party/rust/crc32fast/build.rs b/third_party/rust/crc32fast/build.rs new file mode 100644 index 0000000000..563cb21732 --- /dev/null +++ b/third_party/rust/crc32fast/build.rs @@ -0,0 +1,35 @@ +use std::env; +use std::process::Command; +use std::str; + +fn main() { + println!("cargo:rerun-if-changed=build.rs"); + + let minor = match rustc_minor_version() { + Some(n) => n, + None => return, + }; + + if minor >= 27 { + println!("cargo:rustc-cfg=crc32fast_stdarchx86"); + } +} + +fn rustc_minor_version() -> Option { + macro_rules! otry { + ($e:expr) => { + match $e { + Some(e) => e, + None => return None, + } + }; + } + let rustc = otry!(env::var_os("RUSTC")); + let output = otry!(Command::new(rustc).arg("--version").output().ok()); + let version = otry!(str::from_utf8(&output.stdout).ok()); + let mut pieces = version.split('.'); + if pieces.next() != Some("rustc 1") { + return None; + } + otry!(pieces.next()).parse().ok() +} -- cgit v1.2.3