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56 lines
1.3 KiB
56 lines
1.3 KiB
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extern crate rustc_version;
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extern crate cc;
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use std::path::Path;
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use rustc_version::{version, version_meta, Channel};
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const FFI_SRC_DIR: &str = "src/ffi";
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fn build_cookie_wrapper(floc: impl AsRef<Path>)
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{
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let mut builder = cc::Build::new();
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// --std=c99 -W -Wall -Werror -pedantic -O3 -flto
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builder.flag("--std=c99")
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.flag("-W")
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.flag("-Wall")
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.flag_if_supported("-Wextra")
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.flag("-Werror")
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.flag("-pedantic")
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.flag("-fno-strict-aliasing")
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.include("include/")
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.opt_level(3)
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.flag_if_supported("-flto")
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// Not sure if we want these two. We can check the codegen later.
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.pic(false)
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.use_plt(false)
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.file(Path::new(FFI_SRC_DIR).join(floc))
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.compile("cwrapper");
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}
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fn main() {
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// Assert we haven't travelled back in time
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assert!(version().unwrap().major >= 1);
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// Set cfg flags depending on release channel
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match version_meta().unwrap().channel {
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Channel::Stable => {
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println!("cargo:rustc-cfg=stable");
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}
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Channel::Beta => {
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println!("cargo:rustc-cfg=beta");
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}
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Channel::Nightly => {
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println!("cargo:rustc-cfg=nightly");
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}
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Channel::Dev => {
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println!("cargo:rustc-cfg=dev");
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}
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}
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build_cookie_wrapper("wrapper.c");
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}
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