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Fix FreeBSD build

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This commit is contained in:
gnzlbg 2019-08-14 07:30:15 +02:00
parent d7907c00e1
commit 4f1966f5c5
1 changed files with 17 additions and 9 deletions
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26
build.rs
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@ -7,6 +7,8 @@ fn main() {
rustc_minor_version().expect("Failed to get rustc version");
let rustc_dep_of_std = env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok();
let align_cargo_feature = env::var("CARGO_FEATURE_ALIGN").is_ok();
#[allow(unused)]
let libc_ci = env::var("LIBC_CI").is_ok();
if env::var("CARGO_FEATURE_USE_STD").is_ok() {
println!(
@ -15,15 +17,20 @@ fn main() {
);
}
if env::var("LIBC_CI").is_ok() {
if let Some(11) = which_freebsd() {
println!("cargo:rustc-cfg=freebsd11");
}
if let Some(12) = which_freebsd() {
println!("cargo:rustc-cfg=freebsd12");
}
if let Some(13) = which_freebsd() {
println!("cargo:rustc-cfg=freebsd13");
// The ABI of libc is backward compatible with FreeBSD 11.
//
// On CI, we detect the actual FreeBSD version and match its ABI exactly,
// running tests to ensure that the ABI is correct.
#[cfg(target_os = "freebsd")]
match which_freebsd() {
Some(11) if libc_ci => println!("cargo:rustc-cfg=freebsd11"),
Some(12) if libc_ci => println!("cargo:rustc-cfg=freebsd12"),
Some(13) if libc_ci => println!("cargo:rustc-cfg=freebsd13"),
Some(_) => println!("cargo:rustc-cfg=freebsd11"),
None =>
/* not FreeBSD - nothing to do here */
{
()
}
}
@ -87,6 +94,7 @@ fn rustc_minor_version() -> Option<u32> {
otry!(pieces.next()).parse().ok()
}
#[cfg(target_os = "freebsd")]
fn which_freebsd() -> Option<i32> {
let output = std::process::Command::new("freebsd-version").output().ok();
if output.is_none() {