diff options
Diffstat (limited to 'build.rs')
| -rw-r--r-- | build.rs | 26 |
1 files changed, 17 insertions, 9 deletions
@@ -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() { |