1 files changed, 0 insertions, 101 deletions
diff --git a/libc/build.rs b/libc/build.rs
deleted file mode 100644
index 8452940..0000000
--- a/libc/build.rs
+++ /dev/null
@@ -1,101 +0,0 @@
-use std::env;
-use std::process::Command;
-use std::str;
-
-fn main() {
-    let rustc_minor_ver =
-        rustc_minor_version().expect("Failed to get rustc version");
-    let rustc_dep_of_std =
-        std::env::var("CARGO_FEATURE_RUSTC_DEP_OF_STD").is_ok();
-    let align_cargo_feature = std::env::var("CARGO_FEATURE_ALIGN").is_ok();
-
-    if std::env::var("CARGO_FEATURE_USE_STD").is_ok() {
-        println!(
-            "cargo:warning=\"libc's use_std cargo feature is deprecated since libc 0.2.55; \
-             please consider using the `std` cargo feature instead\""
-        );
-    }
-
-    if std::env::var("LIBC_CI").is_ok() {
-        if let Some(12) = which_freebsd() {
-            println!("cargo:rustc-cfg=freebsd12");
-        }
-    }
-
-    // Rust >= 1.15 supports private module use:
-    if rustc_minor_ver >= 15 || rustc_dep_of_std {
-        println!("cargo:rustc-cfg=libc_priv_mod_use");
-    }
-
-    // Rust >= 1.19 supports unions:
-    if rustc_minor_ver >= 19 || rustc_dep_of_std {
-        println!("cargo:rustc-cfg=libc_union");
-    }
-
-    // Rust >= 1.24 supports const mem::size_of:
-    if rustc_minor_ver >= 24 || rustc_dep_of_std {
-        println!("cargo:rustc-cfg=libc_const_size_of");
-    }
-
-    // Rust >= 1.25 supports repr(align):
-    if rustc_minor_ver >= 25 || rustc_dep_of_std || align_cargo_feature {
-        println!("cargo:rustc-cfg=libc_align");
-    }
-
-    // Rust >= 1.30 supports `core::ffi::c_void`, so libc can just re-export it.
-    // Otherwise, it defines an incompatible type to retaining
-    // backwards-compatibility.
-    if rustc_minor_ver >= 30 || rustc_dep_of_std {
-        println!("cargo:rustc-cfg=libc_core_cvoid");
-    }
-
-    // Rust >= 1.33 supports repr(packed(N))
-    if rustc_minor_ver >= 33 || rustc_dep_of_std {
-        println!("cargo:rustc-cfg=libc_packedN");
-    }
-}
-
-fn rustc_minor_version() -> Option<u32> {
-    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()
-}
-
-fn which_freebsd() -> Option<i32> {
-    let output = std::process::Command::new("freebsd-version").output().ok();
-    if output.is_none() {
-        return None;
-    }
-    let output = output.unwrap();
-    if !output.status.success() {
-        return None;
-    }
-
-    let stdout = String::from_utf8(output.stdout).ok();
-    if stdout.is_none() {
-        return None;
-    }
-    let stdout = stdout.unwrap();
-
-    match &stdout {
-        s if s.starts_with("11") => Some(11),
-        s if s.starts_with("12") => Some(12),
-        _ => None,
-    }
-}