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fn main() {
#[cfg(any(feature = "bindgen",not(any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64", target_arch = "powerpc64"))))]
build();
println!("cargo:rustc-check-cfg=cfg(io_uring_skip_arch_check)");
println!("cargo:rustc-check-cfg=cfg(io_uring_use_own_sys)");
}
#[cfg(any(feature = "bindgen",not(any(target_arch = "x86_64", target_arch = "aarch64", target_arch = "riscv64", target_arch = "loongarch64", target_arch = "powerpc64"))))]
fn build() {
use std::env;
use std::path::PathBuf;
const INCLUDE: &str = r#"
#include <unistd.h>
#include <sys/syscall.h>
#include <linux/time_types.h>
#include <linux/stat.h>
#include <linux/openat2.h>
#include <linux/io_uring.h>
#include <linux/futex.h>
"#;
let mut builder = bindgen::Builder::default();
if let Some(path) = env::var("BUILD_IO_URING_INCLUDE_FILE")
.ok()
.filter(|path| !path.is_empty())
{
builder = builder.header(path);
} else {
builder = builder.header_contents("include-file.h", INCLUDE);
}
#[cfg(feature = "overwrite")]
fn output_file() -> PathBuf {
let outdir = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap()).join("src/sys");
let target_arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
outdir.join(format!("sys_{}.rs", target_arch))
}
#[cfg(not(feature = "overwrite"))]
fn output_file() -> PathBuf {
let outdir = PathBuf::from(env::var("OUT_DIR").unwrap());
outdir.join("sys.rs")
}
builder
.ctypes_prefix("libc")
.prepend_enum_name(false)
.derive_default(true)
.generate_comments(true)
.use_core()
.allowlist_type("io_uring_.*|io_.qring_.*|__kernel_timespec|open_how|futex_waitv")
.allowlist_var("__NR_io_uring.*|IOSQE_.*|IORING_.*|IO_URING_.*|SPLICE_F_FD_IN_FIXED")
.generate()
.unwrap()
.write_to_file(output_file())
.unwrap();
}
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