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build.rs
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#![deny(warnings)]
#![allow(clippy::match_like_matches_macro)]
use std::fs::File;
use std::io::{BufRead, BufReader, BufWriter, Write};
use std::path::{Path, PathBuf};
use std::{env, io};
fn src_hotfix_dir() -> PathBuf {
Path::new(&env::var_os("OUT_DIR").unwrap()).join("src-hotfix")
}
fn do_cc() {
let target = env::var("TARGET").unwrap();
if cfg!(unix) || target.contains("cygwin") {
let exclude = ["redox", "wasi", "wali"];
if !exclude.iter().any(|x| target.contains(x)) {
let mut cmsg = cc::Build::new();
cmsg.file("src/cmsg.c");
if target.contains("solaris") || target.contains("illumos") {
cmsg.define("_XOPEN_SOURCE", "700");
}
cmsg.compile("cmsg");
}
if (target.contains("linux") && !target.contains("wasm32"))
|| target.contains("android")
|| target.contains("emscripten")
|| target.contains("fuchsia")
|| target.contains("bsd")
|| target.contains("cygwin")
{
cc::Build::new().file("src/makedev.c").compile("makedev");
}
}
if target.contains("android") || (target.contains("linux") && !target.contains("wasm32")) {
cc::Build::new().file("src/errqueue.c").compile("errqueue");
}
if (target.contains("linux") && !target.contains("wasm32"))
|| target.contains("l4re")
|| target.contains("android")
|| target.contains("emscripten")
|| target.contains("solaris")
|| target.contains("illumos")
{
cc::Build::new().file("src/sigrt.c").compile("sigrt");
}
}
fn do_ctest() {
match &env::var("TARGET").unwrap() {
t if t.contains("android") => test_android(t),
t if t.contains("apple") => test_apple(t),
t if t.contains("dragonfly") => test_dragonflybsd(t),
t if t.contains("emscripten") => test_emscripten(t),
t if t.contains("freebsd") => test_freebsd(t),
t if t.contains("haiku") => test_haiku(t),
t if t.contains("linux") => test_linux(t),
t if t.contains("netbsd") => test_netbsd(t),
t if t.contains("openbsd") => test_openbsd(t),
t if t.contains("cygwin") => test_cygwin(t),
t if t.contains("redox") => test_redox(t),
t if t.contains("solaris") => test_solarish(t),
t if t.contains("illumos") => test_solarish(t),
t if t.contains("wasi") => test_wasi(t),
t if t.contains("windows") => test_windows(t),
t if t.contains("vxworks") => test_vxworks(t),
t if t.contains("nto-qnx") => test_neutrino(t),
t => panic!("unknown target {t}"),
}
}
fn ctest_cfg() -> ctest::TestGenerator {
ctest::TestGenerator::new()
}
fn do_semver() {
let mut out = PathBuf::from(env::var("OUT_DIR").unwrap());
out.push("semver.rs");
let mut output = BufWriter::new(File::create(&out).unwrap());
let family = env::var("CARGO_CFG_TARGET_FAMILY").unwrap();
let vendor = env::var("CARGO_CFG_TARGET_VENDOR").unwrap();
let os = env::var("CARGO_CFG_TARGET_OS").unwrap();
let arch = env::var("CARGO_CFG_TARGET_ARCH").unwrap();
let target_env = env::var("CARGO_CFG_TARGET_ENV").unwrap();
// `libc-test/semver` dir.
let mut semver_root = PathBuf::from("semver");
// NOTE: Windows has the same `family` as `os`, no point in including it
// twice.
// NOTE: Android doesn't include the unix file (or the Linux file) because
// there are some many definitions missing it's actually easier just to
// maintain a file for Android.
if family != os && os != "android" {
process_semver_file(&mut output, &mut semver_root, &family);
}
// We don't do semver for unknown targets.
if vendor != "unknown" {
process_semver_file(&mut output, &mut semver_root, &vendor);
}
process_semver_file(&mut output, &mut semver_root, &os);
let os_arch = format!("{os}-{arch}");
process_semver_file(&mut output, &mut semver_root, &os_arch);
if !target_env.is_empty() {
let os_env = format!("{os}-{target_env}");
process_semver_file(&mut output, &mut semver_root, &os_env);
let os_env_arch = format!("{os}-{target_env}-{arch}");
process_semver_file(&mut output, &mut semver_root, &os_env_arch);
}
}
fn process_semver_file<W: Write, P: AsRef<Path>>(output: &mut W, path: &mut PathBuf, file: P) {
// NOTE: `path` is reused between calls, so always remove the file again.
path.push(file);
path.set_extension("txt");
println!("cargo:rerun-if-changed={}", path.display());
let input_file = match File::open(&*path) {
Ok(file) => file,
Err(ref err) if err.kind() == io::ErrorKind::NotFound => {
path.pop();
return;
}
Err(err) => panic!("unexpected error opening file: {err}"),
};
let input = BufReader::new(input_file);
writeln!(output, "// Source: {}.", path.display()).unwrap();
output.write_all(b"use libc::{\n").unwrap();
for line in input.lines() {
let line = line.unwrap().into_bytes();
match line.first() {
// Ignore comments and empty lines.
Some(b'#') | None => continue,
_ => {
output.write_all(b" ").unwrap();
output.write_all(&line).unwrap();
output.write_all(b",\n").unwrap();
}
}
}
output.write_all(b"};\n\n").unwrap();
path.pop();
}
fn main() {
// Avoid unnecessary re-building.
println!("cargo:rerun-if-changed=build.rs");
let hotfix_dir = src_hotfix_dir();
if std::fs::exists(&hotfix_dir).unwrap() {
std::fs::remove_dir_all(&hotfix_dir).unwrap();
}
// FIXME(ctest): ctest cannot parse `crate::` in paths, so replace them with `::`
let re = regex::bytes::Regex::new(r"(?-u:\b)crate::").unwrap();
copy_dir_hotfix(Path::new("../src"), &hotfix_dir, &re, b"::");
do_cc();
do_ctest();
do_semver();
}
// FIXME(clippy): removing `replace` somehow fails the `Test tier1 (x86_64-pc-windows-msvc, windows-2022)` CI job
#[allow(clippy::only_used_in_recursion)]
fn copy_dir_hotfix(src: &Path, dst: &Path, regex: ®ex::bytes::Regex, replace: &[u8]) {
std::fs::create_dir(dst).unwrap();
for entry in src.read_dir().unwrap() {
let entry = entry.unwrap();
let src_path = entry.path();
let dst_path = dst.join(entry.file_name());
if entry.file_type().unwrap().is_dir() {
copy_dir_hotfix(&src_path, &dst_path, regex, replace);
} else {
// Replace "crate::" with "::"
let src_data = std::fs::read(&src_path).unwrap();
let dst_data = regex.replace_all(&src_data, b"::");
std::fs::write(&dst_path, &dst_data).unwrap();
}
}
}
macro_rules! headers {
($cfg:ident: [$m:expr]: $header:literal) => {
if $m {
$cfg.header($header);
}
};
($cfg:ident: $header:literal) => {
$cfg.header($header);
};
($($cfg:ident: $([$c:expr]:)* $header:literal,)*) => {
$(headers!($cfg: $([$c]:)* $header);)*
};
($cfg:ident: $( $([$c:expr]:)* $header:literal,)*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
($cfg:ident: $( $([$c:expr]:)* $header:literal),*) => {
headers!($($cfg: $([$c]:)* $header,)*);
};
}
fn test_apple(target: &str) {
assert!(target.contains("apple"));
let x86_64 = target.contains("x86_64");
let i686 = target.contains("i686");
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("__APPLE_USE_RFC_3542", None);
headers! { cfg:
"aio.h",
"CommonCrypto/CommonCrypto.h",
"CommonCrypto/CommonRandom.h",
"copyfile.h",
"crt_externs.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"fnmatch.h",
"getopt.h",
"glob.h",
"grp.h",
"iconv.h",
"ifaddrs.h",
"langinfo.h",
"libgen.h",
"libproc.h",
"limits.h",
"locale.h",
"malloc/malloc.h",
"net/bpf.h",
"net/dlil.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/if_mib.h",
"net/if_utun.h",
"net/if_var.h",
"net/ndrv.h",
"net/route.h",
"netdb.h",
"netinet/if_ether.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"netinet6/in6_var.h",
"os/clock.h",
"os/lock.h",
"os/signpost.h",
// FIXME(macos): Requires the macOS 14.4 SDK.
//"os/os_sync_wait_on_address.h",
"poll.h",
"pthread.h",
"pthread_spis.h",
"pthread/introspection.h",
"pthread/spawn.h",
"pthread/stack_np.h",
"pwd.h",
"regex.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.h",
"sysdir.h",
"sys/appleapiopts.h",
"sys/attr.h",
"sys/clonefile.h",
"sys/event.h",
"sys/file.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/kern_control.h",
"sys/mman.h",
"sys/mount.h",
"sys/proc_info.h",
"sys/ptrace.h",
"sys/quota.h",
"sys/random.h",
"sys/resource.h",
"sys/sem.h",
"sys/shm.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/sys_domain.h",
"sys/sysctl.h",
"sys/time.h",
"sys/times.h",
"sys/timex.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/vsock.h",
"sys/wait.h",
"sys/xattr.h",
"syslog.h",
"termios.h",
"time.h",
"unistd.h",
"util.h",
"utime.h",
"utmpx.h",
"wchar.h",
"xlocale.h",
[x86_64]: "crt_externs.h",
}
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// FIXME(union): actually a union
"sigval" => true,
// FIXME(macos): The size is changed in recent macOSes.
"malloc_zone_t" => true,
// it is a moving target, changing through versions
// also contains bitfields members
"tcp_connection_info" => true,
// FIXME(macos): The size is changed in recent macOSes.
"malloc_introspection_t" => true,
// sonoma changes the padding `rmx_filler` field.
"rt_metrics" => true,
_ => false,
}
});
cfg.skip_type(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// FIXME(macos): Requires the macOS 14.4 SDK.
"os_sync_wake_by_address_flags_t" | "os_sync_wait_on_address_flags_t" => true,
// FIXME(macos): "'__uint128' undeclared" in C
"__uint128" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// These OSX constants are removed in Sierra.
// https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html
"KERN_KDENABLE_BG_TRACE" | "KERN_KDDISABLE_BG_TRACE" => true,
// FIXME(macos): the value has been changed since Catalina (0xffff0000 -> 0x3fff0000).
"SF_SETTABLE" => true,
// FIXME(macos): XCode 13.1 doesn't have it.
"TIOCREMOTE" => true,
// FIXME(macos): Requires the macOS 14.4 SDK.
"OS_SYNC_WAKE_BY_ADDRESS_NONE"
| "OS_SYNC_WAKE_BY_ADDRESS_SHARED"
| "OS_SYNC_WAIT_ON_ADDRESS_NONE"
| "OS_SYNC_WAIT_ON_ADDRESS_SHARED" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// close calls the close_nocancel system call
"close" => true,
// FIXME(1.0): std removed libresolv support: https://github.com/rust-lang/rust/pull/102766
"res_init" => true,
// FIXME(macos): remove once the target in CI is updated
"pthread_jit_write_freeze_callbacks_np" => true,
// FIXME(macos): ABI has been changed on recent macOSes.
"os_unfair_lock_assert_owner" | "os_unfair_lock_assert_not_owner" => true,
// FIXME(macos): Once the SDK get updated to Ventura's level
"freadlink" | "mknodat" | "mkfifoat" => true,
// FIXME(macos): Requires the macOS 14.4 SDK.
"os_sync_wake_by_address_any"
| "os_sync_wake_by_address_all"
| "os_sync_wake_by_address_flags_t"
| "os_sync_wait_on_address"
| "os_sync_wait_on_address_flags_t"
| "os_sync_wait_on_address_with_deadline"
| "os_sync_wait_on_address_with_timeout" => true,
_ => false,
}
});
cfg.skip_field(move |struct_, field| {
match (struct_, field) {
// FIXME(macos): the array size has been changed since macOS 10.15 ([8] -> [7]).
("statfs", "f_reserved") => true,
("__darwin_arm_neon_state64", "__v") => true,
("ifreq", "ifr_ifru") => true,
("in6_ifreq", "ifr_ifru") => true,
("ifkpi", "ifk_data") => true,
("ifconf", "ifc_ifcu") => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
match (struct_, field) {
// FIXME(union): actually a union
("sigevent", "sigev_value") => true,
_ => false,
}
});
cfg.volatile_item(|i| {
use ctest::VolatileItemKind::*;
match i {
StructField(ref n, ref f) if n == "aiocb" && f == "aio_buf" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {t}"),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {t}"),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| {
match field {
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", "espec.tv_nsec")
}
// FIXME(macos): sigaction actually contains a union with two variants:
// a sa_sigaction with type: (*)(int, struct __siginfo *, void *)
// a sa_handler with type sig_t
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
}
});
cfg.skip_roundtrip(move |s| match s {
// FIXME(macos): this type has the wrong ABI
"max_align_t" if i686 => true,
// Can't return an array from a C function.
"uuid_t" | "vol_capabilities_set_t" => true,
_ => false,
});
cfg.generate(src_hotfix_dir().join("lib.rs"), "main.rs");
}
fn test_openbsd(target: &str) {
assert!(target.contains("openbsd"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
let x86_64 = target.contains("x86_64");
headers! { cfg:
"elf.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"fnmatch.h",
"getopt.h",
"libgen.h",
"limits.h",
"link.h",
"locale.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"time.h",
"wchar.h",
"ctype.h",
"dirent.h",
"sys/socket.h",
[x86_64]:"machine/fpu.h",
"net/if.h",
"net/route.h",
"net/if_arp.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"net/bpf.h",
"regex.h",
"resolv.h",
"pthread.h",
"dlfcn.h",
"search.h",
"spawn.h",
"signal.h",
"string.h",
"sys/file.h",
"sys/futex.h",
"sys/ioctl.h",
"sys/ipc.h",
"sys/mman.h",
"sys/param.h",
"sys/resource.h",
"sys/shm.h",
"sys/socket.h",
"sys/time.h",
"sys/uio.h",
"sys/ktrace.h",
"sys/un.h",
"sys/wait.h",
"unistd.h",
"utime.h",
"pwd.h",
"grp.h",
"sys/utsname.h",
"sys/ptrace.h",
"sys/mount.h",
"sys/uio.h",
"sched.h",
"termios.h",
"poll.h",
"syslog.h",
"semaphore.h",
"sys/statvfs.h",
"sys/times.h",
"glob.h",
"ifaddrs.h",
"langinfo.h",
"sys/sysctl.h",
"utmp.h",
"sys/event.h",
"net/if_dl.h",
"util.h",
"ufs/ufs/quota.h",
"pthread_np.h",
"sys/reboot.h",
"sys/syscall.h",
"sys/shm.h",
"sys/param.h",
}
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// FIXME(union): actually a union
"sigval" => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// Removed in OpenBSD 7.7 (unused since 1991)
"ATF_COM" | "ATF_PERM" | "ATF_PUBL" | "ATF_USETRAILERS" => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
match name {
// futex() has volatile arguments, but that doesn't exist in Rust.
"futex" => true,
_ => false,
}
});
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" | "Elf32_Phdr" | "Elf64_Phdr" => ty.to_string(),
// OSX calls this something else
"sighandler_t" => "sig_t".to_string(),
t if is_union => format!("union {t}"),
t if t.ends_with("_t") => t.to_string(),
t if is_struct => format!("struct {t}"),
t => t.to_string(),
}
});
cfg.field_name(move |struct_, field| match field {
"st_birthtime" if struct_.starts_with("stat") => "__st_birthtime".to_string(),
"st_birthtime_nsec" if struct_.starts_with("stat") => "__st_birthtimensec".to_string(),
s if s.ends_with("_nsec") && struct_.starts_with("stat") => s.replace("e_nsec", ".tv_nsec"),
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
});
cfg.skip_field_type(move |struct_, field| {
// type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1
struct_ == "siginfo_t" && field == "si_addr"
});
cfg.skip_field(|struct_, field| {
match (struct_, field) {
// conflicting with `p_type` macro from <resolve.h>.
("Elf32_Phdr", "p_type") => true,
("Elf64_Phdr", "p_type") => true,
// ifr_ifru is defined is an union
("ifreq", "ifr_ifru") => true,
_ => false,
}
});
cfg.generate(src_hotfix_dir().join("lib.rs"), "main.rs");
}
fn test_cygwin(target: &str) {
assert!(target.contains("cygwin"));
let mut cfg = ctest_cfg();
cfg.define("_GNU_SOURCE", None);
headers! { cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"fnmatch.h",
"grp.h",
"iconv.h",
"langinfo.h",
"limits.h",
"locale.h",
"net/if.h",
"netdb.h",
"netinet/tcp.h",
"poll.h",
"pthread.h",
"pty.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdlib.h",
"string.h",
"sys/cpuset.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/mount.h",
"sys/param.h",
"sys/quota.h",
"sys/random.h",
"sys/resource.h",
"sys/select.h",
"sys/socket.h",
"sys/statvfs.h",
"sys/times.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/vfs.h",
"syslog.h",
"termios.h",
"unistd.h",
"utime.h",
"wait.h",
"wchar.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" | "fd_set" => ty.to_string(),
"Ioctl" => "int".to_string(),
t if is_union => format!("union {t}"),
t if t.ends_with("_t") => t.to_string(),
// sigval is a struct in Rust, but a union in C:
"sigval" => "union sigval".to_string(),
// put `struct` in front of all structs:.
t if is_struct => format!("struct {t}"),
t => t.to_string(),
}
});
cfg.skip_const(move |name| {
match name {
// FIXME(cygwin): these constants do not exist on Cygwin
"ARPOP_REQUEST" | "ARPOP_REPLY" | "ATF_COM" | "ATF_PERM" | "ATF_PUBL"
| "ATF_USETRAILERS" => true,
// not defined on Cygwin, but [get|set]priority is, so they are
// useful
"PRIO_MIN" | "PRIO_MAX" => true,
// The following does not exist on Cygwin but is required by
// several crates
"FIOCLEX" | "SA_NOCLDWAIT" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| match c {
n if n.starts_with("pthread") => true,
// For consistency with other platforms. Actually a function ptr.
"sighandler_t" => true,
_ => false,
});
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
false
});
cfg.field_name(move |struct_, field| {
match field {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_.starts_with("stat") => {
s.replace("e_nsec", ".tv_nsec")
}
// FIXME(cygwin): sigaction actually contains a union with two variants:
// a sa_sigaction with type: (*)(int, struct __siginfo *, void *)
// a sa_handler with type sig_t
"sa_sigaction" if struct_ == "sigaction" => "sa_handler".to_string(),
s => s.to_string(),
}
});
cfg.skip_field(|struct_, field| {
match (struct_, field) {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
("ifreq", "ifr_ifru") => true,
("ifconf", "ifc_ifcu") => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// There are two versions of the sterror_r function, see
//
// https://linux.die.net/man/3/strerror_r
//
// An XSI-compliant version provided if:
//
// (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && ! _GNU_SOURCE
//
// and a GNU specific version provided if _GNU_SOURCE is defined.
//
// libc provides bindings for the XSI-compliant version, which is
// preferred for portable applications.
//
// We skip the test here since here _GNU_SOURCE is defined, and
// test the XSI version below.
"strerror_r" => true,
// FIXME(cygwin): does not exist on Cygwin
"mlockall" | "munlockall" => true,
_ => false,
}
});
cfg.generate(src_hotfix_dir().join("lib.rs"), "main.rs");
}
fn test_windows(target: &str) {
assert!(target.contains("windows"));
let gnu = target.contains("gnu");
let i686 = target.contains("i686");
let mut cfg = ctest_cfg();
if target.contains("msvc") {
cfg.flag("/wd4324");
}
cfg.define("_WIN32_WINNT", Some("0x8000"));
headers! { cfg:
"direct.h",
"errno.h",
"fcntl.h",
"io.h",
"limits.h",
"locale.h",
"process.h",
"signal.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"sys/stat.h",
"sys/types.h",
"sys/utime.h",
"time.h",
"wchar.h",
[gnu]: "ws2tcpip.h",
[!gnu]: "Winsock2.h",
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "DIR" | "Dl_info" => ty.to_string(),
// FIXME(windows): these don't exist:
"time64_t" => "__time64_t".to_string(),
"ssize_t" => "SSIZE_T".to_string(),
"sighandler_t" if !gnu => "_crt_signal_t".to_string(),
"sighandler_t" if gnu => "__p_sig_fn_t".to_string(),
t if is_union => format!("union {t}"),
t if t.ends_with("_t") => t.to_string(),
// Windows uppercase structs don't have `struct` in front:
t if is_struct => {
if ty.chars().next().unwrap().is_uppercase() {
t.to_string()
} else if t == "stat" {
"struct __stat64".to_string()
} else if t == "utimbuf" {
"struct __utimbuf64".to_string()
} else {
// put `struct` in front of all structs:
format!("struct {t}")
}
}
t => t.to_string(),
}
});
cfg.fn_cname(move |name, cname| cname.unwrap_or(name).to_string());
cfg.skip_type(move |name| match name {
"SSIZE_T" if !gnu => true,
"ssize_t" if !gnu => true,
// FIXME(windows): The size and alignment of this type are incorrect
"time_t" if gnu && i686 => true,
_ => false,
});
cfg.skip_struct(move |ty| {
if ty.starts_with("__c_anonymous_") {
return true;
}
match ty {
// FIXME(windows): The size and alignment of this struct are incorrect
"timespec" if gnu && i686 => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// FIXME(windows): API error:
// SIG_ERR type is "void (*)(int)", not "int"
"SIG_ERR" |
// Similar for SIG_DFL/IGN/GET/SGE/ACK
"SIG_DFL" | "SIG_IGN" | "SIG_GET" | "SIG_SGE" | "SIG_ACK" => true,
// FIXME(windows): newer windows-gnu environment on CI?
"_O_OBTAIN_DIR" if gnu => true,
_ => false,
}
});
cfg.skip_field(move |s, field| match s {
"CONTEXT" if field == "Fp" => true,
_ => false,
});
// FIXME(windows): All functions point to the wrong addresses?
cfg.skip_fn_ptrcheck(|_| true);
cfg.skip_signededness(move |c| {
match c {
// windows-isms
n if n.starts_with("P") => true,
n if n.starts_with("H") => true,
n if n.starts_with("LP") => true,
"sighandler_t" if gnu => true,
_ => false,
}
});
cfg.skip_fn(|_| false);
cfg.generate(src_hotfix_dir().join("lib.rs"), "main.rs");
}
fn test_redox(target: &str) {
assert!(target.contains("redox"));
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");
headers! {
cfg:
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"fcntl.h",
"fnmatch.h",
"grp.h",
"limits.h",
"locale.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"poll.h",
"pwd.h",
"semaphore.h",
"string.h",
"strings.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/ptrace.h",
"sys/resource.h",
"sys/socket.h",
"sys/stat.h",
"sys/statvfs.h",
"sys/time.h",
"sys/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.h",
"sys/wait.h",
"termios.h",
"time.h",
"unistd.h",
"utime.h",
"wchar.h",
}
cfg.generate(src_hotfix_dir().join("lib.rs"), "main.rs");
}
fn test_solarish(target: &str) {
let is_solaris = target.contains("solaris");
let is_illumos = target.contains("illumos");
assert!(is_solaris || is_illumos);
// ctest generates arguments supported only by clang, so make sure to run with CC=clang.
// While debugging, "CFLAGS=-ferror-limit=<large num>" is useful to get more error output.
let mut cfg = ctest_cfg();
cfg.flag("-Wno-deprecated-declarations");