#![deny(warnings)]
extern crate ctest;
use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
let aarch64 = target.contains("aarch64");
let i686 = target.contains("i686");
let x86_64 = target.contains("x86_64");
let windows = target.contains("windows");
let mingw = target.contains("windows-gnu");
let linux = target.contains("unknown-linux");
let android = target.contains("android");
let apple = target.contains("apple");
let emscripten = target.contains("asm");
let musl = target.contains("musl") || emscripten;
let uclibc = target.contains("uclibc");
let freebsd = target.contains("freebsd");
let dragonfly = target.contains("dragonfly");
let mips = target.contains("mips");
let netbsd = target.contains("netbsd");
let openbsd = target.contains("openbsd");
let rumprun = target.contains("rumprun");
let bsdlike = freebsd || apple || netbsd || openbsd || dragonfly;
let mut cfg = ctest::TestGenerator::new();
// Pull in extra goodies
if linux || android || emscripten {
cfg.define("_GNU_SOURCE", None);
} else if netbsd {
cfg.define("_NETBSD_SOURCE", Some("1"));
} else if windows {
cfg.define("_WIN32_WINNT", Some("0x8000"));
}
// Android doesn't actually have in_port_t but it's much easier if we
// provide one for us to test against
if android {
cfg.define("in_port_t", Some("uint16_t"));
}
cfg.header("errno.h")
.header("fcntl.h")
.header("limits.h")
.header("locale.h")
.header("stddef.h")
.header("stdint.h")
.header("stdio.h")
.header("stdlib.h")
.header("sys/stat.h")
.header("sys/types.h")
.header("time.h")
.header("wchar.h");
if windows {
cfg.header("winsock2.h"); // must be before windows.h
cfg.header("direct.h");
cfg.header("io.h");
cfg.header("sys/utime.h");
cfg.header("windows.h");
cfg.header("process.h");
cfg.header("ws2ipdef.h");
if target.contains("gnu") {
cfg.header("ws2tcpip.h");
}
} else {
cfg.flag("-Wno-deprecated-declarations");
cfg.header("ctype.h");
cfg.header("dirent.h");
if openbsd {
cfg.header("sys/socket.h");
}
cfg.header("net/if.h");
cfg.header("netdb.h");
cfg.header("netinet/in.h");
cfg.header("netinet/ip.h");
cfg.header("netinet/tcp.h");
cfg.header("netinet/udp.h");
cfg.header("resolv.h");
cfg.header("pthread.h");
cfg.header("dlfcn.h");
cfg.header("signal.h");
cfg.header("string.h");
cfg.header("sys/file.h");
cfg.header("sys/ioctl.h");
cfg.header("sys/mman.h");
cfg.header("sys/resource.h");
cfg.header("sys/socket.h");
if linux && !musl {
cfg.header("linux/if.h");
}
cfg.header("sys/time.h");
cfg.header("sys/un.h");
cfg.header("sys/wait.h");
cfg.header("unistd.h");
cfg.header("utime.h");
cfg.header("pwd.h");
cfg.header("grp.h");
cfg.header("sys/utsname.h");
cfg.header("sys/ptrace.h");
cfg.header("sys/mount.h");
cfg.header("sys/uio.h");
cfg.header("sched.h");
cfg.header("termios.h");
cfg.header("poll.h");
cfg.header("syslog.h");
cfg.header("semaphore.h");
cfg.header("sys/statvfs.h");
cfg.header("sys/times.h");
}
if android {
if !aarch64 && !x86_64 {
// time64_t is not define for aarch64 and x86_64
// If included it will generate the error 'Your time_t is already 64-bit'
cfg.header("time64.h");
}
cfg.header("arpa/inet.h");
cfg.header("xlocale.h");
cfg.header("utmp.h");
if i686 || x86_64 {
cfg.header("sys/reg.h");
}
} else if !windows {
cfg.header("glob.h");
cfg.header("ifaddrs.h");
cfg.header("langinfo.h");
if !openbsd && !freebsd && !dragonfly {
cfg.header("sys/quota.h");
}
if !musl {
cfg.header("sys/sysctl.h");
}
if !musl && !uclibc {
if !netbsd && !openbsd && !uclibc {
cfg.header("execinfo.h");
cfg.header("xlocale.h");
}
if openbsd {
cfg.header("utmp.h");
} else {
cfg.header("utmpx.h");
}
}
}
if apple {
cfg.header("mach-o/dyld.h");
cfg.header("mach/mach_time.h");
cfg.header("malloc/malloc.h");
cfg.header("util.h");
cfg.header("sys/xattr.h");
cfg.header("sys/sys_domain.h");
if target.starts_with("x86") {
cfg.header("crt_externs.h");
}
cfg.header("net/route.h");
cfg.header("net/route.h");
cfg.header("sys/proc_info.h");
}
if bsdlike {
cfg.header("sys/event.h");
if freebsd {
cfg.header("libutil.h");
} else {
cfg.header("util.h");
}
}
if linux || emscripten {
cfg.header("mqueue.h");
cfg.header("ucontext.h");
if !uclibc {
// optionally included in uclibc
cfg.header("sys/xattr.h");
}
cfg.header("sys/ipc.h");
cfg.header("sys/sem.h");
cfg.header("sys/msg.h");
cfg.header("sys/shm.h");
cfg.header("sys/user.h");
cfg.header("sys/fsuid.h");
cfg.header("shadow.h");
if !emscripten {
cfg.header("linux/input.h");
cfg.header("linux/falloc.h");
}
if x86_64 {
cfg.header("sys/io.h");
}
if i686 || x86_64 {
cfg.header("sys/reg.h");
}
}
if linux || android || emscripten {
cfg.header("malloc.h");
cfg.header("net/ethernet.h");
cfg.header("netpacket/packet.h");
cfg.header("sched.h");
cfg.header("sys/epoll.h");
cfg.header("sys/eventfd.h");
cfg.header("sys/prctl.h");
cfg.header("sys/sendfile.h");
cfg.header("sys/signalfd.h");
cfg.header("sys/vfs.h");
cfg.header("sys/syscall.h");
cfg.header("sys/personality.h");
cfg.header("sys/swap.h");
cfg.header("pty.h");
if !uclibc {
cfg.header("sys/sysinfo.h");
}
cfg.header("sys/reboot.h");
if !emscripten {
cfg.header("linux/netfilter_ipv4.h");
}
if !musl {
cfg.header("asm/mman.h");
cfg.header("linux/netlink.h");
cfg.header("linux/magic.h");
cfg.header("linux/reboot.h");
if !mips {
cfg.header("linux/quota.h");
}
}
}
if freebsd {
cfg.header("pthread_np.h");
cfg.header("sched.h");
cfg.header("ufs/ufs/quota.h");
cfg.header("sys/jail.h");
cfg.header("sys/ipc.h");
cfg.header("sys/msg.h");
cfg.header("sys/shm.h");
}
if netbsd {
cfg.header("ufs/ufs/quota.h");
cfg.header("ufs/ufs/quota1.h");
cfg.header("sys/ioctl_compat.h");
}
if openbsd {
cfg.header("ufs/ufs/quota.h");
cfg.header("pthread_np.h");
cfg.header("sys/syscall.h");
}
if dragonfly {
cfg.header("ufs/ufs/quota.h");
cfg.header("pthread_np.h");
cfg.header("sys/ioctl_compat.h");
}
if linux || freebsd || dragonfly || netbsd || apple || emscripten {
if !uclibc {
cfg.header("aio.h");
}
}
cfg.type_name(move |ty, is_struct| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" |
"fd_set" |
"Dl_info" |
"DIR" => ty.to_string(),
// Fixup a few types on windows that don't actually exist.
"time64_t" if windows => "__time64_t".to_string(),
"ssize_t" if windows => "SSIZE_T".to_string(),
// OSX calls this something else
"sighandler_t" if bsdlike => "sig_t".to_string(),
t if t.ends_with("_t") => t.to_string(),
// Windows uppercase structs don't have `struct` in front, there's a
// few special cases for windows, and then otherwise put `struct` in
// front of everything.
t if is_struct => {
if windows && ty.chars().next().unwrap().is_uppercase() {
t.to_string()
} else if windows && t == "stat" {
"struct __stat64".to_string()
} else if windows && t == "utimbuf" {
"struct __utimbuf64".to_string()
} else {
format!("struct {}", t)
}
}
t => t.to_string(),
}
});
let target2 = target.clone();
cfg.field_name(move |struct_, field| {
match field {
"st_birthtime" if openbsd && struct_ == "stat" => "__st_birthtime".to_string(),
"st_birthtime_nsec" if openbsd && struct_ == "stat" => "__st_birthtimensec".to_string(),
// 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") => {
if target2.contains("apple") {
s.replace("_nsec", "spec.tv_nsec")
} else if target2.contains("android") {
s.to_string()
} else {
s.replace("e_nsec", ".tv_nsec")
}
}
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
"type_" if linux &&
(struct_ == "input_event" || struct_ == "input_mask" ||
struct_ == "ff_effect") => "type".to_string(),
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// sighandler_t is crazy across platforms
"sighandler_t" => true,
_ => false
}
});
cfg.skip_struct(move |ty| {
match ty {
"sockaddr_nl" => musl,
// On Linux, the type of `ut_tv` field of `struct utmpx`
// can be an anonymous struct, so an extra struct,
// which is absent in glibc, has to be defined.
"__timeval" if linux => true,
// The alignment of this is 4 on 64-bit OSX...
"kevent" if apple && x86_64 => true,
// This is actually a union, not a struct
"sigval" => true,
// Linux kernel headers used on musl are too old to have this
// definition. Because it's tested on other Linux targets, skip it.
"input_mask" if musl => true,
// These structs have changed since unified headers in NDK r14b.
// `st_atime` and `st_atime_nsec` have changed sign.
// FIXME: unskip it for next major release
"stat" | "stat64" if android => true,
_ => false
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" |
"mach_timebase_info_data_t" |
"float" |
"double" => true,
// uuid_t is a struct, not an integer.
"uuid_t" if dragonfly => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" if openbsd || freebsd || dragonfly || rumprun => true,
// windows-isms
n if n.starts_with("P") => true,
n if n.starts_with("H") => true,
n if n.starts_with("LP") => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
// Apparently these don't exist in mingw headers?
"MEM_RESET_UNDO" |
"FILE_ATTRIBUTE_NO_SCRUB_DATA" |
"FILE_ATTRIBUTE_INTEGRITY_STREAM" |
"ERROR_NOTHING_TO_TERMINATE" if mingw => true,
"SIG_IGN" => true, // sighandler_t weirdness
// types on musl are defined a little differently
n if musl && n.contains("__SIZEOF_PTHREAD") => true,
// Skip constants not defined in MUSL but just passed down to the
// kernel regardless
"RLIMIT_NLIMITS" |
"TCP_COOKIE_TRANSACTIONS" |
"RLIMIT_RTTIME" |
"MSG_COPY" if musl => true,
// work around super old mips toolchain
"SCHED_IDLE" | "SHM_NORESERVE" => mips,
// weird signed extension or something like that?
"MS_NOUSER" => true,
"MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13
// These OSX constants are flagged as deprecated
"NOTE_EXIT_REPARENTED" |
"NOTE_REAP" if apple => true,
// These constants were removed in FreeBSD 11 (svn r273250) but will
// still be accepted and ignored at runtime.
"MAP_RENAME" |
"MAP_NORESERVE" if freebsd => true,
// These constants were removed in FreeBSD 11 (svn r262489),
// and they've never had any legitimate use outside of the
// base system anyway.
"CTL_MAXID" |
"KERN_MAXID" |
"HW_MAXID" |
"USER_MAXID" if freebsd => true,
// These OSX constants are removed in Sierra.
// https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html
"KERN_KDENABLE_BG_TRACE" if apple => true,
"KERN_KDDISABLE_BG_TRACE" if apple => true,
// These constants were removed in OpenBSD 6 (https://git.io/v7gBO
// https://git.io/v7gBq)
"KERN_USERMOUNT" |
"KERN_ARND" if openbsd => true,
// These constats were added in OpenBSD 6.2
"EV_RECEIPT" | "EV_DISPATCH" if openbsd => true,
// These are either unimplemented or optionally built into uClibc
"LC_CTYPE_MASK" | "LC_NUMERIC_MASK" | "LC_TIME_MASK" | "LC_COLLATE_MASK" | "LC_MONETARY_MASK" | "LC_MESSAGES_MASK" |
"MADV_MERGEABLE" | "MADV_UNMERGEABLE" | "MADV_HWPOISON" | "IPV6_ADD_MEMBERSHIP" | "IPV6_DROP_MEMBERSHIP" | "IPV6_MULTICAST_LOOP" | "IPV6_V6ONLY" |
"MAP_STACK" | "RTLD_DEEPBIND" | "SOL_IPV6" | "SOL_ICMPV6" if uclibc => true,
// Musl uses old, patched kernel headers
"FALLOC_FL_COLLAPSE_RANGE" | "FALLOC_FL_ZERO_RANGE" |
"FALLOC_FL_INSERT_RANGE" | "FALLOC_FL_UNSHARE_RANGE" if musl => true,
// Defined by libattr not libc on linux (hard to test).
// See constant definition for more details.
"ENOATTR" if linux => true,
// On mips*-unknown-linux-gnu* CMSPAR cannot be included with the set of headers we
// want to use here for testing. It's originally defined in asm/termbits.h, which is
// also included by asm/termios.h, but not the standard termios.h. There's no way to
// include both asm/termbits.h and termios.h and there's no way to include both
// asm/termios.h and ioctl.h (+ some other headers) because of redeclared types.
"CMSPAR" if mips && linux && !musl => true,
// On mips Linux targets, MADV_SOFT_OFFLINE is currently missing, though it's been added but CI has too old
// of a Linux version. Since it exists on all other Linux targets, just ignore this for now and remove once
// it's been fixed in CI.
"MADV_SOFT_OFFLINE" if mips && linux => true,
// These constants are tested in a separate test program generated below because there
// are header conflicts if we try to include the headers that define them here.
"F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" => true,
"F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" | "F_SEAL_WRITE" => true,
"QFMT_VFS_OLD" | "QFMT_VFS_V0" | "QFMT_VFS_V1" if mips && linux => true, // Only on MIPS
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
"execv" | // crazy stuff with const/mut
"execve" |
"execvp" |
"execvpe" |
"fexecve" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"prlimit" | "prlimit64" | // non-int in 2nd arg
"strerror_r" if linux => true, // actually xpg-something-or-other
// int vs uint. Sorry musl, your prototype declarations are "correct" in the sense that
// they match the interface defined by Linux verbatim, but they conflict with other
// send*/recv* syscalls
"sendmmsg" | "recvmmsg" if musl => true,
// typed 2nd arg on linux and android
"gettimeofday" if linux || android || freebsd || openbsd || dragonfly => true,
// not declared in newer android toolchains
"getdtablesize" if android => true,
"dlerror" if android => true, // const-ness is added
"dladdr" if musl => true, // const-ness only added recently
// OSX has 'struct tm *const' which we can't actually represent in
// Rust, but is close enough to *mut
"timegm" if apple => true,
// OSX's daemon is deprecated in 10.5 so we'll get a warning (which
// we turn into an error) so just ignore it.
"daemon" if apple => true,
// Deprecated on OSX
"sem_destroy" if apple => true,
"sem_init" if apple => true,
// These functions presumably exist on netbsd but don't look like
// they're implemented on rumprun yet, just let them slide for now.
// Some of them look like they have headers but then don't have
// corresponding actual definitions either...
"shm_open" |
"shm_unlink" |
"syscall" |
"ptrace" |
"sigaltstack" if rumprun => true,
// There seems to be a small error in EGLIBC's eventfd.h header. The
// [underlying system call][1] always takes its first `count`
// argument as an `unsigned int`, but [EGLIBC's <sys/eventfd.h>
// header][2] declares it to take an `int`. [GLIBC's header][3]
// matches the kernel.
//
// EGLIBC is no longer actively developed, and Debian, the largest
// distribution that had been using it, switched back to GLIBC in
// April 2015. So effectively all Linux <sys/eventfd.h> headers will
// be using `unsigned int` soon.
//
// [1]: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/fs/eventfd.c?id=refs/tags/v3.12.51#n397
// [2]: http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/eglibc/trusty/view/head:/sysdeps/unix/sysv/linux/sys/eventfd.h
// [3]: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/sys/eventfd.h;h=6295f32e937e779e74318eb9d3bdbe76aef8a8f3;hb=4e42b5b8f89f0e288e68be7ad70f9525aebc2cff#l34
"eventfd" if linux => true,
// The `uname` function in freebsd is now an inline wrapper that
// delegates to another, but the symbol still exists, so don't check
// the symbol.
"uname" if freebsd => true,
// aio_waitcomplete's return type changed between FreeBSD 10 and 11.
"aio_waitcomplete" if freebsd => true,
// lio_listio confuses the checker, probably because one of its
// arguments is an array
"lio_listio" if freebsd => true,
"lio_listio" if musl => true,
// Apparently the NDK doesn't have this defined on android, but
// it's in a header file?
"endpwent" if android => true,
// These are either unimplemented or optionally built into uClibc
// or "sysinfo", where it's defined but the structs in linux/sysinfo.h and sys/sysinfo.h
// clash so it can't be tested
"getxattr" | "lgetxattr" | "fgetxattr" | "setxattr" | "lsetxattr" | "fsetxattr" |
"listxattr" | "llistxattr" | "flistxattr" | "removexattr" | "lremovexattr" |
"fremovexattr" |
"backtrace" |
"sysinfo" | "newlocale" | "duplocale" | "freelocale" | "uselocale" |
"nl_langinfo_l" | "wcslen" | "wcstombs" if uclibc => true,
// Apparently res_init exists on Android, but isn't defined in a header:
// https://mail.gnome.org/archives/commits-list/2013-May/msg01329.html
"res_init" if android => true,
// On macOS and iOS, res_init is available, but requires linking with libresolv:
// http://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html
// See discussion for skipping here:
// https://github.com/rust-lang/libc/pull/585#discussion_r114561460
"res_init" if apple => true,
// On Mac we don't use the default `close()`, instead using their $NOCANCEL variants.
"close" if apple => true,
// Definition of those functions as changed since unified headers from NDK r14b
// These changes imply some API breaking changes but are still ABI compatible.
// We can wait for the next major release to be compliant with the new API.
// FIXME: unskip these for next major release
"strerror_r" | "madvise" | "msync" | "mprotect" | "recvfrom" | "getpriority" |
"setpriority" | "personality" if android => true,
// In Android 64 bits, these functions have been fixed since unified headers.
// Ignore these until next major version.
"bind" | "writev" | "readv" | "sendmsg" | "recvmsg" if android && (aarch64 || x86_64) => true,
_ => false,
}
});
cfg.skip_fn_ptrcheck(move |name| {
match name {
// dllimport weirdness?
_ if windows => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
// This is a weird union, don't check the type.
(struct_ == "ifaddrs" && field == "ifa_ifu") ||
// sighandler_t type is super weird
(struct_ == "sigaction" && field == "sa_sigaction") ||
// __timeval type is a patch which doesn't exist in glibc
(linux && struct_ == "utmpx" && field == "ut_tv") ||
// sigval is actually a union, but we pretend it's a struct
(struct_ == "sigevent" && field == "sigev_value") ||
// aio_buf is "volatile void*" and Rust doesn't understand volatile
(struct_ == "aiocb" && field == "aio_buf") ||
// stack_t.ss_sp's type changed from FreeBSD 10 to 11 in svn r294930
(freebsd && struct_ == "stack_t" && field == "ss_sp") ||
// type siginfo_t.si_addr changed from OpenBSD 6.0 to 6.1
(openbsd && struct_ == "siginfo_t" && field == "si_addr") ||
// this one is an anonymous union
(linux && struct_ == "ff_effect" && field == "u")
});
cfg.skip_field(move |struct_, field| {
// this is actually a union on linux, so we can't represent it well and
// just insert some padding.
(struct_ == "siginfo_t" && field == "_pad") ||
// musl names this __dummy1 but it's still there
(musl && struct_ == "glob_t" && field == "gl_flags") ||
// musl seems to define this as an *anonymous* bitfield
(musl && struct_ == "statvfs" && field == "__f_unused") ||
// sigev_notify_thread_id is actually part of a sigev_un union
(struct_ == "sigevent" && field == "sigev_notify_thread_id")
});
cfg.fn_cname(move |name, cname| {
if windows {
cname.unwrap_or(name).to_string()
} else {
name.to_string()
}
});
cfg.generate("../src/lib.rs", "main.rs");
// On Linux or Android also generate another script for testing linux/fcntl declarations.
// These cannot be tested normally because including both `linux/fcntl.h` and `fcntl.h`
// fails on a lot of platforms.
let mut cfg = ctest::TestGenerator::new();
cfg.skip_type(|_| true)
.skip_struct(|_| true)
.skip_fn(|_| true);
if android || linux {
// musl defines these directly in `fcntl.h`
if musl {
cfg.header("fcntl.h");
} else {
cfg.header("linux/fcntl.h");
}
if !musl {
cfg.header("net/if.h");
cfg.header("linux/if.h");
}
cfg.header("linux/quota.h");
cfg.skip_const(move |name| {
match name {
"F_CANCELLK" | "F_ADD_SEALS" | "F_GET_SEALS" => false,
"F_SEAL_SEAL" | "F_SEAL_SHRINK" | "F_SEAL_GROW" | "F_SEAL_WRITE" => false,
"QFMT_VFS_OLD" | "QFMT_VFS_V0" | "QFMT_VFS_V1" if mips && linux => false,
_ => true,
}
});
} else {
cfg.skip_const(|_| true);
}
cfg.generate("../src/lib.rs", "linux_fcntl.rs");
}