forked from rust-lang/libc
/
build.rs
1868 lines (1657 loc) · 55.3 KB
/
build.rs
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#![deny(warnings)]
extern crate cc;
extern crate ctest;
use std::env;
#[cfg(unix)]
fn do_cc() {
cc::Build::new().file("src/cmsg.c").compile("cmsg");
}
#[cfg(not(unix))]
fn do_cc() {}
fn do_ctest() {
let target = env::var("TARGET").unwrap();
let aarch64 = target.contains("aarch64");
let i686 = target.contains("i686");
let x86_64 = target.contains("x86_64");
let x32 = target.ends_with("gnux32");
let linux = target.contains("unknown-linux");
let android = target.contains("android");
let emscripten = target.contains("asm");
let musl = target.contains("musl") || emscripten;
let uclibc = target.contains("uclibc");
let freebsd = target.contains("freebsd");
let mips = target.contains("mips");
let openbsd = target.contains("openbsd");
let bsdlike = freebsd || openbsd;
let mut cfg = ctest::TestGenerator::new();
match &target {
t if t.contains("apple") => return test_apple(t),
t if t.contains("openbsd") => return test_openbsd(t),
t if t.contains("windows") => return test_windows(t),
t if t.contains("redox") => return test_redox(t),
t if t.contains("cloudabi") => return test_cloudabi(t),
t if t.contains("solaris") => return test_solaris(t),
t if t.contains("netbsd") => return test_netbsd(t),
t if t.contains("dragonfly") => return test_dragonflybsd(t),
_ => (),
}
// Pull in extra goodies
if linux || android || emscripten {
cfg.define("_GNU_SOURCE", None);
} else if freebsd {
cfg.define("_WITH_GETLINE", None);
}
// 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");
cfg.flag("-Wno-deprecated-declarations");
cfg.header("ctype.h");
cfg.header("dirent.h");
cfg.header("net/if.h");
cfg.header("net/route.h");
cfg.header("net/if_arp.h");
if linux || android {
cfg.header("linux/if_alg.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/auxv.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");
cfg.header("ifaddrs.h");
if i686 || x86_64 {
cfg.header("sys/reg.h");
}
} else {
cfg.header("glob.h");
cfg.header("ifaddrs.h");
cfg.header("langinfo.h");
if !openbsd && !freebsd {
cfg.header("sys/quota.h");
}
if !musl && !x32 {
cfg.header("sys/sysctl.h");
}
if !musl && !uclibc {
if !openbsd && !uclibc {
cfg.header("execinfo.h");
}
if openbsd {
cfg.header("utmp.h");
} else {
cfg.header("utmpx.h");
}
}
}
if bsdlike {
cfg.header("sys/event.h");
cfg.header("net/if_dl.h");
if freebsd {
cfg.header("net/bpf.h");
cfg.header("libutil.h");
} else {
cfg.header("util.h");
}
}
if linux || emscripten {
cfg.header("mntent.h");
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/timerfd.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/sockios.h");
cfg.header("linux/netlink.h");
cfg.header("linux/genetlink.h");
cfg.header("linux/netfilter_ipv4.h");
cfg.header("linux/netfilter_ipv6.h");
cfg.header("linux/fs.h");
}
if !musl {
cfg.header("asm/mman.h");
cfg.header("linux/magic.h");
cfg.header("linux/reboot.h");
cfg.header("linux/netfilter/nf_tables.h");
if !mips {
cfg.header("linux/quota.h");
}
}
}
if linux || android {
cfg.header("sys/fsuid.h");
cfg.header("linux/module.h");
cfg.header("linux/seccomp.h");
cfg.header("linux/if_ether.h");
cfg.header("linux/if_tun.h");
cfg.header("linux/net_tstamp.h");
cfg.header("sys/inotify.h");
// DCCP support
if !uclibc && !musl && !emscripten {
cfg.header("linux/dccp.h");
}
if !musl || mips {
cfg.header("linux/memfd.h");
}
}
if linux {
cfg.header("linux/random.h");
cfg.header("elf.h");
cfg.header("link.h");
cfg.header("spawn.h");
}
if freebsd {
cfg.header("mqueue.h");
cfg.header("pthread_np.h");
cfg.header("sched.h");
cfg.header("ufs/ufs/quota.h");
cfg.header("sys/extattr.h");
cfg.header("sys/jail.h");
cfg.header("sys/ipc.h");
cfg.header("sys/msg.h");
cfg.header("sys/shm.h");
cfg.header("sys/procdesc.h");
cfg.header("sys/rtprio.h");
cfg.header("spawn.h");
}
if openbsd {
cfg.header("ufs/ufs/quota.h");
cfg.header("pthread_np.h");
cfg.header("sys/syscall.h");
}
if linux || freebsd || emscripten {
if !uclibc {
cfg.header("aio.h");
}
}
cfg.type_name(move |ty, is_struct, is_union| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" | "fd_set" | "Dl_info" | "DIR" | "Elf32_Phdr"
| "Elf64_Phdr" | "Elf32_Shdr" | "Elf64_Shdr" | "Elf32_Sym"
| "Elf64_Sym" | "Elf32_Ehdr" | "Elf64_Ehdr" | "Elf32_Chdr"
| "Elf64_Chdr" => ty.to_string(),
// OSX calls this something else
"sighandler_t" if bsdlike => "sig_t".to_string(),
t if is_union => format!("union {}", t),
t if t.ends_with("_t") => t.to_string(),
// put `struct` in front of all structs:.
t if is_struct => 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("android") {
s.to_string()
} else {
s.replace("e_nsec", ".tv_nsec")
}
}
"u64" if struct_ == "epoll_event" => "data.u64".to_string(),
"type_"
if (linux || freebsd)
&& (struct_ == "input_event"
|| struct_ == "input_mask"
|| struct_ == "ff_effect"
|| struct_ == "rtprio") =>
{
"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,
// 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,
// These are tested as part of the linux_fcntl tests since there are
// header conflicts when including them with all the other structs.
"termios2" => true,
_ => false,
}
});
cfg.skip_signededness(move |c| {
match c {
"LARGE_INTEGER" | "float" | "double" => true,
n if n.starts_with("pthread") => true,
// sem_t is a struct or pointer
"sem_t" if openbsd || freebsd => true,
// mqd_t is a pointer on FreeBSD
"mqd_t" if freebsd => true,
_ => false,
}
});
cfg.skip_const(move |name| {
match name {
"SIG_DFL" | "SIG_ERR" | "SIG_IGN" => true, // sighandler_t weirdness
"SIGUNUSED" => true, // removed in glibc 2.26
// 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 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" | "NET_MAXID"
| "USER_MAXID"
if freebsd =>
{
true
}
// These constants were added in FreeBSD 11
"EVFILT_PROCDESC" | "EVFILT_SENDFILE" | "EVFILT_EMPTY"
| "PD_CLOEXEC" | "PD_ALLOWED_AT_FORK"
if freebsd =>
{
true
}
// These constants were added in FreeBSD 12
"SF_USER_READAHEAD" | "SO_REUSEPORT_LB" if freebsd => true,
// These constants were removed in OpenBSD 6 (https://git.io/v7gBO
// https://git.io/v7gBq)
"KERN_USERMOUNT" | "KERN_ARND" 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"
| "RENAME_NOREPLACE"
| "RENAME_EXCHANGE"
| "RENAME_WHITEOUT"
// ALG_SET_AEAD_* constants are available starting from kernel 3.19
| "ALG_SET_AEAD_ASSOCLEN"
| "ALG_SET_AEAD_AUTHSIZE"
if musl =>
{
true
}
// Both android and musl use old kernel headers
// These are constants used in getrandom syscall
"GRND_NONBLOCK" | "GRND_RANDOM" if musl || android => true,
// Defined by libattr not libc on linux (hard to test).
// See constant definition for more details.
"ENOATTR" if android || 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
"BOTHER" => true,
"MFD_CLOEXEC" | "MFD_ALLOW_SEALING" if !mips && musl => true,
// MFD_HUGETLB is not available in some older libc versions on the CI builders. On the
// x86_64 and i686 builders it seems to be available for all targets, so at least test
// it there.
"MFD_HUGETLB"
if !(x86_64 || i686) || musl || (x86_64 && android) =>
{
true
}
// These are defined for Solaris 11, but the crate is tested on
// illumos, where they are currently not defined
"EADI"
| "PORT_SOURCE_POSTWAIT"
| "PORT_SOURCE_SIGNAL"
| "PTHREAD_STACK_MIN" => true,
// These change all the time from release to release of linux
// distros, let's just not bother trying to verify them. They
// shouldn't be used in code anyway...
"AF_MAX" | "PF_MAX" => true,
// These are not in a glibc release yet, only in kernel headers.
"AF_XDP"
| "PF_XDP"
| "SOL_XDP"
| "IPV6_FLOWINFO"
| "IPV6_FLOWLABEL_MGR"
| "IPV6_FLOWINFO_SEND"
| "IPV6_FLOWINFO_FLOWLABEL"
| "IPV6_FLOWINFO_PRIORITY"
if linux =>
{
true
}
| "IP_ORIGDSTADDR"
| "IP_RECVORIGDSTADDR"
| "IPV6_ORIGDSTADDR"
| "IPV6_RECVORIGDSTADDR"
if freebsd =>
{
// FreeBSD 12 required, but CI has FreeBSD 11.
true
}
_ => 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 => 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
// 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,
// FIXME: need to upgrade FreeBSD version; see https://github.com/rust-lang/libc/issues/938
"setgrent" 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,
// 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,
// Removed in OpenBSD 6.5
// https://marc.info/?l=openbsd-cvs&m=154723400730318
"mincore" if openbsd => true,
_ => false,
}
});
cfg.skip_static(move |name| {
match name {
// Internal constant, not declared in any headers.
"__progname" if android => 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") ||
// signalfd had SIGSYS fields added in Linux 4.18, but no libc release has them yet.
(struct_ == "signalfd_siginfo" && (field == "ssi_addr_lsb" ||
field == "_pad2" ||
field == "ssi_syscall" ||
field == "ssi_call_addr" ||
field == "ssi_arch"))
});
// FIXME: remove
cfg.fn_cname(move |name, _cname| 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_fn(|_| true)
.skip_static(|_| 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.header("asm/termbits.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
}
"BOTHER" => false,
_ => true,
});
cfg.skip_struct(|s| s != "termios2");
cfg.type_name(move |ty, is_struct, is_union| match ty {
t if is_struct => format!("struct {}", t),
t if is_union => format!("union {}", t),
t => t.to_string(),
});
} else {
cfg.skip_const(|_| true);
cfg.skip_struct(|_| true);
}
cfg.generate("../src/lib.rs", "linux_fcntl.rs");
}
fn main() {
do_cc();
do_ctest();
}
macro_rules! headers {
($cfg:ident: $header:expr) => {
$cfg.header($header);
};
($cfg:ident: $($header:expr),*) => {
$(headers!($cfg: $header);)*
};
($cfg:ident: $($header:expr,)*) => {
$(headers!($cfg: $header);)*
};
}
fn test_apple(target: &str) {
assert!(target.contains("apple"));
let x86_64 = target.contains("x86_64");
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
cfg.define("__APPLE_USE_RFC_3542", None);
headers! { cfg:
"aio.h",
"ctype.h",
"dirent.h",
"dlfcn.h",
"errno.h",
"execinfo.h",
"fcntl.h",
"glob.h",
"grp.h",
"ifaddrs.h",
"langinfo.h",
"limits.h",
"locale.h",
"mach-o/dyld.h",
"mach/mach_time.h",
"malloc/malloc.h",
"net/bpf.h",
"net/if.h",
"net/if_arp.h",
"net/if_dl.h",
"net/if_utun.h",
"net/route.h",
"net/route.h",
"netdb.h",
"netinet/if_ether.h",
"netinet/in.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"poll.h",
"pthread.h",
"pwd.h",
"resolv.h",
"sched.h",
"semaphore.h",
"signal.h",
"spawn.h",
"stddef.h",
"stdint.h",
"stdio.h",
"stdlib.h",
"string.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/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/types.h",
"sys/uio.h",
"sys/un.h",
"sys/utsname.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",
}
if x86_64 {
headers! { cfg: "crt_externs.h" }
}
cfg.skip_struct(move |ty| {
match ty {
// FIXME: actually a union
"sigval" => 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,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
// FIXME: https://github.com/rust-lang/libc/issues/1272
"execv" | "execve" | "execvp" => true,
// close calls the close_nocancel system call
"close" => true,
_ => false,
}
});
cfg.skip_field_type(move |struct_, field| {
match (struct_, field) {
// FIXME: 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: 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.generate("../src/lib.rs", "main.rs");
}
fn test_openbsd(target: &str) {
assert!(target.contains("openbsd"));
let mut cfg = ctest::TestGenerator::new();
cfg.flag("-Wno-deprecated-declarations");
headers! { cfg:
"errno.h",
"fcntl.h",
"limits.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",
"net/if.h",
"net/route.h",
"net/if_arp.h",
"netdb.h",
"netinet/in.h",
"netinet/ip.h",
"netinet/tcp.h",
"netinet/udp.h",
"resolv.h",
"pthread.h",
"dlfcn.h",
"signal.h",
"string.h",
"sys/file.h",
"sys/ioctl.h",
"sys/mman.h",
"sys/resource.h",
"sys/socket.h",
"sys/time.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",