libc-rs/libc-test/build.rs
Alex Crichton d820c4a8f7 Add OpenBSD and FreeBSD CI to Travis
This commit adds support to test all libc definitions on both OpenBSD and
FreeBSD via QEMU userspace emulation. Specially prepared images for each OS are
used which are essentially intended to run a script on startup and then exit.
Documentation has been added to the `ci/README.md` file describing this new
system.
2016-01-18 22:54:28 -08:00

415 lines
13 KiB
Rust

#![deny(warnings)]
extern crate ctest;
use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
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 musl = target.contains("musl");
let freebsd = target.contains("freebsd");
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;
let mut cfg = ctest::TestGenerator::new();
// Pull in extra goodies on linux/mingw
if linux || android {
cfg.define("_GNU_SOURCE", None);
} 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("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.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("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");
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");
}
if android {
cfg.header("arpa/inet.h");
cfg.header("time64.h");
} else if !windows {
cfg.header("glob.h");
cfg.header("ifaddrs.h");
if !openbsd {
cfg.header("sys/quota.h");
}
cfg.header("sys/statvfs.h");
if !musl {
cfg.header("sys/sysctl.h");
if !netbsd && !openbsd {
cfg.header("execinfo.h");
}
}
}
if apple {
cfg.header("mach-o/dyld.h");
cfg.header("mach/mach_time.h");
cfg.header("malloc/malloc.h");
if target.starts_with("x86") {
cfg.header("crt_externs.h");
}
}
if bsdlike {
cfg.header("sys/event.h");
}
if linux {
cfg.header("mqueue.h");
cfg.header("sys/signalfd.h");
cfg.header("sys/xattr.h");
cfg.header("sys/ipc.h");
cfg.header("sys/shm.h");
}
if linux || android {
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/vfs.h");
cfg.header("sys/syscall.h");
if !musl {
cfg.header("linux/netlink.h");
cfg.header("linux/magic.h");
if !mips {
cfg.header("linux/quota.h");
}
}
}
if freebsd {
cfg.header("pthread_np.h");
cfg.header("sched.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("rpcsvc/rex.h");
cfg.header("pthread_np.h");
cfg.header("sys/syscall.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(),
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,
// The alignment of this is 4 on 64-bit OSX...
"kevent" if apple && x86_64 => true,
_ => false
}
});
cfg.skip_signededness(|c| {
match c {
"LARGE_INTEGER" |
"mach_timebase_info_data_t" |
"float" |
"double" => true,
n if n.starts_with("pthread") => 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" if musl => true,
// work around super old mips toolchain
"SCHED_IDLE" | "SHM_NORESERVE" => mips,
// weird signed extension or something like that?
"MS_NOUSER" => true,
// These OSX constants are flagged as deprecated
"NOTE_EXIT_REPARENTED" |
"NOTE_REAP" if apple => true,
// The linux/quota.h header file which defines these can't be
// included with sys/quota.h currently on MIPS, so we don't include
// it and just ignore these constants
"QFMT_VFS_OLD" |
"QFMT_VFS_V0" if mips && linux => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verified
match name {
"execv" | // crazy stuff with const/mut
"execve" |
"execvp" |
"execvpe" => true,
"getrlimit" | "getrlimit64" | // non-int in 1st arg
"setrlimit" | "setrlimit64" | // non-int in 1st arg
"strerror_r" if linux => true, // actually xpg-something-or-other
// 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
// 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,
// 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...
"backtrace" |
"pthread_main_np" |
"pthread_set_name_np" |
"pthread_stackseg_np" |
"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,
_ => false,
}
});
cfg.skip_fn_ptrcheck(move |name| {
match name {
// This used to be called bsd_signal in rev 18 of the android
// platform and is now just called signal, the old `bsd_signal`
// symbol, however, still remains, just gives a different function
// pointer.
"signal" if android => true,
// 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")
});
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")
});
cfg.fn_cname(move |name, cname| {
if windows {
cname.unwrap_or(name).to_string()
} else {
name.to_string()
}
});
if env::var("SKIP_COMPILE").is_ok() {
cfg.generate_files("../src/lib.rs", "all.rs");
} else {
cfg.generate("../src/lib.rs", "all.rs");
}
}