1 #![deny(warnings)] 2 3 extern crate ctest; 4 5 use std::env; 6 7 fn main() { 8 let target = env::var("TARGET").unwrap(); 9 let x86_64 = target.contains("x86_64"); 10 let windows = target.contains("windows"); 11 let mingw = target.contains("windows-gnu"); 12 let linux = target.contains("unknown-linux"); 13 let android = target.contains("android"); 14 let apple = target.contains("apple"); 15 let musl = target.contains("musl"); 16 let freebsd = target.contains("freebsd"); 17 let dragonfly = target.contains("dragonfly"); 18 let mips = target.contains("mips"); 19 let netbsd = target.contains("netbsd"); 20 let openbsd = target.contains("openbsd"); 21 let rumprun = target.contains("rumprun"); 22 let bsdlike = freebsd || apple || netbsd || openbsd || dragonfly; 23 let mut cfg = ctest::TestGenerator::new(); 24 25 // Pull in extra goodies 26 if linux || android { 27 cfg.define("_GNU_SOURCE", None); 28 } else if netbsd { 29 cfg.define("_NETBSD_SOURCE", Some("1")); 30 } else if windows { 31 cfg.define("_WIN32_WINNT", Some("0x8000")); 32 } 33 34 // Android doesn't actually have in_port_t but it's much easier if we 35 // provide one for us to test against 36 if android { 37 cfg.define("in_port_t", Some("uint16_t")); 38 } 39 40 cfg.header("errno.h") 41 .header("fcntl.h") 42 .header("limits.h") 43 .header("locale.h") 44 .header("stddef.h") 45 .header("stdint.h") 46 .header("stdio.h") 47 .header("stdlib.h") 48 .header("sys/stat.h") 49 .header("sys/types.h") 50 .header("time.h") 51 .header("wchar.h"); 52 53 if windows { 54 cfg.header("winsock2.h"); // must be before windows.h 55 56 cfg.header("direct.h"); 57 cfg.header("io.h"); 58 cfg.header("sys/utime.h"); 59 cfg.header("windows.h"); 60 cfg.header("process.h"); 61 cfg.header("ws2ipdef.h"); 62 63 if target.contains("gnu") { 64 cfg.header("ws2tcpip.h"); 65 } 66 } else { 67 cfg.flag("-Wno-deprecated-declarations"); 68 69 cfg.header("ctype.h"); 70 cfg.header("dirent.h"); 71 if openbsd { 72 cfg.header("sys/socket.h"); 73 } 74 cfg.header("net/if.h"); 75 cfg.header("netdb.h"); 76 cfg.header("netinet/in.h"); 77 cfg.header("netinet/ip.h"); 78 cfg.header("netinet/tcp.h"); 79 cfg.header("pthread.h"); 80 cfg.header("dlfcn.h"); 81 cfg.header("signal.h"); 82 cfg.header("string.h"); 83 cfg.header("sys/file.h"); 84 cfg.header("sys/ioctl.h"); 85 cfg.header("sys/mman.h"); 86 cfg.header("sys/resource.h"); 87 cfg.header("sys/socket.h"); 88 cfg.header("sys/time.h"); 89 cfg.header("sys/un.h"); 90 cfg.header("sys/wait.h"); 91 cfg.header("unistd.h"); 92 cfg.header("utime.h"); 93 cfg.header("pwd.h"); 94 cfg.header("grp.h"); 95 cfg.header("sys/utsname.h"); 96 cfg.header("sys/ptrace.h"); 97 cfg.header("sys/mount.h"); 98 cfg.header("sys/uio.h"); 99 cfg.header("sched.h"); 100 cfg.header("termios.h"); 101 cfg.header("poll.h"); 102 cfg.header("syslog.h"); 103 cfg.header("semaphore.h"); 104 } 105 106 if android { 107 cfg.header("arpa/inet.h"); 108 cfg.header("time64.h"); 109 cfg.header("xlocale.h"); 110 cfg.header("utmp.h"); 111 } else if !windows { 112 cfg.header("glob.h"); 113 cfg.header("ifaddrs.h"); 114 cfg.header("sys/statvfs.h"); 115 cfg.header("langinfo.h"); 116 117 if !openbsd && !freebsd && !dragonfly { 118 cfg.header("sys/quota.h"); 119 } 120 121 if !musl { 122 cfg.header("sys/sysctl.h"); 123 124 if !netbsd && !openbsd { 125 cfg.header("execinfo.h"); 126 cfg.header("xlocale.h"); 127 } 128 129 if openbsd { 130 cfg.header("utmp.h"); 131 } else { 132 cfg.header("utmpx.h"); 133 } 134 } 135 } 136 137 if apple { 138 cfg.header("mach-o/dyld.h"); 139 cfg.header("mach/mach_time.h"); 140 cfg.header("malloc/malloc.h"); 141 cfg.header("util.h"); 142 if target.starts_with("x86") { 143 cfg.header("crt_externs.h"); 144 } 145 } 146 147 if bsdlike { 148 cfg.header("sys/event.h"); 149 150 if freebsd { 151 cfg.header("libutil.h"); 152 } else { 153 cfg.header("util.h"); 154 } 155 } 156 157 if linux { 158 cfg.header("mqueue.h"); 159 cfg.header("ucontext.h"); 160 cfg.header("sys/signalfd.h"); 161 cfg.header("sys/xattr.h"); 162 cfg.header("sys/ipc.h"); 163 cfg.header("sys/msg.h"); 164 cfg.header("sys/shm.h"); 165 cfg.header("sys/fsuid.h"); 166 cfg.header("pty.h"); 167 cfg.header("shadow.h"); 168 } 169 170 if linux || android { 171 cfg.header("malloc.h"); 172 cfg.header("net/ethernet.h"); 173 cfg.header("netpacket/packet.h"); 174 cfg.header("sched.h"); 175 cfg.header("sys/epoll.h"); 176 cfg.header("sys/eventfd.h"); 177 cfg.header("sys/prctl.h"); 178 cfg.header("sys/sendfile.h"); 179 cfg.header("sys/vfs.h"); 180 cfg.header("sys/syscall.h"); 181 cfg.header("sys/sysinfo.h"); 182 cfg.header("sys/reboot.h"); 183 if !musl { 184 cfg.header("linux/netlink.h"); 185 cfg.header("linux/magic.h"); 186 cfg.header("linux/reboot.h"); 187 188 if !mips { 189 cfg.header("linux/quota.h"); 190 } 191 } 192 } 193 194 if freebsd { 195 cfg.header("pthread_np.h"); 196 cfg.header("sched.h"); 197 cfg.header("ufs/ufs/quota.h"); 198 } 199 200 if netbsd { 201 cfg.header("ufs/ufs/quota.h"); 202 cfg.header("ufs/ufs/quota1.h"); 203 cfg.header("sys/ioctl_compat.h"); 204 } 205 206 if openbsd { 207 cfg.header("ufs/ufs/quota.h"); 208 cfg.header("rpcsvc/rex.h"); 209 cfg.header("pthread_np.h"); 210 cfg.header("sys/syscall.h"); 211 } 212 213 if dragonfly { 214 cfg.header("ufs/ufs/quota.h"); 215 cfg.header("pthread_np.h"); 216 cfg.header("sys/ioctl_compat.h"); 217 } 218 219 if linux || freebsd || dragonfly || netbsd || apple { 220 cfg.header("aio.h"); 221 } 222 223 cfg.type_name(move |ty, is_struct| { 224 match ty { 225 // Just pass all these through, no need for a "struct" prefix 226 "FILE" | 227 "fd_set" | 228 "Dl_info" | 229 "DIR" => ty.to_string(), 230 231 // Fixup a few types on windows that don't actually exist. 232 "time64_t" if windows => "__time64_t".to_string(), 233 "ssize_t" if windows => "SSIZE_T".to_string(), 234 235 // OSX calls this something else 236 "sighandler_t" if bsdlike => "sig_t".to_string(), 237 238 t if t.ends_with("_t") => t.to_string(), 239 240 // Windows uppercase structs don't have `struct` in front, there's a 241 // few special cases for windows, and then otherwise put `struct` in 242 // front of everything. 243 t if is_struct => { 244 if windows && ty.chars().next().unwrap().is_uppercase() { 245 t.to_string() 246 } else if windows && t == "stat" { 247 "struct __stat64".to_string() 248 } else if windows && t == "utimbuf" { 249 "struct __utimbuf64".to_string() 250 } else { 251 format!("struct {}", t) 252 } 253 } 254 255 t => t.to_string(), 256 } 257 }); 258 259 let target2 = target.clone(); 260 cfg.field_name(move |struct_, field| { 261 match field { 262 "st_birthtime" if openbsd && struct_ == "stat" => "__st_birthtime".to_string(), 263 "st_birthtime_nsec" if openbsd && struct_ == "stat" => "__st_birthtimensec".to_string(), 264 // Our stat *_nsec fields normally don't actually exist but are part 265 // of a timeval struct 266 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 267 if target2.contains("apple") { 268 s.replace("_nsec", "spec.tv_nsec") 269 } else if target2.contains("android") { 270 s.to_string() 271 } else { 272 s.replace("e_nsec", ".tv_nsec") 273 } 274 } 275 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 276 s => s.to_string(), 277 } 278 }); 279 280 cfg.skip_type(move |ty| { 281 match ty { 282 // sighandler_t is crazy across platforms 283 "sighandler_t" => true, 284 285 _ => false 286 } 287 }); 288 289 cfg.skip_struct(move |ty| { 290 match ty { 291 "sockaddr_nl" => musl, 292 293 // On Linux, the type of `ut_tv` field of `struct utmpx` 294 // can be an anonymous struct, so an extra struct, 295 // which is absent in glibc, has to be defined. 296 "__timeval" if linux => true, 297 298 // The alignment of this is 4 on 64-bit OSX... 299 "kevent" if apple && x86_64 => true, 300 301 // This is actually a union, not a struct 302 "sigval" => true, 303 304 _ => false 305 } 306 }); 307 308 cfg.skip_signededness(move |c| { 309 match c { 310 "LARGE_INTEGER" | 311 "mach_timebase_info_data_t" | 312 "float" | 313 "double" => true, 314 // uuid_t is a struct, not an integer. 315 "uuid_t" if dragonfly => true, 316 n if n.starts_with("pthread") => true, 317 // sem_t is a struct or pointer 318 "sem_t" if openbsd || freebsd || dragonfly || rumprun => true, 319 320 // windows-isms 321 n if n.starts_with("P") => true, 322 n if n.starts_with("H") => true, 323 n if n.starts_with("LP") => true, 324 _ => false, 325 } 326 }); 327 328 cfg.skip_const(move |name| { 329 match name { 330 // Apparently these don't exist in mingw headers? 331 "MEM_RESET_UNDO" | 332 "FILE_ATTRIBUTE_NO_SCRUB_DATA" | 333 "FILE_ATTRIBUTE_INTEGRITY_STREAM" | 334 "ERROR_NOTHING_TO_TERMINATE" if mingw => true, 335 336 "SIG_IGN" => true, // sighandler_t weirdness 337 338 // types on musl are defined a little differently 339 n if musl && n.contains("__SIZEOF_PTHREAD") => true, 340 341 // Skip constants not defined in MUSL but just passed down to the 342 // kernel regardless 343 "RLIMIT_NLIMITS" | 344 "TCP_COOKIE_TRANSACTIONS" | 345 "RLIMIT_RTTIME" | 346 "MSG_COPY" if musl => true, 347 // work around super old mips toolchain 348 "SCHED_IDLE" | "SHM_NORESERVE" => mips, 349 350 // weird signed extension or something like that? 351 "MS_NOUSER" => true, 352 "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13 353 354 // These OSX constants are flagged as deprecated 355 "NOTE_EXIT_REPARENTED" | 356 "NOTE_REAP" if apple => true, 357 358 // The linux/quota.h header file which defines these can't be 359 // included with sys/quota.h currently on MIPS, so we don't include 360 // it and just ignore these constants 361 "QFMT_VFS_OLD" | 362 "QFMT_VFS_V0" if mips && linux => true, 363 364 // These constants were removed in FreeBSD 11 (svn r273250) but will 365 // still be accepted and ignored at runtime. 366 "MAP_RENAME" | 367 "MAP_NORESERVE" if freebsd => true, 368 369 // These constants were removed in FreeBSD 11 (svn r262489), 370 // and they've never had any legitimate use outside of the 371 // base system anyway. 372 "CTL_MAXID" | 373 "KERN_MAXID" | 374 "HW_MAXID" | 375 "USER_MAXID" if freebsd => true, 376 377 // These OSX constants are removed in Sierra. 378 // https://developer.apple.com/library/content/releasenotes/General/APIDiffsMacOS10_12/Swift/Darwin.html 379 "KERN_KDENABLE_BG_TRACE" if apple => true, 380 "KERN_KDDISABLE_BG_TRACE" if apple => true, 381 382 _ => false, 383 } 384 }); 385 386 cfg.skip_fn(move |name| { 387 // skip those that are manually verified 388 match name { 389 "execv" | // crazy stuff with const/mut 390 "execve" | 391 "execvp" | 392 "execvpe" => true, 393 394 "getrlimit" | "getrlimit64" | // non-int in 1st arg 395 "setrlimit" | "setrlimit64" | // non-int in 1st arg 396 "prlimit" | "prlimit64" | // non-int in 2nd arg 397 "strerror_r" if linux => true, // actually xpg-something-or-other 398 399 // typed 2nd arg on linux and android 400 "gettimeofday" if linux || android || freebsd || openbsd || dragonfly => true, 401 402 // not declared in newer android toolchains 403 "getdtablesize" if android => true, 404 405 "dlerror" if android => true, // const-ness is added 406 "dladdr" if musl => true, // const-ness only added recently 407 408 // OSX has 'struct tm *const' which we can't actually represent in 409 // Rust, but is close enough to *mut 410 "timegm" if apple => true, 411 412 // OSX's daemon is deprecated in 10.5 so we'll get a warning (which 413 // we turn into an error) so just ignore it. 414 "daemon" if apple => true, 415 416 // Deprecated on OSX 417 "sem_destroy" if apple => true, 418 "sem_init" if apple => true, 419 420 // These functions presumably exist on netbsd but don't look like 421 // they're implemented on rumprun yet, just let them slide for now. 422 // Some of them look like they have headers but then don't have 423 // corresponding actual definitions either... 424 "shm_open" | 425 "shm_unlink" | 426 "syscall" | 427 "ptrace" | 428 "sigaltstack" if rumprun => true, 429 430 // There seems to be a small error in EGLIBC's eventfd.h header. The 431 // [underlying system call][1] always takes its first `count` 432 // argument as an `unsigned int`, but [EGLIBC's <sys/eventfd.h> 433 // header][2] declares it to take an `int`. [GLIBC's header][3] 434 // matches the kernel. 435 // 436 // EGLIBC is no longer actively developed, and Debian, the largest 437 // distribution that had been using it, switched back to GLIBC in 438 // April 2015. So effectively all Linux <sys/eventfd.h> headers will 439 // be using `unsigned int` soon. 440 // 441 // [1]: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/fs/eventfd.c?id=refs/tags/v3.12.51#n397 442 // [2]: http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/eglibc/trusty/view/head:/sysdeps/unix/sysv/linux/sys/eventfd.h 443 // [3]: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/sys/eventfd.h;h=6295f32e937e779e74318eb9d3bdbe76aef8a8f3;hb=4e42b5b8f89f0e288e68be7ad70f9525aebc2cff#l34 444 "eventfd" if linux => true, 445 446 // The `uname` function in freebsd is now an inline wrapper that 447 // delegates to another, but the symbol still exists, so don't check 448 // the symbol. 449 "uname" if freebsd => true, 450 451 // aio_waitcomplete's return type changed between FreeBSD 10 and 11. 452 "aio_waitcomplete" if freebsd => true, 453 454 // lio_listio confuses the checker, probably because one of its 455 // arguments is an array 456 "lio_listio" if freebsd => true, 457 "lio_listio" if musl => true, 458 459 // Apparently the NDK doesn't have this defined on android, but 460 // it's in a header file? 461 "endpwent" if android => true, 462 463 _ => false, 464 } 465 }); 466 467 cfg.skip_fn_ptrcheck(move |name| { 468 match name { 469 // dllimport weirdness? 470 _ if windows => true, 471 472 _ => false, 473 } 474 }); 475 476 cfg.skip_field_type(move |struct_, field| { 477 // This is a weird union, don't check the type. 478 (struct_ == "ifaddrs" && field == "ifa_ifu") || 479 // sighandler_t type is super weird 480 (struct_ == "sigaction" && field == "sa_sigaction") || 481 // __timeval type is a patch which doesn't exist in glibc 482 (linux && struct_ == "utmpx" && field == "ut_tv") || 483 // sigval is actually a union, but we pretend it's a struct 484 (struct_ == "sigevent" && field == "sigev_value") || 485 // aio_buf is "volatile void*" and Rust doesn't understand volatile 486 (struct_ == "aiocb" && field == "aio_buf") || 487 // stack_t.ss_sp's type changed from FreeBSD 10 to 11 in svn r294930 488 (freebsd && struct_ == "stack_t" && field == "ss_sp") 489 }); 490 491 cfg.skip_field(move |struct_, field| { 492 // this is actually a union on linux, so we can't represent it well and 493 // just insert some padding. 494 (struct_ == "siginfo_t" && field == "_pad") || 495 // musl names this __dummy1 but it's still there 496 (musl && struct_ == "glob_t" && field == "gl_flags") || 497 // musl seems to define this as an *anonymous* bitfield 498 (musl && struct_ == "statvfs" && field == "__f_unused") || 499 // sigev_notify_thread_id is actually part of a sigev_un union 500 (struct_ == "sigevent" && field == "sigev_notify_thread_id") 501 }); 502 503 cfg.fn_cname(move |name, cname| { 504 if windows { 505 cname.unwrap_or(name).to_string() 506 } else { 507 name.to_string() 508 } 509 }); 510 511 if env::var("SKIP_COMPILE").is_ok() { 512 cfg.generate_files("../src/lib.rs", "all.rs"); 513 } else { 514 cfg.generate("../src/lib.rs", "all.rs"); 515 } 516 } 517