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.header("ctype.h"); 68 cfg.header("dirent.h"); 69 if openbsd { 70 cfg.header("sys/socket.h"); 71 } 72 cfg.header("net/if.h"); 73 cfg.header("netdb.h"); 74 cfg.header("netinet/in.h"); 75 cfg.header("netinet/ip.h"); 76 cfg.header("netinet/tcp.h"); 77 cfg.header("pthread.h"); 78 cfg.header("dlfcn.h"); 79 cfg.header("signal.h"); 80 cfg.header("string.h"); 81 cfg.header("sys/file.h"); 82 cfg.header("sys/ioctl.h"); 83 cfg.header("sys/mman.h"); 84 cfg.header("sys/resource.h"); 85 cfg.header("sys/socket.h"); 86 cfg.header("sys/time.h"); 87 cfg.header("sys/un.h"); 88 cfg.header("sys/wait.h"); 89 cfg.header("unistd.h"); 90 cfg.header("utime.h"); 91 cfg.header("pwd.h"); 92 cfg.header("grp.h"); 93 cfg.header("sys/utsname.h"); 94 cfg.header("sys/ptrace.h"); 95 cfg.header("sys/mount.h"); 96 cfg.header("sys/uio.h"); 97 cfg.header("sched.h"); 98 cfg.header("termios.h"); 99 cfg.header("poll.h"); 100 cfg.header("syslog.h"); 101 cfg.header("semaphore.h"); 102 } 103 104 if android { 105 cfg.header("arpa/inet.h"); 106 cfg.header("time64.h"); 107 cfg.header("xlocale.h"); 108 cfg.header("utmp.h"); 109 } else if !windows { 110 cfg.header("glob.h"); 111 cfg.header("ifaddrs.h"); 112 cfg.header("sys/statvfs.h"); 113 cfg.header("langinfo.h"); 114 115 if !openbsd && !freebsd && !dragonfly { 116 cfg.header("sys/quota.h"); 117 } 118 119 if !musl { 120 cfg.header("sys/sysctl.h"); 121 122 if !netbsd && !openbsd { 123 cfg.header("execinfo.h"); 124 cfg.header("xlocale.h"); 125 } 126 127 if openbsd { 128 cfg.header("utmp.h"); 129 } else { 130 cfg.header("utmpx.h"); 131 } 132 } 133 } 134 135 if apple { 136 cfg.header("mach-o/dyld.h"); 137 cfg.header("mach/mach_time.h"); 138 cfg.header("malloc/malloc.h"); 139 cfg.header("util.h"); 140 if target.starts_with("x86") { 141 cfg.header("crt_externs.h"); 142 } 143 } 144 145 if bsdlike { 146 cfg.header("sys/event.h"); 147 148 if freebsd { 149 cfg.header("libutil.h"); 150 } else { 151 cfg.header("util.h"); 152 } 153 } 154 155 if linux { 156 cfg.header("mqueue.h"); 157 cfg.header("ucontext.h"); 158 cfg.header("sys/signalfd.h"); 159 cfg.header("sys/xattr.h"); 160 cfg.header("sys/ipc.h"); 161 cfg.header("sys/shm.h"); 162 cfg.header("pty.h"); 163 } 164 165 if linux || android { 166 cfg.header("malloc.h"); 167 cfg.header("net/ethernet.h"); 168 cfg.header("netpacket/packet.h"); 169 cfg.header("sched.h"); 170 cfg.header("sys/epoll.h"); 171 cfg.header("sys/eventfd.h"); 172 cfg.header("sys/prctl.h"); 173 cfg.header("sys/sendfile.h"); 174 cfg.header("sys/vfs.h"); 175 cfg.header("sys/syscall.h"); 176 cfg.header("sys/sysinfo.h"); 177 cfg.header("sys/reboot.h"); 178 if !musl { 179 cfg.header("linux/netlink.h"); 180 cfg.header("linux/magic.h"); 181 cfg.header("linux/reboot.h"); 182 183 if !mips { 184 cfg.header("linux/quota.h"); 185 } 186 } 187 } 188 189 if freebsd { 190 cfg.header("pthread_np.h"); 191 cfg.header("sched.h"); 192 cfg.header("ufs/ufs/quota.h"); 193 } 194 195 if netbsd { 196 cfg.header("ufs/ufs/quota.h"); 197 cfg.header("ufs/ufs/quota1.h"); 198 cfg.header("sys/ioctl_compat.h"); 199 } 200 201 if openbsd { 202 cfg.header("ufs/ufs/quota.h"); 203 cfg.header("rpcsvc/rex.h"); 204 cfg.header("pthread_np.h"); 205 cfg.header("sys/syscall.h"); 206 } 207 208 if dragonfly { 209 cfg.header("ufs/ufs/quota.h"); 210 cfg.header("pthread_np.h"); 211 cfg.header("sys/ioctl_compat.h"); 212 } 213 214 cfg.type_name(move |ty, is_struct| { 215 match ty { 216 // Just pass all these through, no need for a "struct" prefix 217 "FILE" | 218 "fd_set" | 219 "Dl_info" | 220 "DIR" => ty.to_string(), 221 222 // Fixup a few types on windows that don't actually exist. 223 "time64_t" if windows => "__time64_t".to_string(), 224 "ssize_t" if windows => "SSIZE_T".to_string(), 225 226 // OSX calls this something else 227 "sighandler_t" if bsdlike => "sig_t".to_string(), 228 229 t if t.ends_with("_t") => t.to_string(), 230 231 // Windows uppercase structs don't have `struct` in front, there's a 232 // few special cases for windows, and then otherwise put `struct` in 233 // front of everything. 234 t if is_struct => { 235 if windows && ty.chars().next().unwrap().is_uppercase() { 236 t.to_string() 237 } else if windows && t == "stat" { 238 "struct __stat64".to_string() 239 } else if windows && t == "utimbuf" { 240 "struct __utimbuf64".to_string() 241 } else { 242 format!("struct {}", t) 243 } 244 } 245 246 t => t.to_string(), 247 } 248 }); 249 250 let target2 = target.clone(); 251 cfg.field_name(move |struct_, field| { 252 match field { 253 "st_birthtime" if openbsd && struct_ == "stat" => "__st_birthtime".to_string(), 254 "st_birthtime_nsec" if openbsd && struct_ == "stat" => "__st_birthtimensec".to_string(), 255 // Our stat *_nsec fields normally don't actually exist but are part 256 // of a timeval struct 257 s if s.ends_with("_nsec") && struct_.starts_with("stat") => { 258 if target2.contains("apple") { 259 s.replace("_nsec", "spec.tv_nsec") 260 } else if target2.contains("android") { 261 s.to_string() 262 } else { 263 s.replace("e_nsec", ".tv_nsec") 264 } 265 } 266 "u64" if struct_ == "epoll_event" => "data.u64".to_string(), 267 s => s.to_string(), 268 } 269 }); 270 271 cfg.skip_type(move |ty| { 272 match ty { 273 // sighandler_t is crazy across platforms 274 "sighandler_t" => true, 275 276 _ => false 277 } 278 }); 279 280 cfg.skip_struct(move |ty| { 281 match ty { 282 "sockaddr_nl" => musl, 283 284 // The alignment of this is 4 on 64-bit OSX... 285 "kevent" if apple && x86_64 => true, 286 287 _ => false 288 } 289 }); 290 291 cfg.skip_signededness(move |c| { 292 match c { 293 "LARGE_INTEGER" | 294 "mach_timebase_info_data_t" | 295 "float" | 296 "double" => true, 297 // uuid_t is a struct, not an integer. 298 "uuid_t" if dragonfly => true, 299 n if n.starts_with("pthread") => true, 300 // sem_t is a struct or pointer 301 "sem_t" if openbsd || freebsd || rumprun => true, 302 303 // windows-isms 304 n if n.starts_with("P") => true, 305 n if n.starts_with("H") => true, 306 n if n.starts_with("LP") => true, 307 _ => false, 308 } 309 }); 310 311 cfg.skip_const(move |name| { 312 match name { 313 // Apparently these don't exist in mingw headers? 314 "MEM_RESET_UNDO" | 315 "FILE_ATTRIBUTE_NO_SCRUB_DATA" | 316 "FILE_ATTRIBUTE_INTEGRITY_STREAM" | 317 "ERROR_NOTHING_TO_TERMINATE" if mingw => true, 318 319 "SIG_IGN" => true, // sighandler_t weirdness 320 321 // types on musl are defined a little differently 322 n if musl && n.contains("__SIZEOF_PTHREAD") => true, 323 324 // Skip constants not defined in MUSL but just passed down to the 325 // kernel regardless 326 "RLIMIT_NLIMITS" | 327 "TCP_COOKIE_TRANSACTIONS" | 328 "RLIMIT_RTTIME" if musl => true, 329 // work around super old mips toolchain 330 "SCHED_IDLE" | "SHM_NORESERVE" => mips, 331 332 // weird signed extension or something like that? 333 "MS_NOUSER" => true, 334 "MS_RMT_MASK" => true, // updated in glibc 2.22 and musl 1.1.13 335 336 // These OSX constants are flagged as deprecated 337 "NOTE_EXIT_REPARENTED" | 338 "NOTE_REAP" if apple => true, 339 340 // The linux/quota.h header file which defines these can't be 341 // included with sys/quota.h currently on MIPS, so we don't include 342 // it and just ignore these constants 343 "QFMT_VFS_OLD" | 344 "QFMT_VFS_V0" if mips && linux => true, 345 346 _ => false, 347 } 348 }); 349 350 cfg.skip_fn(move |name| { 351 // skip those that are manually verified 352 match name { 353 "execv" | // crazy stuff with const/mut 354 "execve" | 355 "execvp" | 356 "execvpe" => true, 357 358 "getrlimit" | "getrlimit64" | // non-int in 1st arg 359 "setrlimit" | "setrlimit64" | // non-int in 1st arg 360 "prlimit" | "prlimit64" | // non-int in 2nd arg 361 "strerror_r" if linux => true, // actually xpg-something-or-other 362 363 // typed 2nd arg on linux and android 364 "gettimeofday" if linux || android || freebsd || openbsd || dragonfly => true, 365 366 // not declared in newer android toolchains 367 "getdtablesize" if android => true, 368 369 "dlerror" if android => true, // const-ness is added 370 "dladdr" if musl => true, // const-ness only added recently 371 372 // OSX has 'struct tm *const' which we can't actually represent in 373 // Rust, but is close enough to *mut 374 "timegm" if apple => true, 375 376 // OSX's daemon is deprecated in 10.5 so we'll get a warning (which 377 // we turn into an error) so just ignore it. 378 "daemon" if apple => true, 379 380 // Deprecated on OSX 381 "sem_destroy" if apple => true, 382 "sem_init" if apple => true, 383 384 // These functions presumably exist on netbsd but don't look like 385 // they're implemented on rumprun yet, just let them slide for now. 386 // Some of them look like they have headers but then don't have 387 // corresponding actual definitions either... 388 "shm_open" | 389 "shm_unlink" | 390 "syscall" | 391 "ptrace" | 392 "sigaltstack" if rumprun => true, 393 394 // There seems to be a small error in EGLIBC's eventfd.h header. The 395 // [underlying system call][1] always takes its first `count` 396 // argument as an `unsigned int`, but [EGLIBC's <sys/eventfd.h> 397 // header][2] declares it to take an `int`. [GLIBC's header][3] 398 // matches the kernel. 399 // 400 // EGLIBC is no longer actively developed, and Debian, the largest 401 // distribution that had been using it, switched back to GLIBC in 402 // April 2015. So effectively all Linux <sys/eventfd.h> headers will 403 // be using `unsigned int` soon. 404 // 405 // [1]: https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/tree/fs/eventfd.c?id=refs/tags/v3.12.51#n397 406 // [2]: http://bazaar.launchpad.net/~ubuntu-branches/ubuntu/trusty/eglibc/trusty/view/head:/sysdeps/unix/sysv/linux/sys/eventfd.h 407 // [3]: https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/sys/eventfd.h;h=6295f32e937e779e74318eb9d3bdbe76aef8a8f3;hb=4e42b5b8f89f0e288e68be7ad70f9525aebc2cff#l34 408 "eventfd" if linux => true, 409 410 // The `uname` funcion in freebsd is now an inline wrapper that 411 // delegates to another, but the symbol still exists, so don't check 412 // the symbol. 413 "uname" if freebsd => true, 414 415 _ => false, 416 } 417 }); 418 419 cfg.skip_fn_ptrcheck(move |name| { 420 match name { 421 // dllimport weirdness? 422 _ if windows => true, 423 424 _ => false, 425 } 426 }); 427 428 cfg.skip_field_type(move |struct_, field| { 429 // This is a weird union, don't check the type. 430 (struct_ == "ifaddrs" && field == "ifa_ifu") || 431 // sighandler_t type is super weird 432 (struct_ == "sigaction" && field == "sa_sigaction") 433 }); 434 435 cfg.skip_field(move |struct_, field| { 436 // this is actually a union on linux, so we can't represent it well and 437 // just insert some padding. 438 (struct_ == "siginfo_t" && field == "_pad") || 439 // musl names this __dummy1 but it's still there 440 (musl && struct_ == "glob_t" && field == "gl_flags") || 441 // musl seems to define this as an *anonymous* bitfield 442 (musl && struct_ == "statvfs" && field == "__f_unused") 443 }); 444 445 cfg.fn_cname(move |name, cname| { 446 if windows { 447 cname.unwrap_or(name).to_string() 448 } else { 449 name.to_string() 450 } 451 }); 452 453 if env::var("SKIP_COMPILE").is_ok() { 454 cfg.generate_files("../src/lib.rs", "all.rs"); 455 } else { 456 cfg.generate("../src/lib.rs", "all.rs"); 457 } 458 } 459