libc-rs/libc-test/build.rs
2015-09-18 14:33:42 -07:00

248 lines
7.3 KiB
Rust

#![deny(warnings)]
extern crate ctest;
use std::env;
fn main() {
let target = env::var("TARGET").unwrap();
let windows = target.contains("windows");
let mingw = target.contains("windows-gnu");
let linux = target.contains("unknown-linux");
let android = target.contains("android");
let darwin = target.contains("apple-darwin");
let musl = target.contains("musl");
let freebsd = target.contains("freebsd");
let bsdlike = freebsd || darwin;
let mut cfg = ctest::TestGenerator::new();
// Pull in extra goodies on linux/mingw
if target.contains("unknown-linux") {
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");
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");
}
if android {
cfg.header("arpa/inet.h");
} else if !windows {
cfg.header("glob.h");
cfg.header("ifaddrs.h");
if !musl {
cfg.header("execinfo.h");
cfg.header("sys/sysctl.h");
}
}
if darwin {
cfg.header("mach-o/dyld.h");
cfg.header("mach/mach_time.h");
cfg.header("malloc/malloc.h");
cfg.header("crt_externs.h");
}
if linux || android {
cfg.header("netpacket/packet.h");
cfg.header("net/ethernet.h");
cfg.header("malloc.h");
cfg.header("sys/prctl.h");
}
if freebsd {
cfg.header("pthread_np.h");
}
cfg.type_name(move |ty, is_struct| {
match ty {
// Just pass all these through, no need for a "struct" prefix
"FILE" |
"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 {
// Our stat *_nsec fields normally don't actually exist but are part
// of a timeval struct
s if s.ends_with("_nsec") && struct_ == "stat" => {
if target2.contains("apple-darwin") {
s.replace("_nsec", "spec.tv_nsec")
} else if target2.contains("android") {
s.to_string()
} else {
s.replace("e_nsec", ".tv_nsec")
}
}
s => s.to_string(),
}
});
cfg.skip_type(move |ty| {
match ty {
// sighandler_t is crazy across platforms
"sighandler_t" => 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("PTHREAD") => true,
_ => false,
}
});
cfg.skip_fn(move |name| {
// skip those that are manually verifiedmanually verified
match name {
"execv" | // crazy stuff with const/mut
"execve" |
"execvp" |
"execvpe" => true,
"getrlimit" | // non-int in 1st arg
"setrlimit" | // 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 => true,
"dlerror" if android => true, // const-ness is added
_ => false,
}
});
// Windows dllimport oddness?
cfg.skip_fn_ptrcheck(move |_| windows);
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.generate("../src/lib.rs", "all.rs");
}