blob: 67c2772753e268e7c9328bba92188b55be59335b [file] [log] [blame]
use std::env;
use std::fs;
use std::path::{Path, PathBuf};
use std::process::Command;
fn main() {
println!("cargo:rerun-if-changed=curl");
let target = env::var("TARGET").unwrap();
let windows = target.contains("windows");
if cfg!(feature = "mesalink") {
println!("cargo:warning=MesaLink support has been removed as of curl 7.82.0, will use default TLS backend instead.");
}
// This feature trumps all others, and is largely set by rustbuild to force
// usage of the system library to ensure that we're always building an
// ABI-compatible Cargo.
if cfg!(feature = "force-system-lib-on-osx") && target.contains("apple") {
return println!("cargo:rustc-flags=-l curl");
}
// If the static-curl feature is disabled, probe for a system-wide libcurl.
if !cfg!(feature = "static-curl") {
// OSX ships libcurl by default, so we just use that version
// so long as it has the right features enabled.
if target.contains("apple") && (!cfg!(feature = "http2") || curl_config_reports_http2()) {
return println!("cargo:rustc-flags=-l curl");
}
// Next, fall back and try to use pkg-config if its available.
if windows {
if try_vcpkg() {
return;
}
} else if try_pkg_config() {
return;
}
}
if !Path::new("curl/.git").exists() {
let _ = Command::new("git")
.args(&["submodule", "update", "--init", "curl"])
.status();
}
if target.contains("apple") {
// On (older) OSX we need to link against the clang runtime,
// which is hidden in some non-default path.
//
// More details at https://github.com/alexcrichton/curl-rust/issues/279.
if let Some(path) = macos_link_search_path() {
println!("cargo:rustc-link-lib=clang_rt.osx");
println!("cargo:rustc-link-search={}", path);
}
}
let dst = PathBuf::from(env::var_os("OUT_DIR").unwrap());
let include = dst.join("include");
let build = dst.join("build");
println!("cargo:root={}", dst.display());
println!("cargo:include={}", include.display());
println!("cargo:static=1");
println!("cargo:rustc-cfg=libcurl_vendored");
fs::create_dir_all(include.join("curl")).unwrap();
for header in [
"curl.h",
"curlver.h",
"easy.h",
"options.h",
"header.h",
"mprintf.h",
"multi.h",
"stdcheaders.h",
"system.h",
"urlapi.h",
"typecheck-gcc.h",
"websockets.h",
]
.iter()
{
fs::copy(
format!("curl/include/curl/{}", header),
include.join("curl").join(header),
)
.unwrap();
}
let pkgconfig = dst.join("lib/pkgconfig");
fs::create_dir_all(&pkgconfig).unwrap();
let contents = fs::read_to_string("curl/libcurl.pc.in").unwrap();
fs::write(
pkgconfig.join("libcurl.pc"),
contents
.replace("@prefix@", dst.to_str().unwrap())
.replace("@exec_prefix@", "")
.replace("@libdir@", dst.join("lib").to_str().unwrap())
.replace("@includedir@", include.to_str().unwrap())
.replace("@CPPFLAG_CURL_STATICLIB@", "-DCURL_STATICLIB")
.replace("@LIBCURL_LIBS@", "")
.replace("@SUPPORT_FEATURES@", "")
.replace("@SUPPORT_PROTOCOLS@", "")
.replace("@CURLVERSION@", "8.2.1"),
)
.unwrap();
let mut cfg = cc::Build::new();
cfg.out_dir(&build)
.include("curl/lib")
.include("curl/include")
.define("BUILDING_LIBCURL", None)
.define("CURL_DISABLE_DICT", None)
.define("CURL_DISABLE_GOPHER", None)
.define("CURL_DISABLE_IMAP", None)
.define("CURL_DISABLE_LDAP", None)
.define("CURL_DISABLE_LDAPS", None)
.define("CURL_DISABLE_POP3", None)
.define("CURL_DISABLE_RTSP", None)
.define("CURL_DISABLE_SMB", None)
.define("CURL_DISABLE_SMTP", None)
.define("CURL_DISABLE_TELNET", None)
.define("CURL_DISABLE_TFTP", None)
.define("CURL_STATICLIB", None)
.define("ENABLE_IPV6", None)
.define("HAVE_ASSERT_H", None)
.define("OS", "\"unknown\"") // TODO
.define("HAVE_ZLIB_H", None)
.define("HAVE_LONGLONG", None)
.define("HAVE_LIBZ", None)
.define("HAVE_BOOL_T", None)
.define("HAVE_STDBOOL_H", None)
.file("curl/lib/asyn-thread.c")
.file("curl/lib/altsvc.c")
.file("curl/lib/base64.c")
.file("curl/lib/bufq.c")
.file("curl/lib/bufref.c")
.file("curl/lib/cfilters.c")
.file("curl/lib/cf-h1-proxy.c")
.file("curl/lib/cf-haproxy.c")
.file("curl/lib/cf-https-connect.c")
.file("curl/lib/cf-socket.c")
.file("curl/lib/conncache.c")
.file("curl/lib/connect.c")
.file("curl/lib/content_encoding.c")
.file("curl/lib/cookie.c")
.file("curl/lib/curl_addrinfo.c")
.file("curl/lib/curl_get_line.c")
.file("curl/lib/curl_log.c")
.file("curl/lib/curl_memrchr.c")
.file("curl/lib/curl_range.c")
.file("curl/lib/curl_threads.c")
.file("curl/lib/doh.c")
.file("curl/lib/dynbuf.c")
.file("curl/lib/dynhds.c")
.file("curl/lib/easy.c")
.file("curl/lib/escape.c")
.file("curl/lib/file.c")
.file("curl/lib/fileinfo.c")
.file("curl/lib/fopen.c")
.file("curl/lib/formdata.c")
.file("curl/lib/getenv.c")
.file("curl/lib/getinfo.c")
.file("curl/lib/hash.c")
.file("curl/lib/headers.c")
.file("curl/lib/hmac.c")
.file("curl/lib/hostasyn.c")
.file("curl/lib/hostip.c")
.file("curl/lib/hostip6.c")
.file("curl/lib/hsts.c")
.file("curl/lib/http.c")
.file("curl/lib/http1.c")
.file("curl/lib/http_aws_sigv4.c")
.file("curl/lib/http_chunks.c")
.file("curl/lib/http_digest.c")
.file("curl/lib/http_proxy.c")
.file("curl/lib/idn.c")
.file("curl/lib/if2ip.c")
.file("curl/lib/inet_ntop.c")
.file("curl/lib/inet_pton.c")
.file("curl/lib/llist.c")
.file("curl/lib/md5.c")
.file("curl/lib/mime.c")
.file("curl/lib/macos.c")
.file("curl/lib/mprintf.c")
.file("curl/lib/mqtt.c")
.file("curl/lib/multi.c")
.file("curl/lib/netrc.c")
.file("curl/lib/nonblock.c")
.file("curl/lib/noproxy.c")
.file("curl/lib/parsedate.c")
.file("curl/lib/progress.c")
.file("curl/lib/rand.c")
.file("curl/lib/rename.c")
.file("curl/lib/select.c")
.file("curl/lib/sendf.c")
.file("curl/lib/setopt.c")
.file("curl/lib/sha256.c")
.file("curl/lib/share.c")
.file("curl/lib/slist.c")
.file("curl/lib/socks.c")
.file("curl/lib/socketpair.c")
.file("curl/lib/speedcheck.c")
.file("curl/lib/splay.c")
.file("curl/lib/strcase.c")
.file("curl/lib/strdup.c")
.file("curl/lib/strerror.c")
.file("curl/lib/strtok.c")
.file("curl/lib/strtoofft.c")
.file("curl/lib/timeval.c")
.file("curl/lib/transfer.c")
.file("curl/lib/url.c")
.file("curl/lib/urlapi.c")
.file("curl/lib/version.c")
.file("curl/lib/vauth/digest.c")
.file("curl/lib/vauth/vauth.c")
.file("curl/lib/vquic/curl_msh3.c")
.file("curl/lib/vquic/curl_ngtcp2.c")
.file("curl/lib/vquic/curl_quiche.c")
.file("curl/lib/vquic/vquic.c")
.file("curl/lib/vtls/hostcheck.c")
.file("curl/lib/vtls/keylog.c")
.file("curl/lib/vtls/vtls.c")
.file("curl/lib/warnless.c")
.file("curl/lib/timediff.c")
.define("HAVE_GETADDRINFO", None)
.define("HAVE_GETPEERNAME", None)
.define("HAVE_GETSOCKNAME", None)
.warnings(false);
if cfg!(feature = "ntlm") {
cfg.file("curl/lib/curl_des.c")
.file("curl/lib/curl_endian.c")
.file("curl/lib/curl_gethostname.c")
.file("curl/lib/curl_ntlm_core.c")
.file("curl/lib/curl_ntlm_wb.c")
.file("curl/lib/http_ntlm.c")
.file("curl/lib/md4.c")
.file("curl/lib/vauth/ntlm.c")
.file("curl/lib/vauth/ntlm_sspi.c");
} else {
cfg.define("CURL_DISABLE_NTLM", None);
}
if cfg!(feature = "protocol-ftp") {
cfg.file("curl/lib/curl_fnmatch.c")
.file("curl/lib/ftp.c")
.file("curl/lib/ftplistparser.c")
.file("curl/lib/pingpong.c");
} else {
cfg.define("CURL_DISABLE_FTP", None);
}
if cfg!(feature = "http2") {
cfg.define("USE_NGHTTP2", None)
.define("NGHTTP2_STATICLIB", None)
.file("curl/lib/cf-h2-proxy.c")
.file("curl/lib/http2.c");
println!("cargo:rustc-cfg=link_libnghttp2");
if let Some(path) = env::var_os("DEP_NGHTTP2_ROOT") {
let path = PathBuf::from(path);
cfg.include(path.join("include"));
}
}
println!("cargo:rustc-cfg=link_libz");
if let Some(path) = env::var_os("DEP_Z_INCLUDE") {
cfg.include(path);
}
if cfg!(feature = "spnego") {
cfg.define("USE_SPNEGO", None)
.file("curl/lib/http_negotiate.c")
.file("curl/lib/vauth/vauth.c");
}
// Configure TLS backend. Since Cargo does not support mutually exclusive
// features, make sure we only compile one vtls.
if cfg!(feature = "rustls") {
cfg.define("USE_RUSTLS", None)
.file("curl/lib/vtls/rustls.c")
.include(env::var_os("DEP_RUSTLS_FFI_INCLUDE").unwrap());
} else if cfg!(feature = "windows-static-ssl") {
if windows {
cfg.define("USE_OPENSSL", None)
.file("curl/lib/vtls/openssl.c");
// We need both openssl and zlib
// Those can be installed with
// ```shell
// git clone https://github.com/microsoft/vcpkg
// cd vcpkg
// ./bootstrap-vcpkg.bat -disableMetrics
// ./vcpkg.exe integrate install
// ./vcpkg.exe install openssl:x64-windows-static-md
// ```
#[cfg(target_env = "msvc")]
vcpkg::Config::new().find_package("openssl").ok();
#[cfg(target_env = "msvc")]
vcpkg::Config::new().find_package("zlib").ok();
} else {
panic!("Not available on non windows platform")
}
} else if cfg!(feature = "ssl") {
if windows {
// For windows, spnego feature is auto on in case ssl feature is on.
// Please see definition of USE_SPNEGO in curl_setup.h for more info.
cfg.define("USE_WINDOWS_SSPI", None)
.define("USE_SCHANNEL", None)
.file("curl/lib/http_negotiate.c")
.file("curl/lib/curl_sspi.c")
.file("curl/lib/socks_sspi.c")
.file("curl/lib/vauth/spnego_sspi.c")
.file("curl/lib/vauth/vauth.c")
.file("curl/lib/vtls/schannel.c")
.file("curl/lib/vtls/schannel_verify.c")
.file("curl/lib/vtls/x509asn1.c");
} else if target.contains("-apple-") {
cfg.define("USE_SECTRANSP", None)
.file("curl/lib/vtls/sectransp.c")
.file("curl/lib/vtls/x509asn1.c");
if xcode_major_version().map_or(true, |v| v >= 9) {
// On earlier Xcode versions (<9), defining HAVE_BUILTIN_AVAILABLE
// would cause __bultin_available() to fail to compile due to
// unrecognized platform names, so we try to check for Xcode
// version first (if unknown, assume it's recent, as in >= 9).
cfg.define("HAVE_BUILTIN_AVAILABLE", "1");
}
} else {
cfg.define("USE_OPENSSL", None)
.file("curl/lib/vtls/openssl.c");
println!("cargo:rustc-cfg=link_openssl");
if let Some(path) = env::var_os("DEP_OPENSSL_INCLUDE") {
cfg.include(path);
}
}
}
// Configure platform-specific details.
if windows {
cfg.define("WIN32", None)
.define("USE_THREADS_WIN32", None)
.define("HAVE_IOCTLSOCKET_FIONBIO", None)
.define("USE_WINSOCK", None)
.file("curl/lib/bufref.c")
.file("curl/lib/system_win32.c")
.file("curl/lib/version_win32.c")
.file("curl/lib/vauth/digest_sspi.c")
.file("curl/lib/curl_multibyte.c");
if cfg!(feature = "spnego") {
cfg.file("curl/lib/vauth/spnego_sspi.c");
}
} else {
cfg.define("RECV_TYPE_ARG1", "int")
.define("HAVE_PTHREAD_H", None)
.define("HAVE_ARPA_INET_H", None)
.define("HAVE_ERRNO_H", None)
.define("HAVE_FCNTL_H", None)
.define("HAVE_NETDB_H", None)
.define("HAVE_NETINET_IN_H", None)
.define("HAVE_NETINET_TCP_H", None)
.define("HAVE_POLL_H", None)
.define("HAVE_FCNTL_O_NONBLOCK", None)
.define("HAVE_SYS_SELECT_H", None)
.define("HAVE_SYS_STAT_H", None)
.define("HAVE_SYS_TIME_H", None)
.define("HAVE_UNISTD_H", None)
.define("HAVE_RECV", None)
.define("HAVE_SELECT", None)
.define("HAVE_SEND", None)
.define("HAVE_SOCKET", None)
.define("HAVE_STERRROR_R", None)
.define("HAVE_SOCKETPAIR", None)
.define("HAVE_STRUCT_TIMEVAL", None)
.define("HAVE_SYS_UN_H", None)
.define("USE_THREADS_POSIX", None)
.define("USE_UNIX_SOCKETS", None)
.define("RECV_TYPE_ARG2", "void*")
.define("RECV_TYPE_ARG3", "size_t")
.define("RECV_TYPE_ARG4", "int")
.define("RECV_TYPE_RETV", "ssize_t")
.define("SEND_QUAL_ARG2", "const")
.define("SEND_TYPE_ARG1", "int")
.define("SEND_TYPE_ARG2", "void*")
.define("SEND_TYPE_ARG3", "size_t")
.define("SEND_TYPE_ARG4", "int")
.define("SEND_TYPE_RETV", "ssize_t")
.define("SIZEOF_CURL_OFF_T", "8")
.define("SIZEOF_INT", "4")
.define("SIZEOF_SHORT", "2");
if target.contains("-apple-") {
cfg.define("__APPLE__", None)
.define("HAVE_MACH_ABSOLUTE_TIME", None);
} else {
cfg.define("HAVE_CLOCK_GETTIME_MONOTONIC", None)
.define("HAVE_GETTIMEOFDAY", None)
// poll() on various versions of macOS are janky, so only use it
// on non-macOS unix-likes. This matches the official default
// build configuration as well.
.define("HAVE_POLL_FINE", None);
}
if cfg!(feature = "spnego") {
cfg.define("HAVE_GSSAPI", None)
.file("curl/lib/curl_gssapi.c")
.file("curl/lib/socks_gssapi.c")
.file("curl/lib/vauth/spnego_gssapi.c");
if let Some(path) = env::var_os("GSSAPI_ROOT") {
let path = PathBuf::from(path);
cfg.include(path.join("include"));
}
// Link against the MIT gssapi library. It might be desirable to add support for
// choosing between MIT and Heimdal libraries in the future.
println!("cargo:rustc-link-lib=gssapi_krb5");
}
let width = env::var("CARGO_CFG_TARGET_POINTER_WIDTH")
.unwrap()
.parse::<usize>()
.unwrap();
cfg.define("SIZEOF_SSIZE_T", Some(&(width / 8).to_string()[..]));
cfg.define("SIZEOF_SIZE_T", Some(&(width / 8).to_string()[..]));
cfg.define("SIZEOF_LONG", Some(&(width / 8).to_string()[..]));
cfg.flag("-fvisibility=hidden");
}
cfg.compile("curl");
if windows {
println!("cargo:rustc-link-lib=ws2_32");
println!("cargo:rustc-link-lib=crypt32");
}
// Illumos/Solaris requires explicit linking with libnsl
if target.contains("solaris") {
println!("cargo:rustc-link-lib=nsl");
}
if target.contains("-apple-") {
println!("cargo:rustc-link-lib=framework=Security");
println!("cargo:rustc-link-lib=framework=CoreFoundation");
println!("cargo:rustc-link-lib=framework=SystemConfiguration");
}
}
#[cfg(not(target_env = "msvc"))]
fn try_vcpkg() -> bool {
false
}
#[cfg(target_env = "msvc")]
fn try_vcpkg() -> bool {
// the import library for the dll is called libcurl_imp
let mut successful_probe_details = match vcpkg::Config::new()
.lib_names("libcurl_imp", "libcurl")
.emit_includes(true)
.probe("curl")
{
Ok(details) => Some(details),
Err(e) => {
println!("first run of vcpkg did not find libcurl: {}", e);
None
}
};
if successful_probe_details.is_none() {
match vcpkg::Config::new()
.lib_name("libcurl")
.emit_includes(true)
.probe("curl")
{
Ok(details) => successful_probe_details = Some(details),
Err(e) => println!("second run of vcpkg did not find libcurl: {}", e),
}
}
if successful_probe_details.is_some() {
// Found libcurl which depends on openssl, libssh2 and zlib
// in the a default vcpkg installation. Probe for them
// but do not fail if they are not present as we may be working
// with a customized vcpkg installation.
vcpkg::Config::new()
.lib_name("libeay32")
.lib_name("ssleay32")
.probe("openssl")
.ok();
vcpkg::probe_package("libssh2").ok();
vcpkg::Config::new()
.lib_names("zlib", "zlib1")
.probe("zlib")
.ok();
println!("cargo:rustc-link-lib=crypt32");
println!("cargo:rustc-link-lib=gdi32");
println!("cargo:rustc-link-lib=user32");
println!("cargo:rustc-link-lib=wldap32");
return true;
}
false
}
fn try_pkg_config() -> bool {
let mut cfg = pkg_config::Config::new();
cfg.cargo_metadata(false);
let lib = match cfg.probe("libcurl") {
Ok(lib) => lib,
Err(e) => {
println!(
"Couldn't find libcurl from pkgconfig ({:?}), \
compiling it from source...",
e
);
return false;
}
};
// Not all system builds of libcurl have http2 features enabled, so if we've
// got a http2-requested build then we may fall back to a build from source.
if cfg!(feature = "http2") && !curl_config_reports_http2() {
return false;
}
// Re-find the library to print cargo's metadata, then print some extra
// metadata as well.
cfg.cargo_metadata(true).probe("libcurl").unwrap();
for path in lib.include_paths.iter() {
println!("cargo:include={}", path.display());
}
true
}
fn xcode_major_version() -> Option<u8> {
let status = Command::new("xcode-select").arg("-p").status().ok()?;
if status.success() {
let output = Command::new("xcodebuild").arg("-version").output().ok()?;
if output.status.success() {
let stdout = String::from_utf8_lossy(&output.stdout);
println!("xcode version: {}", stdout);
let mut words = stdout.split_whitespace();
if words.next()? == "Xcode" {
let version = words.next()?;
return version[..version.find('.')?].parse().ok();
}
}
}
println!("unable to determine Xcode version, assuming >= 9");
None
}
fn curl_config_reports_http2() -> bool {
let output = Command::new("curl-config").arg("--features").output();
let output = match output {
Ok(out) => out,
Err(e) => {
println!("failed to run curl-config ({}), building from source", e);
return false;
}
};
if !output.status.success() {
println!("curl-config failed: {}", output.status);
return false;
}
let stdout = String::from_utf8_lossy(&output.stdout);
if !stdout.contains("HTTP2") {
println!(
"failed to find http-2 feature enabled in pkg-config-found \
libcurl, building from source"
);
return false;
}
true
}
fn macos_link_search_path() -> Option<String> {
let output = cc::Build::new()
.get_compiler()
.to_command()
.arg("--print-search-dirs")
.output()
.ok()?;
if !output.status.success() {
println!(
"failed to run 'clang --print-search-dirs', continuing without a link search path"
);
return None;
}
let stdout = String::from_utf8_lossy(&output.stdout);
for line in stdout.lines() {
if line.contains("libraries: =") {
let path = line.split('=').nth(1)?;
if !path.is_empty() {
return Some(format!("{}/lib/darwin", path));
}
}
}
println!("failed to determine link search path, continuing without it");
None
}