From d679b1712f7cd346d16378adf051863b78645402 Mon Sep 17 00:00:00 2001
From: Fabio Valentini <decathorpe@gmail.com>
Date: Thu, 25 Apr 2024 17:03:41 +0200
Subject: [PATCH] unconditionally use pkg-config to link with system libcurl
---
build.rs | 586 +------------------------------------------------------
1 file changed, 5 insertions(+), 581 deletions(-)
diff --git a/build.rs b/build.rs
index 7cc5831..497789c 100644
--- a/build.rs
+++ b/build.rs
@@ -1,610 +1,34 @@
-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@", "8.6.0"),
- )
- .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_memrchr.c")
- .file("curl/lib/curl_range.c")
- .file("curl/lib/curl_threads.c")
- .file("curl/lib/curl_trc.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_osslq.c")
- .file("curl/lib/vquic/curl_quiche.c")
- .file("curl/lib/vquic/vquic.c")
- .file("curl/lib/vquic/vquic-tls.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=CoreServices");
- 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
+ try_pkg_config();
}
-fn try_pkg_config() -> bool {
+fn try_pkg_config() {
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;
- }
- };
+ let lib = cfg.probe("libcurl").unwrap();
- // 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;
+ panic!("System libcurl was built without HTTP/2 support.");
}
- // 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;
- }
- };
+ let output = Command::new("curl-config").arg("--features").output().unwrap();
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
-}
--
2.44.0