1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 //! Compilation of native dependencies like LLVM.
13 //! Native projects like LLVM unfortunately aren't suited just yet for
14 //! compilation in build scripts that Cargo has. This is because the
15 //! compilation takes a *very* long time but also because we don't want to
16 //! compile LLVM 3 times as part of a normal bootstrap (we want it cached).
18 //! LLVM and compiler-rt are essentially just wired up to everything else to
19 //! ensure that they're always in place if needed.
22 use std::ffi::OsString;
23 use std::fs::{self, File};
24 use std::io::{Read, Write};
25 use std::path::{Path, PathBuf};
26 use std::process::Command;
28 use build_helper::output;
32 use util::{self, exe};
33 use build_helper::up_to_date;
34 use builder::{Builder, RunConfig, ShouldRun, Step};
37 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
39 pub target: Interned<String>,
44 type Output = PathBuf; // path to llvm-config
46 const ONLY_HOSTS: bool = true;
48 fn should_run(run: ShouldRun) -> ShouldRun {
49 run.path("src/llvm").path("src/llvm-emscripten")
52 fn make_run(run: RunConfig) {
53 let emscripten = run.path.ends_with("llvm-emscripten");
54 run.builder.ensure(Llvm {
60 /// Compile LLVM for `target`.
61 fn run(self, builder: &Builder) -> PathBuf {
62 let target = self.target;
63 let emscripten = self.emscripten;
65 // If we're using a custom LLVM bail out here, but we can only use a
66 // custom LLVM for the build triple.
68 if let Some(config) = builder.config.target_config.get(&target) {
69 if let Some(ref s) = config.llvm_config {
70 check_llvm_version(builder, s);
71 return s.to_path_buf()
76 let rebuild_trigger = builder.src.join("src/rustllvm/llvm-rebuild-trigger");
77 let mut rebuild_trigger_contents = String::new();
78 t!(t!(File::open(&rebuild_trigger)).read_to_string(&mut rebuild_trigger_contents));
80 let (out_dir, llvm_config_ret_dir) = if emscripten {
81 let dir = builder.emscripten_llvm_out(target);
82 let config_dir = dir.join("bin");
85 let mut dir = builder.llvm_out(builder.config.build);
86 if !builder.config.build.contains("msvc") || builder.config.ninja {
89 (builder.llvm_out(target), dir.join("bin"))
91 let done_stamp = out_dir.join("llvm-finished-building");
92 let build_llvm_config = llvm_config_ret_dir
93 .join(exe("llvm-config", &*builder.config.build));
94 if done_stamp.exists() {
95 let mut done_contents = String::new();
96 t!(t!(File::open(&done_stamp)).read_to_string(&mut done_contents));
98 // If LLVM was already built previously and contents of the rebuild-trigger file
99 // didn't change from the previous build, then no action is required.
100 if done_contents == rebuild_trigger_contents {
101 return build_llvm_config
105 let _folder = builder.fold_output(|| "llvm");
106 let descriptor = if emscripten { "Emscripten " } else { "" };
107 builder.info(&format!("Building {}LLVM for {}", descriptor, target));
108 let _time = util::timeit(&builder);
109 t!(fs::create_dir_all(&out_dir));
111 // http://llvm.org/docs/CMake.html
112 let root = if self.emscripten { "src/llvm-emscripten" } else { "src/llvm" };
113 let mut cfg = cmake::Config::new(builder.src.join(root));
115 let profile = match (builder.config.llvm_optimize, builder.config.llvm_release_debuginfo) {
116 (false, _) => "Debug",
117 (true, false) => "Release",
118 (true, true) => "RelWithDebInfo",
121 // NOTE: remember to also update `config.toml.example` when changing the
123 let llvm_targets = if self.emscripten {
126 match builder.config.llvm_targets {
128 None => "X86;ARM;AArch64;Mips;PowerPC;SystemZ;MSP430;Sparc;NVPTX;Hexagon",
132 let llvm_exp_targets = if self.emscripten {
135 &builder.config.llvm_experimental_targets[..]
138 let assertions = if builder.config.llvm_assertions {"ON"} else {"OFF"};
140 cfg.out_dir(&out_dir)
142 .define("LLVM_ENABLE_ASSERTIONS", assertions)
143 .define("LLVM_TARGETS_TO_BUILD", llvm_targets)
144 .define("LLVM_EXPERIMENTAL_TARGETS_TO_BUILD", llvm_exp_targets)
145 .define("LLVM_INCLUDE_EXAMPLES", "OFF")
146 .define("LLVM_INCLUDE_TESTS", "OFF")
147 .define("LLVM_INCLUDE_DOCS", "OFF")
148 .define("LLVM_ENABLE_ZLIB", "OFF")
149 .define("WITH_POLLY", "OFF")
150 .define("LLVM_ENABLE_TERMINFO", "OFF")
151 .define("LLVM_ENABLE_LIBEDIT", "OFF")
152 .define("LLVM_PARALLEL_COMPILE_JOBS", builder.jobs().to_string())
153 .define("LLVM_TARGET_ARCH", target.split('-').next().unwrap())
154 .define("LLVM_DEFAULT_TARGET_TRIPLE", target);
156 if builder.config.llvm_thin_lto && !emscripten {
157 cfg.define("LLVM_ENABLE_LTO", "Thin")
158 .define("LLVM_ENABLE_LLD", "ON");
161 // By default, LLVM will automatically find OCaml and, if it finds it,
162 // install the LLVM bindings in LLVM_OCAML_INSTALL_PATH, which defaults
163 // to /usr/bin/ocaml.
164 // This causes problem for non-root builds of Rust. Side-step the issue
165 // by setting LLVM_OCAML_INSTALL_PATH to a relative path, so it installs
167 cfg.define("LLVM_OCAML_INSTALL_PATH",
168 env::var_os("LLVM_OCAML_INSTALL_PATH").unwrap_or_else(|| "usr/lib/ocaml".into()));
170 let want_lldb = builder.config.lldb_enabled && !self.emscripten;
172 // This setting makes the LLVM tools link to the dynamic LLVM library,
173 // which saves both memory during parallel links and overall disk space
174 // for the tools. We don't do this on every platform as it doesn't work
175 // equally well everywhere.
176 if builder.llvm_link_tools_dynamically(target) && !emscripten {
177 cfg.define("LLVM_LINK_LLVM_DYLIB", "ON");
180 // For distribution we want the LLVM tools to be *statically* linked to libstdc++
181 if builder.config.llvm_tools_enabled || want_lldb {
182 if !target.contains("windows") {
183 if target.contains("apple") {
184 cfg.define("CMAKE_EXE_LINKER_FLAGS", "-static-libstdc++");
186 cfg.define("CMAKE_EXE_LINKER_FLAGS", "-Wl,-Bsymbolic -static-libstdc++");
191 if target.contains("msvc") {
192 cfg.define("LLVM_USE_CRT_DEBUG", "MT");
193 cfg.define("LLVM_USE_CRT_RELEASE", "MT");
194 cfg.define("LLVM_USE_CRT_RELWITHDEBINFO", "MT");
195 cfg.static_crt(true);
198 if target.starts_with("i686") {
199 cfg.define("LLVM_BUILD_32_BITS", "ON");
203 cfg.define("LLVM_EXTERNAL_CLANG_SOURCE_DIR", builder.src.join("src/tools/clang"));
204 cfg.define("LLVM_EXTERNAL_LLDB_SOURCE_DIR", builder.src.join("src/tools/lldb"));
205 // For the time being, disable code signing.
206 cfg.define("LLDB_CODESIGN_IDENTITY", "");
208 // LLDB requires libxml2; but otherwise we want it to be disabled.
209 // See https://github.com/rust-lang/rust/pull/50104
210 cfg.define("LLVM_ENABLE_LIBXML2", "OFF");
213 if let Some(num_linkers) = builder.config.llvm_link_jobs {
215 cfg.define("LLVM_PARALLEL_LINK_JOBS", num_linkers.to_string());
219 // http://llvm.org/docs/HowToCrossCompileLLVM.html
220 if target != builder.config.build && !emscripten {
221 builder.ensure(Llvm {
222 target: builder.config.build,
225 // FIXME: if the llvm root for the build triple is overridden then we
226 // should use llvm-tblgen from there, also should verify that it
227 // actually exists most of the time in normal installs of LLVM.
228 let host = builder.llvm_out(builder.config.build).join("bin/llvm-tblgen");
229 cfg.define("CMAKE_CROSSCOMPILING", "True")
230 .define("LLVM_TABLEGEN", &host);
232 if target.contains("netbsd") {
233 cfg.define("CMAKE_SYSTEM_NAME", "NetBSD");
234 } else if target.contains("freebsd") {
235 cfg.define("CMAKE_SYSTEM_NAME", "FreeBSD");
238 cfg.define("LLVM_NATIVE_BUILD", builder.llvm_out(builder.config.build).join("build"));
241 configure_cmake(builder, target, &mut cfg, false);
243 // FIXME: we don't actually need to build all LLVM tools and all LLVM
244 // libraries here, e.g. we just want a few components and a few
245 // tools. Figure out how to filter them down and only build the right
246 // tools and libs on all platforms.
248 if builder.config.dry_run {
249 return build_llvm_config;
254 t!(t!(File::create(&done_stamp)).write_all(rebuild_trigger_contents.as_bytes()));
260 fn check_llvm_version(builder: &Builder, llvm_config: &Path) {
261 if !builder.config.llvm_version_check {
265 if builder.config.dry_run {
269 let mut cmd = Command::new(llvm_config);
270 let version = output(cmd.arg("--version"));
271 let mut parts = version.split('.').take(2)
272 .filter_map(|s| s.parse::<u32>().ok());
273 if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) {
278 panic!("\n\nbad LLVM version: {}, need >=5.0\n\n", version)
281 fn configure_cmake(builder: &Builder,
282 target: Interned<String>,
283 cfg: &mut cmake::Config,
284 building_dist_binaries: bool) {
285 if builder.config.ninja {
286 cfg.generator("Ninja");
289 .host(&builder.config.build);
291 let sanitize_cc = |cc: &Path| {
292 if target.contains("msvc") {
293 OsString::from(cc.to_str().unwrap().replace("\\", "/"))
295 cc.as_os_str().to_owned()
299 // MSVC with CMake uses msbuild by default which doesn't respect these
300 // vars that we'd otherwise configure. In that case we just skip this
302 if target.contains("msvc") && !builder.config.ninja {
306 let (cc, cxx) = match builder.config.llvm_clang_cl {
307 Some(ref cl) => (cl.as_ref(), cl.as_ref()),
308 None => (builder.cc(target), builder.cxx(target).unwrap()),
311 // Handle msvc + ninja + ccache specially (this is what the bots use)
312 if target.contains("msvc") &&
313 builder.config.ninja &&
314 builder.config.ccache.is_some()
316 let mut wrap_cc = env::current_exe().expect("failed to get cwd");
317 wrap_cc.set_file_name("sccache-plus-cl.exe");
319 cfg.define("CMAKE_C_COMPILER", sanitize_cc(&wrap_cc))
320 .define("CMAKE_CXX_COMPILER", sanitize_cc(&wrap_cc));
321 cfg.env("SCCACHE_PATH",
322 builder.config.ccache.as_ref().unwrap())
323 .env("SCCACHE_TARGET", target)
324 .env("SCCACHE_CC", &cc)
325 .env("SCCACHE_CXX", &cxx);
327 // Building LLVM on MSVC can be a little ludicrous at times. We're so far
328 // off the beaten path here that I'm not really sure this is even half
329 // supported any more. Here we're trying to:
331 // * Build LLVM on MSVC
332 // * Build LLVM with `clang-cl` instead of `cl.exe`
333 // * Build a project with `sccache`
334 // * Build for 32-bit as well
335 // * Build with Ninja
337 // For `cl.exe` there are different binaries to compile 32/64 bit which
338 // we use but for `clang-cl` there's only one which internally
339 // multiplexes via flags. As a result it appears that CMake's detection
340 // of a compiler's architecture and such on MSVC **doesn't** pass any
341 // custom flags we pass in CMAKE_CXX_FLAGS below. This means that if we
342 // use `clang-cl.exe` it's always diagnosed as a 64-bit compiler which
343 // definitely causes problems since all the env vars are pointing to
346 // To hack aroudn this... again... we pass an argument that's
347 // unconditionally passed in the sccache shim. This'll get CMake to
348 // correctly diagnose it's doing a 32-bit compilation and LLVM will
349 // internally configure itself appropriately.
350 if builder.config.llvm_clang_cl.is_some() && target.contains("i686") {
351 cfg.env("SCCACHE_EXTRA_ARGS", "-m32");
354 // If ccache is configured we inform the build a little differently hwo
355 // to invoke ccache while also invoking our compilers.
356 } else if let Some(ref ccache) = builder.config.ccache {
357 cfg.define("CMAKE_C_COMPILER", ccache)
358 .define("CMAKE_C_COMPILER_ARG1", sanitize_cc(cc))
359 .define("CMAKE_CXX_COMPILER", ccache)
360 .define("CMAKE_CXX_COMPILER_ARG1", sanitize_cc(cxx));
362 cfg.define("CMAKE_C_COMPILER", sanitize_cc(cc))
363 .define("CMAKE_CXX_COMPILER", sanitize_cc(cxx));
366 cfg.build_arg("-j").build_arg(builder.jobs().to_string());
367 cfg.define("CMAKE_C_FLAGS", builder.cflags(target).join(" "));
368 let mut cxxflags = builder.cflags(target).join(" ");
369 if building_dist_binaries {
370 if builder.config.llvm_static_stdcpp && !target.contains("windows") {
371 cxxflags.push_str(" -static-libstdc++");
374 cfg.define("CMAKE_CXX_FLAGS", cxxflags);
375 if let Some(ar) = builder.ar(target) {
376 if ar.is_absolute() {
377 // LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it
378 // tries to resolve this path in the LLVM build directory.
379 cfg.define("CMAKE_AR", sanitize_cc(ar));
383 if let Some(ranlib) = builder.ranlib(target) {
384 if ranlib.is_absolute() {
385 // LLVM build breaks if `CMAKE_RANLIB` is a relative path, for some reason it
386 // tries to resolve this path in the LLVM build directory.
387 cfg.define("CMAKE_RANLIB", sanitize_cc(ranlib));
391 if env::var_os("SCCACHE_ERROR_LOG").is_some() {
392 cfg.env("RUST_LOG", "sccache=warn");
396 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
398 pub target: Interned<String>,
402 type Output = PathBuf;
403 const ONLY_HOSTS: bool = true;
405 fn should_run(run: ShouldRun) -> ShouldRun {
406 run.path("src/tools/lld")
409 fn make_run(run: RunConfig) {
410 run.builder.ensure(Lld { target: run.target });
413 /// Compile LLVM for `target`.
414 fn run(self, builder: &Builder) -> PathBuf {
415 if builder.config.dry_run {
416 return PathBuf::from("lld-out-dir-test-gen");
418 let target = self.target;
420 let llvm_config = builder.ensure(Llvm {
425 let out_dir = builder.lld_out(target);
426 let done_stamp = out_dir.join("lld-finished-building");
427 if done_stamp.exists() {
431 let _folder = builder.fold_output(|| "lld");
432 builder.info(&format!("Building LLD for {}", target));
433 let _time = util::timeit(&builder);
434 t!(fs::create_dir_all(&out_dir));
436 let mut cfg = cmake::Config::new(builder.src.join("src/tools/lld"));
437 configure_cmake(builder, target, &mut cfg, true);
439 // This is an awful, awful hack. Discovered when we migrated to using
440 // clang-cl to compile LLVM/LLD it turns out that LLD, when built out of
441 // tree, will execute `llvm-config --cmakedir` and then tell CMake about
442 // that directory for later processing. Unfortunately if this path has
443 // forward slashes in it (which it basically always does on Windows)
444 // then CMake will hit a syntax error later on as... something isn't
447 // Instead of attempting to fix this problem in upstream CMake and/or
448 // LLVM/LLD we just hack around it here. This thin wrapper will take the
449 // output from llvm-config and replace all instances of `\` with `/` to
450 // ensure we don't hit the same bugs with escaping. It means that you
451 // can't build on a system where your paths require `\` on Windows, but
452 // there's probably a lot of reasons you can't do that other than this.
453 let llvm_config_shim = env::current_exe()
455 .with_file_name("llvm-config-wrapper");
456 cfg.out_dir(&out_dir)
458 .env("LLVM_CONFIG_REAL", llvm_config)
459 .define("LLVM_CONFIG_PATH", llvm_config_shim)
460 .define("LLVM_INCLUDE_TESTS", "OFF");
464 t!(File::create(&done_stamp));
469 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
470 pub struct TestHelpers {
471 pub target: Interned<String>,
474 impl Step for TestHelpers {
477 fn should_run(run: ShouldRun) -> ShouldRun {
478 run.path("src/test/auxiliary/rust_test_helpers.c")
481 fn make_run(run: RunConfig) {
482 run.builder.ensure(TestHelpers { target: run.target })
485 /// Compiles the `rust_test_helpers.c` library which we used in various
486 /// `run-pass` test suites for ABI testing.
487 fn run(self, builder: &Builder) {
488 if builder.config.dry_run {
491 let target = self.target;
492 let dst = builder.test_helpers_out(target);
493 let src = builder.src.join("src/test/auxiliary/rust_test_helpers.c");
494 if up_to_date(&src, &dst.join("librust_test_helpers.a")) {
498 let _folder = builder.fold_output(|| "build_test_helpers");
499 builder.info("Building test helpers");
500 t!(fs::create_dir_all(&dst));
501 let mut cfg = cc::Build::new();
503 // We may have found various cross-compilers a little differently due to our
504 // extra configuration, so inform gcc of these compilers. Note, though, that
505 // on MSVC we still need gcc's detection of env vars (ugh).
506 if !target.contains("msvc") {
507 if let Some(ar) = builder.ar(target) {
510 cfg.compiler(builder.cc(target));
513 cfg.cargo_metadata(false)
516 .host(&builder.config.build)
520 .file(builder.src.join("src/test/auxiliary/rust_test_helpers.c"))
521 .compile("rust_test_helpers");
525 const OPENSSL_VERS: &'static str = "1.0.2n";
526 const OPENSSL_SHA256: &'static str =
527 "370babb75f278c39e0c50e8c4e7493bc0f18db6867478341a832a982fd15a8fe";
529 #[derive(Debug, Copy, Clone, Hash, PartialEq, Eq)]
531 pub target: Interned<String>,
534 impl Step for Openssl {
537 fn should_run(run: ShouldRun) -> ShouldRun {
541 fn run(self, builder: &Builder) {
542 if builder.config.dry_run {
545 let target = self.target;
546 let out = match builder.openssl_dir(target) {
551 let stamp = out.join(".stamp");
552 let mut contents = String::new();
553 drop(File::open(&stamp).and_then(|mut f| f.read_to_string(&mut contents)));
554 if contents == OPENSSL_VERS {
557 t!(fs::create_dir_all(&out));
559 let name = format!("openssl-{}.tar.gz", OPENSSL_VERS);
560 let tarball = out.join(&name);
561 if !tarball.exists() {
562 let tmp = tarball.with_extension("tmp");
563 // originally from https://www.openssl.org/source/...
564 let url = format!("https://s3-us-west-1.amazonaws.com/rust-lang-ci2/rust-ci-mirror/{}",
566 let mut last_error = None;
568 let status = Command::new("curl")
570 .arg("-f") // make curl fail if the URL does not return HTTP 200
573 .expect("failed to spawn curl");
575 // Retry if download failed.
576 if !status.success() {
577 last_error = Some(status.to_string());
581 // Ensure the hash is correct.
582 let mut shasum = if target.contains("apple") ||
583 builder.config.build.contains("netbsd") {
584 let mut cmd = Command::new("shasum");
585 cmd.arg("-a").arg("256");
588 Command::new("sha256sum")
590 let output = output(&mut shasum.arg(&tmp));
591 let found = output.split_whitespace().next().unwrap();
593 // If the hash is wrong, probably the download is incomplete or S3 served an error
594 // page. In any case, retry.
595 if found != OPENSSL_SHA256 {
596 last_error = Some(format!(
597 "downloaded openssl sha256 different\n\
606 // Everything is fine, so exit the retry loop.
610 if let Some(error) = last_error {
611 panic!("failed to download openssl source: {}", error);
613 t!(fs::rename(&tmp, &tarball));
615 let obj = out.join(format!("openssl-{}", OPENSSL_VERS));
616 let dst = builder.openssl_install_dir(target).unwrap();
617 drop(fs::remove_dir_all(&obj));
618 drop(fs::remove_dir_all(&dst));
619 builder.run(Command::new("tar").arg("zxf").arg(&tarball).current_dir(&out));
621 let mut configure = Command::new("perl");
622 configure.arg(obj.join("Configure"));
623 configure.arg(format!("--prefix={}", dst.display()));
624 configure.arg("no-dso");
625 configure.arg("no-ssl2");
626 configure.arg("no-ssl3");
628 let os = match &*target {
629 "aarch64-linux-android" => "linux-aarch64",
630 "aarch64-unknown-linux-gnu" => "linux-aarch64",
631 "aarch64-unknown-linux-musl" => "linux-aarch64",
632 "aarch64-unknown-netbsd" => "BSD-generic64",
633 "arm-linux-androideabi" => "android",
634 "arm-unknown-linux-gnueabi" => "linux-armv4",
635 "arm-unknown-linux-gnueabihf" => "linux-armv4",
636 "armv6-unknown-netbsd-eabihf" => "BSD-generic32",
637 "armv7-linux-androideabi" => "android-armv7",
638 "armv7-unknown-linux-gnueabihf" => "linux-armv4",
639 "armv7-unknown-netbsd-eabihf" => "BSD-generic32",
640 "i586-unknown-linux-gnu" => "linux-elf",
641 "i586-unknown-linux-musl" => "linux-elf",
642 "i686-apple-darwin" => "darwin-i386-cc",
643 "i686-linux-android" => "android-x86",
644 "i686-unknown-freebsd" => "BSD-x86-elf",
645 "i686-unknown-linux-gnu" => "linux-elf",
646 "i686-unknown-linux-musl" => "linux-elf",
647 "i686-unknown-netbsd" => "BSD-x86-elf",
648 "mips-unknown-linux-gnu" => "linux-mips32",
649 "mips64-unknown-linux-gnuabi64" => "linux64-mips64",
650 "mips64el-unknown-linux-gnuabi64" => "linux64-mips64",
651 "mipsel-unknown-linux-gnu" => "linux-mips32",
652 "powerpc-unknown-linux-gnu" => "linux-ppc",
653 "powerpc-unknown-linux-gnuspe" => "linux-ppc",
654 "powerpc-unknown-netbsd" => "BSD-generic32",
655 "powerpc64-unknown-linux-gnu" => "linux-ppc64",
656 "powerpc64le-unknown-linux-gnu" => "linux-ppc64le",
657 "powerpc64le-unknown-linux-musl" => "linux-ppc64le",
658 "s390x-unknown-linux-gnu" => "linux64-s390x",
659 "sparc-unknown-linux-gnu" => "linux-sparcv9",
660 "sparc64-unknown-linux-gnu" => "linux64-sparcv9",
661 "sparc64-unknown-netbsd" => "BSD-sparc64",
662 "x86_64-apple-darwin" => "darwin64-x86_64-cc",
663 "x86_64-linux-android" => "linux-x86_64",
664 "x86_64-unknown-freebsd" => "BSD-x86_64",
665 "x86_64-unknown-dragonfly" => "BSD-x86_64",
666 "x86_64-unknown-linux-gnu" => "linux-x86_64",
667 "x86_64-unknown-linux-gnux32" => "linux-x32",
668 "x86_64-unknown-linux-musl" => "linux-x86_64",
669 "x86_64-unknown-netbsd" => "BSD-x86_64",
670 _ => panic!("don't know how to configure OpenSSL for {}", target),
673 configure.env("CC", builder.cc(target));
674 for flag in builder.cflags(target) {
677 // There is no specific os target for android aarch64 or x86_64,
678 // so we need to pass some extra cflags
679 if target == "aarch64-linux-android" || target == "x86_64-linux-android" {
680 configure.arg("-mandroid");
681 configure.arg("-fomit-frame-pointer");
683 if target == "sparc64-unknown-netbsd" {
684 // Need -m64 to get assembly generated correctly for sparc64.
685 configure.arg("-m64");
686 if builder.config.build.contains("netbsd") {
687 // Disable sparc64 asm on NetBSD builders, it uses
688 // m4(1)'s -B flag, which NetBSD m4 does not support.
689 configure.arg("no-asm");
693 // Non-PIE linker support was removed in Lollipop
694 // https://source.android.com/security/enhancements/enhancements50
695 if target == "i686-linux-android" {
696 configure.arg("no-asm");
698 configure.current_dir(&obj);
699 builder.info(&format!("Configuring openssl for {}", target));
700 builder.run_quiet(&mut configure);
701 builder.info(&format!("Building openssl for {}", target));
702 builder.run_quiet(Command::new("make").arg("-j1").current_dir(&obj));
703 builder.info(&format!("Installing openssl for {}", target));
704 builder.run_quiet(Command::new("make").arg("install").arg("-j1").current_dir(&obj));
706 let mut f = t!(File::create(&stamp));
707 t!(f.write_all(OPENSSL_VERS.as_bytes()));