languages/rust
languages/rust
1
0
Fork 0
mirror of https://github.com/rust-lang/rust synced 2024-10-14 04:23:37 +00:00
Code Issues Packages Projects Releases Wiki Activity

rustbuild: Support specifying archiver and linker explicitly

Browse source
This commit is contained in:
Vadim Petrochenkov 2017-10-10 23:06:22 +03:00
parent 2689fd2402
commit 9e0fc5ccd0
29 changed files with 200 additions and 108 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
config.toml.example
View file

@ -300,7 +300,7 @@
# =============================================================================
[target.x86_64-unknown-linux-gnu]
# C compiler to be used to compiler C code and link Rust code. Note that the
# C compiler to be used to compiler C code. Note that the
# default value is platform specific, and if not specified it may also depend on
# what platform is crossing to what platform.
#cc = "cc"
@ -309,6 +309,15 @@
# This is only used for host targets.
#cxx = "c++"
# Archiver to be used to assemble static libraries compiled from C/C++ code.
# Note: an absolute path should be used, otherwise LLVM build will break.
#ar = "ar"
# Linker to be used to link Rust code. Note that the
# default value is platform specific, and if not specified it may also depend on
# what platform is crossing to what platform.
#linker = "cc"
# Path to the `llvm-config` binary of the installation of a custom LLVM to link
# against. Note that if this is specifed we don't compile LLVM at all for this
# target.

1
src/Cargo.lock generated
View file

@ -1994,7 +1994,6 @@ dependencies = [
"alloc_jemalloc 0.0.0",
"alloc_system 0.0.0",
"build_helper 0.1.0",
"cc 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"collections 0.0.0",
"compiler_builtins 0.0.0",
"core 0.0.0",

13
src/bootstrap/bin/rustc.rs
View file

@ -120,12 +120,6 @@ fn main() {
cmd.arg("-L").arg(&root);
}
// Pass down extra flags, commonly used to configure `-Clinker` when
// cross compiling.
if let Ok(s) = env::var("RUSTC_FLAGS") {
cmd.args(&s.split(" ").filter(|s| !s.is_empty()).collect::<Vec<_>>());
}
// Pass down incremental directory, if any.
if let Ok(dir) = env::var("RUSTC_INCREMENTAL") {
cmd.arg(format!("-Zincremental={}", dir));
@ -254,6 +248,13 @@ fn main() {
}
}
// Pass down extra flags, commonly used to configure `-Clinker`.
// Linker options should be set for build scripts as well,
// can't link a build script executable without a linker!
if let Ok(s) = env::var("RUSTC_FLAGS") {
cmd.args(&s.split(" ").filter(|s| !s.is_empty()).collect::<Vec<_>>());
}
let color = match env::var("RUSTC_COLOR") {
Ok(s) => usize::from_str(&s).expect("RUSTC_COLOR should be an integer"),
Err(_) => 0,

3
src/bootstrap/bin/rustdoc.rs
View file

@ -47,6 +47,9 @@ fn main() {
if env::var_os("RUSTC_FORCE_UNSTABLE").is_some() {
cmd.arg("-Z").arg("force-unstable-if-unmarked");
}
if let Some(linker) = env::var_os("RUSTDOC_LINKER") {
cmd.arg("--linker").arg(linker).arg("-Z").arg("unstable-options");
}
// Bootstrap's Cargo-command builder sets this variable to the current Rust version; let's pick
// it up so we can make rustdoc print this into the docs

50
src/bootstrap/builder.rs
View file

@ -413,13 +413,15 @@ pub fn rustdoc(&self, host: Interned<String>) -> PathBuf {
pub fn rustdoc_cmd(&self, host: Interned<String>) -> Command {
let mut cmd = Command::new(&self.out.join("bootstrap/debug/rustdoc"));
let compiler = self.compiler(self.top_stage, host);
cmd
.env("RUSTC_STAGE", compiler.stage.to_string())
.env("RUSTC_SYSROOT", self.sysroot(compiler))
.env("RUSTC_LIBDIR", self.sysroot_libdir(compiler, self.build.build))
.env("CFG_RELEASE_CHANNEL", &self.build.config.channel)
.env("RUSTDOC_REAL", self.rustdoc(host))
.env("RUSTDOC_CRATE_VERSION", self.build.rust_version());
cmd.env("RUSTC_STAGE", compiler.stage.to_string())
.env("RUSTC_SYSROOT", self.sysroot(compiler))
.env("RUSTC_LIBDIR", self.sysroot_libdir(compiler, self.build.build))
.env("CFG_RELEASE_CHANNEL", &self.build.config.channel)
.env("RUSTDOC_REAL", self.rustdoc(host))
.env("RUSTDOC_CRATE_VERSION", self.build.rust_version());
if let Some(linker) = self.build.linker(host) {
cmd.env("RUSTDOC_LINKER", linker);
}
cmd
}
@ -485,6 +487,10 @@ pub fn cargo(&self,
.env("TEST_MIRI", self.config.test_miri.to_string())
.env("RUSTC_FLAGS", self.rustc_flags(target).join(" "));
if let Some(linker) = self.build.linker(target) {
cargo.env("RUSTDOC_LINKER", linker);
}
if mode != Mode::Tool {
// Tools don't get debuginfo right now, e.g. cargo and rls don't
// get compiled with debuginfo.
@ -557,17 +563,35 @@ pub fn cargo(&self,
cargo.env("RUSTC_VERBOSE", format!("{}", self.verbosity));
// Specify some various options for build scripts used throughout
// the build.
// Throughout the build Cargo can execute a number of build scripts
// compiling C/C++ code and we need to pass compilers, archivers, flags, etc
// obtained previously to those build scripts.
// Build scripts use either the `cc` crate or `configure/make` so we pass
// the options through environment variables that are fetched and understood by both.
//
// FIXME: the guard against msvc shouldn't need to be here
if !target.contains("msvc") {
cargo.env(format!("CC_{}", target), self.cc(target))
.env(format!("AR_{}", target), self.ar(target).unwrap()) // only msvc is None
.env(format!("CFLAGS_{}", target), self.cflags(target).join(" "));
let cc = self.cc(target);
cargo.env(format!("CC_{}", target), cc)
.env("CC", cc);
let cflags = self.cflags(target).join(" ");
cargo.env(format!("CFLAGS_{}", target), cflags.clone())
.env("CFLAGS", cflags.clone());
if let Some(ar) = self.ar(target) {
let ranlib = format!("{} s", ar.display());
cargo.env(format!("AR_{}", target), ar)
.env("AR", ar)
.env(format!("RANLIB_{}", target), ranlib.clone())
.env("RANLIB", ranlib);
}
if let Ok(cxx) = self.cxx(target) {
cargo.env(format!("CXX_{}", target), cxx);
cargo.env(format!("CXX_{}", target), cxx)
.env("CXX", cxx)
.env(format!("CXXFLAGS_{}", target), cflags.clone())
.env("CXXFLAGS", cflags);
}
}

52
src/bootstrap/cc_detect.rs
View file

@ -31,20 +31,51 @@
//! ever be probed for. Instead the compilers found here will be used for
//! everything.
use std::collections::HashSet;
use std::{env, iter};
use std::path::{Path, PathBuf};
use std::process::Command;
use std::iter;
use build_helper::{cc2ar, output};
use build_helper::output;
use cc;
use Build;
use config::Target;
use cache::Interned;
// The `cc` crate doesn't provide a way to obtain a path to the detected archiver,
// so use some simplified logic here. First we respect the environment variable `AR`, then
// try to infer the archiver path from the C compiler path.
// In the future this logic should be replaced by calling into the `cc` crate.
fn cc2ar(cc: &Path, target: &str) -> Option<PathBuf> {
if let Some(ar) = env::var_os("AR") {
Some(PathBuf::from(ar))
} else if target.contains("msvc") {
None
} else if target.contains("musl") {
Some(PathBuf::from("ar"))
} else if target.contains("openbsd") {
Some(PathBuf::from("ar"))
} else {
let parent = cc.parent().unwrap();
let file = cc.file_name().unwrap().to_str().unwrap();
for suffix in &["gcc", "cc", "clang"] {
if let Some(idx) = file.rfind(suffix) {
let mut file = file[..idx].to_owned();
file.push_str("ar");
return Some(parent.join(&file));
}
}
Some(parent.join(file))
}
}
pub fn find(build: &mut Build) {
// For all targets we're going to need a C compiler for building some shims
// and such as well as for being a linker for Rust code.
for target in build.targets.iter().chain(&build.hosts).cloned().chain(iter::once(build.build)) {
let targets = build.targets.iter().chain(&build.hosts).cloned().chain(iter::once(build.build))
.collect::<HashSet<_>>();
for target in targets.into_iter() {
let mut cfg = cc::Build::new();
cfg.cargo_metadata(false).opt_level(0).warnings(false).debug(false)
.target(&target).host(&build.build);
@ -57,16 +88,23 @@ pub fn find(build: &mut Build) {
}
let compiler = cfg.get_compiler();
let ar = cc2ar(compiler.path(), &target);
let ar = if let ar @ Some(..) = config.and_then(|c| c.ar.clone()) {
ar
} else {
cc2ar(compiler.path(), &target)
};
build.verbose(&format!("CC_{} = {:?}", &target, compiler.path()));
if let Some(ref ar) = ar {
build.cc.insert(target, compiler);
if let Some(ar) = ar {
build.verbose(&format!("AR_{} = {:?}", &target, ar));
build.ar.insert(target, ar);
}
build.cc.insert(target, (compiler, ar));
}
// For all host triples we need to find a C++ compiler as well
for host in build.hosts.iter().cloned().chain(iter::once(build.build)) {
let hosts = build.hosts.iter().cloned().chain(iter::once(build.build)).collect::<HashSet<_>>();
for host in hosts.into_iter() {
let mut cfg = cc::Build::new();
cfg.cargo_metadata(false).opt_level(0).warnings(false).debug(false).cpp(true)
.target(&host).host(&build.build);

8
src/bootstrap/check.rs
View file

@ -725,6 +725,9 @@ fn run(self, builder: &Builder) {
// Avoid depending on rustdoc when we don't need it.
if mode == "rustdoc" || mode == "run-make" {
cmd.arg("--rustdoc-path").arg(builder.rustdoc(compiler.host));
if let Some(linker) = build.linker(target) {
cmd.arg("--linker").arg(linker);
}
}
cmd.arg("--src-base").arg(build.src.join("src/test").join(suite));
@ -806,6 +809,9 @@ fn run(self, builder: &Builder) {
.arg("--cflags").arg(build.cflags(target).join(" "))
.arg("--llvm-components").arg(llvm_components.trim())
.arg("--llvm-cxxflags").arg(llvm_cxxflags.trim());
if let Some(ar) = build.ar(target) {
cmd.arg("--ar").arg(ar);
}
}
}
if suite == "run-make" && !build.config.llvm_enabled {
@ -831,7 +837,7 @@ fn run(self, builder: &Builder) {
// Note that if we encounter `PATH` we make sure to append to our own `PATH`
// rather than stomp over it.
if target.contains("msvc") {
for &(ref k, ref v) in build.cc[&target].0.env() {
for &(ref k, ref v) in build.cc[&target].env() {
if k != "PATH" {
cmd.env(k, v);
}

8
src/bootstrap/config.rs
View file

@ -143,6 +143,8 @@ pub struct Target {
pub jemalloc: Option<PathBuf>,
pub cc: Option<PathBuf>,
pub cxx: Option<PathBuf>,
pub ar: Option<PathBuf>,
pub linker: Option<PathBuf>,
pub ndk: Option<PathBuf>,
pub crt_static: Option<bool>,
pub musl_root: Option<PathBuf>,
@ -282,6 +284,8 @@ struct TomlTarget {
jemalloc: Option<String>,
cc: Option<String>,
cxx: Option<String>,
ar: Option<String>,
linker: Option<String>,
android_ndk: Option<String>,
crt_static: Option<bool>,
musl_root: Option<String>,
@ -484,8 +488,10 @@ pub fn parse(args: &[String]) -> Config {
if let Some(ref s) = cfg.android_ndk {
target.ndk = Some(env::current_dir().unwrap().join(s));
}
target.cxx = cfg.cxx.clone().map(PathBuf::from);
target.cc = cfg.cc.clone().map(PathBuf::from);
target.cxx = cfg.cxx.clone().map(PathBuf::from);
target.ar = cfg.ar.clone().map(PathBuf::from);
target.linker = cfg.linker.clone().map(PathBuf::from);
target.crt_static = cfg.crt_static.clone();
target.musl_root = cfg.musl_root.clone().map(PathBuf::from);
target.qemu_rootfs = cfg.qemu_rootfs.clone().map(PathBuf::from);

23
src/bootstrap/lib.rs
View file

@ -240,10 +240,11 @@ pub struct Build {
lldb_python_dir: Option<String>,
// Runtime state filled in later on
// target -> (cc, ar)
cc: HashMap<Interned<String>, (cc::Tool, Option<PathBuf>)>,
// host -> (cc, ar)
// C/C++ compilers and archiver for all targets
cc: HashMap<Interned<String>, cc::Tool>,
cxx: HashMap<Interned<String>, cc::Tool>,
ar: HashMap<Interned<String>, PathBuf>,
// Misc
crates: HashMap<Interned<String>, Crate>,
is_sudo: bool,
ci_env: CiEnv,
@ -324,6 +325,7 @@ pub fn new(config: Config) -> Build {
rls_info,
cc: HashMap::new(),
cxx: HashMap::new(),
ar: HashMap::new(),
crates: HashMap::new(),
lldb_version: None,
lldb_python_dir: None,
@ -612,7 +614,7 @@ fn jobs(&self) -> u32 {
/// Returns the path to the C compiler for the target specified.
fn cc(&self, target: Interned<String>) -> &Path {
self.cc[&target].0.path()
self.cc[&target].path()
}
/// Returns a list of flags to pass to the C compiler for the target
@ -620,7 +622,7 @@ fn cc(&self, target: Interned<String>) -> &Path {
fn cflags(&self, target: Interned<String>) -> Vec<String> {
// Filter out -O and /O (the optimization flags) that we picked up from
// cc-rs because the build scripts will determine that for themselves.
let mut base = self.cc[&target].0.args().iter()
let mut base = self.cc[&target].args().iter()
.map(|s| s.to_string_lossy().into_owned())
.filter(|s| !s.starts_with("-O") && !s.starts_with("/O"))
.collect::<Vec<_>>();
@ -644,7 +646,11 @@ fn cflags(&self, target: Interned<String>) -> Vec<String> {
/// Returns the path to the `ar` archive utility for the target specified.
fn ar(&self, target: Interned<String>) -> Option<&Path> {
self.cc[&target].1.as_ref().map(|p| &**p)
self.ar.get(&target).map(|p| &**p)
}
fn linker(&self, target: Interned<String>) -> Option<&Path> {
self.config.target_config.get(&target).and_then(|c| c.linker.as_ref().map(|p| &**p))
}
/// Returns the path to the C++ compiler for the target specified.
@ -667,7 +673,10 @@ fn rustc_flags(&self, target: Interned<String>) -> Vec<String> {
// than an entry here.
let mut base = Vec::new();
if target != self.config.build && !target.contains("msvc") &&
if let Some(linker) = self.linker(target) {
// If linker was explictly provided, force it on all the compiled Rust code.
base.push(format!("-Clinker={}", linker.display()));
} else if target != self.config.build && !target.contains("msvc") &&
!target.contains("emscripten") {
base.push(format!("-Clinker={}", self.cc(target).display()));
}

7
src/bootstrap/native.rs
View file

@ -227,6 +227,13 @@ fn run(self, builder: &Builder) {
cfg.build_arg("-j").build_arg(build.jobs().to_string());
cfg.define("CMAKE_C_FLAGS", build.cflags(target).join(" "));
cfg.define("CMAKE_CXX_FLAGS", build.cflags(target).join(" "));
if let Some(ar) = build.ar(target) {
if ar.is_absolute() {
// LLVM build breaks if `CMAKE_AR` is a relative path, for some reason it
// tries to resolve this path in the LLVM build directory.
cfg.define("CMAKE_AR", sanitize_cc(ar));
}
}
};
configure_compilers(&mut cfg);

2
src/bootstrap/tool.rs
View file

@ -561,7 +561,7 @@ fn prepare_tool_cmd(&self, compiler: Compiler, cmd: &mut Command) {
if compiler.host.contains("msvc") {
let curpaths = env::var_os("PATH").unwrap_or_default();
let curpaths = env::split_paths(&curpaths).collect::<Vec<_>>();
for &(ref k, ref v) in self.cc[&compiler.host].0.env() {
for &(ref k, ref v) in self.cc[&compiler.host].env() {
if k != "PATH" {
continue
}

21
src/build_helper/lib.rs
View file

@ -138,27 +138,6 @@ pub fn gnu_target(target: &str) -> String {
}
}
pub fn cc2ar(cc: &Path, target: &str) -> Option<PathBuf> {
if target.contains("msvc") {
None
} else if target.contains("musl") {
Some(PathBuf::from("ar"))
} else if target.contains("openbsd") {
Some(PathBuf::from("ar"))
} else {
let parent = cc.parent().unwrap();
let file = cc.file_name().unwrap().to_str().unwrap();
for suffix in &["gcc", "cc", "clang"] {
if let Some(idx) = file.rfind(suffix) {
let mut file = file[..idx].to_owned();
file.push_str("ar");
return Some(parent.join(&file));
}
}
Some(parent.join(file))
}
}
pub fn make(host: &str) -> PathBuf {
if host.contains("bitrig") || host.contains("dragonfly") ||
host.contains("freebsd") || host.contains("netbsd") ||

15
src/liballoc_jemalloc/build.rs
View file

@ -63,15 +63,6 @@ fn main() {
_ => return,
};
let compiler = cc::Build::new().get_compiler();
// only msvc returns None for ar so unwrap is okay
let ar = build_helper::cc2ar(compiler.path(), &target).unwrap();
let cflags = compiler.args()
.iter()
.map(|s| s.to_str().unwrap())
.collect::<Vec<_>>()
.join(" ");
let mut cmd = Command::new("sh");
cmd.arg(native.src_dir.join("configure")
.to_str()
@ -79,8 +70,6 @@ fn main() {
.replace("C:\\", "/c/")
.replace("\\", "/"))
.current_dir(&native.out_dir)
.env("CC", compiler.path())
.env("EXTRA_CFLAGS", cflags.clone())
// jemalloc generates Makefile deps using GCC's "-MM" flag. This means
// that GCC will run the preprocessor, and only the preprocessor, over
// jemalloc's source files. If we don't specify CPPFLAGS, then at least
@ -89,9 +78,7 @@ fn main() {
// passed to GCC, and then GCC won't define the
// "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4" macro that jemalloc needs to
// select an atomic operation implementation.
.env("CPPFLAGS", cflags.clone())
.env("AR", &ar)
.env("RANLIB", format!("{} s", ar.display()));
.env("CPPFLAGS", env::var_os("CFLAGS").unwrap_or_default());
if target.contains("ios") {
cmd.arg("--disable-tls");

8
src/librustdoc/lib.rs
View file

@ -246,6 +246,9 @@ pub fn opts() -> Vec<RustcOptGroup> {
unstable("crate-version", |o| {
o.optopt("", "crate-version", "crate version to print into documentation", "VERSION")
}),
unstable("linker", |o| {
o.optopt("", "linker", "linker used for building executable test code", "PATH")
}),
]
}
@ -357,15 +360,16 @@ pub fn main_args(args: &[String]) -> isize {
let playground_url = matches.opt_str("playground-url");
let maybe_sysroot = matches.opt_str("sysroot").map(PathBuf::from);
let display_warnings = matches.opt_present("display-warnings");
let linker = matches.opt_str("linker");
match (should_test, markdown_input) {
(true, true) => {
return markdown::test(input, cfgs, libs, externs, test_args, maybe_sysroot, render_type,
display_warnings)
display_warnings, linker)
}
(true, false) => {
return test::run(input, cfgs, libs, externs, test_args, crate_name, maybe_sysroot,
render_type, display_warnings)
render_type, display_warnings, linker)
}
(false, true) => return markdown::render(input,
output.unwrap_or(PathBuf::from("doc")),

4
src/librustdoc/markdown.rs
View file

@ -142,7 +142,7 @@ pub fn render(input: &str, mut output: PathBuf, matches: &getopts::Matches,
/// Run any tests/code examples in the markdown file `input`.
pub fn test(input: &str, cfgs: Vec<String>, libs: SearchPaths, externs: Externs,
mut test_args: Vec<String>, maybe_sysroot: Option<PathBuf>,
render_type: RenderType, display_warnings: bool) -> isize {
render_type: RenderType, display_warnings: bool, linker: Option<String>) -> isize {
let input_str = match load_string(input) {
Ok(s) => s,
Err(LoadStringError::ReadFail) => return 1,
@ -154,7 +154,7 @@ pub fn test(input: &str, cfgs: Vec<String>, libs: SearchPaths, externs: Externs,
let mut collector = Collector::new(input.to_string(), cfgs, libs, externs,
true, opts, maybe_sysroot, None,
Some(input.to_owned()),
render_type);
render_type, linker);
if render_type == RenderType::Pulldown {
old_find_testable_code(&input_str, &mut collector, DUMMY_SP);
find_testable_code(&input_str, &mut collector, DUMMY_SP);

18
src/librustdoc/test.rs
View file

@ -61,7 +61,8 @@ pub fn run(input: &str,
crate_name: Option<String>,
maybe_sysroot: Option<PathBuf>,
render_type: RenderType,
display_warnings: bool)
display_warnings: bool,
linker: Option<String>)
-> isize {
let input_path = PathBuf::from(input);
let input = config::Input::File(input_path.clone());
@ -121,7 +122,8 @@ pub fn run(input: &str,
maybe_sysroot,
Some(codemap),
None,
render_type);
render_type,
linker);
{
let map = hir::map::map_crate(&sess, &*cstore, &mut hir_forest, &defs);
@ -180,7 +182,8 @@ fn run_test(test: &str, cratename: &str, filename: &str, cfgs: Vec<String>, libs
externs: Externs,
should_panic: bool, no_run: bool, as_test_harness: bool,
compile_fail: bool, mut error_codes: Vec<String>, opts: &TestOptions,
maybe_sysroot: Option<PathBuf>) {
maybe_sysroot: Option<PathBuf>,
linker: Option<String>) {
// the test harness wants its own `main` & top level functions, so
// never wrap the test in `fn main() { ... }`
let test = make_test(test, Some(cratename), as_test_harness, opts);
@ -201,6 +204,7 @@ fn run_test(test: &str, cratename: &str, filename: &str, cfgs: Vec<String>, libs
externs,
cg: config::CodegenOptions {
prefer_dynamic: true,
linker,
.. config::basic_codegen_options()
},
test: as_test_harness,
@ -442,13 +446,14 @@ pub struct Collector {
filename: Option<String>,
// to be removed when hoedown will be removed as well
pub render_type: RenderType,
linker: Option<String>,
}
impl Collector {
pub fn new(cratename: String, cfgs: Vec<String>, libs: SearchPaths, externs: Externs,
use_headers: bool, opts: TestOptions, maybe_sysroot: Option<PathBuf>,
codemap: Option<Rc<CodeMap>>, filename: Option<String>,
render_type: RenderType) -> Collector {
render_type: RenderType, linker: Option<String>) -> Collector {
Collector {
tests: Vec::new(),
old_tests: HashMap::new(),
@ -464,6 +469,7 @@ pub fn new(cratename: String, cfgs: Vec<String>, libs: SearchPaths, externs: Ext
codemap,
filename,
render_type,
linker,
}
}
@ -510,6 +516,7 @@ pub fn add_test(&mut self, test: String,
let cratename = self.cratename.to_string();
let opts = self.opts.clone();
let maybe_sysroot = self.maybe_sysroot.clone();
let linker = self.linker.clone();
debug!("Creating test {}: {}", name, test);
self.tests.push(testing::TestDescAndFn {
desc: testing::TestDesc {
@ -538,7 +545,8 @@ pub fn add_test(&mut self, test: String,
compile_fail,
error_codes,
&opts,
maybe_sysroot)
maybe_sysroot,
linker)
})
} {
Ok(()) => (),

1
src/libstd/Cargo.toml
View file

@ -36,7 +36,6 @@ rustc_tsan = { path = "../librustc_tsan" }
[build-dependencies]
build_helper = { path = "../build_helper" }
cc = "1.0.1"
[features]
backtrace = []

12
src/libstd/build.rs
View file

@ -11,7 +11,6 @@
#![deny(warnings)]
extern crate build_helper;
extern crate cc;
use std::env;
use std::process::Command;
@ -77,12 +76,6 @@ fn main() {
fn build_libbacktrace(host: &str, target: &str) -> Result<(), ()> {
let native = native_lib_boilerplate("libbacktrace", "libbacktrace", "backtrace", ".libs")?;
let compiler = cc::Build::new().get_compiler();
// only msvc returns None for ar so unwrap is okay
let ar = build_helper::cc2ar(compiler.path(), target).unwrap();
let mut cflags = compiler.args().iter().map(|s| s.to_str().unwrap())
.collect::<Vec<_>>().join(" ");
cflags.push_str(" -fvisibility=hidden");
run(Command::new("sh")
.current_dir(&native.out_dir)
.arg(native.src_dir.join("configure").to_str().unwrap()
@ -94,10 +87,7 @@ fn build_libbacktrace(host: &str, target: &str) -> Result<(), ()> {
.arg("--disable-host-shared")
.arg(format!("--host={}", build_helper::gnu_target(target)))
.arg(format!("--build={}", build_helper::gnu_target(host)))
.env("CC", compiler.path())
.env("AR", &ar)
.env("RANLIB", format!("{} s", ar.display()))
.env("CFLAGS", cflags),
.env("CFLAGS", env::var("CFLAGS").unwrap_or_default() + " -fvisibility=hidden"),
BuildExpectation::None);
run(Command::new(build_helper::make(host))

2
src/test/run-make/archive-duplicate-names/Makefile
View file

@ -5,7 +5,7 @@ all:
mkdir $(TMPDIR)/b
$(call COMPILE_OBJ,$(TMPDIR)/a/foo.o,foo.c)
$(call COMPILE_OBJ,$(TMPDIR)/b/foo.o,bar.c)
ar crus $(TMPDIR)/libfoo.a $(TMPDIR)/a/foo.o $(TMPDIR)/b/foo.o
$(AR) crus $(TMPDIR)/libfoo.a $(TMPDIR)/a/foo.o $(TMPDIR)/b/foo.o
$(RUSTC) foo.rs
$(RUSTC) bar.rs
$(call RUN,bar)

4
src/test/run-make/compiler-rt-works-on-mingw/Makefile
View file

@ -3,8 +3,8 @@
ifneq (,$(findstring MINGW,$(UNAME)))
ifndef IS_MSVC
all:
g++ foo.cpp -c -o $(TMPDIR)/foo.o
ar crus $(TMPDIR)/libfoo.a $(TMPDIR)/foo.o
$(CXX) foo.cpp -c -o $(TMPDIR)/foo.o
$(AR) crus $(TMPDIR)/libfoo.a $(TMPDIR)/foo.o
$(RUSTC) foo.rs -lfoo -lstdc++
$(call RUN,foo)
else

2
src/test/run-make/invalid-library/Makefile
View file

@ -2,5 +2,5 @@
all:
touch $(TMPDIR)/rust.metadata.bin
ar crus $(TMPDIR)/libfoo-ffffffff-1.0.rlib $(TMPDIR)/rust.metadata.bin
$(AR) crus $(TMPDIR)/libfoo-ffffffff-1.0.rlib $(TMPDIR)/rust.metadata.bin
$(RUSTC) foo.rs 2>&1 | grep "can't find crate for"

7
src/test/run-make/issue-19371/foo.rs
View file

@ -18,7 +18,6 @@
extern crate rustc_trans;
extern crate syntax;
use rustc::dep_graph::DepGraph;
use rustc::session::{build_session, Session};
use rustc::session::config::{basic_options, build_configuration, Input,
OutputType, OutputTypes};
@ -56,6 +55,9 @@ fn basic_sess(sysroot: PathBuf) -> (Session, Rc<CStore>) {
let mut opts = basic_options();
opts.output_types = OutputTypes::new(&[(OutputType::Exe, None)]);
opts.maybe_sysroot = Some(sysroot);
if let Ok(linker) = std::env::var("RUSTC_LINKER") {
opts.cg.linker = Some(linker);
}
let descriptions = Registry::new(&rustc::DIAGNOSTICS);
let cstore = Rc::new(CStore::new(Box::new(rustc_trans::LlvmMetadataLoader)));
@ -67,8 +69,7 @@ fn basic_sess(sysroot: PathBuf) -> (Session, Rc<CStore>) {
fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
let (sess, cstore) = basic_sess(sysroot);
let cfg = build_configuration(&sess, HashSet::new());
let control = CompileController::basic();
let input = Input::Str { name: anon_src(), input: code };
compile_input(&sess, &cstore, &input, &None, &Some(output), None, &control);
let _ = compile_input(&sess, &cstore, &input, &None, &Some(output), None, &control);
}

2
src/test/run-make/issue-22131/Makefile
View file

@ -2,6 +2,6 @@
all: foo.rs
$(RUSTC) --cfg 'feature="bar"' --crate-type lib foo.rs
$(HOST_RPATH_ENV) '$(RUSTDOC)' --test --cfg 'feature="bar"' \
$(RUSTDOC) --test --cfg 'feature="bar"' \
-L $(TMPDIR) foo.rs |\
grep -q 'foo.rs - foo (line 11) ... ok'

2
src/test/run-make/rustdoc-output-path/Makefile
View file

@ -1,4 +1,4 @@
-include ../tools.mk
all:
$(HOST_RPATH_ENV) '$(RUSTDOC)' -o "$(TMPDIR)/foo/bar/doc" foo.rs
$(RUSTDOC) -o "$(TMPDIR)/foo/bar/doc" foo.rs

4
src/test/run-make/staticlib-blank-lib/Makefile
View file

@ -1,6 +1,6 @@
-include ../tools.mk
all:
ar crus $(TMPDIR)/libfoo.a foo.rs
ar d $(TMPDIR)/libfoo.a foo.rs
$(AR) crus $(TMPDIR)/libfoo.a foo.rs
$(AR) d $(TMPDIR)/libfoo.a foo.rs
$(RUSTC) foo.rs

10
src/test/run-make/tools.mk
View file

@ -7,7 +7,13 @@ TARGET_RPATH_ENV = \
RUSTC_ORIGINAL := $(RUSTC)
BARE_RUSTC := $(HOST_RPATH_ENV) '$(RUSTC)'
BARE_RUSTDOC := $(HOST_RPATH_ENV) '$(RUSTDOC)'
RUSTC := $(BARE_RUSTC) --out-dir $(TMPDIR) -L $(TMPDIR) $(RUSTFLAGS)
RUSTDOC := $(BARE_RUSTDOC)
ifdef RUSTC_LINKER
RUSTC := $(RUSTC) -Clinker=$(RUSTC_LINKER)
RUSTDOC := $(RUSTDOC) --linker $(RUSTC_LINKER) -Z unstable-options
endif
#CC := $(CC) -L $(TMPDIR)
HTMLDOCCK := $(PYTHON) $(S)/src/etc/htmldocck.py
@ -102,13 +108,13 @@ REMOVE_DYLIBS = rm $(TMPDIR)/$(call DYLIB_GLOB,$(1))
REMOVE_RLIBS = rm $(TMPDIR)/$(call RLIB_GLOB,$(1))
%.a: %.o
ar crus $@ $<
$(AR) crus $@ $<
ifdef IS_MSVC
%.lib: lib%.o
$(MSVC_LIB) -out:`cygpath -w $@` $<
else
%.lib: lib%.o
ar crus $@ $<
$(AR) crus $@ $<
endif
%.dylib: %.o
$(CC) -dynamiclib -Wl,-dylib -o $@ $<

2
src/tools/compiletest/src/common.rs
View file

@ -201,6 +201,8 @@ pub struct Config {
pub cc: String,
pub cxx: String,
pub cflags: String,
pub ar: String,
pub linker: Option<String>,
pub llvm_components: String,
pub llvm_cxxflags: String,
pub nodejs: Option<String>,

6
src/tools/compiletest/src/main.rs
View file

@ -102,6 +102,8 @@ pub fn parse_config(args: Vec<String> ) -> Config {
.reqopt("", "cc", "path to a C compiler", "PATH")
.reqopt("", "cxx", "path to a C++ compiler", "PATH")
.reqopt("", "cflags", "flags for the C compiler", "FLAGS")
.optopt("", "ar", "path to an archiver", "PATH")
.optopt("", "linker", "path to a linker", "PATH")
.reqopt("", "llvm-components", "list of LLVM components built in", "LIST")
.reqopt("", "llvm-cxxflags", "C++ flags for LLVM", "FLAGS")
.optopt("", "nodejs", "the name of nodejs", "PATH")
@ -198,6 +200,8 @@ fn make_absolute(path: PathBuf) -> PathBuf {
cc: matches.opt_str("cc").unwrap(),
cxx: matches.opt_str("cxx").unwrap(),
cflags: matches.opt_str("cflags").unwrap(),
ar: matches.opt_str("ar").unwrap_or("ar".into()),
linker: matches.opt_str("linker"),
llvm_components: matches.opt_str("llvm-components").unwrap(),
llvm_cxxflags: matches.opt_str("llvm-cxxflags").unwrap(),
nodejs: matches.opt_str("nodejs"),
@ -234,6 +238,8 @@ pub fn log_config(config: &Config) {
logv(c, format!("adb_test_dir: {:?}", config.adb_test_dir));
logv(c, format!("adb_device_status: {}",
config.adb_device_status));
logv(c, format!("ar: {}", config.ar));
logv(c, format!("linker: {:?}", config.linker));
logv(c, format!("verbose: {}", config.verbose));
logv(c, format!("quiet: {}", config.quiet));
logv(c, "\n".to_string());

10
src/tools/compiletest/src/runtest.rs
View file

@ -1155,6 +1155,9 @@ fn document(&self, out_dir: &Path) -> ProcRes {
.arg("-o").arg(out_dir)
.arg(&self.testpaths.file)
.args(&self.props.compile_flags);
if let Some(ref linker) = self.config.linker {
rustdoc.arg("--linker").arg(linker).arg("-Z").arg("unstable-options");
}
self.compose_and_run_compiler(rustdoc, None)
}
@ -2101,6 +2104,10 @@ fn run_rmake_test(&self) {
.env("LLVM_COMPONENTS", &self.config.llvm_components)
.env("LLVM_CXXFLAGS", &self.config.llvm_cxxflags);
if let Some(ref linker) = self.config.linker {
cmd.env("RUSTC_LINKER", linker);
}
// We don't want RUSTFLAGS set from the outside to interfere with
// compiler flags set in the test cases:
cmd.env_remove("RUSTFLAGS");
@ -2123,7 +2130,8 @@ fn run_rmake_test(&self) {
.env("CXX", &self.config.cxx);
} else {
cmd.env("CC", format!("{} {}", self.config.cc, self.config.cflags))
.env("CXX", format!("{} {}", self.config.cxx, self.config.cflags));
.env("CXX", format!("{} {}", self.config.cxx, self.config.cflags))
.env("AR", &self.config.ar);
if self.config.target.contains("windows") {
cmd.env("IS_WINDOWS", "1");