//! }
//! ```
-#![doc(html_root_url = "http://alexcrichton.com/gcc-rs")]
+#![doc(html_root_url = "https://docs.rs/gcc/0.3")]
#![cfg_attr(test, deny(warnings))]
#![deny(missing_docs)]
use std::env;
use std::ffi::{OsString, OsStr};
use std::fs;
-use std::io;
use std::path::{PathBuf, Path};
use std::process::{Command, Stdio};
-use std::io::{BufReader, BufRead, Write};
+use std::io::{self, BufReader, BufRead, Read, Write};
+use std::thread;
#[cfg(windows)]
mod registry;
path: PathBuf,
args: Vec<OsString>,
env: Vec<(OsString, OsString)>,
+ family: ToolFamily
+}
+
+/// Represents the family of tools this tool belongs to.
+///
+/// Each family of tools differs in how and what arguments they accept.
+///
+/// Detection of a family is done on best-effort basis and may not accurately reflect the tool.
+#[derive(Copy, Clone, Debug)]
+enum ToolFamily {
+ /// Tool is GNU Compiler Collection-like.
+ Gnu,
+ /// Tool is Clang-like. It differs from the GCC in a sense that it accepts superset of flags
+ /// and its cross-compilation approach is different.
+ Clang,
+ /// Tool is the MSVC cl.exe.
+ Msvc,
+}
+
+impl ToolFamily {
+ /// What the flag to request debug info for this family of tools look like
+ fn debug_flag(&self) -> &'static str {
+ match *self {
+ ToolFamily::Msvc => "/Z7",
+ ToolFamily::Gnu |
+ ToolFamily::Clang => "-g",
+ }
+ }
+
+ /// What the flag to include directories into header search path looks like
+ fn include_flag(&self) -> &'static str {
+ match *self {
+ ToolFamily::Msvc => "/I",
+ ToolFamily::Gnu |
+ ToolFamily::Clang => "-I",
+ }
+ }
+
+ /// What the flag to request macro-expanded source output looks like
+ fn expand_flag(&self) -> &'static str {
+ match *self {
+ ToolFamily::Msvc => "/E",
+ ToolFamily::Gnu |
+ ToolFamily::Clang => "-E",
+ }
+ }
}
/// Compile a library from the given set of input C files.
for f in files.iter() {
c.file(*f);
}
- c.compile(output)
+ c.compile(output);
}
impl Config {
/// otherwise cargo will link against the specified library.
///
/// The given library name must not contain the `lib` prefix.
- pub fn cpp_link_stdlib(&mut self, cpp_link_stdlib: Option<&str>)
- -> &mut Config {
+ pub fn cpp_link_stdlib(&mut self, cpp_link_stdlib: Option<&str>) -> &mut Config {
self.cpp_link_stdlib = Some(cpp_link_stdlib.map(|s| s.into()));
self
}
/// be used, otherwise `-stdlib` is added to the compile invocation.
///
/// The given library name must not contain the `lib` prefix.
- pub fn cpp_set_stdlib(&mut self, cpp_set_stdlib: Option<&str>)
- -> &mut Config {
+ pub fn cpp_set_stdlib(&mut self, cpp_set_stdlib: Option<&str>) -> &mut Config {
self.cpp_set_stdlib = cpp_set_stdlib.map(|s| s.into());
self.cpp_link_stdlib(cpp_set_stdlib);
self
#[doc(hidden)]
pub fn __set_env<A, B>(&mut self, a: A, b: B) -> &mut Config
- where A: AsRef<OsStr>, B: AsRef<OsStr>
+ where A: AsRef<OsStr>,
+ B: AsRef<OsStr>
{
self.env.push((a.as_ref().to_owned(), b.as_ref().to_owned()));
self
if self.get_target().contains("msvc") {
let compiler = self.get_base_compiler();
- let atlmfc_lib = compiler.env().iter().find(|&&(ref var, _)| {
- var == OsStr::new("LIB")
- }).and_then(|&(_, ref lib_paths)| {
- env::split_paths(lib_paths).find(|path| {
- let sub = Path::new("atlmfc/lib");
- path.ends_with(sub) || path.parent().map_or(false, |p| p.ends_with(sub))
- })
- });
+ let atlmfc_lib = compiler.env()
+ .iter()
+ .find(|&&(ref var, _)| var.as_os_str() == OsStr::new("LIB"))
+ .and_then(|&(_, ref lib_paths)| {
+ env::split_paths(lib_paths).find(|path| {
+ let sub = Path::new("atlmfc/lib");
+ path.ends_with(sub) || path.parent().map_or(false, |p| p.ends_with(sub))
+ })
+ });
if let Some(atlmfc_lib) = atlmfc_lib {
- self.print(&format!("cargo:rustc-link-search=native={}",
- atlmfc_lib.display()));
+ self.print(&format!("cargo:rustc-link-search=native={}", atlmfc_lib.display()));
}
}
}
drop(rayon::initialize(cfg));
- objs.par_iter().weight_max().for_each(|&(ref src, ref dst)| {
- self.compile_object(src, dst)
- })
+ objs.par_iter().weight_max().for_each(|&(ref src, ref dst)| self.compile_object(src, dst));
}
#[cfg(not(feature = "parallel"))]
for &(ref a, ref b) in self.env.iter() {
cmd.env(a, b);
}
- (cmd, compiler.path.file_name().unwrap()
- .to_string_lossy().into_owned())
+ (cmd,
+ compiler.path
+ .file_name()
+ .unwrap()
+ .to_string_lossy()
+ .into_owned())
};
if msvc && is_asm {
cmd.arg("/Fo").arg(dst);
} else {
cmd.arg("-o").arg(&dst);
}
- cmd.arg(if msvc {"/c"} else {"-c"});
+ cmd.arg(if msvc { "/c" } else { "-c" });
cmd.arg(file);
run(&mut cmd, &name);
}
+ /// Run the compiler, returning the macro-expanded version of the input files.
+ ///
+ /// This is only relevant for C and C++ files.
+ pub fn expand(&self) -> Vec<u8> {
+ let compiler = self.get_compiler();
+ let mut cmd = compiler.to_command();
+ for &(ref a, ref b) in self.env.iter() {
+ cmd.env(a, b);
+ }
+ cmd.arg(compiler.family.expand_flag());
+ for file in self.files.iter() {
+ cmd.arg(file);
+ }
+
+ let name = compiler.path
+ .file_name()
+ .unwrap()
+ .to_string_lossy()
+ .into_owned();
+
+ run(&mut cmd, &name)
+ }
+
/// Get the compiler that's in use for this configuration.
///
/// This function will return a `Tool` which represents the culmination
/// falling back to the default configuration.
pub fn get_compiler(&self) -> Tool {
let opt_level = self.get_opt_level();
- let debug = self.get_debug();
let target = self.get_target();
- let msvc = target.contains("msvc");
- self.print(&format!("debug={} opt-level={}", debug, opt_level));
let mut cmd = self.get_base_compiler();
- let nvcc = cmd.path.to_str()
- .map(|path| path.contains("nvcc"))
+ let nvcc = cmd.path.file_name()
+ .and_then(|p| p.to_str()).map(|p| p.contains("nvcc"))
.unwrap_or(false);
- if msvc {
- cmd.args.push("/nologo".into());
- let features = env::var("CARGO_CFG_TARGET_FEATURE")
- .unwrap_or(String::new());
- if features.contains("crt-static") {
- cmd.args.push("/MT".into());
- } else {
- cmd.args.push("/MD".into());
- }
- match &opt_level[..] {
- "z" | "s" => cmd.args.push("/Os".into()),
- "2" => cmd.args.push("/O2".into()),
- "1" => cmd.args.push("/O1".into()),
- _ => {}
+ // Non-target flags
+ // If the flag is not conditioned on target variable, it belongs here :)
+ match cmd.family {
+ ToolFamily::Msvc => {
+ cmd.args.push("/nologo".into());
+ let features = env::var("CARGO_CFG_TARGET_FEATURE")
+ .unwrap_or(String::new());
+ if features.contains("crt-static") {
+ cmd.args.push("/MT".into());
+ } else {
+ cmd.args.push("/MD".into());
+ }
+ match &opt_level[..] {
+ "z" | "s" => cmd.args.push("/Os".into()),
+ "1" => cmd.args.push("/O1".into()),
+ // -O3 is a valid value for gcc and clang compilers, but not msvc. Cap to /O2.
+ "2" | "3" => cmd.args.push("/O2".into()),
+ _ => {}
+ }
}
- if target.contains("i586") {
- cmd.args.push("/ARCH:IA32".into());
+ ToolFamily::Gnu |
+ ToolFamily::Clang => {
+ cmd.args.push(format!("-O{}", opt_level).into());
+ if !nvcc {
+ cmd.args.push("-ffunction-sections".into());
+ cmd.args.push("-fdata-sections".into());
+ if self.pic.unwrap_or(!target.contains("windows-gnu")) {
+ cmd.args.push("-fPIC".into());
+ }
+ } else if self.pic.unwrap_or(false) {
+ cmd.args.push("-Xcompiler".into());
+ cmd.args.push("\'-fPIC\'".into());
+ }
}
- } else if nvcc {
- cmd.args.push(format!("-O{}", opt_level).into());
- } else {
- cmd.args.push(format!("-O{}", opt_level).into());
- cmd.args.push("-ffunction-sections".into());
- cmd.args.push("-fdata-sections".into());
}
for arg in self.envflags(if self.cpp {"CXXFLAGS"} else {"CFLAGS"}) {
cmd.args.push(arg.into());
}
- if debug {
- cmd.args.push(if msvc {"/Z7"} else {"-g"}.into());
+ if self.get_debug() {
+ cmd.args.push(cmd.family.debug_flag().into());
}
- if target.contains("-ios") {
- self.ios_flags(&mut cmd);
- } else if !msvc {
- if target.contains("i686") || target.contains("i586") {
- cmd.args.push("-m32".into());
- } else if target.contains("x86_64") || target.contains("powerpc64") {
- cmd.args.push("-m64".into());
+ // Target flags
+ match cmd.family {
+ ToolFamily::Clang => {
+ cmd.args.push(format!("--target={}", target).into());
}
-
- if !nvcc && self.pic.unwrap_or(!target.contains("i686") && !target.contains("windows-gnu")) {
- cmd.args.push("-fPIC".into());
- } else if nvcc && self.pic.unwrap_or(false) {
- cmd.args.push("-Xcompiler".into());
- cmd.args.push("\'-fPIC\'".into());
+ ToolFamily::Msvc => {
+ if target.contains("i586") {
+ cmd.args.push("/ARCH:IA32".into());
+ }
}
+ ToolFamily::Gnu => {
+ if target.contains("i686") || target.contains("i586") {
+ cmd.args.push("-m32".into());
+ } else if target.contains("x86_64") || target.contains("powerpc64") {
+ cmd.args.push("-m64".into());
+ }
- if target.contains("musl") {
- cmd.args.push("-static".into());
- }
+ if target.contains("musl") {
+ cmd.args.push("-static".into());
+ }
- // armv7 targets get to use armv7 instructions
- if target.starts_with("armv7-unknown-linux-") {
- cmd.args.push("-march=armv7-a".into());
- }
+ // armv7 targets get to use armv7 instructions
+ if target.starts_with("armv7-unknown-linux-") {
+ cmd.args.push("-march=armv7-a".into());
+ }
- // On android we can guarantee some extra float instructions
- // (specified in the android spec online)
- if target.starts_with("armv7-linux-androideabi") {
- cmd.args.push("-march=armv7-a".into());
- cmd.args.push("-mfpu=vfpv3-d16".into());
- }
+ // On android we can guarantee some extra float instructions
+ // (specified in the android spec online)
+ if target.starts_with("armv7-linux-androideabi") {
+ cmd.args.push("-march=armv7-a".into());
+ cmd.args.push("-mfpu=vfpv3-d16".into());
+ }
- // For us arm == armv6 by default
- if target.starts_with("arm-unknown-linux-") {
- cmd.args.push("-march=armv6".into());
- cmd.args.push("-marm".into());
- }
+ // For us arm == armv6 by default
+ if target.starts_with("arm-unknown-linux-") {
+ cmd.args.push("-march=armv6".into());
+ cmd.args.push("-marm".into());
+ }
- // Turn codegen down on i586 to avoid some instructions.
- if target.starts_with("i586-unknown-linux-") {
- cmd.args.push("-march=pentium".into());
- }
+ // Turn codegen down on i586 to avoid some instructions.
+ if target.starts_with("i586-unknown-linux-") {
+ cmd.args.push("-march=pentium".into());
+ }
- // Set codegen level for i686 correctly
- if target.starts_with("i686-unknown-linux-") {
- cmd.args.push("-march=i686".into());
- }
+ // Set codegen level for i686 correctly
+ if target.starts_with("i686-unknown-linux-") {
+ cmd.args.push("-march=i686".into());
+ }
- // Looks like `musl-gcc` makes is hard for `-m32` to make its way
- // all the way to the linker, so we need to actually instruct the
- // linker that we're generating 32-bit executables as well. This'll
- // typically only be used for build scripts which transitively use
- // these flags that try to compile executables.
- if target == "i686-unknown-linux-musl" {
- cmd.args.push("-Wl,-melf_i386".into());
- }
+ // Looks like `musl-gcc` makes is hard for `-m32` to make its way
+ // all the way to the linker, so we need to actually instruct the
+ // linker that we're generating 32-bit executables as well. This'll
+ // typically only be used for build scripts which transitively use
+ // these flags that try to compile executables.
+ if target == "i686-unknown-linux-musl" {
+ cmd.args.push("-Wl,-melf_i386".into());
+ }
- if target.starts_with("thumb") {
- cmd.args.push("-mthumb".into());
+ if target.starts_with("thumb") {
+ cmd.args.push("-mthumb".into());
- if target.ends_with("eabihf") {
- cmd.args.push("-mfloat-abi=hard".into())
+ if target.ends_with("eabihf") {
+ cmd.args.push("-mfloat-abi=hard".into())
+ }
}
- }
- if target.starts_with("thumbv6m") {
- cmd.args.push("-march=armv6s-m".into());
- }
- if target.starts_with("thumbv7em") {
- cmd.args.push("-march=armv7e-m".into());
+ if target.starts_with("thumbv6m") {
+ cmd.args.push("-march=armv6s-m".into());
+ }
+ if target.starts_with("thumbv7em") {
+ cmd.args.push("-march=armv7e-m".into());
- if target.ends_with("eabihf") {
- cmd.args.push("-mfpu=fpv4-sp-d16".into())
+ if target.ends_with("eabihf") {
+ cmd.args.push("-mfpu=fpv4-sp-d16".into())
+ }
+ }
+ if target.starts_with("thumbv7m") {
+ cmd.args.push("-march=armv7-m".into());
}
}
- if target.starts_with("thumbv7m") {
- cmd.args.push("-march=armv7-m".into());
- }
}
- if self.cpp && !msvc {
- if let Some(ref stdlib) = self.cpp_set_stdlib {
- cmd.args.push(format!("-stdlib=lib{}", stdlib).into());
+ if target.contains("-ios") {
+ // FIXME: potential bug. iOS is always compiled with Clang, but Gcc compiler may be
+ // detected instead.
+ self.ios_flags(&mut cmd);
+ }
+
+ if self.cpp {
+ match (self.cpp_set_stdlib.as_ref(), cmd.family) {
+ (None, _) => { }
+ (Some(stdlib), ToolFamily::Gnu) |
+ (Some(stdlib), ToolFamily::Clang) => {
+ cmd.args.push(format!("-stdlib=lib{}", stdlib).into());
+ }
+ _ => {
+ println!("cargo:warning=cpp_set_stdlib is specified, but the {:?} compiler \
+ does not support this option, ignored", cmd.family);
+ }
}
}
for directory in self.include_directories.iter() {
- cmd.args.push(if msvc {"/I"} else {"-I"}.into());
+ cmd.args.push(cmd.family.include_flag().into());
cmd.args.push(directory.into());
}
}
for &(ref key, ref value) in self.definitions.iter() {
- let lead = if msvc {"/"} else {"-"};
+ let lead = if let ToolFamily::Msvc = cmd.family {"/"} else {"-"};
if let &Some(ref value) = value {
cmd.args.push(format!("{}D{}={}", lead, key, value).into());
} else {
fn msvc_macro_assembler(&self) -> (Command, String) {
let target = self.get_target();
- let tool = if target.contains("x86_64") {"ml64.exe"} else {"ml.exe"};
- let mut cmd = windows_registry::find(&target, tool).unwrap_or_else(|| {
- self.cmd(tool)
- });
+ let tool = if target.contains("x86_64") {
+ "ml64.exe"
+ } else {
+ "ml.exe"
+ };
+ let mut cmd = windows_registry::find(&target, tool).unwrap_or_else(|| self.cmd(tool));
for directory in self.include_directories.iter() {
cmd.arg("/I").arg(directory);
}
if target.contains("msvc") {
let mut cmd = match self.archiver {
Some(ref s) => self.cmd(s),
- None => windows_registry::find(&target, "lib.exe")
- .unwrap_or(self.cmd("lib.exe")),
+ None => windows_registry::find(&target, "lib.exe").unwrap_or(self.cmd("lib.exe")),
};
let mut out = OsString::from("/OUT:");
out.push(dst);
- run(cmd.arg(out).arg("/nologo")
- .args(objects)
- .args(&self.objects), "lib.exe");
+ run(cmd.arg(out)
+ .arg("/nologo")
+ .args(objects)
+ .args(&self.objects),
+ "lib.exe");
// The Rust compiler will look for libfoo.a and foo.lib, but the
// MSVC linker will also be passed foo.lib, so be sure that both
// exist for now.
let lib_dst = dst.with_file_name(format!("{}.lib", lib_name));
let _ = fs::remove_file(&lib_dst);
- fs::hard_link(&dst, &lib_dst).or_else(|_| {
- //if hard-link fails, just copy (ignoring the number of bytes written)
- fs::copy(&dst, &lib_dst).map(|_| ())
- }).ok().expect("Copying from {:?} to {:?} failed.");;
+ fs::hard_link(&dst, &lib_dst)
+ .or_else(|_| {
+ // if hard-link fails, just copy (ignoring the number of bytes written)
+ fs::copy(&dst, &lib_dst).map(|_| ())
+ })
+ .ok()
+ .expect("Copying from {:?} to {:?} failed.");;
} else {
let ar = self.get_ar();
let cmd = ar.file_name().unwrap().to_string_lossy();
- run(self.cmd(&ar).arg("crs")
- .arg(dst)
- .args(objects)
- .args(&self.objects), &cmd);
+ run(self.cmd(&ar)
+ .arg("crs")
+ .arg(dst)
+ .args(objects)
+ .args(&self.objects),
+ &cmd);
}
}
"arm64" | "aarch64" => ArchSpec::Device("arm64"),
"i386" | "i686" => ArchSpec::Simulator("-m32"),
"x86_64" => ArchSpec::Simulator("-m64"),
- _ => fail("Unknown arch for iOS target")
+ _ => fail("Unknown arch for iOS target"),
};
let sdk = match arch {
cmd.args.push(arch.into());
cmd.args.push("-miphoneos-version-min=7.0".into());
"iphoneos"
- },
+ }
ArchSpec::Simulator(arch) => {
cmd.args.push(arch.into());
cmd.args.push("-mios-simulator-version-min=7.0".into());
for &(ref a, ref b) in self.env.iter() {
cmd.env(a, b);
}
- return cmd
+ return cmd;
}
fn get_base_compiler(&self) -> Tool {
if let Some(ref c) = self.compiler {
- return Tool::new(c.clone())
+ return Tool::new(c.clone());
}
let host = self.get_host();
let target = self.get_target();
} else {
("CC", "cl.exe", "gcc", "cc")
};
- self.env_tool(env).map(|(tool, args)| {
- let mut t = Tool::new(PathBuf::from(tool));
- for arg in args {
- t.args.push(arg.into());
- }
- return t
- }).or_else(|| {
- if target.contains("emscripten") {
- if self.cpp {
- Some(Tool::new(PathBuf::from("em++")))
- } else {
- Some(Tool::new(PathBuf::from("emcc")))
+ self.env_tool(env)
+ .map(|(tool, args)| {
+ let mut t = Tool::new(PathBuf::from(tool));
+ for arg in args {
+ t.args.push(arg.into());
}
- } else {
- None
- }
- }).or_else(|| {
- windows_registry::find_tool(&target, "cl.exe")
- }).unwrap_or_else(|| {
- let compiler = if host.contains("windows") &&
- target.contains("windows") {
- if target.contains("msvc") {
- msvc.to_string()
+ return t;
+ })
+ .or_else(|| {
+ if target.contains("emscripten") {
+ if self.cpp {
+ Some(Tool::new(PathBuf::from("em++")))
+ } else {
+ Some(Tool::new(PathBuf::from("emcc")))
+ }
} else {
- format!("{}.exe", gnu)
+ None
}
- } else if target.contains("android") {
- format!("{}-{}", target, gnu)
- } else if self.get_host() != target {
- // CROSS_COMPILE is of the form: "arm-linux-gnueabi-"
- let cc_env = self.getenv("CROSS_COMPILE");
- let cross_compile = cc_env.as_ref().map(|s| s.trim_right_matches('-'));
- let prefix = cross_compile.or(match &target[..] {
- "aarch64-unknown-linux-gnu" => Some("aarch64-linux-gnu"),
- "arm-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
- "arm-unknown-linux-gnueabihf" => Some("arm-linux-gnueabihf"),
- "arm-unknown-linux-musleabi" => Some("arm-linux-musleabi"),
- "arm-unknown-linux-musleabihf" => Some("arm-linux-musleabihf"),
- "arm-unknown-netbsdelf-eabi" => Some("arm--netbsdelf-eabi"),
- "armv6-unknown-netbsdelf-eabihf" => Some("armv6--netbsdelf-eabihf"),
- "armv7-unknown-linux-gnueabihf" => Some("arm-linux-gnueabihf"),
- "armv7-unknown-linux-musleabihf" => Some("arm-linux-musleabihf"),
- "armv7-unknown-netbsdelf-eabihf" => Some("armv7--netbsdelf-eabihf"),
- "i686-pc-windows-gnu" => Some("i686-w64-mingw32"),
- "i686-unknown-linux-musl" => Some("musl"),
- "i686-unknown-netbsdelf" => Some("i486--netbsdelf"),
- "mips-unknown-linux-gnu" => Some("mips-linux-gnu"),
- "mipsel-unknown-linux-gnu" => Some("mipsel-linux-gnu"),
- "mips64-unknown-linux-gnuabi64" => Some("mips64-linux-gnuabi64"),
- "mips64el-unknown-linux-gnuabi64" => Some("mips64el-linux-gnuabi64"),
- "powerpc-unknown-linux-gnu" => Some("powerpc-linux-gnu"),
- "powerpc-unknown-netbsd" => Some("powerpc--netbsd"),
- "powerpc64-unknown-linux-gnu" => Some("powerpc-linux-gnu"),
- "powerpc64le-unknown-linux-gnu" => Some("powerpc64le-linux-gnu"),
- "s390x-unknown-linux-gnu" => Some("s390x-linux-gnu"),
- "sparc64-unknown-netbsd" => Some("sparc64--netbsd"),
- "thumbv6m-none-eabi" => Some("arm-none-eabi"),
- "thumbv7em-none-eabi" => Some("arm-none-eabi"),
- "thumbv7em-none-eabihf" => Some("arm-none-eabi"),
- "thumbv7m-none-eabi" => Some("arm-none-eabi"),
- "x86_64-pc-windows-gnu" => Some("x86_64-w64-mingw32"),
- "x86_64-rumprun-netbsd" => Some("x86_64-rumprun-netbsd"),
- "x86_64-unknown-linux-musl" => Some("musl"),
- "x86_64-unknown-netbsd" => Some("x86_64--netbsd"),
- _ => None,
- });
- match prefix {
- Some(prefix) => format!("{}-{}", prefix, gnu),
- None => default.to_string(),
- }
- } else {
- default.to_string()
- };
- Tool::new(PathBuf::from(compiler))
- })
+ })
+ .or_else(|| windows_registry::find_tool(&target, "cl.exe"))
+ .unwrap_or_else(|| {
+ let compiler = if host.contains("windows") && target.contains("windows") {
+ if target.contains("msvc") {
+ msvc.to_string()
+ } else {
+ format!("{}.exe", gnu)
+ }
+ } else if target.contains("android") {
+ format!("{}-{}", target.replace("armv7", "arm"), gnu)
+ } else if self.get_host() != target {
+ // CROSS_COMPILE is of the form: "arm-linux-gnueabi-"
+ let cc_env = self.getenv("CROSS_COMPILE");
+ let cross_compile = cc_env.as_ref().map(|s| s.trim_right_matches('-'));
+ let prefix = cross_compile.or(match &target[..] {
+ "aarch64-unknown-linux-gnu" => Some("aarch64-linux-gnu"),
+ "arm-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
+ "arm-unknown-linux-gnueabihf" => Some("arm-linux-gnueabihf"),
+ "arm-unknown-linux-musleabi" => Some("arm-linux-musleabi"),
+ "arm-unknown-linux-musleabihf" => Some("arm-linux-musleabihf"),
+ "arm-unknown-netbsdelf-eabi" => Some("arm--netbsdelf-eabi"),
+ "armv6-unknown-netbsdelf-eabihf" => Some("armv6--netbsdelf-eabihf"),
+ "armv7-unknown-linux-gnueabihf" => Some("arm-linux-gnueabihf"),
+ "armv7-unknown-linux-musleabihf" => Some("arm-linux-musleabihf"),
+ "armv7-unknown-netbsdelf-eabihf" => Some("armv7--netbsdelf-eabihf"),
+ "i686-pc-windows-gnu" => Some("i686-w64-mingw32"),
+ "i686-unknown-linux-musl" => Some("musl"),
+ "i686-unknown-netbsdelf" => Some("i486--netbsdelf"),
+ "mips-unknown-linux-gnu" => Some("mips-linux-gnu"),
+ "mipsel-unknown-linux-gnu" => Some("mipsel-linux-gnu"),
+ "mips64-unknown-linux-gnuabi64" => Some("mips64-linux-gnuabi64"),
+ "mips64el-unknown-linux-gnuabi64" => Some("mips64el-linux-gnuabi64"),
+ "powerpc-unknown-linux-gnu" => Some("powerpc-linux-gnu"),
+ "powerpc-unknown-netbsd" => Some("powerpc--netbsd"),
+ "powerpc64-unknown-linux-gnu" => Some("powerpc-linux-gnu"),
+ "powerpc64le-unknown-linux-gnu" => Some("powerpc64le-linux-gnu"),
+ "s390x-unknown-linux-gnu" => Some("s390x-linux-gnu"),
+ "sparc64-unknown-netbsd" => Some("sparc64--netbsd"),
+ "thumbv6m-none-eabi" => Some("arm-none-eabi"),
+ "thumbv7em-none-eabi" => Some("arm-none-eabi"),
+ "thumbv7em-none-eabihf" => Some("arm-none-eabi"),
+ "thumbv7m-none-eabi" => Some("arm-none-eabi"),
+ "x86_64-pc-windows-gnu" => Some("x86_64-w64-mingw32"),
+ "x86_64-rumprun-netbsd" => Some("x86_64-rumprun-netbsd"),
+ "x86_64-unknown-linux-musl" => Some("musl"),
+ "x86_64-unknown-netbsd" => Some("x86_64--netbsd"),
+ _ => None,
+ });
+ match prefix {
+ Some(prefix) => format!("{}-{}", prefix, gnu),
+ None => default.to_string(),
+ }
+ } else {
+ default.to_string()
+ };
+ Tool::new(PathBuf::from(compiler))
+ })
}
fn get_var(&self, var_base: &str) -> Result<String, String> {
let target = self.get_target();
let host = self.get_host();
- let kind = if host == target {"HOST"} else {"TARGET"};
+ let kind = if host == target { "HOST" } else { "TARGET" };
let target_u = target.replace("-", "_");
let res = self.getenv(&format!("{}_{}", var_base, target))
.or_else(|| self.getenv(&format!("{}_{}", var_base, target_u)))
}
fn envflags(&self, name: &str) -> Vec<String> {
- self.get_var(name).unwrap_or(String::new())
- .split(|c: char| c.is_whitespace()).filter(|s| !s.is_empty())
+ self.get_var(name)
+ .unwrap_or(String::new())
+ .split(|c: char| c.is_whitespace())
+ .filter(|s| !s.is_empty())
.map(|s| s.to_string())
.collect()
}
let whitelist = ["ccache", "distcc"];
for t in whitelist.iter() {
if tool.starts_with(t) && tool[t.len()..].starts_with(" ") {
- return (t.to_string(),
- vec![tool[t.len()..].trim_left().to_string()])
+ return (t.to_string(), vec![tool[t.len()..].trim_left().to_string()]);
}
}
(tool, Vec::new())
}
fn get_ar(&self) -> PathBuf {
- self.archiver.clone().or_else(|| {
- self.get_var("AR").map(PathBuf::from).ok()
- }).unwrap_or_else(|| {
- if self.get_target().contains("android") {
- PathBuf::from(format!("{}-ar", self.get_target()))
- } else if self.get_target().contains("emscripten") {
- PathBuf::from("emar")
- } else {
- PathBuf::from("ar")
- }
- })
+ self.archiver
+ .clone()
+ .or_else(|| self.get_var("AR").map(PathBuf::from).ok())
+ .unwrap_or_else(|| {
+ if self.get_target().contains("android") {
+ PathBuf::from(format!("{}-ar", self.get_target().replace("armv7", "arm")))
+ } else if self.get_target().contains("emscripten") {
+ PathBuf::from("emar")
+ } else {
+ PathBuf::from("ar")
+ }
+ })
}
fn get_target(&self) -> String {
}
fn get_opt_level(&self) -> String {
- self.opt_level.as_ref().cloned().unwrap_or_else(|| {
- self.getenv_unwrap("OPT_LEVEL")
- })
+ self.opt_level.as_ref().cloned().unwrap_or_else(|| self.getenv_unwrap("OPT_LEVEL"))
}
fn get_debug(&self) -> bool {
}
fn get_out_dir(&self) -> PathBuf {
- self.out_dir.clone().unwrap_or_else(|| {
- env::var_os("OUT_DIR").map(PathBuf::from).unwrap()
- })
+ self.out_dir.clone().unwrap_or_else(|| env::var_os("OUT_DIR").map(PathBuf::from).unwrap())
}
fn getenv(&self, v: &str) -> Option<String> {
impl Tool {
fn new(path: PathBuf) -> Tool {
+ // Try to detect family of the tool from its name, falling back to Gnu.
+ let family = if let Some(fname) = path.file_name().and_then(|p| p.to_str()) {
+ if fname.contains("clang") {
+ ToolFamily::Clang
+ } else if fname.contains("cl") {
+ ToolFamily::Msvc
+ } else {
+ ToolFamily::Gnu
+ }
+ } else {
+ ToolFamily::Gnu
+ };
Tool {
path: path,
args: Vec::new(),
env: Vec::new(),
+ family: family
}
}
for &(ref k, ref v) in self.env.iter() {
cmd.env(k, v);
}
- return cmd
+ cmd
}
/// Returns the path for this compiler.
}
}
-fn run(cmd: &mut Command, program: &str) {
+fn run(cmd: &mut Command, program: &str) -> Vec<u8> {
println!("running: {:?}", cmd);
// Capture the standard error coming from these programs, and write it out
// with cargo:warning= prefixes. Note that this is a bit wonky to avoid
// requiring the output to be UTF-8, we instead just ship bytes from one
// location to another.
- let spawn_result = match cmd.stderr(Stdio::piped()).spawn() {
+ let (spawn_result, stdout) = match cmd.stdout(Stdio::piped()).stderr(Stdio::piped()).spawn() {
Ok(mut child) => {
let stderr = BufReader::new(child.stderr.take().unwrap());
- for line in stderr.split(b'\n').filter_map(|l| l.ok()) {
- print!("cargo:warning=");
- std::io::stdout().write_all(&line).unwrap();
- println!("");
- }
- child.wait()
+ thread::spawn(move || {
+ for line in stderr.split(b'\n').filter_map(|l| l.ok()) {
+ print!("cargo:warning=");
+ std::io::stdout().write_all(&line).unwrap();
+ println!("");
+ }
+ });
+ let mut stdout = vec![];
+ child.stdout.take().unwrap().read_to_end(&mut stdout).unwrap();
+ (child.wait(), stdout)
}
- Err(e) => Err(e),
+ Err(e) => (Err(e), vec![]),
};
let status = match spawn_result {
Ok(status) => status,
""
};
fail(&format!("failed to execute command: {}\nIs `{}` \
- not installed?{}", e, program, extra));
+ not installed?{}",
+ e,
+ program,
+ extra));
}
Err(e) => fail(&format!("failed to execute command: {}", e)),
};
if !status.success() {
fail(&format!("command did not execute successfully, got: {}", status));
}
+ stdout
}
fn fail(s: &str) -> ! {
add_env(&mut tool, "LIB", libs);
add_env(&mut tool, "PATH", path);
add_env(&mut tool, "INCLUDE", include);
- return tool
+ tool
}
}
// This logic is all tailored for MSVC, if we're not that then bail out
// early.
if !target.contains("msvc") {
- return None
+ return None;
}
// Looks like msbuild isn't located in the same location as other tools like
// cl.exe and lib.exe. To handle this we probe for it manually with
// dedicated registry keys.
if tool.contains("msbuild") {
- return find_msbuild(target)
+ return find_msbuild(target);
}
// If VCINSTALLDIR is set, then someone's probably already run vcvars and we
// should just find whatever that indicates.
if env::var_os("VCINSTALLDIR").is_some() {
- return env::var_os("PATH").and_then(|path| {
- env::split_paths(&path).map(|p| p.join(tool)).find(|p| p.exists())
- }).map(|path| {
- Tool::new(path.into())
- })
+ return env::var_os("PATH")
+ .and_then(|path| env::split_paths(&path).map(|p| p.join(tool)).find(|p| p.exists()))
+ .map(|path| Tool::new(path.into()));
}
// Ok, if we're here, now comes the fun part of the probing. Default shells
// environment variables like `LIB`, `INCLUDE`, and `PATH` to ensure that
// the tool is actually usable.
- return find_msvc_latest(tool, target, "15.0").or_else(|| {
- find_msvc_latest(tool, target, "14.0")
- }).or_else(|| {
- find_msvc_12(tool, target)
- }).or_else(|| {
- find_msvc_11(tool, target)
- });
+ return find_msvc_latest(tool, target, "15.0")
+ .or_else(|| find_msvc_latest(tool, target, "14.0"))
+ .or_else(|| find_msvc_12(tool, target))
+ .or_else(|| find_msvc_11(tool, target));
// For MSVC 14 or newer we need to find the Universal CRT as well as either
// the Windows 10 SDK or Windows 8.1 SDK.
tool.include.push(sdk_include.join("winrt"));
tool.include.push(sdk_include.join("shared"));
} else {
- return None
+ return None;
}
Some(tool.into_tool())
}
// Given a possible MSVC installation directory, we look for the linker and
// then add the MSVC library path.
fn get_tool(tool: &str, path: &Path, target: &str) -> Option<MsvcTool> {
- bin_subdir(target).into_iter().map(|(sub, host)| {
- (path.join("bin").join(sub).join(tool),
- path.join("bin").join(host))
- }).filter(|&(ref path, _)| {
- path.is_file()
- }).map(|(path, host)| {
- let mut tool = MsvcTool::new(path);
- tool.path.push(host);
- tool
- }).filter_map(|mut tool| {
- let sub = otry!(vc_lib_subdir(target));
- tool.libs.push(path.join("lib").join(sub));
- tool.include.push(path.join("include"));
- let atlmfc_path = path.join("atlmfc");
- if atlmfc_path.exists() {
- tool.libs.push(atlmfc_path.join("lib").join(sub));
- tool.include.push(atlmfc_path.join("include"));
- }
- Some(tool)
- }).next()
+ bin_subdir(target)
+ .into_iter()
+ .map(|(sub, host)| (path.join("bin").join(sub).join(tool), path.join("bin").join(host)))
+ .filter(|&(ref path, _)| path.is_file())
+ .map(|(path, host)| {
+ let mut tool = MsvcTool::new(path);
+ tool.path.push(host);
+ tool
+ })
+ .filter_map(|mut tool| {
+ let sub = otry!(vc_lib_subdir(target));
+ tool.libs.push(path.join("lib").join(sub));
+ tool.include.push(path.join("include"));
+ let atlmfc_path = path.join("atlmfc");
+ if atlmfc_path.exists() {
+ tool.libs.push(atlmfc_path.join("lib").join(sub));
+ tool.include.push(atlmfc_path.join("include"));
+ }
+ Some(tool)
+ })
+ .next()
}
// To find MSVC we look in a specific registry key for the version we are
let key = otry!(LOCAL_MACHINE.open(key.as_ref()).ok());
let root = otry!(key.query_str("KitsRoot10").ok());
let readdir = otry!(Path::new(&root).join("lib").read_dir().ok());
- let max_libdir = otry!(readdir.filter_map(|dir| {
- dir.ok()
- }).map(|dir| {
- dir.path()
- }).filter(|dir| {
- dir.components().last().and_then(|c| {
- c.as_os_str().to_str()
- }).map(|c| {
- c.starts_with("10.") && dir.join("ucrt").is_dir()
- }).unwrap_or(false)
- }).max());
+ let max_libdir = otry!(readdir.filter_map(|dir| dir.ok())
+ .map(|dir| dir.path())
+ .filter(|dir| {
+ dir.components()
+ .last()
+ .and_then(|c| c.as_os_str().to_str())
+ .map(|c| c.starts_with("10.") && dir.join("ucrt").is_dir())
+ .unwrap_or(false)
+ })
+ .max());
let version = max_libdir.components().last().unwrap();
let version = version.as_os_str().to_str().unwrap().to_string();
Some((root.into(), version))
let root = otry!(key.query_str("InstallationFolder").ok());
let readdir = otry!(Path::new(&root).join("lib").read_dir().ok());
let mut dirs = readdir.filter_map(|dir| dir.ok())
- .map(|dir| dir.path())
- .collect::<Vec<_>>();
+ .map(|dir| dir.path())
+ .collect::<Vec<_>>();
dirs.sort();
- let dir = otry!(dirs.into_iter().rev().filter(|dir| {
- dir.join("um").join("x64").join("kernel32.lib").is_file()
- }).next());
+ let dir = otry!(dirs.into_iter()
+ .rev()
+ .filter(|dir| dir.join("um").join("x64").join("kernel32.lib").is_file())
+ .next());
let version = dir.components().last().unwrap();
let version = version.as_os_str().to_str().unwrap().to_string();
Some((root.into(), version))
fn bin_subdir(target: &str) -> Vec<(&'static str, &'static str)> {
let arch = target.split('-').next().unwrap();
match (arch, host_arch()) {
- ("i586", X86) |
- ("i686", X86) => vec![("", "")],
- ("i586", X86_64) |
- ("i686", X86_64) => vec![("amd64_x86", "amd64"), ("", "")],
+ ("i586", X86) | ("i686", X86) => vec![("", "")],
+ ("i586", X86_64) | ("i686", X86_64) => vec![("amd64_x86", "amd64"), ("", "")],
("x86_64", X86) => vec![("x86_amd64", "")],
("x86_64", X86_64) => vec![("amd64", "amd64"), ("x86_amd64", "")],
("arm", X86) => vec![("x86_arm", "")],
let mut max_vers = 0;
let mut max_key = None;
for subkey in key.iter().filter_map(|k| k.ok()) {
- let val = subkey.to_str().and_then(|s| {
- s.trim_left_matches("v").replace(".", "").parse().ok()
- });
+ let val = subkey.to_str()
+ .and_then(|s| s.trim_left_matches("v").replace(".", "").parse().ok());
let val = match val {
Some(s) => s,
None => continue,
}
}
}
- return max_key
+ max_key
}
// see http://stackoverflow.com/questions/328017/path-to-msbuild
fn find_msbuild(target: &str) -> Option<Tool> {
let key = r"SOFTWARE\Microsoft\MSBuild\ToolsVersions";
- LOCAL_MACHINE.open(key.as_ref()).ok().and_then(|key| {
- max_version(&key).and_then(|(_vers, key)| {
- key.query_str("MSBuildToolsPath").ok()
+ LOCAL_MACHINE.open(key.as_ref())
+ .ok()
+ .and_then(|key| {
+ max_version(&key).and_then(|(_vers, key)| key.query_str("MSBuildToolsPath").ok())
+ })
+ .map(|path| {
+ let mut path = PathBuf::from(path);
+ path.push("MSBuild.exe");
+ let mut tool = Tool::new(path);
+ if target.contains("x86_64") {
+ tool.env.push(("Platform".into(), "X64".into()));
+ }
+ tool
})
- }).map(|path| {
- let mut path = PathBuf::from(path);
- path.push("MSBuild.exe");
- let mut tool = Tool::new(path);
- if target.contains("x86_64") {
- tool.env.push(("Platform".into(), "X64".into()));
- }
- tool
- })
}
}
projects / rust.git / commitdiff