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-rw-r--r--gcc/src/lib.rs108
1 files changed, 83 insertions, 25 deletions
diff --git a/gcc/src/lib.rs b/gcc/src/lib.rs
index 85d7d22..7d19e13 100644
--- a/gcc/src/lib.rs
+++ b/gcc/src/lib.rs
@@ -57,8 +57,18 @@ use std::process::{Command, Stdio, Child};
use std::io::{self, BufReader, BufRead, Read, Write};
use std::thread::{self, JoinHandle};
+// These modules are all glue to support reading the MSVC version from
+// the registry and from COM interfaces
#[cfg(windows)]
mod registry;
+#[cfg(windows)]
+#[macro_use]
+mod winapi;
+#[cfg(windows)]
+mod com;
+#[cfg(windows)]
+mod setup_config;
+
pub mod windows_registry;
/// Extra configuration to pass to gcc.
@@ -81,6 +91,7 @@ pub struct Config {
archiver: Option<PathBuf>,
cargo_metadata: bool,
pic: Option<bool>,
+ static_crt: Option<bool>,
}
/// Configuration used to represent an invocation of a C compiler.
@@ -187,6 +198,7 @@ impl Config {
archiver: None,
cargo_metadata: true,
pic: None,
+ static_crt: None,
}
}
@@ -363,6 +375,14 @@ impl Config {
self
}
+ /// Configures whether the /MT flag or the /MD flag will be passed to msvc build tools.
+ ///
+ /// This option defaults to `false`, and affect only msvc targets.
+ pub fn static_crt(&mut self, static_crt: bool) -> &mut Config {
+ self.static_crt = Some(static_crt);
+ self
+ }
+
#[doc(hidden)]
pub fn __set_env<A, B>(&mut self, a: A, b: B) -> &mut Config
@@ -434,12 +454,13 @@ impl Config {
let mut cfg = rayon::Configuration::new();
if let Ok(amt) = env::var("NUM_JOBS") {
if let Ok(amt) = amt.parse() {
- cfg = cfg.set_num_threads(amt);
+ cfg = cfg.num_threads(amt);
}
}
drop(rayon::initialize(cfg));
- objs.par_iter().weight_max().for_each(|&(ref src, ref dst)| self.compile_object(src, dst));
+ objs.par_iter().with_max_len(1)
+ .for_each(|&(ref src, ref dst)| self.compile_object(src, dst));
}
#[cfg(not(feature = "parallel"))]
@@ -533,13 +554,22 @@ impl Config {
match cmd.family {
ToolFamily::Msvc => {
cmd.args.push("/nologo".into());
- let features = env::var("CARGO_CFG_TARGET_FEATURE")
+
+ let crt_flag = match self.static_crt {
+ Some(true) => "/MT",
+ Some(false) => "/MD",
+ None => {
+ 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());
- }
+ if features.contains("crt-static") {
+ "/MT"
+ } else {
+ "/MD"
+ }
+ },
+ };
+ cmd.args.push(crt_flag.into());
+
match &opt_level[..] {
"z" | "s" => cmd.args.push("/Os".into()),
"1" => cmd.args.push("/O1".into()),
@@ -593,7 +623,7 @@ impl Config {
}
// armv7 targets get to use armv7 instructions
- if target.starts_with("armv7-unknown-linux-") {
+ if target.starts_with("armv7-") && target.contains("-linux-") {
cmd.args.push("-march=armv7-a".into());
}
@@ -602,6 +632,7 @@ impl Config {
if target.starts_with("armv7-linux-androideabi") {
cmd.args.push("-march=armv7-a".into());
cmd.args.push("-mfpu=vfpv3-d16".into());
+ cmd.args.push("-mfloat-abi=softfp".into());
}
// For us arm == armv6 by default
@@ -610,6 +641,15 @@ impl Config {
cmd.args.push("-marm".into());
}
+ // We can guarantee some settings for FRC
+ if target.starts_with("arm-frc-") {
+ cmd.args.push("-march=armv7-a".into());
+ cmd.args.push("-mcpu=cortex-a9".into());
+ cmd.args.push("-mfpu=vfpv3".into());
+ cmd.args.push("-mfloat-abi=softfp".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());
@@ -683,7 +723,7 @@ impl Config {
for &(ref key, ref value) in self.definitions.iter() {
let lead = if let ToolFamily::Msvc = cmd.family {"/"} else {"-"};
- if let &Some(ref value) = value {
+ if let Some(ref value) = *value {
cmd.args.push(format!("{}D{}={}", lead, key, value).into());
} else {
cmd.args.push(format!("{}D{}", lead, key).into());
@@ -704,7 +744,7 @@ impl Config {
cmd.arg("/I").arg(directory);
}
for &(ref key, ref value) in self.definitions.iter() {
- if let &Some(ref value) = value {
+ if let Some(ref value) = *value {
cmd.arg(&format!("/D{}={}", key, value));
} else {
cmd.arg(&format!("/D{}", key));
@@ -730,7 +770,7 @@ impl Config {
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_else(|| self.cmd("lib.exe")),
};
let mut out = OsString::from("/OUT:");
out.push(dst);
@@ -750,7 +790,6 @@ impl Config {
// 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();
@@ -816,7 +855,7 @@ impl Config {
for &(ref a, ref b) in self.env.iter() {
cmd.env(a, b);
}
- return cmd;
+ cmd
}
fn get_base_compiler(&self) -> Tool {
@@ -846,15 +885,26 @@ impl Config {
for arg in args {
t.args.push(arg.into());
}
- return t;
+ t
})
.or_else(|| {
if target.contains("emscripten") {
- if self.cpp {
- Some(Tool::new(PathBuf::from("em++")))
+ //Windows uses bat file so we have to be a bit more specific
+ let tool = if self.cpp {
+ if cfg!(windows) {
+ "em++.bat"
+ } else {
+ "em++"
+ }
} else {
- Some(Tool::new(PathBuf::from("emcc")))
- }
+ if cfg!(windows) {
+ "emcc.bat"
+ } else {
+ "emcc"
+ }
+ };
+
+ Some(Tool::new(PathBuf::from(tool)))
} else {
None
}
@@ -876,6 +926,7 @@ impl Config {
let prefix = cross_compile.or(match &target[..] {
"aarch64-unknown-linux-gnu" => Some("aarch64-linux-gnu"),
"arm-unknown-linux-gnueabi" => Some("arm-linux-gnueabi"),
+ "arm-frc-linux-gnueabi" => Some("arm-frc-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"),
@@ -948,7 +999,7 @@ impl Config {
self.get_var(name).ok().map(|tool| {
let whitelist = ["ccache", "distcc"];
for t in whitelist.iter() {
- if tool.starts_with(t) && tool[t.len()..].starts_with(" ") {
+ if tool.starts_with(t) && tool[t.len()..].starts_with(' ') {
return (t.to_string(), vec![tool[t.len()..].trim_left().to_string()]);
}
}
@@ -981,7 +1032,14 @@ impl Config {
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")
+ //Windows use bat files so we have to be a bit more specific
+ let tool = if cfg!(windows) {
+ "emar.bat"
+ } else {
+ "emar"
+ };
+
+ PathBuf::from(tool)
} else {
PathBuf::from("ar")
}
@@ -1034,7 +1092,7 @@ impl Tool {
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") {
+ } else if fname.contains("cl") && !fname.contains("uclibc") {
ToolFamily::Msvc
} else {
ToolFamily::Gnu
@@ -1091,7 +1149,7 @@ fn run(cmd: &mut Command, program: &str) {
let (mut child, print) = spawn(cmd, program);
let status = child.wait().expect("failed to wait on child process");
print.join().unwrap();
- println!("{:?}", status);
+ println!("{}", status);
if !status.success() {
fail(&format!("command did not execute successfully, got: {}", status));
}
@@ -1104,11 +1162,11 @@ fn run_output(cmd: &mut Command, program: &str) -> Vec<u8> {
child.stdout.take().unwrap().read_to_end(&mut stdout).unwrap();
let status = child.wait().expect("failed to wait on child process");
print.join().unwrap();
- println!("{:?}", status);
+ println!("{}", status);
if !status.success() {
fail(&format!("command did not execute successfully, got: {}", status));
}
- return stdout
+ stdout
}
fn spawn(cmd: &mut Command, program: &str) -> (Child, JoinHandle<()>) {
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-13 07:58:10 +0000