diff options
Diffstat (limited to 'src/liballoc_jemalloc')
| -rw-r--r-- | src/liballoc_jemalloc/build.rs | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/liballoc_jemalloc/build.rs b/src/liballoc_jemalloc/build.rs new file mode 100644 index 00000000000..18f0527425a --- /dev/null +++ b/src/liballoc_jemalloc/build.rs @@ -0,0 +1,104 @@ +// Copyright 2015 The Rust Project Developers. See the COPYRIGHT +// file at the top-level directory of this distribution and at +// http://rust-lang.org/COPYRIGHT. +// +// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or +// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license +// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +extern crate build_helper; +extern crate gcc; + +use std::env; +use std::path::PathBuf; +use std::process::Command; +use build_helper::run; + +fn main() { + let target = env::var("TARGET").unwrap(); + let host = env::var("HOST").unwrap(); + let build_dir = PathBuf::from(env::var_os("OUT_DIR").unwrap()); + let src_dir = env::current_dir().unwrap(); + + if let Some(jemalloc) = env::var_os("JEMALLOC_OVERRIDE") { + let jemalloc = PathBuf::from(jemalloc); + println!("cargo:rustc-link-search=native={}", + jemalloc.parent().unwrap().display()); + let stem = jemalloc.file_stem().unwrap().to_str().unwrap(); + let name = jemalloc.file_name().unwrap().to_str().unwrap(); + let kind = if name.ends_with(".a") {"static"} else {"dylib"}; + println!("cargo:rustc-link-lib={}={}", kind, &stem[3..]); + return + } + + let compiler = gcc::Config::new().get_compiler(); + let ar = build_helper::cc2ar(compiler.path(), &target); + let cflags = compiler.args().iter().map(|s| s.to_str().unwrap()) + .collect::<Vec<_>>().join(" "); + + let mut cmd = Command::new("sh"); + cmd.arg(src_dir.join("../jemalloc/configure").to_str().unwrap() + .replace("C:\\", "/c/") + .replace("\\", "/")) + .current_dir(&build_dir) + .env("CC", compiler.path()) + .env("EXTRA_CFLAGS", cflags) + .env("AR", &ar) + .env("RANLIB", format!("{} s", ar.display())); + + if target.contains("windows-gnu") { + // A bit of history here, this used to be --enable-lazy-lock added in + // #14006 which was filed with jemalloc in jemalloc/jemalloc#83 which + // was also reported to MinGW: + // + // http://sourceforge.net/p/mingw-w64/bugs/395/ + // + // When updating jemalloc to 4.0, however, it was found that binaries + // would exit with the status code STATUS_RESOURCE_NOT_OWNED indicating + // that a thread was unlocking a mutex it never locked. Disabling this + // "lazy lock" option seems to fix the issue, but it was enabled by + // default for MinGW targets in 13473c7 for jemalloc. + // + // As a result of all that, force disabling lazy lock on Windows, and + // after reading some code it at least *appears* that the initialization + // of mutexes is otherwise ok in jemalloc, so shouldn't cause problems + // hopefully... + // + // tl;dr: make windows behave like other platforms by disabling lazy + // locking, but requires passing an option due to a historical + // default with jemalloc. + cmd.arg("--disable-lazy-lock"); + } else if target.contains("ios") || target.contains("android") { + cmd.arg("--disable-tls"); + } + + if cfg!(feature = "debug-jemalloc") { + cmd.arg("--enable-debug"); + } + + // Turn off broken quarantine (see jemalloc/jemalloc#161) + cmd.arg("--disable-fill"); + cmd.arg("--with-jemalloc-prefix=je_"); + cmd.arg(format!("--host={}", build_helper::gnu_target(&target))); + cmd.arg(format!("--build={}", build_helper::gnu_target(&host))); + + run(&mut cmd); + run(Command::new("make") + .current_dir(&build_dir) + .arg("build_lib_static") + .arg("-j").arg(env::var("NUM_JOBS").unwrap())); + + if target.contains("windows") { + println!("cargo:rustc-link-lib=static=jemalloc"); + } else { + println!("cargo:rustc-link-lib=static=jemalloc_pic"); + } + println!("cargo:rustc-link-search=native={}/lib", build_dir.display()); + if target.contains("android") { + println!("cargo:rustc-link-lib=gcc"); + } else if !target.contains("windows") { + println!("cargo:rustc-link-lib=pthread"); + } +} |