| // 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. |
| |
| #![deny(warnings)] |
| |
| extern crate build_helper; |
| extern crate cc; |
| |
| use build_helper::native_lib_boilerplate; |
| use std::env; |
| use std::fs::File; |
| |
| fn main() { |
| let target = env::var("TARGET").expect("TARGET was not set"); |
| if cfg!(feature = "backtrace") && |
| !target.contains("cloudabi") && |
| !target.contains("emscripten") && |
| !target.contains("msvc") && |
| !target.contains("wasm32") |
| { |
| let _ = build_libbacktrace(&target); |
| } |
| |
| if target.contains("linux") { |
| if target.contains("android") { |
| println!("cargo:rustc-link-lib=dl"); |
| println!("cargo:rustc-link-lib=log"); |
| println!("cargo:rustc-link-lib=gcc"); |
| } else if !target.contains("musl") { |
| println!("cargo:rustc-link-lib=dl"); |
| println!("cargo:rustc-link-lib=rt"); |
| println!("cargo:rustc-link-lib=pthread"); |
| } |
| } else if target.contains("freebsd") { |
| println!("cargo:rustc-link-lib=execinfo"); |
| println!("cargo:rustc-link-lib=pthread"); |
| } else if target.contains("netbsd") { |
| println!("cargo:rustc-link-lib=pthread"); |
| println!("cargo:rustc-link-lib=rt"); |
| } else if target.contains("dragonfly") || target.contains("bitrig") || |
| target.contains("openbsd") { |
| println!("cargo:rustc-link-lib=pthread"); |
| } else if target.contains("solaris") { |
| println!("cargo:rustc-link-lib=socket"); |
| println!("cargo:rustc-link-lib=posix4"); |
| println!("cargo:rustc-link-lib=pthread"); |
| println!("cargo:rustc-link-lib=resolv"); |
| } else if target.contains("apple-darwin") { |
| println!("cargo:rustc-link-lib=System"); |
| |
| // res_init and friends require -lresolv on macOS/iOS. |
| // See #41582 and http://blog.achernya.com/2013/03/os-x-has-silly-libsystem.html |
| println!("cargo:rustc-link-lib=resolv"); |
| } else if target.contains("apple-ios") { |
| println!("cargo:rustc-link-lib=System"); |
| println!("cargo:rustc-link-lib=objc"); |
| println!("cargo:rustc-link-lib=framework=Security"); |
| println!("cargo:rustc-link-lib=framework=Foundation"); |
| println!("cargo:rustc-link-lib=resolv"); |
| } else if target.contains("windows") { |
| println!("cargo:rustc-link-lib=advapi32"); |
| println!("cargo:rustc-link-lib=ws2_32"); |
| println!("cargo:rustc-link-lib=userenv"); |
| } else if target.contains("fuchsia") { |
| println!("cargo:rustc-link-lib=zircon"); |
| println!("cargo:rustc-link-lib=fdio"); |
| } else if target.contains("cloudabi") { |
| if cfg!(feature = "backtrace") { |
| println!("cargo:rustc-link-lib=unwind"); |
| } |
| println!("cargo:rustc-link-lib=c"); |
| println!("cargo:rustc-link-lib=compiler_rt"); |
| } |
| } |
| |
| fn build_libbacktrace(target: &str) -> Result<(), ()> { |
| let native = native_lib_boilerplate( |
| "../libbacktrace".as_ref(), |
| "libbacktrace", |
| "backtrace", |
| "", |
| )?; |
| |
| let mut build = cc::Build::new(); |
| build |
| .flag("-fvisibility=hidden") |
| .include("../libbacktrace") |
| .include(&native.out_dir) |
| .out_dir(&native.out_dir) |
| .warnings(false) |
| .file("../libbacktrace/alloc.c") |
| .file("../libbacktrace/backtrace.c") |
| .file("../libbacktrace/dwarf.c") |
| .file("../libbacktrace/fileline.c") |
| .file("../libbacktrace/posix.c") |
| .file("../libbacktrace/read.c") |
| .file("../libbacktrace/sort.c") |
| .file("../libbacktrace/state.c"); |
| |
| let any_debug = env::var("RUSTC_DEBUGINFO").unwrap_or_default() == "true" || |
| env::var("RUSTC_DEBUGINFO_LINES").unwrap_or_default() == "true"; |
| build.debug(any_debug); |
| |
| if target.contains("darwin") { |
| build.file("../libbacktrace/macho.c"); |
| } else if target.contains("windows") { |
| build.file("../libbacktrace/pecoff.c"); |
| } else { |
| build.file("../libbacktrace/elf.c"); |
| |
| let pointer_width = env::var("CARGO_CFG_TARGET_POINTER_WIDTH").unwrap(); |
| if pointer_width == "64" { |
| build.define("BACKTRACE_ELF_SIZE", "64"); |
| } else { |
| build.define("BACKTRACE_ELF_SIZE", "32"); |
| } |
| } |
| |
| File::create(native.out_dir.join("backtrace-supported.h")).unwrap(); |
| build.define("BACKTRACE_SUPPORTED", "1"); |
| build.define("BACKTRACE_USES_MALLOC", "1"); |
| build.define("BACKTRACE_SUPPORTS_THREADS", "0"); |
| build.define("BACKTRACE_SUPPORTS_DATA", "0"); |
| |
| File::create(native.out_dir.join("config.h")).unwrap(); |
| if !target.contains("apple-ios") && |
| !target.contains("solaris") && |
| !target.contains("redox") && |
| !target.contains("android") && |
| !target.contains("haiku") { |
| build.define("HAVE_DL_ITERATE_PHDR", "1"); |
| } |
| build.define("_GNU_SOURCE", "1"); |
| build.define("_LARGE_FILES", "1"); |
| |
| build.compile("backtrace"); |
| Ok(()) |
| } |