57 lines
2.0 KiB
Rust
57 lines
2.0 KiB
Rust
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// Copyright 2017 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Compiles the profiler part of the `compiler-rt` library.
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//!
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//! See the build.rs for libcompiler_builtins crate for details.
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extern crate gcc;
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use std::env;
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use std::path::Path;
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fn main() {
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let target = env::var("TARGET").expect("TARGET was not set");
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let cfg = &mut gcc::Config::new();
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if target.contains("msvc") {
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// Don't pull in extra libraries on MSVC
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cfg.flag("/Zl");
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} else {
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// Turn off various features of gcc and such, mostly copying
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// compiler-rt's build system already
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cfg.flag("-fno-builtin");
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cfg.flag("-fvisibility=hidden");
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cfg.flag("-fomit-frame-pointer");
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cfg.flag("-ffreestanding");
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cfg.define("VISIBILITY_HIDDEN", None);
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}
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let profile_sources = &["GCDAProfiling.c",
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"InstrProfiling.c",
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"InstrProfilingBuffer.c",
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"InstrProfilingFile.c",
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"InstrProfilingMerge.c",
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"InstrProfilingMergeFile.c",
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"InstrProfilingPlatformDarwin.c",
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"InstrProfilingPlatformLinux.c",
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"InstrProfilingPlatformOther.c",
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"InstrProfilingRuntime.cc",
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"InstrProfilingUtil.c",
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"InstrProfilingValue.c",
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"InstrProfilingWriter.c"];
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for src in profile_sources {
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cfg.file(Path::new("../compiler-rt/lib/profile").join(src));
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}
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cfg.compile("libprofiler-rt.a");
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}
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