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extern crate cc;
use std::env;
use std::fs;
use std::path::PathBuf;
fn main() {
let out = PathBuf::from(env::var_os("OUT_DIR").unwrap());
fs::remove_dir_all(&out).unwrap();
fs::create_dir(&out).unwrap();
cc::Build::new()
.file("src/foo.c")
.flag_if_supported("-Wall")
.flag_if_supported("-Wfoo-bar-this-flag-does-not-exist")
.define("FOO", None)
.define("BAR", "1")
.compile("foo");
cc::Build::new()
.file("src/bar1.c")
.file("src/bar2.c")
.include("src/include")
.compile("bar");
let target = std::env::var("TARGET").unwrap();
let file = target.split("-").next().unwrap();
let file = format!("src/{}.{}",
file,
if target.contains("msvc") { "asm" } else { "S" });
cc::Build::new()
.file(file)
.compile("asm");
cc::Build::new()
.file("src/baz.cpp")
.cpp(true)
.compile("baz");
if target.contains("windows") {
cc::Build::new()
.file("src/windows.c")
.compile("windows");
}
// Test that the `windows_registry` module will set PATH by looking for
// nmake which runs vanilla cl, and then also test it after we remove all
// the relevant env vars from our own process.
if target.contains("msvc") {
let out = out.join("tmp");
fs::create_dir(&out).unwrap();
println!("nmake 1");
let status = cc::windows_registry::find(&target, "nmake.exe")
.unwrap()
.env_remove("MAKEFLAGS")
.arg("/fsrc/NMakefile")
.env("OUT_DIR", &out)
.status()
.unwrap();
assert!(status.success());
fs::remove_dir_all(&out).unwrap();
fs::create_dir(&out).unwrap();
env::remove_var("PATH");
env::remove_var("VCINSTALLDIR");
env::remove_var("INCLUDE");
env::remove_var("LIB");
println!("nmake 2");
let status = cc::windows_registry::find(&target, "nmake.exe")
.unwrap()
.env_remove("MAKEFLAGS")
.arg("/fsrc/NMakefile")
.env("OUT_DIR", &out)
.status()
.unwrap();
assert!(status.success());
println!("cargo:rustc-link-lib=msvc");
println!("cargo:rustc-link-search={}", out.display());
}
// This tests whether we can build a library but not link it to the main
// crate. The test module will do its own linking.
cc::Build::new()
.cargo_metadata(false)
.file("src/opt_linkage.c")
.compile("OptLinkage");
let out = cc::Build::new()
.file("src/expand.c")
.expand();
let out = String::from_utf8(out).unwrap();
assert!(out.contains("hello world"));
}
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