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// Target-specific compilation in rustc used to have case-by-case peculiarities in 2014,
// with the compiler having redundant target types and unspecific names. An overarching rework
// in #16156 changed the way the target flag functions, and this test attempts compilation
// with the target flag's bundle of new features to check that compilation either succeeds while
// using them correctly, or fails with the right error message when using them improperly.
// See https://github.com/rust-lang/rust/pull/16156
//@ needs-llvm-components: x86
use run_make_support::{diff, rfs, rustc};
fn main() {
rustc()
.input("foo.rs")
.target("my-invalid-platform.json")
.run_fail()
.assert_stderr_contains("error loading target specification");
rustc()
.input("foo.rs")
.target("my-incomplete-platform.json")
.run_fail()
.assert_stderr_contains("missing field `llvm-target`");
rustc()
.env("RUST_TARGET_PATH", ".")
.input("foo.rs")
.target("my-awesome-platform")
.crate_type("lib")
.emit("asm")
.run();
rustc()
.env("RUST_TARGET_PATH", ".")
.input("foo.rs")
.target("my-x86_64-unknown-linux-gnu-platform")
.crate_type("lib")
.emit("asm")
.run();
let test_platform = rustc()
.arg("-Zunstable-options")
.target("my-awesome-platform.json")
.print("target-spec-json")
.run()
.stdout_utf8();
rfs::create_file("test-platform.json");
rfs::write("test-platform.json", test_platform.as_bytes());
let test_platform_2 = rustc()
.arg("-Zunstable-options")
.target("test-platform.json")
.print("target-spec-json")
.run()
.stdout_utf8();
diff()
.expected_file("test-platform.json")
.actual_text("test-platform-2", test_platform_2)
.run();
rustc()
.input("foo.rs")
.target("endianness-mismatch")
.run_fail()
.assert_stderr_contains(r#""data-layout" claims architecture is little-endian"#);
rustc()
.input("foo.rs")
.target("mismatching-data-layout")
.crate_type("lib")
.run_fail()
.assert_stderr_contains("data-layout for target");
rustc()
.input("foo.rs")
.target("require-explicit-cpu")
.crate_type("lib")
.run_fail()
.assert_stderr_contains("target requires explicitly specifying a cpu");
rustc()
.input("foo.rs")
.target("require-explicit-cpu")
.crate_type("lib")
.arg("-Ctarget-cpu=generic")
.run();
rustc().target("require-explicit-cpu").arg("--print=target-cpus").run();
}
|
