40 lines
1.6 KiB
Rust
40 lines
1.6 KiB
Rust
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//@ ignore-cross-compile
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//@ needs-llvm-components: aarch64 x86
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// FIXME(#132514): Is needs-llvm-components actually necessary for this test?
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use run_make_support::{assert_contains_regex, rfs, rustc, target};
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// Test that when querying `--print=target-cpus` for a target with the same
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// architecture as the host, the first CPU is "native" with a suitable remark.
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fn main() {
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let expected = r"^Available CPUs for this target:
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native +- Select the CPU of the current host \(currently [^ )]+\)\.
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";
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// Without an explicit target.
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rustc().print("target-cpus").run().assert_stdout_contains_regex(expected);
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// With an explicit target that happens to be the host.
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let host = target(); // Because of ignore-cross-compile, assume host == target.
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rustc().print("target-cpus").target(host).run().assert_stdout_contains_regex(expected);
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// With an explicit output path.
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rustc().print("target-cpus=./xyzzy.txt").run().assert_stdout_equals("");
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assert_contains_regex(rfs::read_to_string("./xyzzy.txt"), expected);
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// Now try some cross-target queries with the same arch as the host.
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// (Specify multiple targets so that at least one of them is not the host.)
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let cross_targets: &[&str] = if cfg!(target_arch = "aarch64") {
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&["aarch64-unknown-linux-gnu", "aarch64-apple-darwin"]
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} else if cfg!(target_arch = "x86_64") {
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&["x86_64-unknown-linux-gnu", "x86_64-apple-darwin"]
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} else {
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&[]
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};
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for target in cross_targets {
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println!("Trying target: {target}");
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rustc().print("target-cpus").target(target).run().assert_stdout_contains_regex(expected);
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}
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}
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