diff --git a/compiler/rustc_driver_impl/src/lib.rs b/compiler/rustc_driver_impl/src/lib.rs index 97210d9a662..4362007d4ba 100644 --- a/compiler/rustc_driver_impl/src/lib.rs +++ b/compiler/rustc_driver_impl/src/lib.rs @@ -731,6 +731,7 @@ fn print_crate_info( targets.sort_unstable(); println_info!("{}", targets.join("\n")); } + HostTuple => println_info!("{}", rustc_session::config::host_tuple()), Sysroot => println_info!("{}", sess.sysroot.display()), TargetLibdir => println_info!("{}", sess.target_tlib_path.dir.display()), TargetSpec => { diff --git a/compiler/rustc_session/src/config.rs b/compiler/rustc_session/src/config.rs index 3ac6e7423ac..bb730592068 100644 --- a/compiler/rustc_session/src/config.rs +++ b/compiler/rustc_session/src/config.rs @@ -813,6 +813,7 @@ pub struct PrintRequest { #[derive(Copy, Clone, PartialEq, Eq, Debug)] pub enum PrintKind { FileNames, + HostTuple, Sysroot, TargetLibdir, CrateName, @@ -1945,6 +1946,7 @@ fn collect_print_requests( ("crate-name", PrintKind::CrateName), ("deployment-target", PrintKind::DeploymentTarget), ("file-names", PrintKind::FileNames), + ("host-tuple", PrintKind::HostTuple), ("link-args", PrintKind::LinkArgs), ("native-static-libs", PrintKind::NativeStaticLibs), ("relocation-models", PrintKind::RelocationModels), diff --git a/src/doc/rustc/src/command-line-arguments.md b/src/doc/rustc/src/command-line-arguments.md index e5631ba4274..f38d34fccd4 100644 --- a/src/doc/rustc/src/command-line-arguments.md +++ b/src/doc/rustc/src/command-line-arguments.md @@ -256,7 +256,8 @@ The valid types of print values are: - `crate-name` — The name of the crate. - `file-names` — The names of the files created by the `link` emit kind. - `sysroot` — Path to the sysroot. -- `target-libdir` - Path to the target libdir. +- `target-libdir` — Path to the target libdir. +- `host-tuple` — The target-tuple string of the host compiler (e.g. `x86_64-unknown-linux-gnu`) - `cfg` — List of cfg values. See [conditional compilation] for more information about cfg values. - `target-list` — List of known targets. The target may be selected with the @@ -286,7 +287,7 @@ The valid types of print values are: exact format of this debugging output is not a stable guarantee, other than that it will include the linker executable and the text of each command-line argument passed to the linker. -- `deployment-target` - The currently selected [deployment target] (or minimum OS version) +- `deployment-target` — The currently selected [deployment target] (or minimum OS version) for the selected Apple platform target. This value can be used or passed along to other components alongside a Rust build that need this information, such as C compilers. This returns rustc's minimum supported deployment target if no `*_DEPLOYMENT_TARGET` variable diff --git a/tests/ui/invalid-compile-flags/print.stderr b/tests/ui/invalid-compile-flags/print.stderr index 70b4a394dd0..df0c3977dc8 100644 --- a/tests/ui/invalid-compile-flags/print.stderr +++ b/tests/ui/invalid-compile-flags/print.stderr @@ -1,4 +1,4 @@ error: unknown print request: `yyyy` | - = help: valid print requests are: `all-target-specs-json`, `calling-conventions`, `cfg`, `check-cfg`, `code-models`, `crate-name`, `deployment-target`, `file-names`, `link-args`, `native-static-libs`, `relocation-models`, `split-debuginfo`, `stack-protector-strategies`, `sysroot`, `target-cpus`, `target-features`, `target-libdir`, `target-list`, `target-spec-json`, `tls-models` + = help: valid print requests are: `all-target-specs-json`, `calling-conventions`, `cfg`, `check-cfg`, `code-models`, `crate-name`, `deployment-target`, `file-names`, `host-tuple`, `link-args`, `native-static-libs`, `relocation-models`, `split-debuginfo`, `stack-protector-strategies`, `sysroot`, `target-cpus`, `target-features`, `target-libdir`, `target-list`, `target-spec-json`, `tls-models` diff --git a/tests/ui/print-request/host.rs b/tests/ui/print-request/host.rs new file mode 100644 index 00000000000..d54da9b35d0 --- /dev/null +++ b/tests/ui/print-request/host.rs @@ -0,0 +1,5 @@ +//@ only-x86_64-unknown-linux-gnu +//@ compile-flags: --print host-tuple +//@ check-pass + +fn main() {} diff --git a/tests/ui/print-request/host.stdout b/tests/ui/print-request/host.stdout new file mode 100644 index 00000000000..21696ec3a0c --- /dev/null +++ b/tests/ui/print-request/host.stdout @@ -0,0 +1 @@ +x86_64-unknown-linux-gnu