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rustc: add a --print target-list command
This commit is contained in:
Jorge Aparicio
parent
77f9231818
commit
0bb4209b88
@ -164,6 +164,7 @@ pub enum PrintRequest {
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Sysroot,
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CrateName,
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Cfg,
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TargetList,
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}
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pub enum Input {
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@ -844,7 +845,7 @@ pub fn rustc_short_optgroups() -> Vec<RustcOptGroup> {
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"[asm|llvm-bc|llvm-ir|obj|link|dep-info]"),
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opt::multi("", "print", "Comma separated list of compiler information to \
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print on stdout",
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"[crate-name|file-names|sysroot]"),
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"[crate-name|file-names|sysroot|target-list]"),
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opt::flagmulti("g", "", "Equivalent to -C debuginfo=2"),
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opt::flagmulti("O", "", "Equivalent to -C opt-level=2"),
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opt::opt("o", "", "Write output to <filename>", "FILENAME"),
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@ -1109,6 +1110,7 @@ pub fn build_session_options(matches: &getopts::Matches) -> Options {
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"file-names" => PrintRequest::FileNames,
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"sysroot" => PrintRequest::Sysroot,
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"cfg" => PrintRequest::Cfg,
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"target-list" => PrintRequest::TargetList,
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req => {
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early_error(error_format, &format!("unknown print request `{}`", req))
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}
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@ -63,6 +63,82 @@ mod solaris_base;
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mod windows_base;
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mod windows_msvc_base;
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macro_rules! supported_targets {
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( $(($triple:expr, $module:ident)),+ ) => (
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/// List of supported targets
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pub const TARGETS: &'static [&'static str] = &[$($triple),*];
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// this would use a match if stringify! were allowed in pattern position
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fn load_specific(target: &str) -> Option<Target> {
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$(mod $module;)*
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let target = target.replace("-", "_");
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if false { }
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$(
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else if target == stringify!($module) {
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let t = $module::target();
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debug!("Got builtin target: {:?}", t);
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return Some(t);
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}
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)*
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None
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}
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)
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}
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supported_targets! {
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("x86_64-unknown-linux-gnu", x86_64_unknown_linux_gnu),
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("i686-unknown-linux-gnu", i686_unknown_linux_gnu),
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("mips-unknown-linux-gnu", mips_unknown_linux_gnu),
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("mipsel-unknown-linux-gnu", mipsel_unknown_linux_gnu),
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("powerpc-unknown-linux-gnu", powerpc_unknown_linux_gnu),
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("powerpc64-unknown-linux-gnu", powerpc64_unknown_linux_gnu),
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("powerpc64le-unknown-linux-gnu", powerpc64le_unknown_linux_gnu),
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("arm-unknown-linux-gnueabi", arm_unknown_linux_gnueabi),
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("arm-unknown-linux-gnueabihf", arm_unknown_linux_gnueabihf),
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("armv7-unknown-linux-gnueabihf", armv7_unknown_linux_gnueabihf),
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("aarch64-unknown-linux-gnu", aarch64_unknown_linux_gnu),
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("x86_64-unknown-linux-musl", x86_64_unknown_linux_musl),
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("i686-unknown-linux-musl", i686_unknown_linux_musl),
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("mips-unknown-linux-musl", mips_unknown_linux_musl),
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("mipsel-unknown-linux-musl", mipsel_unknown_linux_musl),
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("i686-linux-android", i686_linux_android),
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("arm-linux-androideabi", arm_linux_androideabi),
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("aarch64-linux-android", aarch64_linux_android),
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("i686-unknown-freebsd", i686_unknown_freebsd),
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("x86_64-unknown-freebsd", x86_64_unknown_freebsd),
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("i686-unknown-dragonfly", i686_unknown_dragonfly),
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("x86_64-unknown-dragonfly", x86_64_unknown_dragonfly),
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("x86_64-unknown-bitrig", x86_64_unknown_bitrig),
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("x86_64-unknown-openbsd", x86_64_unknown_openbsd),
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("x86_64-unknown-netbsd", x86_64_unknown_netbsd),
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("x86_64-rumprun-netbsd", x86_64_rumprun_netbsd),
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("x86_64-apple-darwin", x86_64_apple_darwin),
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("i686-apple-darwin", i686_apple_darwin),
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("i386-apple-ios", i386_apple_ios),
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("x86_64-apple-ios", x86_64_apple_ios),
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("aarch64-apple-ios", aarch64_apple_ios),
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("armv7-apple-ios", armv7_apple_ios),
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("armv7s-apple-ios", armv7s_apple_ios),
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("x86_64-sun-solaris", x86_64_sun_solaris),
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("x86_64-pc-windows-gnu", x86_64_pc_windows_gnu),
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("i686-pc-windows-gnu", i686_pc_windows_gnu),
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("x86_64-pc-windows-msvc", x86_64_pc_windows_msvc),
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("i686-pc-windows-msvc", i686_pc_windows_msvc),
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("le32-unknown-nacl", le32_unknown_nacl),
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("asmjs-unknown-emscripten", asmjs_unknown_emscripten)
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}
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/// Everything `rustc` knows about how to compile for a specific target.
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///
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/// Every field here must be specified, and has no default value.
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@ -393,85 +469,10 @@ impl Target {
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Ok(Target::from_json(obj))
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}
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// this would use a match if stringify! were allowed in pattern position
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macro_rules! load_specific {
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( $($name:ident),+ ) => (
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{
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$(mod $name;)*
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let target = target.replace("-", "_");
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if false { }
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$(
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else if target == stringify!($name) {
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let t = $name::target();
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debug!("Got builtin target: {:?}", t);
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return Ok(t);
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}
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)*
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else if target == "x86_64-w64-mingw32" {
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let t = x86_64_pc_windows_gnu::target();
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return Ok(t);
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} else if target == "i686-w64-mingw32" {
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let t = i686_pc_windows_gnu::target();
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return Ok(t);
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}
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}
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)
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if let Some(t) = load_specific(target) {
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return Ok(t)
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}
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load_specific!(
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x86_64_unknown_linux_gnu,
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i686_unknown_linux_gnu,
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mips_unknown_linux_gnu,
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mipsel_unknown_linux_gnu,
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powerpc_unknown_linux_gnu,
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powerpc64_unknown_linux_gnu,
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powerpc64le_unknown_linux_gnu,
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arm_unknown_linux_gnueabi,
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arm_unknown_linux_gnueabihf,
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armv7_unknown_linux_gnueabihf,
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aarch64_unknown_linux_gnu,
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x86_64_unknown_linux_musl,
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i686_unknown_linux_musl,
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mips_unknown_linux_musl,
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mipsel_unknown_linux_musl,
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i686_linux_android,
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arm_linux_androideabi,
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aarch64_linux_android,
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i686_unknown_freebsd,
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x86_64_unknown_freebsd,
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i686_unknown_dragonfly,
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x86_64_unknown_dragonfly,
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x86_64_unknown_bitrig,
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x86_64_unknown_openbsd,
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x86_64_unknown_netbsd,
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x86_64_rumprun_netbsd,
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x86_64_apple_darwin,
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i686_apple_darwin,
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i386_apple_ios,
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x86_64_apple_ios,
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aarch64_apple_ios,
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armv7_apple_ios,
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armv7s_apple_ios,
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x86_64_sun_solaris,
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x86_64_pc_windows_gnu,
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i686_pc_windows_gnu,
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x86_64_pc_windows_msvc,
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i686_pc_windows_msvc,
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le32_unknown_nacl,
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asmjs_unknown_emscripten
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);
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let path = Path::new(target);
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if path.is_file() {
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@ -532,6 +532,11 @@ impl RustcDefaultCalls {
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let attrs = input.map(|input| parse_crate_attrs(sess, input));
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for req in &sess.opts.prints {
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match *req {
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PrintRequest::TargetList => {
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let mut targets = rustc_back::target::TARGETS.to_vec();
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targets.sort();
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println!("{}", targets.join("\n"));
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},
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PrintRequest::Sysroot => println!("{}", sess.sysroot().display()),
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PrintRequest::FileNames |
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PrintRequest::CrateName => {
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15
src/test/run-make/print-target-list/Makefile
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15
src/test/run-make/print-target-list/Makefile
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@ -0,0 +1,15 @@
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-include ../tools.mk
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# Checks that all the targets returned by `rustc --print target-list` are valid
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# target specifications
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# TODO remove the '*ios*' case when rust-lang/rust#29812 is fixed
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all:
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for target in $(shell $(BARE_RUSTC) --print target-list); do \
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case $$target in \
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*ios*) \
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;; \
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*) \
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$(BARE_RUSTC) --target $$target --print sysroot \
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;; \
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esac \
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done
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