6 //! compilers for cross-compiling are found.
19 use crate::config::Target;
29     pub fn new() -> Self {  in new()
33     pub fn maybe_have<S: Into<OsString>>(&mut self, cmd: S) -> Option<PathBuf> {  in maybe_have()
57     pub fn must_have<S: AsRef<OsStr>>(&mut self, cmd: S) -> PathBuf {  in must_have()
69     // https://github.com/rust-lang/rust/issues/34959 for more details.  in check()
81     // We need cmake, but only if we're actually building LLVM or sanitizers.  in check()
82     let building_llvm = build.config.rust_codegen_backends.contains(&INTERNER.intern_str("llvm"))  in check()
88                     .config  in check()
91                     .map(|config| config.llvm_config.is_none())  in check()
95     let need_cmake = building_llvm || build.config.any_sanitizers_enabled();  in check()
102 You should install cmake, or set `download-ci-llvm = true` in the  in check()
103 `[llvm]` section of `config.toml` to download LLVM rather  in check()
111     build.config.python = build  in check()
112         .config  in check()
121     build.config.nodejs = build  in check()
122         .config  in check()
129     build.config.npm = build  in check()
130         .config  in check()
136     build.config.gdb = build  in check()
137         .config  in check()
143     build.config.reuse = build  in check()
144         .config  in check()
151     // also build some C++ shims for LLVM so we need a C++ compiler.  in check()
168         // <https://github.com/rust-lang/rust/pull/103569#discussion_r1008741742>.  in check()
173         if !build.config.dry_run() {  in check()
182         if !build.config.dry_run() {  in check()
187     if build.config.rust_codegen_backends.contains(&INTERNER.intern_str("llvm")) {  in check()
188         // Externally configured LLVM requires FileCheck to exist  in check()
190         if !filecheck.starts_with(&build.out) && !filecheck.exists() && build.config.codegen_tests {  in check()
197             .config  in check()
202         if target.contains("-none-") || target.contains("nvptx") {  in check()
204                 panic!("All the *-none-* and nvptx* targets are no-std targets")  in check()
208         // Make sure musl-root is valid  in check()
210             // If this is a native target (host is also musl) and no musl-root is given,  in check()
212             if build.musl_root(*target).is_none() && build.config.build == *target {  in check()
213                 let target = build.config.target_config.entry(*target).or_default();  in check()
223                     "when targeting MUSL either the rust.musl-root \  in check()
224                             option or the target.$TARGET.musl-root option must \  in check()
225                             be specified in config.toml"  in check()
233         // <https://github.com/rust-lang/rust/pull/103569#discussion_r1008741742>.  in check()
242             let out = output(Command::new("cmake").arg("--help"));  in check()
252 If you are building under msys2 try installing the mingw-w64-x86_64-cmake  in check()
255 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake  in check()
262     if let Some(ref s) = build.config.ccache {  in check()