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Diffstat (limited to 'vendor/cmake')
| -rw-r--r-- | vendor/cmake/.cargo-checksum.json | 1 | ||||
| -rw-r--r-- | vendor/cmake/Cargo.toml | 25 | ||||
| -rw-r--r-- | vendor/cmake/LICENSE-APACHE | 201 | ||||
| -rw-r--r-- | vendor/cmake/LICENSE-MIT | 25 | ||||
| -rw-r--r-- | vendor/cmake/README.md | 32 | ||||
| -rw-r--r-- | vendor/cmake/src/lib.rs | 976 |
6 files changed, 1260 insertions, 0 deletions
diff --git a/vendor/cmake/.cargo-checksum.json b/vendor/cmake/.cargo-checksum.json new file mode 100644 index 000000000..142773768 --- /dev/null +++ b/vendor/cmake/.cargo-checksum.json @@ -0,0 +1 @@ +{"files":{"Cargo.toml":"f8aceca8cee9d63df3fe9cad0c87ce69db0e9f0fbf6bce631631d10a53f59fd8","LICENSE-APACHE":"a60eea817514531668d7e00765731449fe14d059d3249e0bc93b36de45f759f2","LICENSE-MIT":"378f5840b258e2779c39418f3f2d7b2ba96f1c7917dd6be0713f88305dbda397","README.md":"a4ad0b734acb4d50db72782207587552c5e33c52500318c202776cd32dbdea4a","src/lib.rs":"1008a89e71ac2646e65aa5e6c3f7a84f5d8f78c0360c56000daaae731398121a"},"package":"e8ad8cef104ac57b68b89df3208164d228503abbdce70f6880ffa3d970e7443a"}
\ No newline at end of file diff --git a/vendor/cmake/Cargo.toml b/vendor/cmake/Cargo.toml new file mode 100644 index 000000000..c7640c41e --- /dev/null +++ b/vendor/cmake/Cargo.toml @@ -0,0 +1,25 @@ +# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO +# +# When uploading crates to the registry Cargo will automatically +# "normalize" Cargo.toml files for maximal compatibility +# with all versions of Cargo and also rewrite `path` dependencies +# to registry (e.g., crates.io) dependencies. +# +# If you are reading this file be aware that the original Cargo.toml +# will likely look very different (and much more reasonable). +# See Cargo.toml.orig for the original contents. + +[package] +name = "cmake" +version = "0.1.48" +authors = ["Alex Crichton <alex@alexcrichton.com>"] +description = "A build dependency for running `cmake` to build a native library\n" +homepage = "https://github.com/alexcrichton/cmake-rs" +documentation = "https://docs.rs/cmake" +readme = "README.md" +keywords = ["build-dependencies"] +categories = ["development-tools::build-utils"] +license = "MIT/Apache-2.0" +repository = "https://github.com/alexcrichton/cmake-rs" +[dependencies.cc] +version = "1.0.72" diff --git a/vendor/cmake/LICENSE-APACHE b/vendor/cmake/LICENSE-APACHE new file mode 100644 index 000000000..16fe87b06 --- /dev/null +++ b/vendor/cmake/LICENSE-APACHE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + +Copyright [yyyy] [name of copyright owner] + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. diff --git a/vendor/cmake/LICENSE-MIT b/vendor/cmake/LICENSE-MIT new file mode 100644 index 000000000..39e0ed660 --- /dev/null +++ b/vendor/cmake/LICENSE-MIT @@ -0,0 +1,25 @@ +Copyright (c) 2014 Alex Crichton + +Permission is hereby granted, free of charge, to any +person obtaining a copy of this software and associated +documentation files (the "Software"), to deal in the +Software without restriction, including without +limitation the rights to use, copy, modify, merge, +publish, distribute, sublicense, and/or sell copies of +the Software, and to permit persons to whom the Software +is furnished to do so, subject to the following +conditions: + +The above copyright notice and this permission notice +shall be included in all copies or substantial portions +of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF +ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED +TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A +PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT +SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR +IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER +DEALINGS IN THE SOFTWARE. diff --git a/vendor/cmake/README.md b/vendor/cmake/README.md new file mode 100644 index 000000000..7ef49ca02 --- /dev/null +++ b/vendor/cmake/README.md @@ -0,0 +1,32 @@ +# cmake + +[Documentation](https://docs.rs/cmake) + +A build dependency for running the `cmake` build tool to compile a native +library. + +```toml +# Cargo.toml +[build-dependencies] +cmake = "0.1" +``` + +The CMake executable is assumed to be `cmake` unless the `CMAKE` +environmental variable is set. + +# License + +This project is licensed under either of + + * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or + http://www.apache.org/licenses/LICENSE-2.0) + * MIT license ([LICENSE-MIT](LICENSE-MIT) or + http://opensource.org/licenses/MIT) + +at your option. + +### Contribution + +Unless you explicitly state otherwise, any contribution intentionally submitted +for inclusion in cmake by you, as defined in the Apache-2.0 license, shall be +dual licensed as above, without any additional terms or conditions. diff --git a/vendor/cmake/src/lib.rs b/vendor/cmake/src/lib.rs new file mode 100644 index 000000000..18c2fdcff --- /dev/null +++ b/vendor/cmake/src/lib.rs @@ -0,0 +1,976 @@ +//! A build dependency for running `cmake` to build a native library +//! +//! This crate provides some necessary boilerplate and shim support for running +//! the system `cmake` command to build a native library. It will add +//! appropriate cflags for building code to link into Rust, handle cross +//! compilation, and use the necessary generator for the platform being +//! targeted. +//! +//! The builder-style configuration allows for various variables and such to be +//! passed down into the build as well. +//! +//! ## Installation +//! +//! Add this to your `Cargo.toml`: +//! +//! ```toml +//! [build-dependencies] +//! cmake = "0.1" +//! ``` +//! +//! ## Examples +//! +//! ```no_run +//! use cmake; +//! +//! // Builds the project in the directory located in `libfoo`, installing it +//! // into $OUT_DIR +//! let dst = cmake::build("libfoo"); +//! +//! println!("cargo:rustc-link-search=native={}", dst.display()); +//! println!("cargo:rustc-link-lib=static=foo"); +//! ``` +//! +//! ```no_run +//! use cmake::Config; +//! +//! let dst = Config::new("libfoo") +//! .define("FOO", "BAR") +//! .cflag("-foo") +//! .build(); +//! println!("cargo:rustc-link-search=native={}", dst.display()); +//! println!("cargo:rustc-link-lib=static=foo"); +//! ``` + +#![deny(missing_docs)] + +extern crate cc; + +use std::collections::HashMap; +use std::env; +use std::ffi::{OsStr, OsString}; +use std::fs::{self, File}; +use std::io::prelude::*; +use std::io::ErrorKind; +use std::path::{Path, PathBuf}; +use std::process::Command; + +/// Builder style configuration for a pending CMake build. +pub struct Config { + path: PathBuf, + generator: Option<OsString>, + generator_toolset: Option<OsString>, + cflags: OsString, + cxxflags: OsString, + asmflags: OsString, + defines: Vec<(OsString, OsString)>, + deps: Vec<String>, + target: Option<String>, + host: Option<String>, + out_dir: Option<PathBuf>, + profile: Option<String>, + configure_args: Vec<OsString>, + build_args: Vec<OsString>, + cmake_target: Option<String>, + env: Vec<(OsString, OsString)>, + static_crt: Option<bool>, + uses_cxx11: bool, + always_configure: bool, + no_build_target: bool, + verbose_cmake: bool, + verbose_make: bool, + pic: Option<bool>, + c_cfg: Option<cc::Build>, + cxx_cfg: Option<cc::Build>, + env_cache: HashMap<String, Option<OsString>>, +} + +/// Builds the native library rooted at `path` with the default cmake options. +/// This will return the directory in which the library was installed. +/// +/// # Examples +/// +/// ```no_run +/// use cmake; +/// +/// // Builds the project in the directory located in `libfoo`, installing it +/// // into $OUT_DIR +/// let dst = cmake::build("libfoo"); +/// +/// println!("cargo:rustc-link-search=native={}", dst.display()); +/// println!("cargo:rustc-link-lib=static=foo"); +/// ``` +/// +pub fn build<P: AsRef<Path>>(path: P) -> PathBuf { + Config::new(path.as_ref()).build() +} + +impl Config { + /// Return explicitly set profile or infer `CMAKE_BUILD_TYPE` from Rust's compilation profile. + /// + /// * if `opt-level=0` then `CMAKE_BUILD_TYPE=Debug`, + /// * if `opt-level={1,2,3}` and: + /// * `debug=false` then `CMAKE_BUILD_TYPE=Release` + /// * otherwise `CMAKE_BUILD_TYPE=RelWithDebInfo` + /// * if `opt-level={s,z}` then `CMAKE_BUILD_TYPE=MinSizeRel` + pub fn get_profile(&self) -> &str { + if let Some(profile) = self.profile.as_ref() { + profile + } else { + // Determine Rust's profile, optimization level, and debug info: + #[derive(PartialEq)] + enum RustProfile { + Debug, + Release, + } + #[derive(PartialEq, Debug)] + enum OptLevel { + Debug, + Release, + Size, + } + + let rust_profile = match &getenv_unwrap("PROFILE")[..] { + "debug" => RustProfile::Debug, + "release" | "bench" => RustProfile::Release, + unknown => { + eprintln!( + "Warning: unknown Rust profile={}; defaulting to a release build.", + unknown + ); + RustProfile::Release + } + }; + + let opt_level = match &getenv_unwrap("OPT_LEVEL")[..] { + "0" => OptLevel::Debug, + "1" | "2" | "3" => OptLevel::Release, + "s" | "z" => OptLevel::Size, + unknown => { + let default_opt_level = match rust_profile { + RustProfile::Debug => OptLevel::Debug, + RustProfile::Release => OptLevel::Release, + }; + eprintln!( + "Warning: unknown opt-level={}; defaulting to a {:?} build.", + unknown, default_opt_level + ); + default_opt_level + } + }; + + let debug_info: bool = match &getenv_unwrap("DEBUG")[..] { + "false" => false, + "true" => true, + unknown => { + eprintln!("Warning: unknown debug={}; defaulting to `true`.", unknown); + true + } + }; + + match (opt_level, debug_info) { + (OptLevel::Debug, _) => "Debug", + (OptLevel::Release, false) => "Release", + (OptLevel::Release, true) => "RelWithDebInfo", + (OptLevel::Size, _) => "MinSizeRel", + } + } + } + + /// Creates a new blank set of configuration to build the project specified + /// at the path `path`. + pub fn new<P: AsRef<Path>>(path: P) -> Config { + Config { + path: env::current_dir().unwrap().join(path), + generator: None, + generator_toolset: None, + cflags: OsString::new(), + cxxflags: OsString::new(), + asmflags: OsString::new(), + defines: Vec::new(), + deps: Vec::new(), + profile: None, + out_dir: None, + target: None, + host: None, + configure_args: Vec::new(), + build_args: Vec::new(), + cmake_target: None, + env: Vec::new(), + static_crt: None, + uses_cxx11: false, + always_configure: true, + no_build_target: false, + verbose_cmake: false, + verbose_make: false, + pic: None, + c_cfg: None, + cxx_cfg: None, + env_cache: HashMap::new(), + } + } + + /// Sets flag for PIC. Otherwise use cc::Build platform default + pub fn pic(&mut self, explicit_flag: bool) -> &mut Config { + self.pic = Some(explicit_flag); + self + } + + /// Sets the build-tool generator (`-G`) for this compilation. + /// + /// If unset, this crate will use the `CMAKE_GENERATOR` environment variable + /// if set. Otherwise, it will guess the best generator to use based on the + /// build target. + pub fn generator<T: AsRef<OsStr>>(&mut self, generator: T) -> &mut Config { + self.generator = Some(generator.as_ref().to_owned()); + self + } + + /// Sets the toolset name (-T) if supported by generator. + /// Can be used to compile with CLang/LLV instead of msvc when Visual Studio generator is selected. + /// + /// If unset, will use the default toolset of the selected generator. + pub fn generator_toolset<T: AsRef<OsStr>>(&mut self, toolset_name: T) -> &mut Config { + self.generator_toolset = Some(toolset_name.as_ref().to_owned()); + self + } + + /// Adds a custom flag to pass down to the C compiler, supplementing those + /// that this library already passes. + pub fn cflag<P: AsRef<OsStr>>(&mut self, flag: P) -> &mut Config { + self.cflags.push(" "); + self.cflags.push(flag.as_ref()); + self + } + + /// Adds a custom flag to pass down to the C++ compiler, supplementing those + /// that this library already passes. + pub fn cxxflag<P: AsRef<OsStr>>(&mut self, flag: P) -> &mut Config { + self.cxxflags.push(" "); + self.cxxflags.push(flag.as_ref()); + self + } + + /// Adds a custom flag to pass down to the ASM compiler, supplementing those + /// that this library already passes. + pub fn asmflag<P: AsRef<OsStr>>(&mut self, flag: P) -> &mut Config { + self.asmflags.push(" "); + self.asmflags.push(flag.as_ref()); + self + } + + /// Adds a new `-D` flag to pass to cmake during the generation step. + pub fn define<K, V>(&mut self, k: K, v: V) -> &mut Config + where + K: AsRef<OsStr>, + V: AsRef<OsStr>, + { + self.defines + .push((k.as_ref().to_owned(), v.as_ref().to_owned())); + self + } + + /// Registers a dependency for this compilation on the native library built + /// by Cargo previously. + /// + /// This registration will modify the `CMAKE_PREFIX_PATH` environment + /// variable for the build system generation step. + pub fn register_dep(&mut self, dep: &str) -> &mut Config { + self.deps.push(dep.to_string()); + self + } + + /// Sets the target triple for this compilation. + /// + /// This is automatically scraped from `$TARGET` which is set for Cargo + /// build scripts so it's not necessary to call this from a build script. + pub fn target(&mut self, target: &str) -> &mut Config { + self.target = Some(target.to_string()); + self + } + + /// Disables the cmake target option for this compilation. + /// + /// Note that this isn't related to the target triple passed to the compiler! + pub fn no_build_target(&mut self, no_build_target: bool) -> &mut Config { + self.no_build_target = no_build_target; + self + } + + /// Sets the host triple for this compilation. + /// + /// This is automatically scraped from `$HOST` which is set for Cargo + /// build scripts so it's not necessary to call this from a build script. + pub fn host(&mut self, host: &str) -> &mut Config { + self.host = Some(host.to_string()); + self + } + + /// Sets the output directory for this compilation. + /// + /// This is automatically scraped from `$OUT_DIR` which is set for Cargo + /// build scripts so it's not necessary to call this from a build script. + pub fn out_dir<P: AsRef<Path>>(&mut self, out: P) -> &mut Config { + self.out_dir = Some(out.as_ref().to_path_buf()); + self + } + + /// Sets the `CMAKE_BUILD_TYPE=build_type` variable. + /// + /// By default, this value is automatically inferred from Rust's compilation + /// profile as follows: + /// + /// * if `opt-level=0` then `CMAKE_BUILD_TYPE=Debug`, + /// * if `opt-level={1,2,3}` and: + /// * `debug=false` then `CMAKE_BUILD_TYPE=Release` + /// * otherwise `CMAKE_BUILD_TYPE=RelWithDebInfo` + /// * if `opt-level={s,z}` then `CMAKE_BUILD_TYPE=MinSizeRel` + pub fn profile(&mut self, profile: &str) -> &mut Config { + self.profile = Some(profile.to_string()); + self + } + + /// Configures whether the /MT flag or the /MD flag will be passed to msvc build tools. + /// + /// This option defaults to `false`, and affect only msvc targets. + pub fn static_crt(&mut self, static_crt: bool) -> &mut Config { + self.static_crt = Some(static_crt); + self + } + + /// Add an argument to the `cmake` configure step + pub fn configure_arg<A: AsRef<OsStr>>(&mut self, arg: A) -> &mut Config { + self.configure_args.push(arg.as_ref().to_owned()); + self + } + + /// Add an argument to the final `cmake` build step + pub fn build_arg<A: AsRef<OsStr>>(&mut self, arg: A) -> &mut Config { + self.build_args.push(arg.as_ref().to_owned()); + self + } + + /// Configure an environment variable for the `cmake` processes spawned by + /// this crate in the `build` step. + pub fn env<K, V>(&mut self, key: K, value: V) -> &mut Config + where + K: AsRef<OsStr>, + V: AsRef<OsStr>, + { + self.env + .push((key.as_ref().to_owned(), value.as_ref().to_owned())); + self + } + + /// Sets the build target for the final `cmake` build step, this will + /// default to "install" if not specified. + pub fn build_target(&mut self, target: &str) -> &mut Config { + self.cmake_target = Some(target.to_string()); + self + } + + /// Alters the default target triple on OSX to ensure that c++11 is + /// available. Does not change the target triple if it is explicitly + /// specified. + /// + /// This does not otherwise affect any CXX flags, i.e. it does not set + /// -std=c++11 or -stdlib=libc++. + pub fn uses_cxx11(&mut self) -> &mut Config { + self.uses_cxx11 = true; + self + } + + /// Forces CMake to always run before building the custom target. + /// + /// In some cases, when you have a big project, you can disable + /// subsequents runs of cmake to make `cargo build` faster. + pub fn always_configure(&mut self, always_configure: bool) -> &mut Config { + self.always_configure = always_configure; + self + } + + /// Sets very verbose output. + pub fn very_verbose(&mut self, value: bool) -> &mut Config { + self.verbose_cmake = value; + self.verbose_make = value; + self + } + + // Simple heuristic to determine if we're cross-compiling using the Android + // NDK toolchain file. + fn uses_android_ndk(&self) -> bool { + // `ANDROID_ABI` is the only required flag: + // https://developer.android.com/ndk/guides/cmake#android_abi + self.defined("ANDROID_ABI") + && self.defines.iter().any(|(flag, value)| { + flag == "CMAKE_TOOLCHAIN_FILE" + && Path::new(value).file_name() == Some("android.toolchain.cmake".as_ref()) + }) + } + + /// Initializes the C build configuration. + pub fn init_c_cfg(&mut self, c_cfg: cc::Build) -> &mut Config { + self.c_cfg = Some(c_cfg); + self + } + + /// Initializes the C++ build configuration. + pub fn init_cxx_cfg(&mut self, cxx_cfg: cc::Build) -> &mut Config { + self.cxx_cfg = Some(cxx_cfg); + self + } + + /// Run this configuration, compiling the library with all the configured + /// options. + /// + /// This will run both the build system generator command as well as the + /// command to build the library. + pub fn build(&mut self) -> PathBuf { + let target = match self.target.clone() { + Some(t) => t, + None => { + let mut t = getenv_unwrap("TARGET"); + if t.ends_with("-darwin") && self.uses_cxx11 { + t = t + "11" + } + t + } + }; + let host = self.host.clone().unwrap_or_else(|| getenv_unwrap("HOST")); + + // Some decisions later on are made if CMAKE_TOOLCHAIN_FILE is defined, + // so we need to read it from the environment variables from the beginning. + if !self.defined("CMAKE_TOOLCHAIN_FILE") { + if let Some(s) = self.getenv_target_os("CMAKE_TOOLCHAIN_FILE") { + self.define("CMAKE_TOOLCHAIN_FILE", s); + } + } + + let generator = self + .generator + .clone() + .or_else(|| self.getenv_target_os("CMAKE_GENERATOR")); + + let msvc = target.contains("msvc"); + let ndk = self.uses_android_ndk(); + let mut c_cfg = self.c_cfg.clone().unwrap_or_default(); + c_cfg + .cargo_metadata(false) + .cpp(false) + .opt_level(0) + .debug(false) + .warnings(false) + .host(&host) + .no_default_flags(ndk); + if !ndk { + c_cfg.target(&target); + } + let mut cxx_cfg = self.cxx_cfg.clone().unwrap_or_default(); + cxx_cfg + .cargo_metadata(false) + .cpp(true) + .opt_level(0) + .debug(false) + .warnings(false) + .host(&host) + .no_default_flags(ndk); + if !ndk { + cxx_cfg.target(&target); + } + if let Some(static_crt) = self.static_crt { + c_cfg.static_crt(static_crt); + cxx_cfg.static_crt(static_crt); + } + if let Some(explicit_flag) = self.pic { + c_cfg.pic(explicit_flag); + cxx_cfg.pic(explicit_flag); + } + let c_compiler = c_cfg.get_compiler(); + let cxx_compiler = cxx_cfg.get_compiler(); + let asm_compiler = c_cfg.get_compiler(); + + let dst = self + .out_dir + .clone() + .unwrap_or_else(|| PathBuf::from(getenv_unwrap("OUT_DIR"))); + let build = dst.join("build"); + self.maybe_clear(&build); + let _ = fs::create_dir(&build); + + // Add all our dependencies to our cmake paths + let mut cmake_prefix_path = Vec::new(); + for dep in &self.deps { + let dep = dep.to_uppercase().replace('-', "_"); + if let Some(root) = env::var_os(&format!("DEP_{}_ROOT", dep)) { + cmake_prefix_path.push(PathBuf::from(root)); + } + } + let system_prefix = self + .getenv_target_os("CMAKE_PREFIX_PATH") + .unwrap_or(OsString::new()); + cmake_prefix_path.extend(env::split_paths(&system_prefix).map(|s| s.to_owned())); + let cmake_prefix_path = env::join_paths(&cmake_prefix_path).unwrap(); + + // Build up the first cmake command to build the build system. + let executable = self + .getenv_target_os("CMAKE") + .unwrap_or(OsString::from("cmake")); + let mut cmd = Command::new(&executable); + + if self.verbose_cmake { + cmd.arg("-Wdev"); + cmd.arg("--debug-output"); + } + + cmd.arg(&self.path).current_dir(&build); + let mut is_ninja = false; + if let Some(ref generator) = generator { + is_ninja = generator.to_string_lossy().contains("Ninja"); + } + if target.contains("windows-gnu") { + if host.contains("windows") { + // On MinGW we need to coerce cmake to not generate a visual + // studio build system but instead use makefiles that MinGW can + // use to build. + if generator.is_none() { + // If make.exe isn't found, that means we may be using a MinGW + // toolchain instead of a MSYS2 toolchain. If neither is found, + // the build cannot continue. + let has_msys2 = Command::new("make") + .arg("--version") + .output() + .err() + .map(|e| e.kind() != ErrorKind::NotFound) + .unwrap_or(true); + let has_mingw32 = Command::new("mingw32-make") + .arg("--version") + .output() + .err() + .map(|e| e.kind() != ErrorKind::NotFound) + .unwrap_or(true); + + let generator = match (has_msys2, has_mingw32) { + (true, _) => "MSYS Makefiles", + (false, true) => "MinGW Makefiles", + (false, false) => fail("no valid generator found for GNU toolchain; MSYS or MinGW must be installed") + }; + + cmd.arg("-G").arg(generator); + } + } else { + // If we're cross compiling onto windows, then set some + // variables which will hopefully get things to succeed. Some + // systems may need the `windres` or `dlltool` variables set, so + // set them if possible. + if !self.defined("CMAKE_SYSTEM_NAME") { + cmd.arg("-DCMAKE_SYSTEM_NAME=Windows"); + } + if !self.defined("CMAKE_RC_COMPILER") { + let exe = find_exe(c_compiler.path()); + if let Some(name) = exe.file_name().unwrap().to_str() { + let name = name.replace("gcc", "windres"); + let windres = exe.with_file_name(name); + if windres.is_file() { + let mut arg = OsString::from("-DCMAKE_RC_COMPILER="); + arg.push(&windres); + cmd.arg(arg); + } + } + } + } + } else if msvc { + // If we're on MSVC we need to be sure to use the right generator or + // otherwise we won't get 32/64 bit correct automatically. + // This also guarantees that NMake generator isn't chosen implicitly. + let using_nmake_generator; + if generator.is_none() { + cmd.arg("-G").arg(self.visual_studio_generator(&target)); + using_nmake_generator = false; + } else { + using_nmake_generator = generator.as_ref().unwrap() == "NMake Makefiles"; + } + if !is_ninja && !using_nmake_generator { + if target.contains("x86_64") { + if self.generator_toolset.is_none() { + cmd.arg("-Thost=x64"); + } + cmd.arg("-Ax64"); + } else if target.contains("thumbv7a") { + if self.generator_toolset.is_none() { + cmd.arg("-Thost=x64"); + } + cmd.arg("-Aarm"); + } else if target.contains("aarch64") { + if self.generator_toolset.is_none() { + cmd.arg("-Thost=x64"); + } + cmd.arg("-AARM64"); + } else if target.contains("i686") { + use cc::windows_registry::{find_vs_version, VsVers}; + match find_vs_version() { + Ok(VsVers::Vs16) => { + // 32-bit x86 toolset used to be the default for all hosts, + // but Visual Studio 2019 changed the default toolset to match the host, + // so we need to manually override it for x86 targets + if self.generator_toolset.is_none() { + cmd.arg("-Thost=x86"); + } + cmd.arg("-AWin32"); + } + _ => {} + }; + } else { + panic!("unsupported msvc target: {}", target); + } + } + } else if target.contains("redox") { + if !self.defined("CMAKE_SYSTEM_NAME") { + cmd.arg("-DCMAKE_SYSTEM_NAME=Generic"); + } + } else if target.contains("solaris") { + if !self.defined("CMAKE_SYSTEM_NAME") { + cmd.arg("-DCMAKE_SYSTEM_NAME=SunOS"); + } + } else if target.contains("apple-ios") || target.contains("apple-tvos") { + // These two flags prevent CMake from adding an OSX sysroot, which messes up compilation. + if !self.defined("CMAKE_OSX_SYSROOT") && !self.defined("CMAKE_OSX_DEPLOYMENT_TARGET") { + cmd.arg("-DCMAKE_OSX_SYSROOT=/"); + cmd.arg("-DCMAKE_OSX_DEPLOYMENT_TARGET="); + } + } + if let Some(ref generator) = generator { + cmd.arg("-G").arg(generator); + } + if let Some(ref generator_toolset) = self.generator_toolset { + cmd.arg("-T").arg(generator_toolset); + } + let profile = self.get_profile().to_string(); + for &(ref k, ref v) in &self.defines { + let mut os = OsString::from("-D"); + os.push(k); + os.push("="); + os.push(v); + cmd.arg(os); + } + + if !self.defined("CMAKE_INSTALL_PREFIX") { + let mut dstflag = OsString::from("-DCMAKE_INSTALL_PREFIX="); + dstflag.push(&dst); + cmd.arg(dstflag); + } + + let build_type = self + .defines + .iter() + .find(|&&(ref a, _)| a == "CMAKE_BUILD_TYPE") + .map(|x| x.1.to_str().unwrap()) + .unwrap_or(&profile); + let build_type_upcase = build_type + .chars() + .flat_map(|c| c.to_uppercase()) + .collect::<String>(); + + { + // let cmake deal with optimization/debuginfo + let skip_arg = |arg: &OsStr| match arg.to_str() { + Some(s) => s.starts_with("-O") || s.starts_with("/O") || s == "-g", + None => false, + }; + let mut set_compiler = |kind: &str, compiler: &cc::Tool, extra: &OsString| { + let flag_var = format!("CMAKE_{}_FLAGS", kind); + let tool_var = format!("CMAKE_{}_COMPILER", kind); + if !self.defined(&flag_var) { + let mut flagsflag = OsString::from("-D"); + flagsflag.push(&flag_var); + flagsflag.push("="); + flagsflag.push(extra); + for arg in compiler.args() { + if skip_arg(arg) { + continue; + } + flagsflag.push(" "); + flagsflag.push(arg); + } + cmd.arg(flagsflag); + } + + // The visual studio generator apparently doesn't respect + // `CMAKE_C_FLAGS` but does respect `CMAKE_C_FLAGS_RELEASE` and + // such. We need to communicate /MD vs /MT, so set those vars + // here. + // + // Note that for other generators, though, this *overrides* + // things like the optimization flags, which is bad. + if generator.is_none() && msvc { + let flag_var_alt = format!("CMAKE_{}_FLAGS_{}", kind, build_type_upcase); + if !self.defined(&flag_var_alt) { + let mut flagsflag = OsString::from("-D"); + flagsflag.push(&flag_var_alt); + flagsflag.push("="); + flagsflag.push(extra); + for arg in compiler.args() { + if skip_arg(arg) { + continue; + } + flagsflag.push(" "); + flagsflag.push(arg); + } + cmd.arg(flagsflag); + } + } + + // Apparently cmake likes to have an absolute path to the + // compiler as otherwise it sometimes thinks that this variable + // changed as it thinks the found compiler, /usr/bin/cc, + // differs from the specified compiler, cc. Not entirely sure + // what's up, but at least this means cmake doesn't get + // confused? + // + // Also specify this on Windows only if we use MSVC with Ninja, + // as it's not needed for MSVC with Visual Studio generators and + // for MinGW it doesn't really vary. + if !self.defined("CMAKE_TOOLCHAIN_FILE") + && !self.defined(&tool_var) + && (env::consts::FAMILY != "windows" || (msvc && is_ninja)) + { + let mut ccompiler = OsString::from("-D"); + ccompiler.push(&tool_var); + ccompiler.push("="); + ccompiler.push(find_exe(compiler.path())); + #[cfg(windows)] + { + // CMake doesn't like unescaped `\`s in compiler paths + // so we either have to escape them or replace with `/`s. + use std::os::windows::ffi::{OsStrExt, OsStringExt}; + let wchars = ccompiler + .encode_wide() + .map(|wchar| { + if wchar == b'\\' as u16 { + '/' as u16 + } else { + wchar + } + }) + .collect::<Vec<_>>(); + ccompiler = OsString::from_wide(&wchars); + } + cmd.arg(ccompiler); + } + }; + + set_compiler("C", &c_compiler, &self.cflags); + set_compiler("CXX", &cxx_compiler, &self.cxxflags); + set_compiler("ASM", &asm_compiler, &self.asmflags); + } + + if !self.defined("CMAKE_BUILD_TYPE") { + cmd.arg(&format!("-DCMAKE_BUILD_TYPE={}", profile)); + } + + if self.verbose_make { + cmd.arg("-DCMAKE_VERBOSE_MAKEFILE:BOOL=ON"); + } + + for &(ref k, ref v) in c_compiler.env().iter().chain(&self.env) { + cmd.env(k, v); + } + + if self.always_configure || !build.join("CMakeCache.txt").exists() { + cmd.args(&self.configure_args); + run(cmd.env("CMAKE_PREFIX_PATH", cmake_prefix_path), "cmake"); + } else { + println!("CMake project was already configured. Skipping configuration step."); + } + + // And build! + let target = self.cmake_target.clone().unwrap_or("install".to_string()); + let mut cmd = Command::new(&executable); + cmd.current_dir(&build); + + for &(ref k, ref v) in c_compiler.env().iter().chain(&self.env) { + cmd.env(k, v); + } + + // If the generated project is Makefile based we should carefully transfer corresponding CARGO_MAKEFLAGS + if fs::metadata(&build.join("Makefile")).is_ok() { + match env::var_os("CARGO_MAKEFLAGS") { + // Only do this on non-windows and non-bsd + // On Windows, we could be invoking make instead of + // mingw32-make which doesn't work with our jobserver + // bsdmake also does not work with our job server + Some(ref makeflags) + if !(cfg!(windows) + || cfg!(target_os = "openbsd") + || cfg!(target_os = "netbsd") + || cfg!(target_os = "freebsd") + || cfg!(target_os = "bitrig") + || cfg!(target_os = "dragonflybsd")) => + { + cmd.env("MAKEFLAGS", makeflags); + } + _ => {} + } + } + + cmd.arg("--build").arg("."); + + if !self.no_build_target { + cmd.arg("--target").arg(target); + } + + cmd.arg("--config").arg(&profile); + + if let Ok(s) = env::var("NUM_JOBS") { + // See https://cmake.org/cmake/help/v3.12/manual/cmake.1.html#build-tool-mode + cmd.arg("--parallel").arg(s); + } + + if !&self.build_args.is_empty() { + cmd.arg("--").args(&self.build_args); + } + + run(&mut cmd, "cmake"); + + println!("cargo:root={}", dst.display()); + return dst; + } + + fn getenv_os(&mut self, v: &str) -> Option<OsString> { + if let Some(val) = self.env_cache.get(v) { + return val.clone(); + } + let r = env::var_os(v); + println!("{} = {:?}", v, r); + self.env_cache.insert(v.to_string(), r.clone()); + r + } + + /// Gets a target-specific environment variable. + fn getenv_target_os(&mut self, var_base: &str) -> Option<OsString> { + let host = self.host.clone().unwrap_or_else(|| getenv_unwrap("HOST")); + let target = self + .target + .clone() + .unwrap_or_else(|| getenv_unwrap("TARGET")); + + let kind = if host == target { "HOST" } else { "TARGET" }; + let target_u = target.replace("-", "_"); + self.getenv_os(&format!("{}_{}", var_base, target)) + .or_else(|| self.getenv_os(&format!("{}_{}", var_base, target_u))) + .or_else(|| self.getenv_os(&format!("{}_{}", kind, var_base))) + .or_else(|| self.getenv_os(var_base)) + } + + fn visual_studio_generator(&self, target: &str) -> String { + use cc::windows_registry::{find_vs_version, VsVers}; + + let base = match find_vs_version() { + Ok(VsVers::Vs17) => "Visual Studio 17 2022", + Ok(VsVers::Vs16) => "Visual Studio 16 2019", + Ok(VsVers::Vs15) => "Visual Studio 15 2017", + Ok(VsVers::Vs14) => "Visual Studio 14 2015", + Ok(VsVers::Vs12) => "Visual Studio 12 2013", + Ok(_) => panic!( + "Visual studio version detected but this crate \ + doesn't know how to generate cmake files for it, \ + can the `cmake` crate be updated?" + ), + Err(msg) => panic!("{}", msg), + }; + if ["i686", "x86_64", "thumbv7a", "aarch64"] + .iter() + .any(|t| target.contains(t)) + { + base.to_string() + } else { + panic!("unsupported msvc target: {}", target); + } + } + + fn defined(&self, var: &str) -> bool { + self.defines.iter().any(|&(ref a, _)| a == var) + } + + // If a cmake project has previously been built (e.g. CMakeCache.txt already + // exists), then cmake will choke if the source directory for the original + // project being built has changed. Detect this situation through the + // `CMAKE_HOME_DIRECTORY` variable that cmake emits and if it doesn't match + // we blow away the build directory and start from scratch (the recommended + // solution apparently [1]). + // + // [1]: https://cmake.org/pipermail/cmake/2012-August/051545.html + fn maybe_clear(&self, dir: &Path) { + // CMake will apparently store canonicalized paths which normally + // isn't relevant to us but we canonicalize it here to ensure + // we're both checking the same thing. + let path = fs::canonicalize(&self.path).unwrap_or(self.path.clone()); + let mut f = match File::open(dir.join("CMakeCache.txt")) { + Ok(f) => f, + Err(..) => return, + }; + let mut u8contents = Vec::new(); + match f.read_to_end(&mut u8contents) { + Ok(f) => f, + Err(..) => return, + }; + let contents = String::from_utf8_lossy(&u8contents); + drop(f); + for line in contents.lines() { + if line.starts_with("CMAKE_HOME_DIRECTORY") { + let needs_cleanup = match line.split('=').next_back() { + Some(cmake_home) => fs::canonicalize(cmake_home) + .ok() + .map(|cmake_home| cmake_home != path) + .unwrap_or(true), + None => true, + }; + if needs_cleanup { + println!( + "detected home dir change, cleaning out entire build \ + directory" + ); + fs::remove_dir_all(dir).unwrap(); + } + break; + } + } + } +} + +fn run(cmd: &mut Command, program: &str) { + println!("running: {:?}", cmd); + let status = match cmd.status() { + Ok(status) => status, + Err(ref e) if e.kind() == ErrorKind::NotFound => { + fail(&format!( + "failed to execute command: {}\nis `{}` not installed?", + e, program + )); + } + Err(e) => fail(&format!("failed to execute command: {}", e)), + }; + if !status.success() { + fail(&format!( + "command did not execute successfully, got: {}", + status + )); + } +} + +fn find_exe(path: &Path) -> PathBuf { + env::split_paths(&env::var_os("PATH").unwrap_or(OsString::new())) + .map(|p| p.join(path)) + .find(|p| fs::metadata(p).is_ok()) + .unwrap_or(path.to_owned()) +} + +fn getenv_unwrap(v: &str) -> String { + match env::var(v) { + Ok(s) => s, + Err(..) => fail(&format!("environment variable `{}` not defined", v)), + } +} + +fn fail(s: &str) -> ! { + panic!("\n{}\n\nbuild script failed, must exit now", s) +} |