cmake-0.1.58/.cargo_vcs_info.json0000644000000001361046102023000122310ustar { "git": { "sha1": "63190697197b34e5e5cd3cabf17da4fcab348bef" }, "path_in_vcs": "" }cmake-0.1.58/.github/dependabot.yml000064400000000000000000000002211046102023000151620ustar 00000000000000version: 2 updates: - package-ecosystem: cargo directory: "/" schedule: interval: daily time: "08:00" open-pull-requests-limit: 10 cmake-0.1.58/.github/workflows/main.yml000064400000000000000000000122231046102023000160430ustar 00000000000000name: CI on: [push, pull_request] env: RUSTDOCFLAGS: -D warnings RUSTFLAGS: -D warnings jobs: clippy: name: clippy runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - name: Install Rust run: | rustup update beta --no-self-update rustup default beta rustup component add clippy - uses: Swatinem/rust-cache@v2 - run: cargo clippy --all-features --all-targets -- -D warnings test: name: Test runs-on: ${{ matrix.os }} strategy: matrix: os: [ubuntu-latest, macos-latest, windows-latest] rust: ["1.70", stable, beta, nightly] steps: - uses: actions/checkout@v4 - name: Install Rust run: | rustup update ${{ matrix.rust }} --no-self-update rustup default ${{ matrix.rust }} - uses: Swatinem/rust-cache@v2 - run: cargo test - name: Integration test run: cargo test --manifest-path test-crate/Cargo.toml cross_compile_test: name: Test Cross Compile - ${{ matrix.platform.target }} needs: [ test ] runs-on: ubuntu-latest strategy: fail-fast: false matrix: platform: # Testable - target: aarch64-unknown-linux-gnu test: true - target: arm-unknown-linux-gnueabihf test: true - target: powerpc-unknown-linux-gnu test: true - target: s390x-unknown-linux-gnu test: true - target: x86_64-unknown-linux-musl test: true - target: aarch64-unknown-linux-musl test: true # Build only - target: x86_64-pc-solaris test: false - target: x86_64-pc-windows-gnu test: false # FIXME: build fails, see # - target: x86_64-unknown-freebsd # test: false - target: x86_64-unknown-netbsd test: false - target: x86_64-unknown-illumos test: false steps: - uses: actions/checkout@main - name: Install Rust run: | rustup update stable --no-self-update rustup default stable rustup target add ${{ matrix.platform.target }} - uses: taiki-e/install-action@v2 with: tool: cross - uses: Swatinem/rust-cache@v2 - name: cross test run: cross test -vv --target ${{ matrix.platform.target }} working-directory: test-crate if: ${{ matrix.platform.test }} - name: cross build run: cross build -vv --target ${{ matrix.platform.target }} working-directory: test-crate if: ${{ !matrix.platform.test }} ios_cross_compile_test: name: Test Cross Compile - ${{ matrix.platform.target }} needs: [ test ] runs-on: macos-latest strategy: fail-fast: false matrix: platform: - target: aarch64-apple-ios steps: - uses: actions/checkout@v4 - name: Install Rust run: | rustup update stable --no-self-update rustup default stable rustup target add ${{ matrix.platform.target }} - uses: Swatinem/rust-cache@v2 - name: build run: cargo build -vv --target ${{ matrix.platform.target }} working-directory: test-crate env: # If this isn't specified the default is iOS 7, for which zlib-ng will not compile due to the lack of thread-local storage. IPHONEOS_DEPLOYMENT_TARGET: 16 rustfmt: name: Rustfmt runs-on: ubuntu-latest steps: - uses: actions/checkout@main - name: Install Rust run: | rustup update stable --no-self-update rustup default stable rustup component add rustfmt - run: cargo fmt --all -- --check doc: name: docs runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - run: | rustup update nightly --no-self-update rustup default nightly - uses: Swatinem/rust-cache@v2 - run: cargo doc msrv: name: MSRV check runs-on: ubuntu-24.04 timeout-minutes: 10 env: RUSTFLAGS: # No need to check warnings on old MSRV, unset `-Dwarnings` steps: - uses: actions/checkout@main - name: Install Rust run: | msrv="$( cargo metadata --format-version=1 | jq -r '.packages[] | select(.name == "cmake") | .rust_version' )" echo "MSRV: $msrv" rustup update "$msrv" --no-self-update && rustup default "$msrv" - uses: Swatinem/rust-cache@v2 - run: cargo check success: needs: - clippy - test - cross_compile_test - ios_cross_compile_test - rustfmt - doc - msrv runs-on: ubuntu-latest # GitHub branch protection is exceedingly silly and treats "jobs skipped because a dependency # failed" as success. So we have to do some contortions to ensure the job fails if any of its # dependencies fails. if: always() # make sure this is never "skipped" steps: # Manually check the status of all dependencies. `if: failure()` does not work. - name: check if any dependency failed run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}' cmake-0.1.58/.github/workflows/publish.yml000064400000000000000000000011611046102023000165640ustar 00000000000000name: Release-plz permissions: pull-requests: write contents: write on: push: branches: - main jobs: release-plz: name: Release-plz runs-on: ubuntu-latest steps: - name: Checkout repository uses: actions/checkout@v4 with: fetch-depth: 0 - name: Install Rust (rustup) run: rustup update stable --no-self-update && rustup default stable - name: Run release-plz uses: MarcoIeni/release-plz-action@v0.5 env: GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }} cmake-0.1.58/.gitignore000064400000000000000000000000241046102023000127630ustar 00000000000000/target /Cargo.lock cmake-0.1.58/.release-plz.toml000064400000000000000000000000541046102023000141740ustar 00000000000000[workspace] git_tag_name = "v{{ version }}" cmake-0.1.58/CHANGELOG.md000064400000000000000000000054561046102023000126220ustar 00000000000000# Changelog ## [Unreleased] ## [0.1.58](https://github.com/rust-lang/cmake-rs/compare/v0.1.57...v0.1.58) - 2026-03-26 ### Fixed - Fix i686-windows system import ([#276](https://github.com/rust-lang/cmake-rs/pull/276)) ## [0.1.57](https://github.com/rust-lang/cmake-rs/compare/v0.1.56...v0.1.57) - 2025-12-17 ### Fixed - Revert canonicalizing the build directory and make the path absolute instead ([#267](https://github.com/rust-lang/cmake-rs/pull/267)) ## [0.1.56](https://github.com/rust-lang/cmake-rs/compare/v0.1.55...v0.1.56) - 2025-12-13 ### Other - Fallback to bundled CMake if present ([#264](https://github.com/rust-lang/cmake-rs/pull/264)) - Use `cmake -B` only for v3.13 and later ([#262](https://github.com/rust-lang/cmake-rs/pull/262)) ## [0.1.55](https://github.com/rust-lang/cmake-rs/compare/v0.1.54...v0.1.55) - 2025-12-11 ### Other - Remove the `\\?\` prefix from paths ([#259](https://github.com/rust-lang/cmake-rs/pull/259)) - Add Visual Studio 2026 support ([#255](https://github.com/rust-lang/cmake-rs/pull/255)) - Make sure that cmake generate build files in current dir ([#194](https://github.com/rust-lang/cmake-rs/pull/194)) - Set the MSRV to 1.65 and test this in CI - Canonicalize the build directory - Use `eprintln` instead to print the command running next ([#191](https://github.com/rust-lang/cmake-rs/pull/191)) ## [0.1.54](https://github.com/rust-lang/cmake-rs/compare/v0.1.53...v0.1.54) - 2025-02-10 ### Other - Remove workaround for broken `cc-rs` versions ([#235](https://github.com/rust-lang/cmake-rs/pull/235)) - Be more precise in the description of `register_dep` ([#238](https://github.com/rust-lang/cmake-rs/pull/238)) ## [0.1.53](https://github.com/rust-lang/cmake-rs/compare/v0.1.52...v0.1.53) - 2025-01-27 ### Other - Disable broken Make jobserver support on OSX to fix parallel builds ([#229](https://github.com/rust-lang/cmake-rs/pull/229)) ## [0.1.52](https://github.com/rust-lang/cmake-rs/compare/v0.1.51...v0.1.52) - 2024-11-25 ### Other - Expose cc-rs no_default_flags for hassle-free cross-compilation ([#225](https://github.com/rust-lang/cmake-rs/pull/225)) - Add a `success` job to CI - Change `--build` to use an absolute path - Merge pull request [#195](https://github.com/rust-lang/cmake-rs/pull/195) from meowtec/feat/improve-fail-hint - Improve hint for cmake not installed in Linux (code 127) ## [0.1.51](https://github.com/rust-lang/cmake-rs/compare/v0.1.50...v0.1.51) - 2024-08-15 ### Added - Add JOM generator support ([#183](https://github.com/rust-lang/cmake-rs/pull/183)) - Improve visionOS support ([#209](https://github.com/rust-lang/cmake-rs/pull/209)) - Use `Generic` for bare-metal systems ([#187](https://github.com/rust-lang/cmake-rs/pull/187)) ### Fixed - Fix cross compilation on android armv7 and x86 ([#186](https://github.com/rust-lang/cmake-rs/pull/186)) cmake-0.1.58/Cargo.lock0000644000000014401046102023000102030ustar # This file is automatically @generated by Cargo. # It is not intended for manual editing. version = 3 [[package]] name = "cc" version = "1.2.57" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "7a0dd1ca384932ff3641c8718a02769f1698e7563dc6974ffd03346116310423" dependencies = [ "find-msvc-tools", "shlex", ] [[package]] name = "cmake" version = "0.1.58" dependencies = [ "cc", ] [[package]] name = "find-msvc-tools" version = "0.1.9" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "5baebc0774151f905a1a2cc41989300b1e6fbb29aff0ceffa1064fdd3088d582" [[package]] name = "shlex" version = "1.3.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64" cmake-0.1.58/Cargo.toml0000644000000022001046102023000102210ustar # 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] edition = "2021" rust-version = "1.65" name = "cmake" version = "0.1.58" authors = ["Alex Crichton "] build = false autolib = false autobins = false autoexamples = false autotests = false autobenches = false description = """ A build dependency for running `cmake` to build a native library """ homepage = "https://github.com/rust-lang/cmake-rs" documentation = "https://docs.rs/cmake" readme = "README.md" keywords = ["build-dependencies"] categories = ["development-tools::build-utils"] license = "MIT OR Apache-2.0" repository = "https://github.com/rust-lang/cmake-rs" [lib] name = "cmake" path = "src/lib.rs" [dependencies.cc] version = "1.2.46" cmake-0.1.58/Cargo.toml.orig000064400000000000000000000010211046102023000136600ustar 00000000000000[package] name = "cmake" version = "0.1.58" authors = ["Alex Crichton "] license = "MIT OR Apache-2.0" readme = "README.md" keywords = ["build-dependencies"] repository = "https://github.com/rust-lang/cmake-rs" homepage = "https://github.com/rust-lang/cmake-rs" documentation = "https://docs.rs/cmake" description = """ A build dependency for running `cmake` to build a native library """ categories = ["development-tools::build-utils"] edition = "2021" rust-version = "1.65" [dependencies] cc = "1.2.46" cmake-0.1.58/LICENSE-APACHE000064400000000000000000000251371046102023000127330ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. Definitions. "License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License. "Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity. "You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License. "Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files. "Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types. "Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below). "Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof. "Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution." "Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work. 2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form. 3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed. 4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions: (a) You must give any other recipients of the Work or Derivative Works a copy of this License; and (b) You must cause any modified files to carry prominent notices stating that You changed the files; and (c) You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and (d) If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License. You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License. 5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions. 6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file. 7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License. 8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages. 9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability. END OF TERMS AND CONDITIONS APPENDIX: How to apply the Apache License to your work. To apply the Apache License to your work, attach the following boilerplate notice, with the fields enclosed by brackets "[]" replaced with your own identifying information. (Don't include the brackets!) The text should be enclosed in the appropriate comment syntax for the file format. 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. cmake-0.1.58/LICENSE-MIT000064400000000000000000000020411046102023000124300ustar 00000000000000Copyright (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. cmake-0.1.58/README.md000064400000000000000000000014511046102023000122570ustar 00000000000000# 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 https://www.apache.org/licenses/LICENSE-2.0) * MIT license ([LICENSE-MIT](LICENSE-MIT) or https://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. cmake-0.1.58/src/lib.rs000064400000000000000000001342301046102023000127050ustar 00000000000000//! 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, generator_toolset: Option, cflags: OsString, cxxflags: OsString, asmflags: OsString, defines: Vec<(OsString, OsString)>, deps: Vec, target: Option, host: Option, out_dir: Option, profile: Option, configure_args: Vec, build_args: Vec, cmake_target: Option, env: Vec<(OsString, OsString)>, static_crt: Option, uses_cxx11: bool, always_configure: bool, no_build_target: bool, no_default_flags: bool, verbose_cmake: bool, verbose_make: bool, pic: Option, c_cfg: Option, cxx_cfg: Option, env_cache: HashMap>, } /// 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>(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>(path: P) -> Config { Config { path: env::current_dir().unwrap().join(path), generator: None, generator_toolset: None, no_default_flags: false, 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>(&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/LLVM instead of msvc when Visual Studio generator is selected. /// /// If unset, will use the default toolset of the selected generator. pub fn generator_toolset>(&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>(&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>(&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>(&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(&mut self, k: K, v: V) -> &mut Config where K: AsRef, V: AsRef, { 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 update the `CMAKE_PREFIX_PATH` environment /// variable for the [`build`][Self::build] system generation step. The /// path will be updated to include the content of the environment /// variable `DEP_XXX_ROOT`, where `XXX` is replaced with the uppercased /// value of `dep` (if that variable exists). 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 } /// Disables the generation of default compiler flags. The default compiler /// flags may cause conflicts in some cross compiling scenarios. pub fn no_default_flags(&mut self, no_default_flags: bool) -> &mut Config { self.no_default_flags = no_default_flags; 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>(&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>(&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>(&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(&mut self, key: K, value: V) -> &mut Config where K: AsRef, V: AsRef, { 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++. #[deprecated = "no longer does anything, C++ is determined based on `cc::Build`, and the macOS issue has been fixed upstream"] 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 => getenv_unwrap("TARGET"), }; 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); } else if target.contains("redox") { if !self.defined("CMAKE_SYSTEM_NAME") { self.define("CMAKE_SYSTEM_NAME", "Generic"); } } else if target != host && !self.defined("CMAKE_SYSTEM_NAME") { // Set CMAKE_SYSTEM_NAME and CMAKE_SYSTEM_PROCESSOR when cross compiling let os = getenv_unwrap("CARGO_CFG_TARGET_OS"); let arch = getenv_unwrap("CARGO_CFG_TARGET_ARCH"); // CMAKE_SYSTEM_NAME list // https://gitlab.kitware.com/cmake/cmake/-/issues/21489#note_1077167 // // CMAKE_SYSTEM_PROCESSOR // some of the values come from https://en.wikipedia.org/wiki/Uname let (system_name, system_processor) = match (os.as_str(), arch.as_str()) { ("android", "arm") => ("Android", "armv7-a"), ("android", "x86") => ("Android", "i686"), ("android", arch) => ("Android", arch), ("dragonfly", arch) => ("DragonFly", arch), ("macos", "aarch64") => ("Darwin", "arm64"), ("macos", arch) => ("Darwin", arch), ("freebsd", "x86_64") => ("FreeBSD", "amd64"), ("freebsd", arch) => ("FreeBSD", arch), ("fuchsia", arch) => ("Fuchsia", arch), ("haiku", arch) => ("Haiku", arch), ("ios", "aarch64") => ("iOS", "arm64"), ("ios", arch) => ("iOS", arch), ("linux", arch) => { let name = "Linux"; match arch { "powerpc" => (name, "ppc"), "powerpc64" => (name, "ppc64"), "powerpc64le" => (name, "ppc64le"), _ => (name, arch), } } ("netbsd", arch) => ("NetBSD", arch), ("openbsd", "x86_64") => ("OpenBSD", "amd64"), ("openbsd", arch) => ("OpenBSD", arch), ("solaris", arch) => ("SunOS", arch), ("tvos", "aarch64") => ("tvOS", "arm64"), ("tvos", arch) => ("tvOS", arch), ("visionos", "aarch64") => ("visionOS", "arm64"), ("visionos", arch) => ("visionOS", arch), ("watchos", "aarch64") => ("watchOS", "arm64"), ("watchos", arch) => ("watchOS", arch), ("windows", "x86_64") => ("Windows", "AMD64"), ("windows", "x86") => ("Windows", "X86"), ("windows", "aarch64") => ("Windows", "ARM64"), ("none", arch) => ("Generic", arch), // Others (os, arch) => (os, arch), }; self.define("CMAKE_SYSTEM_NAME", system_name); self.define("CMAKE_SYSTEM_PROCESSOR", system_processor); } } 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 || self.no_default_flags); 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 || self.no_default_flags); 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_dir = fix_build_dir(&dst.join("build")); self.maybe_clear(&build_dir); let _ = fs::create_dir_all(&build_dir); // 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_default(); cmake_prefix_path.extend(env::split_paths(&system_prefix)); let cmake_prefix_path = env::join_paths(&cmake_prefix_path).unwrap(); // Build up the first cmake command to build the build system. let mut cmd = self.cmake_configure_command(&target); let version = Version::from_command(cmd.get_program()).unwrap_or_default(); if self.verbose_cmake { cmd.arg("-Wdev"); cmd.arg("--debug-output"); } cmd.arg(&self.path).current_dir(&build_dir); if version >= Version::new(3, 13) { cmd.arg("-B").arg(&build_dir); } 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_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 let Some(g) = &generator { g == "NMake Makefiles" || g == "NMake Makefiles JOM" } else { cmd.arg("-G").arg(self.visual_studio_generator(&target)); false }; 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") { if self.generator_toolset.is_none() { cmd.arg("-Thost=x86"); } cmd.arg("-AWin32"); } else { panic!("unsupported msvc target: {}", target); } } } else if target.contains("darwin") && !self.defined("CMAKE_OSX_ARCHITECTURES") { if target.contains("x86_64") { cmd.arg("-DCMAKE_OSX_ARCHITECTURES=x86_64"); } else if target.contains("aarch64") { cmd.arg("-DCMAKE_OSX_ARCHITECTURES=arm64"); } else { panic!("unsupported darwin target: {}", 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 (k, 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(|&(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::(); { // 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::>(); 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 (k, v) in c_compiler.env().iter().chain(&self.env) { cmd.env(k, v); } if self.always_configure || !build_dir.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 mut cmd = self.cmake_build_command(&target); cmd.current_dir(&build_dir); for (k, 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 let mut use_jobserver = false; if fs::metadata(build_dir.join("Makefile")).is_ok() { match env::var_os("CARGO_MAKEFLAGS") { // Only do this on non-windows, non-bsd, and non-macos (unless a named pipe // jobserver is available) // * 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 // * On macOS, CMake blocks propagation of the jobserver's file descriptors to make // However, if the jobserver is based on a named pipe, this will be available to // the build. Some(ref makeflags) if !(cfg!(windows) || cfg!(target_os = "openbsd") || cfg!(target_os = "netbsd") || cfg!(target_os = "freebsd") || cfg!(target_os = "dragonfly") || (cfg!(target_os = "macos") && !uses_named_pipe_jobserver(makeflags))) => { use_jobserver = true; cmd.env("MAKEFLAGS", makeflags); } _ => {} } } cmd.arg("--build").arg(&build_dir); if !self.no_build_target { let target = self .cmake_target .clone() .unwrap_or_else(|| "install".to_string()); cmd.arg("--target").arg(target); } cmd.arg("--config").arg(&profile); // --parallel requires CMake 3.12: // https://cmake.org/cmake/help/latest/release/3.12.html#command-line if version >= Version::new(3, 12) && !use_jobserver { 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()); dst } fn cmake_executable(&mut self, target: &str) -> OsString { self.getenv_target_os("CMAKE") .or_else(|| find_cmake_executable(target)) .unwrap_or_else(|| OsString::from("cmake")) } // If we are building for Emscripten, wrap the calls to CMake // as "emcmake cmake ..." and "emmake cmake --build ...". // https://emscripten.org/docs/compiling/Building-Projects.html fn cmake_configure_command(&mut self, target: &str) -> Command { if target.contains("emscripten") { let emcmake = self .getenv_target_os("EMCMAKE") .unwrap_or_else(|| OsString::from("emcmake")); let mut cmd = Command::new(emcmake); cmd.arg(self.cmake_executable(target)); cmd } else { Command::new(self.cmake_executable(target)) } } fn cmake_build_command(&mut self, target: &str) -> Command { if target.contains("emscripten") { let emmake = self .getenv_target_os("EMMAKE") .unwrap_or_else(|| OsString::from("emmake")); let mut cmd = Command::new(emmake); cmd.arg(self.cmake_executable(target)); cmd } else { Command::new(self.cmake_executable(target)) } } fn getenv_os(&mut self, v: &str) -> Option { 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 { 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::Vs18) => "Visual Studio 18 2026", 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", // This was deprecated recently (2024-07). Ignore the warning for now. #[allow(deprecated)] 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(|(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 = self .path .canonicalize() .unwrap_or_else(|_| self.path.to_owned()); 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; } } } } #[derive(Debug, PartialEq, Eq, PartialOrd, Ord)] struct Version { major: u32, minor: u32, } impl Version { fn new(major: u32, minor: u32) -> Self { Self { major, minor } } fn parse(s: &str) -> Option { // As of 3.22, the format of the version output is "cmake version ..". // ``` // $ cmake --version // cmake version 3.22.2 // // CMake suite maintained and supported by Kitware (kitware.com/cmake). // ``` let version = s.lines().next()?.strip_prefix("cmake version ")?; let mut digits = version.splitn(3, '.'); // split version string to major minor patch let major = digits.next()?.parse::().ok()?; let minor = digits.next()?.parse::().ok()?; // Ignore the patch version because it does not change the API. Some(Version::new(major, minor)) } fn from_command(executable: &OsStr) -> Option { let output = Command::new(executable).arg("--version").output().ok()?; if !output.status.success() { return None; } let stdout = core::str::from_utf8(&output.stdout).ok()?; Self::parse(stdout) } } impl Default for Version { fn default() -> Self { // If the version parsing fails, we assume that it is the latest known // version. This is because the failure of version parsing may be due to // the version output being changed. Self::new(3, 22) } } fn run(cmd: &mut Command, program: &str) { eprintln!("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() { if status.code() == Some(127) { fail(&format!( "command did not execute successfully, got: {}, is `{}` not installed?", status, program )); } fail(&format!( "command did not execute successfully, got: {}", status )); } } fn find_exe(path: &Path) -> PathBuf { env::split_paths(&env::var_os("PATH").unwrap_or_default()) .map(|p| p.join(path)) .find(|p| fs::metadata(p).is_ok()) .unwrap_or_else(|| 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) } /// Returns whether the given MAKEFLAGS indicate that there is an available /// jobserver that uses a named pipe (fifo) fn uses_named_pipe_jobserver(makeflags: &OsStr) -> bool { makeflags .to_string_lossy() // auth option as defined in // https://www.gnu.org/software/make/manual/html_node/POSIX-Jobserver.html#POSIX-Jobserver .contains("--jobserver-auth=fifo:") } #[cfg(not(windows))] fn fix_build_dir(path: &Path) -> PathBuf { path.into() } // Change relative paths to absolute to workaround #200 where // some flavors of CMake on Windows otherwise fail with // `error MSB1009: Project file does not exist` #[cfg(windows)] fn fix_build_dir(path: &Path) -> PathBuf { use std::os::windows::ffi::{OsStrExt, OsStringExt}; use std::ptr::null_mut; if path.is_absolute() { return path.into(); } #[cfg_attr(not(target_arch = "x86"), link(name = "kernel32", kind = "raw-dylib"))] #[cfg_attr( target_arch = "x86", link( name = "kernel32", kind = "raw-dylib", import_name_type = "undecorated" ) )] extern "system" { fn GetFullPathNameW( lpfilename: *const u16, nbufferlength: u32, lpbuffer: *mut u16, lpfilepart: *mut *mut u16, ) -> u32; } // FIXME(ChrisDenton): once MSRV is >=1.79 use `std::path::absolute` instead of this. let path_utf16: Vec = path.as_os_str().encode_wide().chain([0]).collect(); unsafe { // Calling `GetFullPathNameW` with a buffer of length zero will return the necessary buffer size. let expected_len = GetFullPathNameW(path_utf16.as_ptr(), 0, null_mut(), null_mut()); let mut buffer = vec![0; expected_len as usize]; let len = GetFullPathNameW( path_utf16.as_ptr(), expected_len, buffer.as_mut_ptr(), null_mut(), ) as usize; if len == 0 || len > buffer.len() { // Failed to get the absolute path. Fallback to using the original path. return path.into(); } // If successful then `len` will be the length of the path that was written to the buffer. buffer.truncate(len); OsString::from_wide(&buffer).into() } } #[cfg(windows)] fn find_cmake_executable(target: &str) -> Option { use cc::windows_registry::find_tool; // Try to find cmake.exe bundled with MSVC, but only if there isn't another one in path let cmake_in_path = env::split_paths(&env::var_os("PATH").unwrap_or(OsString::new())) .any(|p| p.join("cmake.exe").exists()); if cmake_in_path { None } else { find_tool(target, "devenv").and_then(|t| { t.path() .join("..\\CommonExtensions\\Microsoft\\CMake\\CMake\\bin\\cmake.exe") .canonicalize() .ok() .map(OsString::from) }) } } #[cfg(not(windows))] fn find_cmake_executable(_target: &str) -> Option { None } #[cfg(test)] mod tests { use super::uses_named_pipe_jobserver; use super::Version; #[test] fn test_cmake_version() { let text = "cmake version 3.22.2 CMake suite maintained and supported by Kitware (kitware.com/cmake). "; let v = Version::parse(text).unwrap(); assert_eq!(v, Version::new(3, 22)); assert!(Version::new(3, 22) > Version::new(3, 21)); assert!(Version::new(3, 22) < Version::new(3, 23)); let _v = Version::from_command("cmake".as_ref()).unwrap(); } #[test] fn test_uses_fifo_jobserver() { assert!(uses_named_pipe_jobserver( "-j --jobserver-auth=fifo:/foo".as_ref() )); assert!(!uses_named_pipe_jobserver( "-j --jobserver-auth=8:9".as_ref() )); } }