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v0.4.5 (2023-11-30)

Fixes

  • Fix hostbuild executables when cross-compiling on windows to non-windows targets (Only with CMake >= 3.19).

v0.4.4 (2023-10-06)

Fixes

  • Add chimera (#445) and unikraft (#446) to the list of known vendors

v0.4.3 (2023-09-09)

Fixes

  • Fix the PROFILE option with CMake < 3.19 [#427]
  • Relax vendor parsing for espressif targets (removes warnings)
  • Fix an issue detecting required link libraries with Rust >= 1.71 when the cmake build directory is located in a Cargo workspace.

0.4.2 (2023-07-16)

Fixes

  • Fix an issue when cross-compiling with clang
  • Fix detecting required libraries with cargo 1.71

New features

  • Users can now set Rust_RESOLVE_RUSTUP_TOOLCHAINS to OFF, which will result in Corrosion not attempting to resolve rustc/cargo.

0.4.1 (2023-06-03)

This is a bugfix release.

Fixes

  • Fixes a regression on multi-config Generators

0.4.0 LTS (2023-06-01)

No changes compared to v0.4.0-beta2.

Announcements

The v0.4.x LTS series will be the last release to support older CMake and Rust versions. If necessary, fixes will be backported to the v0.4 branch. New features will not be actively backported after the next major release, but community contributions are possible. The v0.4.x series is currently planned to be maintained until the end of 2024.

The following major release will increase the minimum required CMake version to 3.22. The minimum supported Rust version will also be increased to make use of newly added flags, but the exact version is not fixed yet.

Changes compared to v0.3.5:

Breaking Changes

  • The Visual Studio Generators now require at least CMake 3.20. This was previously announced in the 0.3.0 release notes and is the same requirement as for the other Multi-Config Generators.
  • The previously deprecated function corrosion_set_linker_language() will now raise an error when called and may be removed without further notice in future stable releases. Use corrosion_set_linker() instead.
  • Improved the FindRust target triple detection, which may cause different behavior in some cases. The detection does not require an enabled language anymore and will always fall back to the default host target triple. A warning is issued if target triple detection failed.

Potentially Breaking Changes

  • Corrosion now sets the IMPORTED_NO_SONAME property for shared rust libraries, since by default they won't have an soname field. If you add a rustflag like -Clink-arg=-Wl,-soname,libmycrate.so in your project, you should set this property to false on the shared rust library.
  • Corrosion now uses a mechanism to determine which native libraries need to be linked with Rust staticlib targets into C/C++ targets. The previous mechanism contained a hardcoded list. The new mechanism asks rustc which libraries are needed at minimum for a given target triple (with std support). This should not be a breaking change, but if you do encounter a new linking issue when upgrading with staticlib targets, please open an issue.

New features

  • corrosion_import_crate() has two new options LOCKED and FROZEN which pass the --locked and --frozen flags to all invocations of cargo.
  • FindRust now provides cache variables containing information on the default host target triple:
    • Rust_CARGO_HOST_ARCH
    • Rust_CARGO_HOST_VENDOR
    • Rust_CARGO_HOST_OS
    • Rust_CARGO_HOST_ENV

Other changes

  • When installing Corrosion with CMake >= 3.19, the legacy Generator tool is no longer built and installed by default.
  • Corrosion now issues a warning when setting the linker or setting linker options for a Rust static library.
  • Corrosion no longer enables the C language when CMake is in crosscompiling mode and no languages where previously enabled. This is not considered a breaking change.
  • corrosion_import_crate() now warns about unexpected arguments.

Fixes

  • Fix building when the dev profile is explicitly set by the user.

Experimental features (may be changed or removed without a major version bump)

  • Experimental cxxbridge and cbindgen integration.
  • Add a helper function to parse the package version from a Cargo.toml file
  • Expose rustup toolchains discovered by FindRust in the following cache variables which contain a list.
    • Rust_RUSTUP_TOOLCHAINS: List of toolchains names
    • Rust_RUSTUP_TOOLCHAINS_VERSION: List of rustc version of the toolchains
    • Rust_RUSTUP_TOOLCHAINS_RUSTC_PATH: List of the path to rustc
    • Rust_RUSTUP_TOOLCHAINS_CARGO_PATH: List of the path to cargo. Entries may be NOTFOUND if cargo is not available for that toolchain.
  • Add target properties INTERFACE_CORROSION_RUSTC and INTERFACE_CORROSION_CARGO, which may be set to paths to rustc and cargo respectively to override the toolchain for a specific target.

0.3.5 (2023-03-19)

  • Fix building the Legacy Generator on Rust toolchains < 1.56 (#365)

0.3.4 (2023-03-02)

Fixes

  • Fix hostbuild (when CMake/Cargo is configured for cross-compiling) if clang is used (#338).

Other

  • Pass --no-deps to cargo metadata (#334).
  • Bump the legacy generator dependencies

0.3.3 (2023-02-17)

New features (Only available on CMake >= 3.19)

  • Add new IMPORTED_CRATES flag to corrosion_import_crate() to retrieve the list of imported crates in the current scope (#312).

Fixes

  • Fix imported location target property when the rust target name contains dashes and a custom OUTPUT_DIRECTORY was specified by the user (#322).
  • Fix building for custom rust target-triples (#316)

0.3.2 (2023-01-11)

New features (Only available on CMake >= 3.19)

  • Add new CRATE_TYPES flag to corrosion_import_crate() to restrict which crate types should be imported (#269).
  • Add NO_LINKER_OVERRIDE flag to let Rust choose the default linker for the target instead of what Corrosion thinks is the appropriate linker driver (#272).

Fixes

  • Fix clean target when cross-compiling (#291).
  • Don't set the linker for Rust static libraries (#275).
  • Minor fixes in FindRust #297:
    • fix a logic error in the version detection
    • fix a logic error in QUIET mode when rustup is not found.

0.3.1 (2022-12-13)

Fixes

  • Fix a regression in detecting the MSVC abi (#256)
  • Fix an issue on macOS 13 which affected rust crates compiling C++ code in build scripts (#254).
  • Fix corrosion not respecting CMAKE_<XYZ>_OUTPUT_DIRECTORY values (#268).
  • Don't override rusts linker choice for the msvc abi (previously this was only skipped for msvc generators) (#271)

0.3.0 (2022-10-31)

Breaking

  • The minimum supported rust version (MSRV) was increased to 1.46, due to a cargo issue that recently surfaced on CI when using crates.io. On MacOS 12 and Windows-2022 at least Rust 1.54 is required.
  • MacOS 10 and 11 are no longer officially supported and untested in CI.
  • The minimum required CMake version is now 3.15.
  • Adding a PRE_BUILD custom command on a cargo-build_<target_name> CMake target will no longer work as expected. To support executing user defined commands before cargo build is invoked users should use the newly added targets cargo-prebuild (before all cargo build invocations) or cargo-prebuild_<target_name> as a dependency target. Example: add_dependencies(cargo-prebuild code_generator_target)

Breaking: Removed previously deprecated functionality

  • Removed add_crate() function. Use corrosio_import_crate() instead.
  • Removed cargo_link_libraries() function. Use corrosion_link_libraries() instead.
  • Removed experimental CMake option CORROSION_EXPERIMENTAL_PARSER. The corresponding stable option is CORROSION_NATIVE_TOOLING albeit with inverted semantics.
  • Previously Corrosion would set the HOST_CC and HOST_CXX environment variables when invoking cargo build, if the environment variables CC and CXX outside of CMake where set. However this did not work as expected in all cases and sometimes the HOST_CC variable would be set to a cross-compiler for unknown reasons. For this reason HOST_CC and HOST_CXX are not set by corrosion anymore, but users can still set them manually if required via corrosion_set_env_vars().
  • The CARGO_RUST_FLAGS family of cache variables were removed. Corrosion does not internally use them anymore.

Potentially breaking

  • The working directory when invoking cargo build was changed to the directory of the Manifest file. This now allows cargo to pick up .cargo/config.toml files located in the source tree. (205)
  • Corrosion internally invokes cargo build. When passing arguments to cargo build, Corrosion now uses the CMake VERBATIM option. In rare cases this may require you to change how you quote parameters passed to corrosion (e.g. via corrosion_add_target_rustflags()). For example setting a cfg option previously required double escaping the rustflag like this "--cfg=something=\\\"value\\\"", but now it can be passed to corrosion without any escapes: --cfg=something="value".
  • Corrosion now respects the CMake OUTPUT_DIRECTORY target properties. More details in the "New features" section.

New features

  • Support setting rustflags for only the main target and none of its dependencies (215). A new function corrosion_add_target_local_rustflags(target_name rustc_flag [more_flags ...]) is added for this purpose. This is useful in cases where you only need rustflags on the main-crate, but need to set different flags for different targets. Without "local" Rustflags this would require rebuilds of the dependencies when switching targets.
  • Support explicitly selecting a linker (208). The linker can be selected via corrosion_set_linker(target_name linker). Please note that this only has an effect for targets, where the final linker invocation is done by cargo, i.e. targets where foreign code is linked into rust code and not the other way around.
  • Corrosion now respects the CMake OUTPUT_DIRECTORY target properties and copies build artifacts to the expected locations (217), if the properties are set. This feature requires at least CMake 3.19 and is enabled by default if supported. Please note that the OUTPUT_NAME target properties are currently not supported. Specifically, the following target properties are now respected:
  • Corrosion now supports packages with potentially multiple binaries (bins) and a library (lib) at the same time. The only requirement is that the names of all bins and libs in the whole project must be unique. Users can set the names in the Cargo.toml by adding name = <unique_name> in the [[bin]] and [lib] tables.
  • FindRust now has improved support for the VERSION option of find_package and will now attempt to find a matching toolchain version. Previously it was only checked if the default toolchain matched to required version.
  • For rustup managed toolchains a CMake error is issued with a helpful message if the required target for the selected toolchain is not installed.

Fixes

  • Fix a CMake developer Warning when a Multi-Config Generator and Rust executable targets (#213).
  • FindRust now respects the QUIET option to find_package() in most cases.

Deprecation notice

  • Support for the MSVC Generators with CMake toolchains before 3.20 is deprecated and will be removed in the next release (v0.4). All other Multi-config Generators already require CMake 3.20.

Internal Changes

  • The CMake Generator written in Rust and CorrosionGenerator.cmake which are responsible for parsing cargo metadata output to create corresponding CMake targets for all Rust targets now share most code. This greatly simplified the CMake generator written in Rust and makes it much easier maintaining and adding new features regardless of how cargo metadata is parsed.

0.2.2 (2022-09-01)

Fixes

  • Do not use C++17 in the tests (makes tests work with older C++ compilers) (184)
  • Fix finding cargo on NixOS (192)
  • Fix issue with Rustflags test when using a Build type other than Debug and Release (203).

0.2.1 (2022-05-07)

Fixes

  • Fix missing variables provided by corrosion, when corrosion is used as a subdirectory (181): Public Variables set by Corrosion were not visible when using Corrosion as a subdirectory, due to the wrong scope of the variables. This was fixed by promoting the respective variables to Cache variables.

0.2.0 (2022-05-05)

Breaking changes

  • Removed the integrator build script (#156). The build script provided by corrosion (for rust code that links in foreign code) is no longer necessary, so users can just remove the dependency.

Deprecations

  • Direct usage of the following target properties has been deprecated. The names of the custom properties are no longer considered part of the public API and may change in the future. Instead, please use the functions provided by corrosion. Internally different property names are used depending on the CMake version.
    • CORROSION_FEATURES, CORROSION_ALL_FEATURES, CORROSION_NO_DEFAULT_FEATURES. Instead please use corrosion_set_features(). See the updated Readme for details.
    • CORROSION_ENVIRONMENT_VARIABLES. Please use corrosion_set_env_vars() instead.
    • CORROSION_USE_HOST_BUILD. Please use corrosion_set_hostbuild() instead.
  • The Minimum CMake version will likely be increased for the next major release. At the very least we want to drop support for CMake 3.12, but requiring CMake 3.16 or even 3.18 is also on the table. If you are using a CMake version that would be no longer supported by corrosion, please comment on issue #168, so that we can gauge the number of affected users.

New features

  • Add NO_STD option to corrosion_import_crate (#154).
  • Remove the requirement of building the Rust based generator crate for CMake >= 3.19. This makes using corrosion as a subdirectory as fast as the installed version (since everything is done in CMake). (#131, #161) If you do choose to install Corrosion, then by default the old Generator is still compiled and installed, so you can fall back to using it in case you use multiple cmake versions on the same machine for different projects.

Fixes

  • Fix Corrosion on MacOS 11 and 12 (#167 and #164).
  • Improve robustness of parsing the LLVM version (exported in Rust_LLVM_VERSION). It now also works for Rust versions, where the LLVM version is reported as MAJOR.MINOR. (#148)
  • Fix a bug which occurred when Corrosion was added multiple times via add_subdirectory() (#143).
  • Set CC_<target_triple_undercore> and CXX_<target_triple_undercore> environment variables for the invocation of cargo build to the compilers selected by CMake (if any) (#138 and #161). This should ensure that C dependencies built in cargo buildscripts via cc-rs use the same compiler as CMake built dependencies. Users can override the compiler by specifying the higher priority environment variable variants with dashes instead of underscores (See cc-rs documentation for details).
  • Fix Ninja-Multiconfig Generator support for CMake versions >= 3.20. Previous CMake versions are missing a feature, which prevents us from supporting the Ninja-Multiconfig generator. (#137)

0.1.0 (2022-02-01)

This is the first release of corrosion after it was moved to the new corrosion-rs organization. Since there are no previous releases, this is not a complete changelog but only lists changes since September 2021.

New features

Fixes

Known issues:

  • Corrosion is currently not working on macos-11 and newer. See issue #104. Contributions are welcome.