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84 lines
2.9 KiB
84 lines
2.9 KiB
--- |
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title: Release 0.41 |
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short-description: Release notes for 0.41 |
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# New features |
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## Dependency Handler for LLVM |
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Native support for linking against LLVM using the `dependency` function. |
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## vcs_tag keyword fallback is now optional |
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The `fallback` keyword in `vcs_tag()` is now optional. If not given, |
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its value defaults to the return value of `meson.project_version()`. |
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## Better quoting of special characters in ninja command invocations |
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The ninja backend now quotes special characters that may be |
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interpreted by ninja itself, providing better interoperability with |
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custom commands. This support may not be perfect; please report any |
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issues found with special characters to the issue tracker. |
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## Pkgconfig support for custom variables |
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The Pkgconfig module object can add arbitrary variables to the generated .pc |
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file with the new `variables` keyword: |
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```meson |
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pkg.generate(libraries : libs, |
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subdirs : h, |
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version : '1.0', |
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name : 'libsimple', |
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filebase : 'simple', |
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description : 'A simple demo library.', |
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variables : ['datadir=${prefix}/data']) |
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``` |
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## A target for creating tarballs |
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Creating distribution tarballs is simple: |
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ninja dist |
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This will create a `.tar.xz` archive of the source code including |
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submodules without any revision control information. This command also |
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verifies that the resulting archive can be built, tested and |
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installed. This is roughly equivalent to the `distcheck` target in |
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other build systems. Currently this only works for projects using Git |
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and only with the Ninja backend. |
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## Support for passing arguments to Rust compiler |
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Targets for building rust now take a `rust_args` keyword. |
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## Code coverage export for tests |
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Code coverage can be generated for tests by passing the `--cov` argument to |
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the `run_tests.py` test runner. Note, since multiple processes are used, |
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coverage must be combined before producing a report (`coverage3 combine`). |
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## Reproducible builds |
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All known issues have been fixed and Meson can now build reproducible Debian |
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packages out of the box. |
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## Extended template substitution in configure_file |
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The output argument of `configure_file()` is parsed for @BASENAME@ and |
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@PLAINNAME@ substitutions. |
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## Cross-config property for overriding whether an exe wrapper is needed |
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The new `needs_exe_wrapper` property allows overriding auto-detection for |
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cases where `build_machine` appears to be compatible with `host_machine`, |
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but actually isn't. For example when: |
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- `build_machine` is macOS and `host_machine` is the iOS Simulator |
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- the `build_machine`'s libc is glibc but the `host_machine` libc is uClibc |
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- code relies on kernel features not available on the `build_machine` |
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## Support for capturing stdout of a command in configure_file |
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`configure_file()` now supports a new keyword - `capture`. When this argument |
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is set to true, Meson captures `stdout` of the `command` and writes it to |
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the target file specified as `output`.
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