forked from lix-project/lix
53 lines
2.1 KiB
Meson
53 lines
2.1 KiB
Meson
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# Until Meson 1.5¹, we can't just give Meson a Cargo.lock file and be done with it.
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# Meson will *detect* what dependencies are needed from Cargo files; it just won't
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# fetch them. The Meson 1.5 feature essentially internally translates Cargo.lock entries
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# to .wrap files, and that translation is incredibly straightforward, so let's just
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# use a simple Python script to generate the .wrap files ourselves while we wait for
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# Meson 1.5. Weirdly, it seems Meson will only detect dependencies from other
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# dependency() calls, so we have to specify lix-doc's two top-level dependencies,
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# rnix and rowan, manually, and then their dependencies will be recursively translated
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# into more dependency() calls.
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#
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# When Meson translates a Cargo dependency, the string passed to `dependency()` follows
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# a fixed format, which is important as the .wrap files' basenames must match the string
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# passed to `dependency()` exactly.
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# In Meson 1.4, this format is `$packageName-rs`. Meson 1.5 changes this to
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# `$packageName-$shortenedVersionString-rs`, because of course it does, but we'll cross
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# that bridge when we get there...
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#
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# [1]: https://github.com/mesonbuild/meson/commit/9b8378985dbdc0112d11893dd42b33b7bc8d1e62
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run_command(
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python,
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meson.project_source_root() / 'meson/cargo-lock-to-wraps.py',
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meson.current_source_dir() / 'Cargo.lock',
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meson.project_source_root() / 'subprojects',
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check : true,
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)
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# The external crate rowan has an ambiguous pointer comparison warning, which
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# we don't want to fail our whole build if werror is on.
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subproject('rowan-rs', default_options : ['werror=false'])
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rnix = dependency('rnix-rs')
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rowan = dependency('rowan-rs')
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lix_doc = static_library(
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'lix_doc',
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sources : files('src/lib.rs'),
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rust_abi : 'c',
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dependencies : [
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rowan,
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rnix,
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],
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# If an installed static library depends on this target, then Meson will force
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# that to link with `-Wl,--whole-archive`, unless we also install this target.
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# `-Wl,--whole-archive` can cause some Problems when linking multiple nested
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# static libraries, so let's just install the damn thing.
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install : true,
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)
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liblix_doc = declare_dependency(
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link_with : lix_doc,
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)
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