build: move to a Cargo workspace
This is purely to let Cargo's dependency resolver do stuff for us, we do not actually intend to build this stuff with Cargo to begin with. Change-Id: I4c08d55595c7c27b7096375022581e1e34308a87
This commit is contained in:
parent
e38410799b
commit
dba615098d
7 changed files with 42 additions and 31 deletions
7
.gitignore
vendored
7
.gitignore
vendored
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@ -9,6 +9,10 @@ GTAGS
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# ccls
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/.ccls-cache
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# auto-generated compilation database
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compile_commands.json
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rust-project.json
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result
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result-*
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@ -29,3 +33,6 @@ buildtime.bin
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/.pre-commit-config.yaml
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/.nocontribmsg
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/release
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# Rust build files when using Cargo (not actually supported for building but it spews the files anyway)
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/target/
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0
src/lix-doc/Cargo.lock → Cargo.lock
generated
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src/lix-doc/Cargo.lock → Cargo.lock
generated
6
Cargo.toml
Normal file
6
Cargo.toml
Normal file
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@ -0,0 +1,6 @@
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[workspace]
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resolver = "2"
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members = ["src/lix-doc"]
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[workspace.package]
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edition = "2021"
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26
meson.build
26
meson.build
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@ -545,6 +545,32 @@ if cxx.get_id() in ['clang', 'gcc']
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)
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endif
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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-$shortenedVersionString-rs`, because of course it does, but we'll cross
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# that bridge when we get there...
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#
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# [1]: https://github.com/mesonbuild/meson/commit/9b8378985dbdc0112d11893dd42b33b7bc8d1e62
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run_command(
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python,
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meson.project_source_root() / 'meson/cargo-lock-to-wraps.py',
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meson.project_source_root() / 'Cargo.lock',
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meson.project_source_root() / 'subprojects',
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check : true,
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)
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if is_darwin
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configure_file(
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input : 'misc/launchd/org.nixos.nix-daemon.plist.in',
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@ -137,6 +137,8 @@ let
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./meson
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./scripts/meson.build
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./subprojects
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# Required for meson to generate Cargo wraps
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./Cargo.lock
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]);
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functionalTestFiles = fileset.unions [
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@ -288,7 +290,7 @@ stdenv.mkDerivation (finalAttrs: {
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BOOST_LIBRARYDIR = "${lib.getLib boost}/lib";
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};
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cargoDeps = rustPlatform.importCargoLock { lockFile = ./src/lix-doc/Cargo.lock; };
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cargoDeps = rustPlatform.importCargoLock { lockFile = ./Cargo.lock; };
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preConfigure =
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lib.optionalString (!finalAttrs.dontBuild && !hostPlatform.isStatic) ''
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@ -8,9 +8,6 @@ license = "BSD-2-Clause OR MIT"
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homepage = "https://github.com/lf-/nix-doc"
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repository = "https://github.com/lf-/nix-doc"
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[lib]
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crate_type = ["staticlib"]
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[dependencies]
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rnix = "0.11.0"
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# Necessary because rnix fails to export a critical trait (Rowan's AstNode).
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@ -1,30 +1,3 @@
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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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