boot

.github/workflows/main.yml

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+name: Build & Test
+
+on:
+  pull_request:
+  push:
+  schedule:
+    # Prime the caches every Monday
+    - cron: 0 1 * * MON
+
+permissions: read-all
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - macos-latest
+          - ubuntu-latest
+        ocaml-compiler:
+          - "5.1"
+        allow-prerelease-opam:
+          - true
+        opam-repositories:
+          - |-
+            default: https://github.com/ocaml/opam-repository.git
+      # include:
+      #   - os: windows-latest
+      #     ocaml-compiler: ocaml-variants.5.1.0+options,ocaml-option-mingw
+      #     allow-prerelease-opam: false
+      #     opam-repositories: |-
+      #       windows-5.0: https://github.com/dra27/opam-repository.git#windows-5.0
+      #       sunset: https://github.com/ocaml-opam/opam-repository-mingw.git#sunset
+      #       default: https://github.com/ocaml/opam-repository.git
+
+    runs-on: ${{ matrix.os }}
+
+    steps:
+      - name: Checkout tree
+        uses: actions/checkout@v4
+
+      - name: Set-up OCaml
+        uses: ocaml/setup-ocaml@v2
+        with:
+          ocaml-compiler: ${{ matrix.ocaml-compiler }}
+          allow-prerelease-opam: ${{ matrix.allow-prerelease-opam }}
+          opam-repositories: ${{ matrix.opam-repositories }}
+
+      - run: opam install . --deps-only --with-test
+
+      - run: opam exec -- dune build
+
+      - run: opam exec -- dune test

.gitignore

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+_build

README.md

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+# libc - raw definitions and bindings to platforms' system libraries
+
+`libc` provides definitions (and in the future bindings) to easily interoperate
+with C code (or "C-like" code) on several platforms, and it does this with a
+target and architecture aware API.
+
+Platforms included:
+
+* `aarch64-macos-darwin`
+* PRs welcome!
+
+## Contributing
+
+Including new platforms, while tedious, is pretty straightforward. We are using Rust's `libc` as a template for what are interesting/useful definitions on each platform.
+
+That way, the easiest way to get started is to find the right platform version
+of `libc` for Rust, and translate the definitions.
+
+Common types are currently included in the `types.ml` module, so you can `open
+Types` at the top of your new module.
+

dune-project

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+(lang dune 3.12)
+
+(name libc)
+
+(generate_opam_files true)
+
+(source
+ (github username/reponame))
+
+(authors "Author Name")
+
+(maintainers "Maintainer Name")
+
+(license LICENSE)
+
+(documentation https://url/to/documentation)
+
+(package
+ (name libc)
+ (synopsis "A short synopsis")
+ (description "A longer description")
+ (depends 
+   (config (>= "0.0.1"))
+   ocaml
+   dune
+          )
+ (tags
+  (topics "to describe" your project)))
+
+; See the complete stanza docs at https://dune.readthedocs.io/en/stable/dune-files.html#dune-project

libc.opam

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+# This file is generated by dune, edit dune-project instead
+opam-version: "2.0"
+synopsis: "A short synopsis"
+description: "A longer description"
+maintainer: ["Maintainer Name"]
+authors: ["Author Name"]
+license: "LICENSE"
+tags: ["topics" "to describe" "your" "project"]
+homepage: "https://github.com/username/reponame"
+doc: "https://url/to/documentation"
+bug-reports: "https://github.com/username/reponame/issues"
+depends: [
+  "config" {>= "0.0.1"}
+  "ocaml"
+  "dune" {>= "3.12"}
+  "odoc" {with-doc}
+]
+build: [
+  ["dune" "subst"] {dev}
+  [
+    "dune"
+    "build"
+    "-p"
+    name
+    "-j"
+    jobs
+    "@install"
+    "@runtest" {with-test}
+    "@doc" {with-doc}
+  ]
+]
+dev-repo: "git+https://github.com/username/reponame.git"

libc/dune

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+(library
+ (public_name libc)
+ (preprocess
+  (pps config.ppx)))

libc/libc.ml

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+include Libc_aarch64_apple_darwin [@@config
+                                    all
+                                      ( target_os = "darwin",
+                                        target_arch = "aarch64" )]