Start playing with building the libpoplar wrapper in CI

.github/workflows/build_libpoplar.yml

@@ -0,0 +1,48 @@
+name: Build libpoplar wrapper
+
+on:
+  push:
+    branches: "main"
+    tags: ["*"]
+  pull_request:
+  release:
+
+jobs:
+  build-libpoplar:
+    runs-on: ubuntu-latest
+    container:
+      image: ${{ matrix.docker_image }}
+      options: --privileged
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - docker_image: graphcore/poplar:3.2.0-ubuntu-20.04-20230314
+    steps:
+      - name: "Install, g++, git, jq"
+        # g++ is needed to build the wrapper, git to publish the docs, jq for
+        # the `julia-actions/cache` workflow
+        run: |
+          apt-get update -y
+          apt-get install -y g++ git jq
+        env:
+          DEBIAN_FRONTEND: noninteractive
+      - uses: actions/checkout@v4
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: "1.7"
+      - uses: julia-actions/cache@v1
+      - name: Generate source code of libpoplar wrapper
+        working-directory: ${{ github.workspace }}/deps
+        shell: julia --project=. --color=yes {0}
+        run: |
+          using Pkg
+          Pkg.instantiate()
+          run(`pwd`)
+          run(`ls -lhrt .`)
+          @show pwd()
+          @show @__DIR__
+          include(joinpath(pwd(), "generate_wrapper.jl"))
+          generate_wrappers()
+        env:
+          CXX: g++

.github/workflows/ci.yml

@@ -1,11 +1,11 @@
 name: Tests and docs
 
 on:
-  push:
-    branches: "main"
-    tags: ["*"]
-  pull_request:
-  release:
+  # push:
+  #   branches: "main"
+  #   tags: ["*"]
+  # pull_request:
+  # release:
 
 # Note: ideally we'd have one job for running the tests and another for building
 # documentation, but running CI of this package is a bit expensive, the easiest

deps/Project.toml

@@ -0,0 +1,16 @@
+[deps]
+Clang = "40e3b903-d033-50b4-a0cc-940c62c95e31"
+JSON = "682c06a0-de6a-54ab-a142-c8b1cf79cde6"
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+Scratch = "6c6a2e73-6563-6170-7368-637461726353"
+UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+libcxxwrap_julia_jll = "3eaa8342-bff7-56a5-9981-c04077f7cee7"
+
+[compat]
+Clang = "0.14, 0.17.4"
+JSON = "0.21.4"
+Pkg = "1"
+Scratch = "1.1"
+UUIDs = "1"
+libcxxwrap_julia_jll = "0.11"
+julia = "1.7"