Build also for Poplar SDK v3.3

.github/workflows/build_libpoplar.yml

@@ -18,6 +18,7 @@ jobs:
       matrix:
         include:
           - docker_image: graphcore/poplar:3.2.0-ubuntu-20.04-20230314
+          - docker_image: graphcore/poplar:3.3.0-ubuntu-20.04-20230703
     steps:
       - name: "Install, g++, jq"
         # g++ is needed to build the wrapper, jq for
@@ -32,6 +33,19 @@ jobs:
         with:
           version: "1.7"
       - uses: julia-actions/cache@v1
+      - name: "Export environment variables"
+        # Starting from graphcore/poplar:3.3.0 some environment variables like `CPATH` and
+        # `LD_LIBRARY_PATH`, which we need for building the bindings, are only set with the
+        # `bash` shell, while GHA uses by default `sh` for steps inside containers.  So we
+        # need to start a step with `shell: bash` and re-export the relevant variables for
+        # the following steps.
+        shell: bash
+        run: |
+          echo "PATH=${PATH}" >> "${GITHUB_ENV}"
+          echo "CPATH=${CPATH}" >> "${GITHUB_ENV}"
+          echo "LIBRARY_PATH=${LIBRARY_PATH}" >> "${GITHUB_ENV}"
+          echo "LD_LIBRARY_PATH=${LD_LIBRARY_PATH}" >> "${GITHUB_ENV}"
+          echo "POPLAR_SDK_ENABLED=${POPLAR_SDK_ENABLED}" >> "${GITHUB_ENV}"
       - name: Instantiate wrapper generation environment
         working-directory: ${{ github.workspace }}/deps
         run: |

deps/Project.toml

@@ -7,7 +7,7 @@ UUIDs = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
 libcxxwrap_julia_jll = "3eaa8342-bff7-56a5-9981-c04077f7cee7"
 
 [compat]
-Clang = "0.14, 0.17.4"
+Clang = "0.14, 0.17.4, 0.18"
 JSON = "0.21.4"
 Pkg = "1"
 Scratch = "1.1"