Make LLVM build type selectable by host environment variable.

.devcontainer/Dockerfile

@@ -24,4 +24,3 @@ ADD ${HYLO_LLVM_DOWNLOAD_URL}/${HYLO_LLVM_BUILD_RELEASE}/llvm-${LLVM_VERSION}-aa
 RUN tar -x --zstd -f /opt/llvm-${LLVM_VERSION}-aarch64-unknown-linux-gnu-MinSizeRel.tar.zst -C /opt
 
 RUN rm /opt/llvm-*.tar.zst
-ENV PATH="/opt/llvm-MinSizeRel/bin:$PATH"

.devcontainer/devcontainer.json

@@ -40,10 +40,13 @@
     },
     // Use 'forwardPorts' to make a list of ports inside the container available locally.
     // "forwardPorts": [],
-
-    // Use 'postCreateCommand' to run commands after the container is created.
-    "postCreateCommand": "sudo ln -s /opt/llvm-*-$(uname -m)-*-Debug /opt/llvm-Debug && sudo ln -s /opt/llvm-*-$(uname -m)-*-MinSizeRel /opt/llvm-MinSizeRel && sudo PATH=\"/opt/llvm-MinSizeRel/bin:$PATH\" ./Tools/make-pkgconfig.sh /usr/local/lib/pkgconfig/llvm.pc",
-
+    "containerEnv": {
+        "HYLO_LLVM_BUILD_TYPE": "${localEnv:HYLO_LLVM_BUILD_TYPE:MinSizeRel}",
+    },
+    "remoteEnv": {
+        "PATH": "/opt/llvm-${containerEnv:HYLO_LLVM_BUILD_TYPE}/bin:${containerEnv:PATH}"
+    },
+    "postCreateCommand": "sudo PATH=/opt/llvm-${localEnv:HYLO_LLVM_BUILD_TYPE:MinSizeRel}/bin:\"$PATH\" .devcontainer/postCreateCommand.sh",
     // Set `remoteUser` to `root` to connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
     "remoteUser": "vscode"
 }

.github/workflows/test.yml

@@ -36,6 +36,8 @@ jobs:
       uses: devcontainers/[email protected]
       with:
         runCmd: swift test --parallel -v -c ${{ matrix.configuration }} ${{ matrix.host.test-options }}
+        env:
+          HYLO_LLVM_BUILD_TYPE: ${{ matrix.configuration == 'debug' && 'Debug' || 'MinSizeRel' }}
 
   build-native:
     name: "Native: ${{ matrix.host.os }}/${{ matrix.configuration }}"