Merge pull request #544 from alan-forbes-cp/alan/OR-490_create_llvm_x86

x86 updates to create_llvm

.github/workflows/create_llvm.yml

@@ -20,20 +20,26 @@ jobs:
         version: [17, 18]
         os: [ubuntu-22.04, windows-2019]
         build_type: [Release, RelAssert]
-        arch : [x86_64, aarch64]
+        arch : [x86, x86_64, aarch64]
         exclude:
-          # Reduce the versions of llvm for aarch64 architecture, as
+          # Reduce the versions of llvm for aarch64 & x86 architectures and windows, as
           # well as any windows os variants to reduce cache usage.
           - arch: aarch64
             version: 17
           - arch: aarch64
             build_type: Release
+          - arch: x86
+            version: 17
+          - arch: x86
+            build_type: Release
           - os: windows-2019
             version: 17
           - os: windows-2019
             build_type: Release
           - os: windows-2019
             arch: aarch64
+          - os: windows-2019
+            arch: x86
         include:
           # We want to set flags related to particular matrix dimensions. To do this
           # we need to create default values first, and then against particular matrix
@@ -47,6 +53,9 @@ jobs:
           - arch_flags: -DCMAKE_TOOLCHAIN_FILE="$GITHUB_WORKSPACE/ock/platform/arm-linux/aarch64-toolchain.cmake"
                         -DLLVM_HOST_TRIPLE=aarch64-unknown-linux-gnu
             arch: aarch64
+          - arch_flags: -DLLVM_BUILD_32_BITS=ON -DLIBXML2_LIBRARIES=IGNORE -DLLVM_ENABLE_TERMINFO=OFF
+                        -DLLVM_HOST_TRIPLE=i686-unknown-linux-gnu
+            arch: x86
           - build_type: Release
             build_type_flags: -DCMAKE_BUILD_TYPE=Release
 
@@ -90,10 +99,17 @@ jobs:
         run:
           sudo apt-get install --yes g++-11-aarch64-linux-gnu
 
+      - name: install x86 build tools
+        if: ${{ steps.cache.outputs.cache-hit != 'true' && matrix.arch == 'x86' }}
+        run: |
+          sudo dpkg --add-architecture i386
+          sudo apt-get update
+          sudo apt-get install --yes gcc-multilib g++-multilib libc6-dev:i386 lib32tinfo-dev
+
       - name: Flags checker
         if: steps.cache.outputs.cache-hit != 'true'
         run:
-          echo Building on "${{ matrix.os }}" with os_flags "${{ matrix.os_flags}}" arch "${{ matrix.arch }}"extra flags "${{ matrix.build_type_flags}}" and  build_type "${{matrix.build_type}}"
+          echo Building on "${{ matrix.os }}" with os_flags "${{ matrix.os_flags}}" arch "${{ matrix.arch }}" extra flags "${{ matrix.build_type_flags}}" and  build_type "${{matrix.build_type}}"
 
       - name: Run cmake
         if: steps.cache.outputs.cache-hit != 'true'