build: migrate to conan 2 (#585)

Migrates the build system from Conan 1 to Conan 2

.github/actions/xahau-ga-build/action.yml

@@ -94,6 +94,10 @@ runs:
         fi
         
         # Run CMake configure
+        # Note: conanfile.py hardcodes 'build/generators' as the output path.
+        # If we're in a 'build' folder, Conan detects this and uses just 'generators/'
+        # If we're in '.build' (non-standard), Conan adds the full 'build/generators/'
+        # So we get: .build/build/generators/ with our non-standard folder name
         cmake .. \
           -G "${{ inputs.generator }}" \
           $CCACHE_ARGS \

.github/actions/xahau-ga-dependencies/action.yml

@@ -78,8 +78,9 @@ runs:
     - name: Export custom recipes
       shell: bash
       run: |
-        conan export external/snappy snappy/1.1.10@xahaud/stable
-        conan export external/soci soci/4.0.3@xahaud/stable
+        conan export external/snappy --version 1.1.10 --user xahaud --channel stable
+        conan export external/soci --version 4.0.3 --user xahaud --channel stable
+        conan export external/wasmedge --version 0.11.2 --user xahaud --channel stable
 
     - name: Install dependencies
       shell: bash

.github/workflows/xahau-ga-macos.yml

@@ -32,9 +32,9 @@ jobs:
 
       - name: Install Conan
         run: |
-          brew install conan@1
-          # Add Conan 1 to the PATH for this job
-          echo "$(brew --prefix conan@1)/bin" >> $GITHUB_PATH
+          brew install conan
+          # Verify Conan 2 is installed
+          conan --version
 
       - name: Install Coreutils
         run: |
@@ -60,12 +60,20 @@ jobs:
 
       - name: Install CMake
         run: |
-          if which cmake > /dev/null 2>&1; then
-              echo "cmake executable exists"
-              cmake --version
-          else
-              brew install cmake
-          fi
+          # Install CMake 3.x to match local dev environments
+          # With Conan 2 and the policy args passed to CMake, newer versions
+          # can have issues with dependencies that require cmake_minimum_required < 3.5
+          brew uninstall cmake --ignore-dependencies 2>/dev/null || true
+
+          # Download and install CMake 3.31.7 directly
+          curl -L https://github.com/Kitware/CMake/releases/download/v3.31.7/cmake-3.31.7-macos-universal.tar.gz -o cmake.tar.gz
+          tar -xzf cmake.tar.gz
+
+          # Move the entire CMake.app to /Applications
+          sudo mv cmake-3.31.7-macos-universal/CMake.app /Applications/
+
+          echo "/Applications/CMake.app/Contents/bin" >> $GITHUB_PATH
+          /Applications/CMake.app/Contents/bin/cmake --version
 
       - name: Install ccache
         run: brew install ccache
@@ -92,8 +100,30 @@ jobs:
 
       - name: Configure Conan
         run: |
-          conan profile new default --detect || true # Ignore error if profile exists
-          conan profile update settings.compiler.cppstd=20 default
+          # Create the default profile directory if it doesn't exist
+          mkdir -p ~/.conan2/profiles
+
+          # Detect compiler version
+          COMPILER_VERSION=$(clang --version | grep -oE 'version [0-9]+' | grep -oE '[0-9]+')
+
+          # Create profile with our specific settings
+          cat > ~/.conan2/profiles/default <<EOF
+          [settings]
+          arch=armv8
+          build_type=Release
+          compiler=apple-clang
+          compiler.cppstd=20
+          compiler.libcxx=libc++
+          compiler.version=${COMPILER_VERSION}
+          os=Macos
+
+          [conf]
+          # Workaround for gRPC with newer Apple Clang
+          tools.build:cxxflags=["-Wno-missing-template-arg-list-after-template-kw"]
+          EOF
+
+          # Display profile for verification
+          conan profile show
 
       - name: Install dependencies
         uses: ./.github/actions/xahau-ga-dependencies

.github/workflows/xahau-ga-nix.yml

@@ -41,8 +41,8 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y ninja-build ${{ matrix.cc }} ${{ matrix.cxx }} ccache
-          # Install specific Conan version needed
-          pip install --upgrade "conan<2"
+          # Install Conan 2
+          pip install --upgrade "conan>=2.0"
 
       - name: Configure ccache
         uses: ./.github/actions/xahau-configure-ccache
@@ -54,18 +54,30 @@ jobs:
 
       - name: Configure Conan
         run: |
-          conan profile new default --detect || true # Ignore error if profile exists
-          conan profile update settings.compiler.cppstd=20 default
-          conan profile update settings.compiler=${{ matrix.compiler }} default
-          conan profile update settings.compiler.libcxx=libstdc++11 default
-          conan profile update env.CC=/usr/bin/${{ matrix.cc }} default
-          conan profile update env.CXX=/usr/bin/${{ matrix.cxx }} default
-          conan profile update conf.tools.build:compiler_executables='{"c": "/usr/bin/${{ matrix.cc }}", "cpp": "/usr/bin/${{ matrix.cxx }}"}' default
+          # Create the default profile directory if it doesn't exist
+          mkdir -p ~/.conan2/profiles
+
+          # Create profile with our specific settings
+          cat > ~/.conan2/profiles/default <<EOF
+          [settings]
+          arch=x86_64
+          build_type=Release
+          compiler=${{ matrix.compiler }}
+          compiler.cppstd=20
+          compiler.libcxx=libstdc++11
+          compiler.version=${{ matrix.compiler_version }}
+          os=Linux
+
+          [buildenv]
+          CC=/usr/bin/${{ matrix.cc }}
+          CXX=/usr/bin/${{ matrix.cxx }}
+
+          [conf]
+          tools.build:compiler_executables={"c": "/usr/bin/${{ matrix.cc }}", "cpp": "/usr/bin/${{ matrix.cxx }}"}
+          EOF
 
-          # Set compiler version from matrix
-          conan profile update settings.compiler.version=${{ matrix.compiler_version }} default
           # Display profile for verification
-          conan profile show default
+          conan profile show
 
       - name: Check environment
         run: |