Use cmake presets on conan builds

Author: ericriff

.github/workflows/cmake_ubuntu.yml

@@ -32,28 +32,25 @@ jobs:
     - name: Create default profile
       run: conan profile detect
 
-    - name: Create Build Environment
-      # Some projects don't allow in-source building, so create a separate build directory
-      # We'll use this as our working directory for all subsequent commands
-      run: cmake -E make_directory ${{github.workspace}}/build
-
     - name: Install conan dependencies
-      working-directory: ${{github.workspace}}/build
-      run: conan install ${{github.workspace}}/conanfile.py -s build_type=${{env.BUILD_TYPE}} --build=missing
+      run: conan install conanfile.py -s build_type=${{env.BUILD_TYPE}} --build=missing
+
+    - name: Normalize build type
+      shell: bash
+      # The build type is Capitalized, e.g. Release, but the preset is all lowercase, e.g. release.
+      # There is no built in way to do string manipulations on GHA as far as I know.`
+      run: echo "BUILD_TYPE_LOWERCASE=$(echo "${BUILD_TYPE}" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
 
     - name: Configure CMake
       shell: bash
-      working-directory: ${{github.workspace}}/build
-      run: cmake ${{github.workspace}} -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_TOOLCHAIN_FILE=${{env.BUILD_TYPE}}/generators/conan_toolchain.cmake
+      run: cmake --preset conan-${{ env.BUILD_TYPE_LOWERCASE }}
 
     - name: Build
       shell: bash
-      working-directory: ${{github.workspace}}/build
-      run: cmake --build . --config ${{env.BUILD_TYPE}}
+      run: cmake --build --preset conan-${{ env.BUILD_TYPE_LOWERCASE }}
 
     - name: run test (Linux)
-      working-directory: ${{github.workspace}}/build/tests
-      run: ctest
+      run: ctest --test-dir build/${{env.BUILD_TYPE}}
 
     - name: Upload coverage reports to Codecov
       uses: codecov/codecov-action@v3

.github/workflows/cmake_windows.yml

@@ -32,25 +32,23 @@ jobs:
     - name: Create default profile
       run: conan profile detect
 
-    - name: Create Build Environment
-      # Some projects don't allow in-source building, so create a separate build directory
-      # We'll use this as our working directory for all subsequent commands
-      run: cmake -E make_directory ${{github.workspace}}/build
-
     - name: Install conan dependencies
-      working-directory: ${{github.workspace}}/build
-      run: conan install ${{github.workspace}}/conanfile.py -s build_type=${{env.BUILD_TYPE}} --build=missing
+      run: conan install conanfile.py -s build_type=${{env.BUILD_TYPE}} --build=missing
+
+    - name: Normalize build type
+      shell: bash
+      # The build type is Capitalized, e.g. Release, but the preset is all lowercase, e.g. release.
+      # There is no built in way to do string manipulations on GHA as far as I know.`
+      run: echo "BUILD_TYPE_LOWERCASE=$(echo "${BUILD_TYPE}" | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
 
     - name: Configure CMake
       shell: bash
-      working-directory: ${{github.workspace}}/build
-      run: cmake $GITHUB_WORKSPACE -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_TOOLCHAIN_FILE=generators/conan_toolchain.cmake
+      run: cmake --preset conan-${{ env.BUILD_TYPE_LOWERCASE }}
 
     - name: Build
-      working-directory: ${{github.workspace}}/build
       shell: bash
-      run: cmake --build . --config ${{env.BUILD_TYPE}}
+      run: cmake --build --preset conan-${{ env.BUILD_TYPE_LOWERCASE }}
 
     - name: run test (Windows)
-      working-directory: ${{github.workspace}}/build
+      working-directory: ${{github.workspace}}/build/${{env.BUILD_TYPE}}
       run: $env:PATH+=";${{env.BUILD_TYPE}}"; tests/${{env.BUILD_TYPE}}/behaviortree_cpp_test.exe

README.md

@@ -61,13 +61,15 @@ Three build systems are supported:
 
 Compiling with [conan](https://conan.io/):
 
+> [!NOTE]
+> Conan builds require CMake 3.23 or newer.
+
 Assuming that you are in the **root** directory of `BehaviorTree.CPP`:
 
 ```
-mkdir build_release
-conan install . -of build_release -s build_type=Release --build=missing
-cmake -S . -B build_release -DCMAKE_TOOLCHAIN_FILE="build_release/build/Release/generators/conan_toolchain.cmake"
-cmake --build build_release --parallel
+conan install . -s build_type=Release --build=missing
+cmake --preset conan-release
+cmake --build --preset conan-release
 ```
 
 If you have dependencies such as ZeroMQ and SQlite already installed and you don't want to

conanfile.py

@@ -26,14 +26,14 @@ def requirements(self):
     def generate(self):
         tc = CMakeToolchain(self)
 
-        #tc.variables["USE_VENDORED_CPPSQLITE"] = False
-        tc.variables["USE_VENDORED_CPPZMQ"] = False
-        tc.variables["USE_VENDORED_FLATBUFFERS"] = False
-        #tc.variables["USE_VENDORED_LEXY"] = False
-        tc.variables["USE_VENDORED_MINICORO"] = False
-        tc.variables["USE_VENDORED_MINITRACE"] = False
-        tc.variables["USE_VENDORED_TINYXML2"] = False
-        #tc.variables["USE_VENDORED_WILDCARDS"] = False
+        #tc.cache_variables["USE_VENDORED_CPPSQLITE"] = False
+        tc.cache_variables["USE_VENDORED_CPPZMQ"] = False
+        tc.cache_variables["USE_VENDORED_FLATBUFFERS"] = False
+        #tc.cache_variables["USE_VENDORED_LEXY"] = False
+        tc.cache_variables["USE_VENDORED_MINICORO"] = False
+        tc.cache_variables["USE_VENDORED_MINITRACE"] = False
+        tc.cache_variables["USE_VENDORED_TINYXML2"] = False
+        #tc.cache_variables["USE_VENDORED_WILDCARDS"] = False
         tc.generate()
 
         deps = CMakeDeps(self)