Custom Layout

Author: Behemyth

cppython/plugins/conan/builder.py

@@ -46,14 +46,24 @@ def _create_base_conanfile(
         content = f'''"""CPPython managed base ConanFile.
 
 This file is auto-generated by CPPython. Do not edit manually.
-Dependencies are managed through pyproject.toml.
+Dependencies and layout are managed through pyproject.toml.
 """
 
 from conan import ConanFile
 
 
 class CPPythonBase(ConanFile):
-    """Base ConanFile with CPPython managed dependencies."""
+    """Base ConanFile with CPPython managed dependencies and layout."""
+
+    def layout(self):
+        """CPPython managed layout for consistent paths across all platforms.
+
+        Uses explicit folder settings instead of cmake_layout() to avoid
+        platform/generator-dependent behavior (e.g., build_type subfolders
+        on single-config generators).
+        """
+        self.folders.build = "."
+        self.folders.generators = "generators"
 
     def requirements(self):
         """CPPython managed requirements."""
@@ -74,7 +84,7 @@ def _create_conanfile(
         """Creates a conanfile.py file that inherits from CPPython base."""
         class_name = name.replace('-', '_').title().replace('_', '')
         content = f'''import os
-from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
+from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain
 from conan.tools.files import copy
 
 from conanfile_base import CPPythonBase
@@ -107,7 +117,12 @@ def build_requirements(self):
         # Add your custom build requirements here
 
     def layout(self):
-        cmake_layout(self)
+        """Configure build folder layout.
+        
+        CPPython managed layout is inherited from CPPythonBase.
+        Override if you need custom folder settings.
+        """
+        super().layout()  # Get CPPython managed layout
 
     def generate(self):
         deps = CMakeDeps(self)

cppython/plugins/conan/plugin.py

@@ -165,13 +165,6 @@ def _run_conan_install(self, conanfile_path: Path, update: bool, build_type: str
         output_folder = self.core_data.cppython_data.build_path
         command_args.extend(['--output-folder', str(output_folder)])
 
-        # Normalize cmake_layout behavior across all platforms/generators:
-        # - build_folder=. puts build output directly in output_folder (no 'build' subfolder)
-        # - build_folder_vars=[] prevents build_type subfolders (Release/Debug)
-        # This ensures generators always end up in output_folder/generators/ consistently
-        command_args.extend(['-c', 'tools.cmake.cmake_layout:build_folder=.'])
-        command_args.extend(['-c', 'tools.cmake.cmake_layout:build_folder_vars=[]'])
-
         # Add build missing flag
         command_args.extend(['--build', 'missing'])
 
@@ -287,8 +280,8 @@ def _create_cmake_sync_data(self) -> CMakeSyncData:
         Returns:
             CMakeSyncData configured for Conan integration
         """
-        # With cmake_layout config overrides (build_folder=. and build_folder_vars=[]),
-        # generators are always placed in build_path/generators/ regardless of platform/generator
+        # The generated conanfile uses explicit layout (self.folders.generators = "generators")
+        # Combined with --output-folder=build_path, generators are always at build_path/generators/
         conan_toolchain_path = self.core_data.cppython_data.build_path / 'generators' / 'conan_toolchain.cmake'
 
         return CMakeSyncData(