| # Set the minimum CMake version and policies for highest tested version |
| cmake_minimum_required(VERSION 3.15...3.27) |
|
|
| # Set default build type in CMake if skbuild is set |
| message(STATUS "CMAKE_BUILD_TYPE set to '${CMAKE_BUILD_TYPE}'") |
|
|
| # Set up the project and ensure there is a working C++ compiler |
| project(varipeps_extensions LANGUAGES CXX) |
|
|
| # Try to import all Python components potentially needed by nanobind |
| find_package(Python 3.11 |
| REQUIRED COMPONENTS Interpreter Development.Module |
| OPTIONAL_COMPONENTS Development.SABIModule) |
|
|
| # Import nanobind through CMake's find_package mechanism |
| execute_process( |
| COMMAND /usr/bin/env python3 -m nanobind --cmake_dir |
| OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE nanobind_ROOT) |
| find_package(nanobind CONFIG REQUIRED) |
|
|
| # Find jaxlib include dir |
| IF (WIN32) |
| execute_process( |
| COMMAND python -c "import inspect; import jaxlib; import pathlib; p = pathlib.Path(inspect.getfile(jaxlib)); print(p.parent / 'include')" |
| OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE jaxlib_INCLUDE_DIR) |
| ELSE() |
| execute_process( |
| COMMAND /usr/bin/env python3 -c "import inspect; import jaxlib; import pathlib; p = pathlib.Path(inspect.getfile(jaxlib)); print(p.parent / 'include')" |
| OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE jaxlib_INCLUDE_DIR) |
| ENDIF() |
|
|
|
|
| # We are now ready to compile the actual extension module |
| nanobind_add_module( |
| # Name of the extension |
| _svd_only_u_vt |
|
|
| # Target the stable ABI for Python 3.12+, which reduces |
| # the number of binary wheels that must be built. This |
| # does nothing on older Python versions |
| STABLE_ABI |
|
|
| # Build libnanobind statically and merge it into the |
| # extension (which itself remains a shared library) |
| # |
| # If your project builds multiple extensions, you can |
| # replace this flag by NB_SHARED to conserve space by |
| # reusing a shared libnanobind across libraries |
| NB_STATIC |
|
|
| # Source code goes here |
| varipeps/utils/extensions/svd_ffi.cpp |
| ) |
|
|
| target_include_directories(_svd_only_u_vt PRIVATE "${jaxlib_INCLUDE_DIR}") |
|
|
| # target_link_libraries(_svd_only_vt PRIVATE lapack) |
|
|
| # Install directive for scikit-build-core |
| install(TARGETS _svd_only_u_vt LIBRARY DESTINATION varipeps/utils/extensions) |
|
|
