mamba/libmambapy/CMakeLists.txt

105 lines
3.4 KiB
CMake

# Copyright (c) 2019, QuantStack and Mamba Contributors
#
# Distributed under the terms of the BSD 3-Clause License.
#
# The full license is in the file LICENSE, distributed with this software.
cmake_minimum_required(VERSION 3.18.2)
include("../cmake/CompilerWarnings.cmake")
project(libmambapy)
if(NOT TARGET mamba::libmamba)
find_package(libmamba CONFIG REQUIRED)
set(libmamba_target mamba::libmamba-dyn)
else()
set(libmamba_target mamba::libmamba)
endif()
find_package(Python COMPONENTS Interpreter Development.Module)
find_package(pybind11 REQUIRED)
pybind11_add_module(
bindings
src/libmambapy/bindings/longpath.manifest
# Entry point to all submodules
src/libmambapy/bindings/bindings.cpp
# All bindings used to live in a global module
src/libmambapy/bindings/legacy.cpp
# Submodules
src/libmambapy/bindings/utils.cpp
src/libmambapy/bindings/specs.cpp
src/libmambapy/bindings/solver.cpp
src/libmambapy/bindings/solver_libsolv.cpp
)
# TODO: remove when `SubdirData::cache_path()` is removed
if(
CMAKE_CXX_COMPILER_ID STREQUAL "Clang"
OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
OR CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
)
# This file uses capturing structured bindings, which was fixed in C++20
set_source_files_properties(
src/libmambapy/bindings/legacy.cpp
PROPERTIES COMPILE_FLAGS -Wno-error=deprecated-declarations
)
endif()
target_include_directories(bindings PRIVATE src/libmambapy/bindings)
mamba_target_add_compile_warnings(bindings WARNING_AS_ERROR ${MAMBA_WARNING_AS_ERROR})
target_link_libraries(bindings PRIVATE pybind11::pybind11 ${libmamba_target})
target_compile_features(bindings PUBLIC cxx_std_20)
set_target_properties(
bindings
PROPERTIES
CXX_STANDARD 20
CXX_STANDARD_REQUIRED YES
CXX_EXTENSIONS NO
)
# Installation
if(SKBUILD)
install(TARGETS bindings DESTINATION ${MAMBA_INSTALL_PYTHON_EXT_LIBDIR})
else()
# WARNING: this default should probably not be used for installation but only for local
# development and testing. Proper installation should be controlled externally by a Python
# packager tool
# Build bindings in a self-contain libmambapy/ folder inside the build tree
set_target_properties(
bindings PROPERTIES LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/libmambapy"
)
# Copy all source files in the same libmambapy folder inside the build tree. This creates a
# valid, development-only folder that can be imported by Python (e.g. via PYTHONPATH).
file(GLOB_RECURSE MAMBAPY_FILES "${CMAKE_CURRENT_SOURCE_DIR}/src/libmambapy/*")
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/libmambapy/__init__.py"
DEPENDS ${MAMBAPY_FILES}
COMMENT "Copying libmambapy/ to build directory"
COMMAND
"${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/src/libmambapy/"
"${CMAKE_CURRENT_BINARY_DIR}/libmambapy"
)
add_custom_target(
libmambapy_copy_files ALL DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/libmambapy/__init__.py"
)
add_dependencies(bindings libmambapy_copy_files)
set(
MAMBA_INSTALL_PYTHON_EXT_LIBDIR
"lib"
CACHE PATH "Installation directory for Python extension"
)
install(
TARGETS bindings
EXCLUDE_FROM_ALL
COMPONENT Mamba_Python_Extension
DESTINATION ${MAMBA_INSTALL_PYTHON_EXT_LIBDIR}
)
endif()