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cmake_minimum_required(VERSION 3.21)
PROJECT(dolfinx_mpc_nanobind)
# debian policy: don't include RUNPATH in python extensions
set(CMAKE_SKIP_RPATH TRUE)
find_package(Python COMPONENTS Interpreter Development REQUIRED)
# Detect the installed nanobind package and import it into CMake
execute_process(
COMMAND "${Python_EXECUTABLE}" -m nanobind --cmake_dir
OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE NB_DIR)
list(APPEND CMAKE_PREFIX_PATH "${NB_DIR}")
find_package(nanobind CONFIG REQUIRED)
execute_process(
COMMAND
${Python3_EXECUTABLE} -c "import os, sys, basix; sys.stdout.write(os.path.dirname(basix.__file__))"
OUTPUT_VARIABLE BASIX_PY_DIR
RESULT_VARIABLE BASIX_PY_COMMAND_RESULT
ERROR_VARIABLE BASIX_ERROR_OUT OUTPUT_STRIP_TRAILING_WHITESPACE
)
find_package(Basix REQUIRED CONFIG HINTS ${BASIX_PY_DIR})
if (Basix_FOUND)
message(STATUS "Found Basix at ${Basix_DIR}")
endif()
find_package(DOLFINX REQUIRED CONFIG)
if (DOLFINX_FOUND)
message(STATUS "Found DOLFINx at ${DOLFINX_DIR}")
endif()
# Add DOLFINx_mpc libraries
find_package(DOLFINX_MPC REQUIRED CONFIG)
if (DOLFINX_MPC_FOUND)
message(STATUS "Found DOLFINx_MPC at ${DOLFINX_MPC_DIR}")
endif()
# Create the binding library nanobind handles its own calls to
# target_link_libraries
nanobind_add_module(
cpp
NOMINSIZE
MODULE
dolfinx_mpc/dolfinx_mpc.cpp
dolfinx_mpc/mpc.cpp
)
target_compile_definitions(cpp PRIVATE cxx_std_20)
target_link_libraries(cpp PRIVATE dolfinx_mpc)
# Check for petsc4py
execute_process(
COMMAND ${Python_EXECUTABLE} -c
"import petsc4py; print(petsc4py.get_include())"
OUTPUT_VARIABLE PETSC4PY_INCLUDE_DIR
RESULT_VARIABLE PETSC4PY_COMMAND_RESULT
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT PETSC4PY_COMMAND_RESULT)
message(STATUS "Found petsc4py include directory at ${PETSC4PY_INCLUDE_DIR}")
target_include_directories(cpp PRIVATE ${PETSC4PY_INCLUDE_DIR})
target_compile_definitions(cpp PRIVATE HAS_PETSC4PY)
else()
message(FATAL_ERROR "petsc4py not found.")
endif()
# Get python include-dirs
execute_process(
COMMAND ${Python3_EXECUTABLE} -c "import dolfinx.wrappers, sys; sys.stdout.write(str(dolfinx.wrappers.get_include_path()))"
OUTPUT_VARIABLE DOLFINX_PY_DIR
RESULT_VARIABLE DOLFINX_PY_COMMAND_RESULT OUTPUT_STRIP_TRAILING_WHITESPACE)
if (DOLFINX_PY_DIR)
message(STATUS "Adding ${DOLFINX_PY_DIR} to include directories")
target_include_directories(cpp PRIVATE ${DOLFINX_PY_DIR})
endif()
set_target_properties(cpp PROPERTIES INSTALL_RPATH_USE_LINK_PATH TRUE)
install(TARGETS cpp DESTINATION dolfinx_mpc)
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