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### setup project ###
cmake_minimum_required(VERSION 3.9)
project(fibby
VERSION 1.0
DESCRIPTION "FIB module"
LANGUAGES C Fortran
)
# Safety net
if(PROJECT_SOURCE_DIR STREQUAL PROJECT_BINARY_DIR)
message(
FATAL_ERROR
"In-source builds not allowed. Please make a new directory (called a build directory) and run CMake from there.\n"
)
endif()
# Ensure scikit-build modules
if (NOT SKBUILD)
find_package(PythonInterp 3.8 REQUIRED)
# Kanged --> https://github.com/Kitware/torch_liberator/blob/master/CMakeLists.txt
# If skbuild is not the driver; include its utilities in CMAKE_MODULE_PATH
execute_process(
COMMAND "${PYTHON_EXECUTABLE}"
-c "import os, skbuild; print(os.path.dirname(skbuild.__file__))"
OUTPUT_VARIABLE SKBLD_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
list(APPEND CMAKE_MODULE_PATH "${SKBLD_DIR}/resources/cmake")
message(STATUS "Looking in ${SKBLD_DIR}/resources/cmake for CMake modules")
endif()
# scikit-build style includes
find_package(PythonExtensions REQUIRED) # for ${PYTHON_EXTENSION_MODULE_SUFFIX}
# Grab the variables from a local Python installation
# NumPy headers
execute_process(
COMMAND "${PYTHON_EXECUTABLE}"
-c "import numpy; print(numpy.get_include())"
OUTPUT_VARIABLE NumPy_INCLUDE_DIRS
OUTPUT_STRIP_TRAILING_WHITESPACE
)
# F2PY headers
execute_process(
COMMAND "${PYTHON_EXECUTABLE}"
-c "import numpy.f2py; print(numpy.f2py.get_include())"
OUTPUT_VARIABLE F2PY_INCLUDE_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
)
# Prepping the module
set(f2py_module_name "fibby")
set(fortran_src_file "${CMAKE_SOURCE_DIR}/fib1.f")
set(f2py_module_c "${f2py_module_name}module.c")
# Target for enforcing dependencies
add_custom_target(genpyf
DEPENDS "${fortran_src_file}"
)
add_custom_command(
OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${f2py_module_c}"
COMMAND ${PYTHON_EXECUTABLE} -m "numpy.f2py"
"${fortran_src_file}"
-m "fibby"
--lower # Important
DEPENDS fib1.f # Fortran source
)
add_library(${CMAKE_PROJECT_NAME} MODULE
"${f2py_module_name}module.c"
"${F2PY_INCLUDE_DIR}/fortranobject.c"
"${fortran_src_file}")
target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC
${F2PY_INCLUDE_DIR}
${NumPy_INCLUDE_DIRS}
${PYTHON_INCLUDE_DIRS})
set_target_properties(${CMAKE_PROJECT_NAME} PROPERTIES SUFFIX "${PYTHON_EXTENSION_MODULE_SUFFIX}")
set_target_properties(${CMAKE_PROJECT_NAME} PROPERTIES PREFIX "")
# Linker fixes
if (UNIX)
if (APPLE)
set_target_properties(${CMAKE_PROJECT_NAME} PROPERTIES
LINK_FLAGS '-Wl,-dylib,-undefined,dynamic_lookup')
else()
set_target_properties(${CMAKE_PROJECT_NAME} PROPERTIES
LINK_FLAGS '-Wl,--allow-shlib-undefined')
endif()
endif()
add_dependencies(${CMAKE_PROJECT_NAME} genpyf)
install(TARGETS ${CMAKE_PROJECT_NAME} DESTINATION fibby)
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