lasp/cmake/FindNumpy.cmake

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# Find the Python NumPy package
# PYTHON_NUMPY_INCLUDE_DIR
# PYTHON_NUMPY_FOUND
# will be set by this script
cmake_minimum_required(VERSION 3.0)
if(NOT PYTHON_EXECUTABLE)
if(NumPy_FIND_QUIETLY)
find_package(PythonInterp QUIET)
else()
find_package(PythonInterp)
set(__numpy_out 1)
endif()
endif()
if (PYTHON_EXECUTABLE)
# Find out the include path
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" -c
"from __future__ import print_function\ntry: import numpy; print(numpy.get_include(), end='')\nexcept:pass\n"
OUTPUT_VARIABLE __numpy_path)
# And the version
execute_process(
COMMAND "${PYTHON_EXECUTABLE}" -c
"from __future__ import print_function\ntry: import numpy; print(numpy.__version__, end='')\nexcept:pass\n"
OUTPUT_VARIABLE __numpy_version)
elseif(__numpy_out)
message(STATUS "Python executable not found.")
endif(PYTHON_EXECUTABLE)
find_path(PYTHON_NUMPY_INCLUDE_DIR numpy/arrayobject.h
HINTS "${__numpy_path}" "${PYTHON_INCLUDE_PATH}" NO_DEFAULT_PATH)
if(PYTHON_NUMPY_INCLUDE_DIR)
set(PYTHON_NUMPY_FOUND 1 CACHE INTERNAL "Python numpy found")
endif(PYTHON_NUMPY_INCLUDE_DIR)
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(NumPy REQUIRED_VARS PYTHON_NUMPY_INCLUDE_DIR
VERSION_VAR __numpy_version)