diff --git a/cmake/Modules/FindNumPy.cmake b/cmake/Modules/FindNumPy.cmake new file mode 100644 index 0000000000000..6e1f3c415a6ac --- /dev/null +++ b/cmake/Modules/FindNumPy.cmake @@ -0,0 +1,54 @@ +# - Find the NumPy libraries +# This module finds if NumPy is installed, and sets the following variables +# indicating where it is. +# +# +# NUMPY_FOUND - was NumPy found +# NUMPY_VERSION - the version of NumPy found as a string +# NUMPY_VERSION_MAJOR - the major version number of NumPy +# NUMPY_VERSION_MINOR - the minor version number of NumPy +# NUMPY_VERSION_PATCH - the patch version number of NumPy +# NUMPY_VERSION_DECIMAL - e.g. version 1.6.1 is 10601 +# NUMPY_INCLUDE_DIR - path to the NumPy include files + +unset(NUMPY_VERSION) +unset(NUMPY_INCLUDE_DIR) + +if(PYTHONINTERP_FOUND) + execute_process(COMMAND "${PYTHON_EXECUTABLE}" "-c" + "import numpy as n; print(n.__version__); print(n.get_include());" + RESULT_VARIABLE __result + OUTPUT_VARIABLE __output + OUTPUT_STRIP_TRAILING_WHITESPACE) + + if(__result MATCHES 0) + string(REGEX REPLACE ";" "\\\\;" __values ${__output}) + string(REGEX REPLACE "\r?\n" ";" __values ${__values}) + list(GET __values 0 NUMPY_VERSION) + list(GET __values 1 NUMPY_INCLUDE_DIR) + + string(REGEX MATCH "^([0-9])+\\.([0-9])+\\.([0-9])+" __ver_check "${NUMPY_VERSION}") + if(NOT "${__ver_check}" STREQUAL "") + set(NUMPY_VERSION_MAJOR ${CMAKE_MATCH_1}) + set(NUMPY_VERSION_MINOR ${CMAKE_MATCH_2}) + set(NUMPY_VERSION_PATCH ${CMAKE_MATCH_3}) + math(EXPR NUMPY_VERSION_DECIMAL + "(${NUMPY_VERSION_MAJOR} * 10000) + (${NUMPY_VERSION_MINOR} * 100) + ${NUMPY_VERSION_PATCH}") + string(REGEX REPLACE "\\\\" "/" NUMPY_INCLUDE_DIR ${NUMPY_INCLUDE_DIR}) + else() + unset(NUMPY_VERSION) + unset(NUMPY_INCLUDE_DIR) + message(STATUS "Requested NumPy version and include path, but got instead:\n${__output}\n") + endif() + endif() +else() + message(STATUS "To find NumPy Python interpretator is required to be found.") +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(NumPy REQUIRED_VARS NUMPY_INCLUDE_DIR NUMPY_VERSION + VERSION_VAR NUMPY_VERSION) + +if(NUMPY_FOUND) + message(STATUS "NumPy ver. ${NUMPY_VERSION} found (include: ${NUMPY_INCLUDE_DIR})") +endif()