#.rst:
# FindCython
# ----------
#
# Find cython executable.
#
# Result Variables
# ^^^^^^^^^^^^^^^^
#
# This module defines the following variables:
#
# ``CYTHON_FOUND``
#
# ``CYTHON_EXECUTABLE``
#
# ``CYTHON_VERSION``
#
include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
if(EXISTS "${Python_EXECUTABLE}")
execute_process(COMMAND ${Python_EXECUTABLE} -c "import Cython;print(Cython.__version__)"
ERROR_QUIET OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CYTHON_VERSION
)
endif()
if(CYTHON_VERSION)
set(CYTHON_EXECUTABLE ${Python_EXECUTABLE} -m cython)
else()
find_program(CYTHON_EXECUTABLE NAMES cython3 cython)
mark_as_advanced(CYTHON_EXECUTABLE)
set(CYTHON_VERSION)
endif()
if(NOT CYTHON_VERSION AND EXISTS "${CYTHON_EXECUTABLE}")
execute_process(COMMAND ${CYTHON_EXECUTABLE} --version OUTPUT_QUIET ERROR_VARIABLE CYTHON_VERSION)
string(REGEX REPLACE ".*version ([^\n ]+).*" "\\1" CYTHON_VERSION "${CYTHON_VERSION}")
endif()
find_package_handle_standard_args(Cython
FOUND_VAR
CYTHON_FOUND
REQUIRED_VARS
CYTHON_EXECUTABLE
VERSION_VAR
CYTHON_VERSION
)