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# Macro to find CTDopts
# More information on CTDopts under https://github.com/WorkflowConversion/CTDopts
#
# This macro will set the following variable:
# CTDOPTS_MODULE
#
FIND_PACKAGE(PythonInterp)
IF (PYTHONINTERP_FOUND)
# CTDopts is a module, so we don't need to find a script, rather, just make sure it is properly installed
FIND_FILE(_find_ctdopts_py FindCTDopts.py PATHS ${CMAKE_MODULE_PATH})
EXECUTE_PROCESS(COMMAND ${PYTHON_EXECUTABLE} ${_find_ctdopts_py} OUTPUT_VARIABLE stdout ERROR_VARIABLE stderr RESULT_VARIABLE exit_code OUTPUT_STRIP_TRAILING_WHITESPACE ERROR_STRIP_TRAILING_WHITESPACE)
STRING(STRIP "${stdout}" stdout)
IF((stdout STREQUAL "CTDopts seems to be working.") AND (exit_code EQUAL 0))
SET(CTDOPTS_MODULE TRUE)
MARK_AS_ADVANCED(CTDOPTS_MODULE)
MESSAGE(STATUS "CTDopts module was found and seems to be working...")
ELSE()
MESSAGE(STATUS "CTDopts module could not be found.")
ENDIF()
ELSE()
MESSAGE(STATUS "CTDopts depends on PythonInterp, which was not found.")
ENDIF()
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