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FindPython.cmake
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193 lines (159 loc) · 7.54 KB
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# - Find python executable and libraries.
#
# PYTHON_EXECUTABLE - name of the python executable.
# PYTHON_INCLUDES - where to find Python.h, etc.
# PYTHON_FOUND - True if python is found
#
# http://stackoverflow.com/questions/13298504/using-cmake-with-setup-py
#if(PYTHON_EXECUTABLE AND PYTHON_INCLUDES AND PYTHON_LIBRARY )
# set(PYTHON_FIND_QUIETLY TRUE)
#endif()
message(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE})
find_program(PYTHON_EXECUTABLE python3 DOC "python interpreter")
#find_program(PYTHON_CONFIG_EXE python3-config DOC "python configuration")
if(PYTHON_EXECUTABLE)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('include'))"
OUTPUT_VARIABLE PYTHON_INCLUDES
RESULT_VARIABLE PYTHON_INCLUDES_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
# execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_config_var('LIBPL'))"
# OUTPUT_VARIABLE PYTHON_LIBDIR
# RESULT_VARIABLE PYTHON_LIBDIR_NOT_FOUND
# OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_python_version())"
OUTPUT_VARIABLE PYTHON_VERSION
RESULT_VARIABLE PYTHON_VERSION_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_python_version())"
OUTPUT_VARIABLE PYTHON_VERSION
RESULT_VARIABLE PYTHON_VERSION_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sys; print (sys.version_info[0])"
OUTPUT_VARIABLE PYTHON_MAJOR_VERSION
RESULT_VARIABLE PYTHON_MAJOR_VERSION_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
# https://www.python.org/dev/peps/pep-3149/
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_config_var('ABIFLAGS'))"
OUTPUT_VARIABLE PYTHON_ABIFLAGS
RESULT_VARIABLE PYTHON_ABIFLAGS_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message('PYTHON_LIBDIR...........'${PYTHON_LIBDIR})
message("PYTHON_VERSION = " ${PYTHON_VERSION})
message("PYTHON_ABIFLAGS = " ${PYTHON_ABIFLAGS})
message("Find Python Library python${PYTHON_VERSION}${PYTHON_ABIFLAGS}")
find_library( PYTHON_LIBRARY NAMES "python${PYTHON_VERSION}${PYTHON_ABIFLAGS}"
HINTS ${PYTHON_LIBDIR})
#if(PYTHON_LIBDIR)
# find_library( PYTHON_LIBRARY NAMES "python${PYTHON_VERSION}${PYTHON_ABIFLAGS}")
## HINTS ${PYTHON_LIBDIR} NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_DEFAULT_PATH)
#endif()
message("-- Found PYTHON_EXECUTABLE " ${PYTHON_EXECUTABLE})
message("-- Found PYTHON_VERSION " ${PYTHON_VERSION})
message("-- Found PYTHON_MAJOR_VERSION " ${PYTHON_MAJOR_VERSION})
message("-- Found PYTHON_INCLUDES " ${PYTHON_INCLUDES})
message("-- Found PYTHON_LIBDIR " ${PYTHON_LIBDIR})
message("-- Found PYTHON_LIBRARY " ${PYTHON_LIBRARY})
# if(PYTHON_EXECUTABLE)
# if(NOT PYTHON_FIND_QUIETLY)
# message( STATUS "Found Python executable: ${PYTHON_EXECUTABLE}")
# endif()
# else()
# if(FIND_PYTHON_REQUIRED)
# message( FATAL_ERROR "Python executable missing")
# endif()
# endif()
#
# if(PYTHON_INCLUDES)
# if(NOT PYTHON_FIND_QUIETLY)
# message( STATUS "Found Python includes: ${PYTHON_INCLUDES}")
# endif()
# else()
# if(FIND_PYTHON_REQUIRED)
# message( FATAL_ERROR "Python include directory missing")
# endif()
# endif()
#
# if(PYTHON_LIBRARY)
# if(NOT PYTHON_FIND_QUIETLY)
# message( STATUS "Found Python library: ${PYTHON_LIBRARY}")
# endif()
# else()
# if(FIND_PYTHON_REQUIRED)
# message( FATAL_ERROR "Python library missing")
# endif()
# endif()
MARK_AS_ADVANCED(PYTHON_EXECUTABLE PYTHON_INCLUDES PYTHON_LIBRARY)
# --------------------------------------------
# Grab paths out of Python's sysconfig module
# https://docs.python.org/2/library/sysconfig.html#module-sysconfig
set(GET_PATH_ARGS "")
if(DEFINED PY_SYSCONFIG_SCHEME)
set(GET_PATH_ARGS ${GET_PATH_ARGS} ", scheme='${PY_SYSCONFIG_SCHEME}'")
endif()
set(GET_PATH_VARS "'__dummy__' : 17")
if (DEFINED PY_SYSCONFIG_BASE)
set(GET_PATH_VARS "${GET_PATH_VARS}, 'base' : '${PY_SYSCONFIG_BASE}'")
endif()
if (DEFINED PY_SYSCONFIG_USERBASE)
set(GET_PATH_VARS "${GET_PATH_VARS}, 'userbase' : '${PY_SYSCONFIG_USERBASE}'")
endif()
set(GET_PATH_ARGS "${GET_PATH_ARGS}, vars={${GET_PATH_VARS}}")
#set(GET_PATH_ARGS "${GET_PATH_ARGS}, expand=False")
message("-- Constructed GET_PATH_ARGS " ${GET_PATH_ARGS})
if(NOT DEFINED PY_SYSCONFIG_STDLIB)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('stdlib' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_STDLIB
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_STDLIB " ${PY_SYSCONFIG_STDLIB})
if(NOT DEFINED PY_SYSCONFIG_PLATSTDLIB)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('platstdlib' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_PLATSTDLIB
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_PLATSTDLIB " ${PY_SYSCONFIG_PLATSTDLIB})
if(NOT DEFINED PY_SYSCONFIG_PLATLIB)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('platlib' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_PLATLIB
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_PLATLIB " ${PY_SYSCONFIG_PLATLIB})
if(NOT DEFINED PY_SYSCONFIG_PURELIB)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('purelib' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_PURELIB
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_PURELIB " ${PY_SYSCONFIG_PURELIB})
if(NOT DEFINED PY_SYSCONFIG_INCLUDE)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('include' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_INCLUDE
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_INCLUDE " ${PY_SYSCONFIG_INCLUDE})
# Docs say this should work but it doesn't
#execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('platinclude' ${GET_PATH_ARGS}))"
# OUTPUT_VARIABLE PY_SYSCONFIG_PLATINCLUDE
# RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
# OUTPUT_STRIP_TRAILING_WHITESPACE)
#endif()
#message("-- Found PY_SYSCONFIG_PLATINCLUDE " ${PY_SYSCONFIG_PLATINCLUDE})
if(NOT DEFINED PY_SYSCONFIG_SCRIPTS)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('scripts' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_SCRIPTS
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_SCRIPTS " ${PY_SYSCONFIG_SCRIPTS})
if(NOT DEFINED PY_SYSCONFIG_DATA)
execute_process( COMMAND ${PYTHON_EXECUTABLE} -c "import sysconfig; print (sysconfig.get_path('data' ${GET_PATH_ARGS}))"
OUTPUT_VARIABLE PY_SYSCONFIG_DATA
RESULT_VARIABLE PY_SYSCONFIG_STLIB_NOT_FOUND
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif()
message("-- Found PY_SYSCONFIG_DATA " ${PY_SYSCONFIG_DATA})