1 # Copyright (C) 2013-2024 CEA, EDF, OPEN CASCADE
3 # This library is free software; you can redistribute it and/or
4 # modify it under the terms of the GNU Lesser General Public
5 # License as published by the Free Software Foundation; either
6 # version 2.1 of the License, or (at your option) any later version.
8 # This library is distributed in the hope that it will be useful,
9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 # Lesser General Public License for more details.
13 # You should have received a copy of the GNU Lesser General Public
14 # License along with this library; if not, write to the Free Software
15 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 # See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 # Author: Adrien Bruneton
22 # Python libraries detection for SALOME
24 # !! Please read the generic detection procedure in SalomeMacros.cmake !!
27 # Use the PYTHON_ROOT_DIR if PYTHONLIBS_ROOT_DIR is not defined:
28 SET(PYTHON_ROOT_DIR "$ENV{PYTHON_ROOT_DIR}" CACHE PATH "Path to the Python installation (libs+interpreter)")
29 IF(EXISTS "${PYTHON_ROOT_DIR}" AND (NOT PYTHONLIBS_ROOT_DIR))
30 MESSAGE(STATUS "Setting PYTHONLIBS_ROOT_DIR to: ${PYTHON_ROOT_DIR}")
31 SET(PYTHONLIBS_ROOT_DIR "${PYTHON_ROOT_DIR}" CACHE PATH "Path to PythonLibs directory")
33 IF (SALOMEPYTHONINTERP_FOUND AND NOT "${PYTHON_VERSION_STRING}" STREQUAL "")
34 # Trying to search libraries with same version as an interpreter version
35 SET(PythonLibs_FIND_VERSION ${PYTHON_VERSION_STRING})
36 SET(PythonLibs_FIND_VERSION_MAJOR ${PYTHON_VERSION_MAJOR})
39 SET(CMAKE_LIBRARY_PATH "${PYTHON_ROOT_DIR}/libs")
40 SET(PYTHON_INCLUDE_DIR "${PYTHON_ROOT_DIR}/include")
43 FIND_PROGRAM(PYTHON_CONFIG_EXECUTABLE python-config)
44 IF(NOT PYTHON_CONFIG_EXECUTABLE)
45 MESSAGE(SEND_ERROR "python-config executable not found, but python is required.")
47 EXECUTE_PROCESS(COMMAND ${PYTHON_CONFIG_EXECUTABLE} --prefix OUTPUT_VARIABLE python_prefix OUTPUT_STRIP_TRAILING_WHITESPACE)
48 SET(PYTHON_INCLUDE_DIR ${python_prefix}/include/python${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})
49 SET(PYTHON_LIBRARY ${python_prefix}/lib/libpython${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}${CMAKE_SHARED_LIBRARY_SUFFIX})
50 SET(PYTHON_MAJOR_VERSION ${PYTHON_VERSION_MAJOR})
51 SET(PYTHON_MINOR_VERSION ${PYTHON_VERSION_MINOR})
52 MESSAGE(STATUS "Python libraries: ${PYTHON_LIBRARY}")
53 MESSAGE(STATUS "Python include dir: ${PYTHON_INCLUDE_DIR}")
56 SALOME_FIND_PACKAGE_AND_DETECT_CONFLICTS(PythonLibs PYTHON_INCLUDE_DIR 2)
58 IF(SALOMEPYTHONLIBS_FOUND)
59 SALOME_ACCUMULATE_HEADERS(PYTHON_INCLUDE_DIR)
60 SALOME_ACCUMULATE_ENVIRONMENT(LD_LIBRARY_PATH ${PYTHON_LIBRARIES})
63 ## Specifics -- check matching version with Interpreter if already detected:
64 IF (SALOMEPYTHONLIBS_FOUND AND SALOMEPYTHONINTERP_FOUND)
65 # Now ensure versions are matching
66 SALOME_EXTRACT_VERSION(${PYTHONLIBS_VERSION_STRING} maj_lib min_lib patch_lib)
67 SALOME_EXTRACT_VERSION(${PYTHON_VERSION_STRING} maj_inter min_inter patch_inter)
68 IF("${maj_lib}.${min_lib}.${patch_lib}" STREQUAL "${maj_inter}.${min_inter}.${patch_inter}")
69 MESSAGE(STATUS "Python libs and interpreter versions are matching: ${PYTHONLIBS_VERSION_STRING}")
71 MESSAGE(FATAL_ERROR "Python libs and interpreter versions are NOT matching: ${PYTHONLIBS_VERSION_STRING} vs ${PYTHON_VERSION_STRING}")