salome_adm/cmake_files/FindPYTHON.cmake

   1 #  Copyright (C) 2007-2008  CEA/DEN, EDF R&D, OPEN CASCADE
   2 #
   3 #  Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
   4 #  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
   5 #
   6 #  This library is free software; you can redistribute it and/or
   7 #  modify it under the terms of the GNU Lesser General Public
   8 #  License as published by the Free Software Foundation; either
   9 #  version 2.1 of the License.
  10 #
  11 #  This library is distributed in the hope that it will be useful,
  12 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 #  Lesser General Public License for more details.
  15 #
  16 #  You should have received a copy of the GNU Lesser General Public
  17 #  License along with this library; if not, write to the Free Software
  18 #  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  19 #
  20 #  See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
  21 #
  22 # ------
  23
  24 MESSAGE(STATUS "Check for python ...")
  25
  26 # ------
  27
  28 IF(PYTHON_IS_MANDATORY STREQUAL 0)
  29   SET(PYTHON_IS_MANDATORY 0)
  30   SET(PYTHON_IS_OPTIONAL 1)
  31 ENDIF(PYTHON_IS_MANDATORY STREQUAL 0)
  32 IF(PYTHON_IS_OPTIONAL STREQUAL 0)
  33   SET(PYTHON_IS_MANDATORY 1)
  34   SET(PYTHON_IS_OPTIONAL 0)
  35 ENDIF(PYTHON_IS_OPTIONAL STREQUAL 0)
  36 IF(NOT PYTHON_IS_MANDATORY AND NOT PYTHON_IS_OPTIONAL)
  37   SET(PYTHON_IS_MANDATORY 1)
  38   SET(PYTHON_IS_OPTIONAL 0)
  39 ENDIF(NOT PYTHON_IS_MANDATORY AND NOT PYTHON_IS_OPTIONAL)
  40
  41 # ------
  42
  43 SET(PYTHON_STATUS 1)
  44 IF(WITHOUT_PYTHON OR WITH_PYTHON STREQUAL 0)
  45   SET(PYTHON_STATUS 0)
  46   MESSAGE(STATUS "python disabled from command line.")
  47 ENDIF(WITHOUT_PYTHON OR WITH_PYTHON STREQUAL 0)
  48
  49 # ------
  50
  51 IF(PYTHON_STATUS)
  52   IF(WITH_PYTHON)
  53     SET(PYTHON_ROOT_USER ${WITH_PYTHON})
  54   ENDIF(WITH_PYTHON)
  55   IF(NOT PYTHON_ROOT_USER)
  56     SET(PYTHON_ROOT_USER $ENV{PYTHON_ROOT})
  57   ENDIF(NOT PYTHON_ROOT_USER)
  58   IF(NOT PYTHON_ROOT_USER)
  59     SET(PYTHON_ROOT_USER $ENV{PYTHONHOME})
  60   ENDIF(NOT PYTHON_ROOT_USER)
  61 ENDIF(PYTHON_STATUS)
  62
  63 # ------
  64
  65 IF(PYTHON_STATUS)
  66   IF(PYTHON_ROOT_USER)
  67     SET(PYTHON_FIND_PATHS_OPTION NO_DEFAULT_PATH)
  68   ELSE(PYTHON_ROOT_USER)
  69     SET(PYTHON_FIND_PATHS_OPTION)
  70   ENDIF(PYTHON_ROOT_USER)
  71 ENDIF(PYTHON_STATUS)
  72
  73 # ------
  74
  75 IF(PYTHON_STATUS)
  76   IF(WINDOWS)
  77     IF(CMAKE_BUILD_TYPE STREQUAL Release)
  78       SET(PYTHON_EXECUTABLE_TO_FIND python)
  79     ELSE(CMAKE_BUILD_TYPE STREQUAL Release)
  80       SET(PYTHON_EXECUTABLE_TO_FIND python_d)
  81     ENDIF(CMAKE_BUILD_TYPE STREQUAL Release)
  82   ELSE(WINDOWS)
  83     SET(PYTHON_EXECUTABLE_TO_FIND python)
  84   ENDIF(WINDOWS)
  85   IF(NOT PYTHON_ROOT_USER)
  86     SET(PYTHON_EXECUTABLE_PATHS)
  87   ELSE(NOT PYTHON_ROOT_USER)
  88     IF(WINDOWS)
  89       SET(PYTHON_EXECUTABLE_PATHS ${PYTHON_ROOT_USER} ${PYTHON_ROOT_USER}/bin ${PYTHON_ROOT_USER}/PCbuild)
  90     ELSE(WINDOWS)
  91       SET(PYTHON_EXECUTABLE_PATHS ${PYTHON_ROOT_USER}/bin)
  92     ENDIF(WINDOWS)
  93   ENDIF(NOT PYTHON_ROOT_USER)
  94   FIND_PROGRAM(PYTHON_EXECUTABLE ${PYTHON_EXECUTABLE_TO_FIND} PATHS ${PYTHON_EXECUTABLE_PATHS} ${PYTHON_FIND_PATHS_OPTION})
  95   IF(PYTHON_EXECUTABLE)
  96     MESSAGE(STATUS "python found: ${PYTHON_EXECUTABLE}")
  97     IF(PYTHON_EXECUTABLE STREQUAL /usr/bin/python)
  98     ELSE(PYTHON_EXECUTABLE STREQUAL /usr/bin/python)
  99       SET(PYTHON_ROOT_USER ${PYTHON_EXECUTABLE})
 100       IF(PYTHON_EXECUTABLE STREQUAL ${PYTHON_ROOT_USER}/${PYTHON_EXECUTABLE_TO_FIND})
 101         GET_FILENAME_COMPONENT(PYTHON_ROOT_USER ${PYTHON_ROOT_USER} PATH)
 102       ELSE(PYTHON_EXECUTABLE STREQUAL ${PYTHON_ROOT_USER}/${PYTHON_EXECUTABLE_TO_FIND})
 103         GET_FILENAME_COMPONENT(PYTHON_ROOT_USER ${PYTHON_ROOT_USER} PATH)
 104         GET_FILENAME_COMPONENT(PYTHON_ROOT_USER ${PYTHON_ROOT_USER} PATH)
 105       ENDIF(PYTHON_EXECUTABLE STREQUAL ${PYTHON_ROOT_USER}/${PYTHON_EXECUTABLE_TO_FIND})
 106     ENDIF(PYTHON_EXECUTABLE STREQUAL /usr/bin/python)
 107   ELSE(PYTHON_EXECUTABLE)
 108     IF(PYTHON_ROOT_USER)
 109       MESSAGE(STATUS "${PYTHON_EXECUTABLE_TO_FIND} not found in ${PYTHON_EXECUTABLE_PATHS}, check your PYTHON installation.")
 110     ELSE(PYTHON_ROOT_USER)
 111       MESSAGE(STATUS "${PYTHON_EXECUTABLE_TO_FIND} not found on system, try to use WITH_PYTHON option or PYTHON_ROOT environment variable.")
 112     ENDIF(PYTHON_ROOT_USER)
 113     SET(PYTHON_STATUS 0)
 114   ENDIF(PYTHON_EXECUTABLE)
 115 ENDIF(PYTHON_STATUS)
 116
 117 # ------
 118
 119 IF(PYTHON_STATUS)
 120   EXECUTE_PROCESS(
 121     COMMAND ${PYTHON_EXECUTABLE} -c "import sys; sys.stdout.write(sys.version[:3])"
 122     OUTPUT_VARIABLE PYTHON_VERSION
 123     )
 124 ENDIF(PYTHON_STATUS)
 125
 126 # ------
 127
 128 IF(PYTHON_STATUS)
 129   IF(PYTHON_ROOT_USER)
 130     SET(PYTHON_FIND_PATHS_OPTION NO_DEFAULT_PATH)
 131   ELSE(PYTHON_ROOT_USER)
 132     SET(PYTHON_FIND_PATHS_OPTION)
 133   ENDIF(PYTHON_ROOT_USER)
 134 ENDIF(PYTHON_STATUS)
 135
 136 # ------
 137
 138 IF(PYTHON_STATUS)
 139   IF(PYTHON_ROOT_USER)
 140     SET(PYTHON_INCLUDE_PATHS ${PYTHON_ROOT_USER}/include ${PYTHON_ROOT_USER}/include/python${PYTHON_VERSION})
 141   ELSE(PYTHON_ROOT_USER)
 142     SET(PYTHON_INCLUDE_PATHS /usr/include/python${PYTHON_VERSION})
 143   ENDIF(PYTHON_ROOT_USER)
 144   SET(PYTHON_INCLUDE_TO_FIND Python.h)
 145   FIND_PATH(PYTHON_INCLUDE_DIR ${PYTHON_INCLUDE_TO_FIND} PATHS ${PYTHON_INCLUDE_PATHS} ${PYTHON_FIND_PATHS_OPTION})
 146   IF(PYTHON_INCLUDE_DIR)
 147     SET(PYTHON_INCLUDES -I${PYTHON_INCLUDE_DIR})
 148     IF(WINDOWS)
 149       IF(CMAKE_BUILD_TYPE STREQUAL Release)
 150       ELSE(CMAKE_BUILD_TYPE STREQUAL Release)
 151         SET(PYTHON_INCLUDES ${PYTHON_INCLUDES} -DHAVE_DEBUG_PYTHON)
 152       ENDIF(CMAKE_BUILD_TYPE STREQUAL Release)
 153     ENDIF(WINDOWS)
 154     MESSAGE(STATUS "${PYTHON_INCLUDE_TO_FIND} found in ${PYTHON_INCLUDE_DIR}")
 155   ELSE(PYTHON_INCLUDE_DIR)
 156     SET(PYTHON_STATUS 0)
 157     IF(PYTHON_ROOT_USER)
 158       MESSAGE(STATUS "${PYTHON_INCLUDE_TO_FIND} not found in ${PYTHON_INCLUDE_PATHS}, check your PYTHON installation.")
 159     ELSE(PYTHON_ROOT_USER)
 160       MESSAGE(STATUS "${PYTHON_INCLUDE_TO_FIND} not found on system, try to use WITH_PYTHON option or PYTHON_ROOT environment variable.")
 161     ENDIF(PYTHON_ROOT_USER)
 162   ENDIF(PYTHON_INCLUDE_DIR)
 163 ENDIF(PYTHON_STATUS)
 164
 165 # ----
 166
 167 IF(PYTHON_STATUS)
 168   IF(PYTHON_ROOT_USER)
 169     IF(WINDOWS)
 170       SET(PYTHON_LIB_PATHS ${PYTHON_ROOT_USER}/libs)
 171     ELSE(WINDOWS)
 172       SET(PYTHON_LIB_PATHS ${PYTHON_ROOT_USER}/lib ${PYTHON_ROOT_USER}/lib/python${PYTHON_VERSION}/config)
 173     ENDIF(WINDOWS)
 174   ELSE(PYTHON_ROOT_USER)
 175     SET(PYTHON_LIB_PATHS)
 176   ENDIF(PYTHON_ROOT_USER)
 177   IF(WINDOWS)
 178     STRING(REPLACE "." "" PYTHON_VERSION_WITHOUT_DOT ${PYTHON_VERSION})
 179     IF(CMAKE_BUILD_TYPE STREQUAL Release)
 180       FIND_LIBRARY(PYTHON_LIB python${PYTHON_VERSION_WITHOUT_DOT} PATHS ${PYTHON_LIB_PATHS} ${PYTHON_FIND_PATHS_OPTION})
 181     ELSE(CMAKE_BUILD_TYPE STREQUAL Release)
 182       FIND_LIBRARY(PYTHON_LIB python${PYTHON_VERSION_WITHOUT_DOT}_d PATHS ${PYTHON_LIB_PATHS} ${PYTHON_FIND_PATHS_OPTION})
 183     ENDIF(CMAKE_BUILD_TYPE STREQUAL Release)
 184   ELSE(WINDOWS)
 185     FIND_LIBRARY(PYTHON_LIB python${PYTHON_VERSION} PATHS ${PYTHON_LIB_PATHS} ${PYTHON_FIND_PATHS_OPTION})
 186   ENDIF(WINDOWS)
 187   SET(PYTHON_LIBS)
 188   IF(PYTHON_LIB)
 189     SET(PYTHON_LIBS ${PYTHON_LIBS} ${PYTHON_LIB})
 190     MESSAGE(STATUS "python lib found: ${PYTHON_LIB}")
 191   ELSE(PYTHON_LIB)
 192     SET(PYTHON_STATUS 0)
 193     IF(PYTHON_ROOT_USER)
 194       MESSAGE(STATUS "python lib not found in ${PYTHON_LIB_PATHS}, check your PYTHON installation.")
 195     ELSE(PYTHON_ROOT_USER)
 196       MESSAGE(STATUS "python lib not found on system, try to use WITH_PYTHON option or PYTHON_ROOT environment variable.")
 197     ENDIF(PYTHON_ROOT_USER)
 198   ENDIF(PYTHON_LIB)
 199 ENDIF(PYTHON_STATUS)
 200
 201 # ----
 202
 203 IF(PYTHON_STATUS)
 204 ELSE(PYTHON_STATUS)
 205   IF(PYTHON_IS_MANDATORY)
 206     MESSAGE(FATAL_ERROR "python not found ... mandatory ... abort")
 207   ELSE(PYTHON_IS_MANDATORY)
 208     MESSAGE(STATUS "python not found ... optional ... disabled")
 209   ENDIF(PYTHON_IS_MANDATORY)
 210 ENDIF(PYTHON_STATUS)