source4/scripting/python/config.m4

   1 m4_include(scripting/python/ac_pkg_swig.m4)
   2
   3 AC_ARG_VAR([PYTHON_VERSION],[The installed Python
   4         version to use, for example '2.3'. This string
   5         will be appended to the Python interpreter
   6         canonical name.])
   7
   8 AC_PROG_SWIG(1.3.36)
   9
  10 AC_PATH_PROG([PYTHON],[python[$PYTHON_VERSION]])
  11 if test -z "$PYTHON"; then
  12         working_python=no
  13         AC_MSG_WARN([No python found])
  14 fi
  15
  16 AC_DEFUN([TRY_LINK_PYTHON],
  17 [
  18         if test $working_python = no; then
  19                 ac_save_LIBS="$LIBS"
  20                 ac_save_CFLAGS="$CFLAGS"
  21                 LIBS="$LIBS $1"
  22                 CFLAGS="$CFLAGS $2"
  23
  24                 AC_TRY_LINK([
  25                                 /* we have our own configure tests */
  26                                 #include <Python.h>
  27                         ],[
  28                                 Py_InitModule(NULL, NULL);
  29                         ],[
  30                                 PYTHON_LDFLAGS="$1"
  31                                 PYTHON_CFLAGS="$2"
  32                                 working_python=yes
  33                         ])
  34                 LIBS="$ac_save_LIBS"
  35                 CFLAGS="$ac_save_CFLAGS"
  36         fi
  37 ])
  38
  39 dnl assume no working python
  40 working_python=no
  41
  42 if test -z "$PYTHON_VERSION"; then
  43         AC_PATH_PROGS([PYTHON_CONFIG], [python2.6-config python2.5-config python2.4-config python-config])
  44 else
  45         AC_PATH_PROG([PYTHON_CONFIG], [python[$PYTHON_VERSION]-config])
  46 fi
  47
  48 if test -z "$PYTHON_CONFIG"; then
  49         AC_MSG_WARN([No python-config found])
  50 else
  51         TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
  52         TRY_LINK_PYTHON([`$PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
  53         if test x$working_python = xno; then
  54                 # It seems the library path isn't included on some systems
  55                 base=`$PYTHON_CONFIG --prefix`
  56         TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --includes`])
  57         TRY_LINK_PYTHON([`echo -n -L${base}/lib " "; $PYTHON_CONFIG --ldflags`], [`$PYTHON_CONFIG --cflags`])
  58         fi
  59 fi
  60
  61 if test x$PYTHON != x
  62 then
  63         DISTUTILS_CFLAGS=`$PYTHON -c "from distutils import sysconfig; print '-I%s -I%s %s' % (sysconfig.get_python_inc(), sysconfig.get_python_inc(plat_specific=1), sysconfig.get_config_var('CFLAGS'))"`
  64         DISTUTILS_LDFLAGS=`$PYTHON -c "from distutils import sysconfig; print '%s %s -lpython%s -L%s' % (sysconfig.get_config_var('LIBS'), sysconfig.get_config_var('SYSLIBS'), sysconfig.get_config_var('VERSION'), sysconfig.get_config_var('LIBPL'))"`
  65         TRY_LINK_PYTHON($DISTUTILS_LDFLAGS, $DISTUTILS_CFLAGS)
  66 fi
  67
  68 SMB_EXT_LIB(EXT_LIB_PYTHON, [$PYTHON_LDFLAGS], [$PYTHON_CFLAGS])
  69
  70 AC_MSG_CHECKING(working python module support)
  71 if test $working_python = yes; then
  72         SMB_ENABLE(EXT_LIB_PYTHON,YES)
  73         SMB_ENABLE(LIBPYTHON,YES)
  74         AC_MSG_RESULT([yes])
  75 else
  76         AC_MSG_ERROR([Python not found. Please install Python 2.x and its development headers/libraries.])
  77 fi
  78
  79 AC_MSG_CHECKING(python library directory)
  80 pythondir=`$PYTHON -c "from distutils import sysconfig; print sysconfig.get_python_lib(1, 0, '\\${prefix}')"`
  81 AC_MSG_RESULT($pythondir)
  82
  83 AC_SUBST(pythondir)