m4/ax_python_module.m4

   1 # ===========================================================================
   2 #     https://www.gnu.org/software/autoconf-archive/ax_python_module.html
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_PYTHON_MODULE(modname[, fatal, python])
   8 #
   9 # DESCRIPTION
  10 #
  11 #   Checks for Python module.
  12 #
  13 #   If fatal is non-empty then absence of a module will trigger an error.
  14 #   The third parameter can either be "python" for Python 2 or "python3" for
  15 #   Python 3; defaults to Python 3.
  16 #
  17 # LICENSE
  18 #
  19 #   Copyright (c) 2008 Andrew Collier
  20 #
  21 #   Copying and distribution of this file, with or without modification, are
  22 #   permitted in any medium without royalty provided the copyright notice
  23 #   and this notice are preserved. This file is offered as-is, without any
  24 #   warranty.
  25
  26 #serial 9
  27
  28 AU_ALIAS([AC_PYTHON_MODULE], [AX_PYTHON_MODULE])
  29 AC_DEFUN([AX_PYTHON_MODULE],[
  30     if test -z $PYTHON;
  31     then
  32         if test -z "$3";
  33         then
  34             PYTHON="python3"
  35         else
  36             PYTHON="$3"
  37         fi
  38     fi
  39     PYTHON_NAME=`basename $PYTHON`
  40     AC_MSG_CHECKING($PYTHON_NAME module: $1)
  41     $PYTHON -c "import $1" 2>/dev/null
  42     if test $? -eq 0;
  43     then
  44         AC_MSG_RESULT(yes)
  45         eval AS_TR_CPP(HAVE_PYMOD_$1)=yes
  46     else
  47         AC_MSG_RESULT(no)
  48         eval AS_TR_CPP(HAVE_PYMOD_$1)=no
  49         #
  50         if test -n "$2"
  51         then
  52             AC_MSG_ERROR(failed to find required module $1)
  53             exit 1
  54         fi
  55     fi
  56 ])