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# ===========================================================================

#     http://www.gnu.org/software/autoconf-archive/ax_python_module.html

# ===========================================================================

#

# SYNOPSIS

#

#   AX_PYTHON_MODULE(modname[, fatal])

#

# DESCRIPTION

#

#   Checks for Python module.

#

#   If fatal is non-empty then absence of a module will trigger an error.

#

# LICENSE

#

#   Copyright (c) 2008 Andrew Collier

#

#   Copying and distribution of this file, with or without modification, are

#   permitted in any medium without royalty provided the copyright notice

#   and this notice are preserved. This file is offered as-is, without any

#   warranty.

#serial 6

AU_ALIAS([AC_PYTHON_MODULE], [AX_PYTHON_MODULE])

AC_DEFUN([AX_PYTHON_MODULE],[

    if test -z $PYTHON;

    then

        PYTHON="python"

    fi

    PYTHON_NAME=`basename $PYTHON`

    AC_MSG_CHECKING($PYTHON_NAME module: $1)

	$PYTHON -c "import $1" 2>/dev/null

	if test $? -eq 0;

	then

		AC_MSG_RESULT(yes)

		eval AS_TR_CPP(HAVE_PYMOD_$1)=yes

	else

		AC_MSG_RESULT(no)

		eval AS_TR_CPP(HAVE_PYMOD_$1)=no

		#

		if test -n "$2"

		then

			AC_MSG_ERROR(failed to find required module $1)

			exit 1

		fi

	fi

])