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

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

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

#

# SYNOPSIS

#

# AX_PYTHON_MODULE(modname[, fatal, python])

#

# DESCRIPTION

#

# Checks for Python module.

#

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

# The third parameter can either be "python" for Python 2 or "python3" for

# Python 3; defaults to Python 3.

#

# 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 9

AU_ALIAS([AC_PYTHON_MODULE], [AX_PYTHON_MODULE])

AC_DEFUN([AX_PYTHON_MODULE],[

if test -z $PYTHON;

then

if test -z "$3";

then

PYTHON="python3"

else

PYTHON="$3"

fi

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

])