python numpy support

if test "$_python_static" != no || test "$_python_modular" != no
	then
		echocheck "Python numpy support"
		if $PYTHON -c "import sys; import numpy" >/dev/null 2>&1
		then
			if [ `$PYTHON -c 'import numpy; print numpy.__version__' | cut -c 1` -gt 0 ]
			then
				echores "`$PYTHON -c 'import numpy; print numpy.__version__'`"
			else
				echores "`$PYTHON -c 'import numpy; print numpy.__version__'`... too old version 1.0 or later required"
				if test "$_python" = yes
				then
					die "python numpy outdated"
				fi
				_python="no"
			fi
		else
			echores "no"
			if test "$_python" = yes || test "$_python_static" = yes \
				|| test "$_python_modular" = yes
			then
				die "python numpy package missing"
			fi
			_python="no"
		fi

		if test "$_python" != no
		then
			PRE_LIB_SWIG_PYTHON_MODULAR=_
			EXT_IF_SWIG_PYTHON_MODULAR='.py'
			test -n "$_pyinclude" && _pyinclude="-I$_pyinclude"
			test -n "$_pyinclude" || _pyinclude=`$PYTHON -c "from distutils.sysconfig import get_python_inc; import numpy; print '-I%s -I%s' % (get_python_inc(), numpy.get_include())"`
			_pylibpath=`$PYTHON -c 'from distutils.sysconfig import get_config_vars; print "-L%(LIBPL)s" % get_config_vars()'`
			EXT_LIB_SWIG_PYTHON_MODULAR=`$PYTHON -c 'from distutils.sysconfig import get_config_vars; print "%(SO)s" % get_config_vars()'`
			test -n "$_pylibs" || _pylibs=`$PYTHON -c "import sys; print 'python'+sys.version[0:3]"`${EXT_LIB_SWIG_PYTHON_MODULAR%.*}
			INCLUDES_PYTHON="$_pyinclude $INCLUDES_PYTHON"
			COMPFLAGS_CPP_PYTHON="-fno-strict-aliasing -fPIC $COMPFLAGS_CPP_PYTHON"
			COMPFLAGS_C_PYTHON="-fno-strict-aliasing -fPIC $COMPFLAGS_C_PYTHON"

			if darwin
			then
				LINKFLAGS_PYTHON="$_pylibpath -l$_pylibs -ldl -bundle -Wl,-flat_namespace $LINKFLAGS_PYTHON"
				POSTLINKFLAGS_PYTHON="$_pylibpath -l$_pylibs -ldl -bundle -Wl,-flat_namespace $POSTLINKFLAGS_PYTHON"
			else
				LINKFLAGS_PYTHON="-shared $_pylibpath -l$_pylibs $LINKFLAGS_PYTHON"
				POSTLINKFLAGS_PYTHON="-shared $_pylibpath -l$_pylibs $POSTLINKFLAGS_PYTHON"
			fi

			PYTHON_TARGET="sg$EXT_LIB_SWIG_PYTHON_MODULAR"