# Copyright 2010, 2012 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

# Return true if the target supports DWARF-2 and uses gas.
# For now pick a sampling of likely targets.
proc dwarf2_support {} {
    if {[istarget *-*-linux*]
	|| [istarget *-*-gnu*]
	|| [istarget *-*-elf*]
	|| [istarget *-*-openbsd*]
	|| [istarget arm*-*-eabi*]
	|| [istarget arm*-*-symbianelf*]
	|| [istarget powerpc-*-eabi*]} {
	return 1
    }

    return 0
}
