1#   Copyright (C) 2004, 2007 Free Software Foundation, Inc.
2
3# This program is free software; you can redistribute it and/or modify
4# it under the terms of the GNU General Public License as published by
5# the Free Software Foundation; either version 3 of the License, or
6# (at your option) any later version.
7#
8# This program is distributed in the hope that it will be useful,
9# but WITHOUT ANY WARRANTY; without even the implied warranty of
10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11# GNU General Public License for more details.
12#
13# You should have received a copy of the GNU General Public License
14# along with GCC; see the file COPYING3.  If not see
15# <http://www.gnu.org/licenses/>.
16
17# This file contains GCC-specifics for status wrappers for test programs.
18
19# ${tool}_maybe_build_wrapper -- Build wrapper object if the target
20# needs it.  FILENAME is the path to the wrapper file.  If there are
21# additional arguments, they are command-line options to provide to
22# the compiler when compiling FILENAME.
23
24proc ${tool}_maybe_build_wrapper { filename args } {
25    global gluefile wrap_flags
26
27    if { [target_info needs_status_wrapper] != "" \
28 	 && [target_info needs_status_wrapper] != "0" \
29	 && ![info exists gluefile] } {
30	set saved_wrap_compile_flags [target_info wrap_compile_flags]
31	set flags [join $args " "]
32	# The wrapper code may contain code that gcc objects on.  This
33	# became true for dejagnu-1.4.4.  The set of warnings and code
34	# that gcc objects on may change, so just make sure -w is always
35	# passed to turn off all warnings.
36	set_currtarget_info wrap_compile_flags \
37	    "$saved_wrap_compile_flags -w $flags"
38	set result [build_wrapper $filename]
39	set_currtarget_info wrap_compile_flags "$saved_wrap_compile_flags"
40	if { $result != "" } {
41	    set gluefile [lindex $result 0]
42	    set wrap_flags [lindex $result 1]
43	}
44    }
45}
46