#   Copyright (C) 2004-2014 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 GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# This file contains GCC-specifics for status wrappers for test programs.

# ${tool}_maybe_build_wrapper -- Build wrapper object if the target
# needs it.  FILENAME is the path to the wrapper file.  If there are
# additional arguments, they are command-line options to provide to
# the compiler when compiling FILENAME.

proc ${tool}_maybe_build_wrapper { filename args } {
    global gluefile wrap_flags

    if { [target_info needs_status_wrapper] != "" \
 	 && [target_info needs_status_wrapper] != "0" \
	 && ![info exists gluefile] } {
	set_ld_library_path_env_vars
	set saved_wrap_compile_flags [target_info wrap_compile_flags]
	set flags [join $args " "]
	# The wrapper code may contain code that gcc objects on.  This
	# became true for dejagnu-1.4.4.  The set of warnings and code
	# that gcc objects on may change, so just make sure -w is always
	# passed to turn off all warnings.
	set_currtarget_info wrap_compile_flags \
	    "$saved_wrap_compile_flags -w $flags"
	set result [build_wrapper $filename]
	set_currtarget_info wrap_compile_flags "$saved_wrap_compile_flags"
	if { $result != "" } {
	    set gluefile [lindex $result 0]
	    set wrap_flags [lindex $result 1]
	}
    }
}