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#   Copyright (C) 2004, 2007 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]
        }
    }
}