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      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 
     24 proc ${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