wrapper.exp

来自「linux下编程用 编译软件」· EXP 代码 · 共 41 行

#   Copyright (C) 2004 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  

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

# ${tool}_maybe_build_wrapper -- Build wrapper object if the target needs it.

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

    if { [target_info needs_status_wrapper] != "" \
 	 && [target_info needs_status_wrapper] != "0" \
	 && ![info exists gluefile] } {
	set saved_wrap_compile_flags [target_info wrap_compile_flags]
	# 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"
	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]
	}
    }
}