gcc/testsuite/lib/wrapper.exp

   1 #   Copyright (C) 2004-2024 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 gcc_adjusted_linker_flags
  26
  27     if { [target_info needs_status_wrapper] != "" \
  28          && [target_info needs_status_wrapper] != "0" \
  29          && ![info exists gluefile] } {
  30         set_ld_library_path_env_vars
  31         set saved_wrap_compile_flags [target_info wrap_compile_flags]
  32         set flags [join $args " "]
  33         # The wrapper code may contain code that gcc objects on.  This
  34         # became true for dejagnu-1.4.4.  The set of warnings and code
  35         # that gcc objects on may change, so just make sure -w is always
  36         # passed to turn off all warnings.
  37         unset_currtarget_info wrap_compile_flags
  38         set_currtarget_info wrap_compile_flags \
  39             "$saved_wrap_compile_flags -w $flags"
  40         set result [build_wrapper $filename]
  41         unset_currtarget_info wrap_compile_flags
  42         set_currtarget_info wrap_compile_flags "$saved_wrap_compile_flags"
  43         if { $result != "" } {
  44             set gluefile [lindex $result 0]
  45             set wrap_flags [lindex $result 1]
  46
  47             # Reset the cached state of the adjusted flags
  48             if { [info exists gcc_adjusted_linker_flags] } {
  49                 set gcc_adjusted_linker_flags 0
  50             }
  51         }
  52     }
  53 }