gcc/testsuite/lib/prune.exp

   1 #   Copyright (C) 1997, 1999, 2000, 2002, 2004, 2007
   2 #   Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with GCC; see the file COPYING3.  If not see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 # Prune messages from gcc that aren't useful.
  19
  20 proc prune_gcc_output { text } {
  21     #send_user "Before:$text\n"
  22
  23     regsub -all "(^|\n)(\[^\n\]*: )?In ((static member )?function|member|method|(copy )?constructor|destructor|instantiation|program|subroutine|block-data) \[^\n\]*" $text "" text
  24     regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text
  25     regsub -all "(^|\n)\[^\n\]*:   instantiated from \[^\n\]*" $text "" text
  26     regsub -all "(^|\n)    inlined from \[^\n\]*" $text "" text
  27     regsub -all "(^|\n)collect2: ld returned \[^\n\]*" $text "" text
  28     regsub -all "(^|\n)collect: re(compiling|linking)\[^\n\]*" $text "" text
  29     regsub -all "(^|\n)Please submit.*instructions\[^\n\]*" $text "" text
  30     regsub -all "(^|\n)\[0-9\]\[0-9\]* errors\." $text "" text
  31
  32     # Ignore harmless -fpic warnings.
  33     regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC) ignored for target\[^\n\]*" $text "" text
  34     regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC)( and -fpic are| is)? not supported\[^\n\]*" $text "" text
  35
  36     # Ignore errata warning from IA64 assembler.
  37     regsub -all "(^|\n)\[^\n\]*: Additional NOP may be necessary to workaround Itanium processor A/B step errata" $text "" text
  38     regsub -all "(^|\n)\[^\n*\]*: Assembler messages:\[^\n\]*" $text "" text
  39
  40     # It would be nice to avoid passing anything to gcc that would cause it to
  41     # issue these messages (since ignoring them seems like a hack on our part),
  42     # but that's too difficult in the general case.  For example, sometimes
  43     # you need to use -B to point gcc at crt0.o, but there are some targets
  44     # that don't have crt0.o.
  45     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
  46     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
  47
  48     #send_user "After:$text\n"
  49
  50     return $text
  51 }
  52
  53 # Provide a definition of this if missing (delete after next dejagnu release).
  54
  55 if { [info procs prune_warnings] == "" } then {
  56     proc prune_warnings { text } {
  57         return $text
  58     }
  59 }