gcc/testsuite/lib/prune.exp

   1 #   Copyright (C) 1997-2015 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 # Prune messages from gcc that aren't useful.
  18
  19 if ![info exists TEST_ALWAYS_FLAGS] {
  20     set TEST_ALWAYS_FLAGS ""
  21 }
  22 set TEST_ALWAYS_FLAGS "-fno-diagnostics-show-caret -fdiagnostics-color=never $TEST_ALWAYS_FLAGS"
  23
  24 proc prune_gcc_output { text } {
  25     global srcdir
  26
  27     #send_user "Before:$text\n"
  28
  29     regsub -all "(^|\n)(\[^\n\]*: )?In ((static member |lambda )?function|member|method|(copy )?constructor|destructor|instantiation|substitution|program|subroutine|block-data)\[^\n\]*" $text "" text
  30     regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text
  31     regsub -all "(^|\n)\[^\n\]*:   (recursively )?required \[^\n\]*" $text "" text
  32     regsub -all "(^|\n)\[^\n\]*:   . skipping \[0-9\]* instantiation contexts \[^\n\]*" $text "" text
  33     regsub -all "(^|\n)\[^\n\]*:   in constexpr expansion \[^\n\]*" $text "" text
  34     regsub -all "(^|\n)    inlined from \[^\n\]*" $text "" text
  35     regsub -all "(^|\n)collect2: error: ld returned \[^\n\]*" $text "" text
  36     regsub -all "(^|\n)collect: re(compiling|linking)\[^\n\]*" $text "" text
  37     regsub -all "(^|\n)Please submit.*instructions\[^\n\]*" $text "" text
  38     regsub -all "(^|\n)\[0-9\]\[0-9\]* errors\." $text "" text
  39     regsub -all "(^|\n)(In file included|\[ \]+from)\[^\n\]*" $text "" text
  40
  41     # Ignore informational notes.
  42     regsub -all "(^|\n)\[^\n\]*: note: \[^\n\]*" $text "" text
  43
  44     # Ignore harmless -fpic warnings.
  45     regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC) ignored for target\[^\n\]*" $text "" text
  46     regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC)( and -fpic are| is)? not supported\[^\n\]*" $text "" text
  47
  48     # Ignore errata warning from IA64 assembler.
  49     regsub -all "(^|\n)\[^\n\]*: Additional NOP may be necessary to workaround Itanium processor A/B step errata" $text "" text
  50     regsub -all "(^|\n)\[^\n*\]*: Assembler messages:\[^\n\]*" $text "" text
  51
  52     # Ignore harmless VTA note.
  53     regsub -all "(^|\n)\[^\n\]*: note: variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without\[^\n\]*" $text "" text
  54
  55     # It would be nice to avoid passing anything to gcc that would cause it to
  56     # issue these messages (since ignoring them seems like a hack on our part),
  57     # but that's too difficult in the general case.  For example, sometimes
  58     # you need to use -B to point gcc at crt0.o, but there are some targets
  59     # that don't have crt0.o.
  60     regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
  61     regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text
  62
  63     # Ignore harmless warnings from Xcode 3.2.x.
  64     regsub -all "(^|\n)\[^\n\]*ld: warning: can't add line info to anonymous symbol\[^\n\]*" $text "" text
  65     regsub -all "(^|\n)\[^\n\]*warning: DWARFDebugInfoEntry::AppendDependants\[^\n\]*AT_\[^\n\]*FORM_ref4\[^\n\]*" $text "" text
  66     regsub -all "(^|\n)\[^\n\]*warning:\[^\n\]*TAG_variable:  AT_location\[^\n\]*didn't have valid function low pc\[^\n\]*" $text "" text
  67
  68     # Ignore harmless warnings from Xcode 4.0.
  69     regsub -all "(^|\n)\[^\n\]*ld: warning: could not create compact unwind for\[^\n\]*" $text "" text
  70
  71     #send_user "After:$text\n"
  72
  73     return $text
  74 }
  75
  76 proc prune_file_path { text } {
  77     global srcdir
  78
  79     # Truncate absolute file path into relative path.
  80     set topdir "[file dirname [file dirname [file dirname $srcdir]]]"
  81     # regsub -all "$srcdir\/" $text "" text
  82     regsub -all "$topdir\/" $text "" text
  83
  84     return $text
  85 }
  86
  87 # Provide a definition of this if missing (delete after next dejagnu release).
  88
  89 if { [info procs prune_warnings] == "" } then {
  90     proc prune_warnings { text } {
  91         return $text
  92     }
  93 }