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#   Copyright (C) 1997, 1999, 2000, 2002, 2004, 2007, 2008, 2010, 2011

#   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 3 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 GCC; see the file COPYING3.  If not see

# .

# Prune messages from gcc that aren't useful.

proc prune_gcc_output { text } {

    #send_user "Before:$text\n"

    regsub -all "(^|\n)(\[^\n\]*: )?In ((static member |lambda )?function|member|method|(copy )?constructor|destructor|instantiation|substitution|program|subroutine|block-data)\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*(: )?At (top level|global scope):\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*:   (recursively )?required \[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*:   . skipping \[0-9\]* instantiation contexts \[^\n\]*" $text "" text

    regsub -all "(^|\n)    inlined from \[^\n\]*" $text "" text

    regsub -all "(^|\n)collect2: error: ld returned \[^\n\]*" $text "" text

    regsub -all "(^|\n)collect: re(compiling|linking)\[^\n\]*" $text "" text

    regsub -all "(^|\n)Please submit.*instructions\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[0-9\]\[0-9\]* errors\." $text "" text

    regsub -all "(^|\n)(In file included|\[ \]+from)\[^\n\]*" $text "" text

    # Ignore informational notes.

    regsub -all "(^|\n)\[^\n\]*: note: \[^\n\]*" $text "" text

    # Ignore harmless -fpic warnings.

    regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC) ignored for target\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*: warning: -f(pic|PIC)( and -fpic are| is)? not supported\[^\n\]*" $text "" text

    # Ignore errata warning from IA64 assembler.

    regsub -all "(^|\n)\[^\n\]*: Additional NOP may be necessary to workaround Itanium processor A/B step errata" $text "" text

    regsub -all "(^|\n)\[^\n*\]*: Assembler messages:\[^\n\]*" $text "" text

    # Ignore second line of IRIX 6 linker multiline message.

    regsub -all "(^|\n)\[ \t\]*that might degrade performance on an older version \\(rev. 2.2\\) R4000 processor.\[^\n\]*" $text "" text

    # Ignore harmless VTA note.

    regsub -all "(^|\n)\[^\n\]*: note: variable tracking size limit exceeded with -fvar-tracking-assignments, retrying without\[^\n\]*" $text "" text

    # It would be nice to avoid passing anything to gcc that would cause it to

    # issue these messages (since ignoring them seems like a hack on our part),

    # but that's too difficult in the general case.  For example, sometimes

    # you need to use -B to point gcc at crt0.o, but there are some targets

    # that don't have crt0.o.

    regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text

    regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text

    # Ignore harmless warnings from Xcode 3.2.x.

    regsub -all "(^|\n)\[^\n\]*ld: warning: can't add line info to anonymous symbol\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*warning: DWARFDebugInfoEntry::AppendDependants\[^\n\]*AT_\[^\n\]*_bound\[^\n\]*FORM_ref4\[^\n\]*" $text "" text

    regsub -all "(^|\n)\[^\n\]*warning:\[^\n\]*TAG_variable:  AT_location\[^\n\]*didn't have valid function low pc\[^\n\]*" $text "" text

    # Ignore harmless warnings from Xcode 4.0.

    regsub -all "(^|\n)\[^\n\]*ld: warning: could not create compact unwind for\[^\n\]*" $text "" text

    #send_user "After:$text\n"

    return $text

}

# Provide a definition of this if missing (delete after next dejagnu release).

if { [info procs prune_warnings] == "" } then {

    proc prune_warnings { text } {

        return $text

    }

}