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darling-gdb/ld/testsuite/lib/ld-lib.exp
Alan Modra dbc37f892b * ld-scripts/crossref.exp: Allow foo to have a leading dot. 
* ld-scripts/cross1.t: Add .opd.
	* ld-undefined/undefined.exp: Allow leading dot on sym names.
	* lib/ld-lib.exp (default_ld_nm): Strip leading dots from syms.
2002-01-31 03:57:52 +00:00

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# Support routines for LD testsuite.
# Copyright 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
# Free Software Foundation, Inc.
#
# This file 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
#
# default_ld_version
# extract and print the version number of ld
#
proc default_ld_version { ld } {
global host_triplet
if { [which $ld] == 0 } then {
perror "$ld does not exist"
exit 1
}
catch "exec $ld --version" tmp
set tmp [prune_warnings $tmp]
regexp "\[^\n\]* (cygnus-|)(\[-0-9.a-zA-Z-\]+)\[\r\n\].*" $tmp version cyg number
if [info exists number] then {
clone_output "$ld $number\n"
}
}
#
# default_ld_relocate
# link an object using relocation
#
proc default_ld_relocate { ld target objects } {
global HOSTING_EMU
global host_triplet
if { [which $ld] == 0 } then {
perror "$ld does not exist"
return 0
}
verbose -log "$ld $HOSTING_EMU -o $target -r $objects"
catch "exec $ld $HOSTING_EMU -o $target -r $objects" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
return 1
} else {
verbose -log "$exec_output"
return 0
}
}
# Check to see if ld is being invoked with a non-endian output format
proc is_endian_output_format { object_flags } {
if {[string match "*-oformat binary*" $object_flags] || \
[string match "*-oformat ieee*" $object_flags] || \
[string match "*-oformat ihex*" $object_flags] || \
[string match "*-oformat netbsd-core*" $object_flags] || \
[string match "*-oformat srec*" $object_flags] || \
[string match "*-oformat tekhex*" $object_flags] || \
[string match "*-oformat trad-core*" $object_flags] } then {
return 0
} else {
return 1
}
}
# Look for big-endian or little-endian switches in the multlib
# options and translate these into a -EB or -EL switch. Note
# we cannot rely upon proc process_multilib_options to do this
# for us because for some targets the compiler does not support
# -EB/-EL but it does support -mbig-endian/-mlittle-endian, and
# the site.exp file will include the switch "-mbig-endian"
# (rather than "big-endian") which is not detected by proc
# process_multilib_options.
proc big_or_little_endian {} {
if [board_info [target_info name] exists multilib_flags] {
set tmp_flags " [board_info [target_info name] multilib_flags]";
foreach x $tmp_flags {
case $x in {
{*big*endian eb EB -eb -EB} {
set flags " -EB"
return $flags
}
{*little*endian el EL -el -EL} {
set flags " -EL"
return $flags
}
}
}
}
set flags ""
return $flags
}
#
# default_ld_link
# link a program using ld
#
proc default_ld_link { ld target objects } {
global HOSTING_EMU
global HOSTING_CRT0
global HOSTING_LIBS
global LIBS
global host_triplet
global link_output
set objs "$HOSTING_CRT0 $objects"
set libs "$LIBS $HOSTING_LIBS"
if { [which $ld] == 0 } then {
perror "$ld does not exist"
return 0
}
if [is_endian_output_format $objects] then {
set flags [big_or_little_endian]
} else {
set flags ""
}
verbose -log "$ld $HOSTING_EMU $flags -o $target $objs $libs"
catch "exec $ld $HOSTING_EMU $flags -o $target $objs $libs" link_output
set exec_output [prune_warnings $link_output]
if [string match "" $link_output] then {
return 1
} else {
verbose -log "$link_output"
return 0
}
}
#
# default_ld_simple_link
# link a program using ld, without including any libraries
#
proc default_ld_simple_link { ld target objects } {
global host_triplet
global link_output
if { [which $ld] == 0 } then {
perror "$ld does not exist"
return 0
}
if [is_endian_output_format $objects] then {
set flags [big_or_little_endian]
} else {
set flags ""
}
verbose -log "$ld $flags -o $target $objects"
catch "exec $ld $flags -o $target $objects" link_output
set exec_output [prune_warnings $link_output]
# We don't care if we get a warning about a non-existent start
# symbol, since the default linker script might use ENTRY.
regsub -all "(^|\n)(\[^\n\]*: warning: cannot find entry symbol\[^\n\]*\n?)" $exec_output "\\1" exec_output
if [string match "" $exec_output] then {
return 1
} else {
verbose -log "$exec_output"
return 0
}
}
#
# default_ld_compile
# compile an object using cc
#
proc default_ld_compile { cc source object } {
global CFLAGS
global srcdir
global subdir
global host_triplet
global gcc_gas_flag
set cc_prog $cc
if {[llength $cc_prog] > 1} then {
set cc_prog [lindex $cc_prog 0]
}
if {[which $cc_prog] == 0} then {
perror "$cc_prog does not exist"
return 0
}
catch "exec rm -f $object" exec_output
set flags "-I$srcdir/$subdir $CFLAGS"
# If we are compiling with gcc, we want to add gcc_gas_flag to
# flags. Rather than determine this in some complex way, we guess
# based on the name of the compiler.
if {[string match "*gcc*" $cc] || [string match "*++*" $cc]} then {
set flags "$gcc_gas_flag $flags"
}
if [board_info [target_info name] exists multilib_flags] {
append flags " [board_info [target_info name] multilib_flags]";
}
verbose -log "$cc $flags -c $source -o $object"
catch "exec $cc $flags -c $source -o $object" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
if {![file exists $object]} then {
regexp ".*/(\[^/\]*)$" $source all dobj
regsub "\\.c" $dobj ".o" realobj
verbose "looking for $realobj"
if {[file exists $realobj]} then {
verbose -log "mv $realobj $object"
catch "exec mv $realobj $object" exec_output
set exec_output [prune_warnings $exec_output]
if {![string match "" $exec_output]} then {
verbose -log "$exec_output"
perror "could not move $realobj to $object"
return 0
}
} else {
perror "$object not found after compilation"
return 0
}
}
return 1
} else {
verbose -log "$exec_output"
perror "$source: compilation failed"
return 0
}
}
#
# default_ld_assemble
# assemble a file
#
proc default_ld_assemble { as source object } {
global ASFLAGS
global host_triplet
if {[which $as] == 0} then {
perror "$as does not exist"
return 0
}
if ![info exists ASFLAGS] { set ASFLAGS "" }
set flags [big_or_little_endian]
verbose -log "$as $flags $ASFLAGS -o $object $source"
catch "exec $as $flags $ASFLAGS -o $object $source" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
return 1
} else {
verbose -log "$exec_output"
perror "$source: assembly failed"
return 0
}
}
#
# default_ld_nm
# run nm on a file, putting the result in the array nm_output
#
proc default_ld_nm { nm nmflags object } {
global NMFLAGS
global nm_output
global host_triplet
if {[which $nm] == 0} then {
perror "$nm does not exist"
return 0
}
if {[info exists nm_output]} {
unset nm_output
}
if ![info exists NMFLAGS] { set NMFLAGS "" }
verbose -log "$nm $NMFLAGS $nmflags $object >tmpdir/nm.out"
catch "exec $nm $NMFLAGS $nmflags $object >tmpdir/nm.out" exec_output
set exec_output [prune_warnings $exec_output]
if [string match "" $exec_output] then {
set file [open tmpdir/nm.out r]
while { [gets $file line] != -1 } {
verbose "$line" 2
if [regexp "^(\[0-9a-fA-F\]+) \[a-zA-Z0-9\] \\.*(.+)$" $line whole value name] {
set name [string trimleft $name "_"]
verbose "Setting nm_output($name) to 0x$value" 2
set nm_output($name) 0x$value
}
}
close $file
return 1
} else {
verbose -log "$exec_output"
perror "$object: nm failed"
return 0
}
}
#
# simple_diff
# compares two files line-by-line
# returns differences if exist
# returns null if file(s) cannot be opened
#
proc simple_diff { file_1 file_2 } {
global target
set eof -1
set differences 0
if [file exists $file_1] then {
set file_a [open $file_1 r]
} else {
warning "$file_1 doesn't exist"
return
}
if [file exists $file_2] then {
set file_b [open $file_2 r]
} else {
fail "$file_2 doesn't exist"
return
}
verbose "# Diff'ing: $file_1 $file_2\n" 2
while { [gets $file_a line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_a $line
}
}
close $file_a
while { [gets $file_b line] != $eof } {
if [regexp "^#.*$" $line] then {
continue
} else {
lappend list_b $line
}
}
close $file_b
for { set i 0 } { $i < [llength $list_a] } { incr i } {
set line_a [lindex $list_a $i]
set line_b [lindex $list_b $i]
verbose "\t$file_1: $i: $line_a\n" 3
verbose "\t$file_2: $i: $line_b\n" 3
if [string compare $line_a $line_b] then {
verbose -log "\t$file_1: $i: $line_a\n"
verbose -log "\t$file_2: $i: $line_b\n"
fail "Test: $target"
return
}
}
if { [llength $list_a] != [llength $list_b] } {
fail "Test: $target"
return
}
if $differences<1 then {
pass "Test: $target"
}
}
# run_dump_test FILE
# Copied from gas testsuite, tweaked and further extended.
#
# Assemble a .s file, then run some utility on it and check the output.
#
# There should be an assembly language file named FILE.s in the test
# suite directory, and a pattern file called FILE.d. `run_dump_test'
# will assemble FILE.s, run some tool like `objdump', `objcopy', or
# `nm' on the .o file to produce textual output, and then analyze that
# with regexps. The FILE.d file specifies what program to run, and
# what to expect in its output.
#
# The FILE.d file begins with zero or more option lines, which specify
# flags to pass to the assembler, the program to run to dump the
# assembler's output, and the options it wants. The option lines have
# the syntax:
#
# # OPTION: VALUE
#
# OPTION is the name of some option, like "name" or "objdump", and
# VALUE is OPTION's value. The valid options are described below.
# Whitespace is ignored everywhere, except within VALUE. The option
# list ends with the first line that doesn't match the above syntax
# (hmm, not great for error detection).
#
# The interesting options are:
#
# name: TEST-NAME
# The name of this test, passed to DejaGNU's `pass' and `fail'
# commands. If omitted, this defaults to FILE, the root of the
# .s and .d files' names.
#
# as: FLAGS
# When assembling, pass FLAGS to the assembler.
# If assembling several files, you can pass different assembler
# options in the "source" directives. See below.
#
# ld: FLAGS
# Link assembled files using FLAGS, in the order of the "source"
# directives, when using multiple files.
#
# objcopy_linked_file: FLAGS
# Run objcopy on the linked file with the specified flags.
# This lets you transform the linked file using objcopy, before the
# result is analyzed by an analyzer program specified below (which
# may in turn *also* be objcopy).
#
# PROG: PROGRAM-NAME
# The name of the program to run to analyze the .o file produced
# by the assembler or the linker output. This can be omitted;
# run_dump_test will guess which program to run by seeing which of
# the flags options below is present.
#
# objdump: FLAGS
# nm: FLAGS
# objcopy: FLAGS
# Use the specified program to analyze the assembler or linker
# output file, and pass it FLAGS, in addition to the output name.
#
# source: SOURCE [FLAGS]
# Assemble the file SOURCE.s using the flags in the "as" directive
# and the (optional) FLAGS. If omitted, the source defaults to
# FILE.s.
# This is useful if several .d files want to share a .s file.
# More than one "source" directive can be given, which is useful
# when testing linking.
#
# xfail: TARGET
# The test is expected to fail on TARGET. This may occur more than
# once.
#
# target: TARGET
# Only run the test for TARGET. This may occur more than once; the
# target being tested must match at least one.
#
# notarget: TARGET
# Do not run the test for TARGET. This may occur more than once;
# the target being tested must not match any of them.
#
# error: REGEX
# An error with message matching REGEX must be emitted for the test
# to pass. The PROG, objdump, nm and objcopy options have no
# meaning and need not supplied if this is present.
#
# Each option may occur at most once unless otherwise mentioned.
#
# After the option lines come regexp lines. `run_dump_test' calls
# `regexp_diff' to compare the output of the dumping tool against the
# regexps in FILE.d. `regexp_diff' is defined later in this file; see
# further comments there.
proc run_dump_test { name } {
global subdir srcdir
global OBJDUMP NM AS OBJCOPY READELF LD
global OBJDUMPFLAGS NMFLAGS ASFLAGS OBJCOPYFLAGS READELFFLAGS LDFLAGS
global host_triplet runtests
if [string match "*/*" $name] {
set file $name
set name [file tail $name]
} else {
set file "$srcdir/$subdir/$name"
}
if ![runtest_file_p $runtests $name] then {
return
}
set opt_array [slurp_options "${file}.d"]
if { $opt_array == -1 } {
perror "error reading options from $file.d"
unresolved $subdir/$name
return
}
set dumpfile tmpdir/dump.out
set run_ld 0
set run_objcopy 0
set opts(as) {}
set opts(ld) {}
set opts(xfail) {}
set opts(target) {}
set opts(notarget) {}
set opts(objdump) {}
set opts(nm) {}
set opts(objcopy) {}
set opts(readelf) {}
set opts(name) {}
set opts(PROG) {}
set opts(source) {}
set opts(error) {}
set opts(objcopy_linked_file) {}
set asflags(${file}.s) {}
foreach i $opt_array {
set opt_name [lindex $i 0]
set opt_val [lindex $i 1]
if ![info exists opts($opt_name)] {
perror "unknown option $opt_name in file $file.d"
unresolved $subdir/$name
return
}
switch -- $opt_name {
xfail {}
target {}
notarget {}
source {
# Move any source-specific as-flags to a separate array to
# simplify processing.
if { [llength $opt_val] > 1 } {
set asflags([lindex $opt_val 0]) [lrange $opt_val 1 end]
set opt_val [lindex $opt_val 0]
} else {
set asflags($opt_val) {}
}
}
default {
if [string length $opts($opt_name)] {
perror "option $opt_name multiply set in $file.d"
unresolved $subdir/$name
return
}
# A single "# ld:" with no options should do the right thing.
if { $opt_name == "ld" } {
set run_ld 1
}
# Likewise objcopy_linked_file.
if { $opt_name == "objcopy_linked_file" } {
set run_objcopy 1
}
}
}
set opts($opt_name) [concat $opts($opt_name) $opt_val]
}
# Decide early whether we should run the test for this target.
if { [llength $opts(target)] > 0 } {
set targmatch 0
foreach targ $opts(target) {
if [istarget $targ] {
set targmatch 1
break
}
}
if { $targmatch == 0 } {
return
}
}
foreach targ $opts(notarget) {
if [istarget $targ] {
return
}
}
if {$opts(PROG) != ""} {
switch -- $opts(PROG) {
objdump
{ set program objdump }
nm
{ set program nm }
objcopy
{ set program objcopy }
readelf
{ set program readelf }
default
{ perror "unrecognized program option $opts(PROG) in $file.d"
unresolved $subdir/$name
return }
}
} elseif { $opts(error) != "" } {
# It's meaningless to require an output-testing method when we
# expect an error. For simplicity, we fake an arbitrary method.
set program "nm"
} else {
# Guess which program to run, by seeing which option was specified.
set program ""
foreach p {objdump objcopy nm readelf} {
if {$opts($p) != ""} {
if {$program != ""} {
perror "ambiguous dump program in $file.d"
unresolved $subdir/$name
return
} else {
set program $p
}
}
}
if {$program == ""} {
perror "dump program unspecified in $file.d"
unresolved $subdir/$name
return
}
}
set progopts1 $opts($program)
eval set progopts \$[string toupper $program]FLAGS
eval set binary \$[string toupper $program]
if { $opts(name) == "" } {
set testname "$subdir/$name"
} else {
set testname $opts(name)
}
if { $opts(source) == "" } {
set sourcefiles [list ${file}.s]
} else {
set sourcefiles {}
foreach sf $opts(source) {
lappend sourcefiles "$srcdir/$subdir/$sf"
# Must have asflags indexed on source name.
set asflags($srcdir/$subdir/$sf) $asflags($sf)
}
}
# Time to setup xfailures.
foreach targ $opts(xfail) {
setup_xfail $targ
}
# Assemble each file.
set objfiles {}
for { set i 0 } { $i < [llength $sourcefiles] } { incr i } {
set sourcefile [lindex $sourcefiles $i]
set objfile "tmpdir/dump$i.o"
lappend objfiles $objfile
set cmd "$AS $ASFLAGS $opts(as) $asflags($sourcefile) -o $objfile $sourcefile"
send_log "$cmd\n"
set cmdret [catch "exec $cmd" comp_output]
set comp_output [prune_warnings $comp_output]
# We accept errors at assembly stage too, unless we're supposed to
# link something.
if { $cmdret != 0 || ![string match "" $comp_output] } then {
send_log "$comp_output\n"
verbose "$comp_output" 3
if { $opts(error) != "" && $run_ld == 0 } {
if [regexp $opts(error) $comp_output] {
pass $testname
return
}
}
fail $testname
return
}
}
# Perhaps link the file(s).
if { $run_ld } {
set objfile "tmpdir/dump"
set cmd "$LD $LDFLAGS $opts(ld) -o $objfile $objfiles"
send_log "$cmd\n"
set cmdret [catch "exec $cmd" comp_output]
set comp_output [prune_warnings $comp_output]
if { $cmdret != 0 || ![string match "" $comp_output] } then {
verbose -log "failed with: <$comp_output>, expected: <$opts(error)>"
send_log "$comp_output\n"
verbose "$comp_output" 3
if { $opts(error) != "" && $run_objcopy == 0 } {
if [regexp $opts(error) $comp_output] {
pass $testname
return
}
}
fail $testname
return
}
if { $run_objcopy } {
set infile $objfile
set objfile "tmpdir/dump1"
# Note that we don't use OBJCOPYFLAGS here; any flags must be
# explicitly specified.
set cmd "$OBJCOPY $opts(objcopy_linked_file) $infile $objfile"
send_log "$cmd\n"
set cmdret [catch "exec $cmd" comp_output]
set comp_output [prune_warnings $comp_output]
if { $cmdret != 0 || ![string match "" $comp_output] } then {
verbose -log "failed with: <$comp_output>, expected: <$opts(error)>"
send_log "$comp_output\n"
verbose "$comp_output" 3
if { $opts(error) != "" } {
if [regexp $opts(error) $comp_output] {
pass $testname
return
}
}
fail $testname
return
}
}
} else {
set objfile "tmpdir/dump0.o"
}
# We must not have expected failure if we get here.
if { $opts(error) != "" } {
fail $testname
return
}
if { [which $binary] == 0 } {
untested $testname
return
}
if { $progopts1 == "" } { set $progopts1 "-r" }
verbose "running $binary $progopts $progopts1" 3
# Objcopy, unlike the other two, won't send its output to stdout,
# so we have to run it specially.
if { $program == "objcopy" } {
set cmd "$binary $progopts $progopts1 $objfile $dumpfile"
send_log "$cmd\n"
catch "exec $cmd" comp_output
set comp_output [prune_warnings $comp_output]
if ![string match "" $comp_output] then {
send_log "$comp_output\n"
fail $testname
return
}
} else {
set cmd "$binary $progopts $progopts1 $objfile > $dumpfile"
send_log "$cmd\n"
catch "exec $cmd" comp_output
set comp_output [prune_warnings $comp_output]
if ![string match "" $comp_output] then {
send_log "$comp_output\n"
fail $testname
return
}
}
verbose_eval {[file_contents $dumpfile]} 3
if { [regexp_diff $dumpfile "${file}.d"] } then {
fail $testname
verbose "output is [file_contents $dumpfile]" 2
return
}
pass $testname
}
proc slurp_options { file } {
if [catch { set f [open $file r] } x] {
#perror "couldn't open `$file': $x"
perror "$x"
return -1
}
set opt_array {}
# whitespace expression
set ws {[ ]*}
set nws {[^ ]*}
# whitespace is ignored anywhere except within the options list;
# option names are alphabetic plus underscore only.
set pat "^#${ws}(\[a-zA-Z_\]*)$ws:${ws}(.*)$ws\$"
while { [gets $f line] != -1 } {
set line [string trim $line]
# Whitespace here is space-tab.
if [regexp $pat $line xxx opt_name opt_val] {
# match!
lappend opt_array [list $opt_name $opt_val]
} else {
break
}
}
close $f
return $opt_array
}
# regexp_diff, copied from gas, based on simple_diff above.
# compares two files line-by-line
# file1 contains strings, file2 contains regexps and #-comments
# blank lines are ignored in either file
# returns non-zero if differences exist
#
proc regexp_diff { file_1 file_2 } {
set eof -1
set end_1 0
set end_2 0
set differences 0
set diff_pass 0
if [file exists $file_1] then {
set file_a [open $file_1 r]
} else {
warning "$file_1 doesn't exist"
return 1
}
if [file exists $file_2] then {
set file_b [open $file_2 r]
} else {
fail "$file_2 doesn't exist"
close $file_a
return 1
}
verbose " Regexp-diff'ing: $file_1 $file_2" 2
while { 1 } {
set line_a ""
set line_b ""
while { [string length $line_a] == 0 } {
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
while { [string length $line_b] == 0 || [string match "#*" $line_b] } {
if [ string match "#pass" $line_b ] {
set end_2 1
set diff_pass 1
break
} elseif [ string match "#..." $line_b ] {
if { [gets $file_b line_b] == $eof } {
set end_2 1
break
}
verbose "looking for \"^$line_b$\"" 3
while { ![regexp "^$line_b$" "$line_a"] } {
verbose "skipping \"$line_a\"" 3
if { [gets $file_a line_a] == $eof } {
set end_1 1
break
}
}
break
}
if { [gets $file_b line_b] == $eof } {
set end_2 1
break
}
}
if { $diff_pass } {
break
} elseif { $end_1 && $end_2 } {
break
} elseif { $end_1 } {
send_log "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1\n"
verbose "extra regexps in $file_2 starting with \"^$line_b$\"\nEOF from $file_1" 3
set differences 1
break
} elseif { $end_2 } {
send_log "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n"
verbose "extra lines in $file_1 starting with \"^$line_a$\"\nEOF from $file_2\n" 3
set differences 1
break
} else {
verbose "regexp \"^$line_b$\"\nline \"$line_a\"" 3
if ![regexp "^$line_b$" "$line_a"] {
send_log "regexp_diff match failure\n"
send_log "regexp \"^$line_b$\"\nline \"$line_a\"\n"
set differences 1
}
}
}
if { $differences == 0 && !$diff_pass && [eof $file_a] != [eof $file_b] } {
send_log "$file_1 and $file_2 are different lengths\n"
verbose "$file_1 and $file_2 are different lengths" 3
set differences 1
}
close $file_a
close $file_b
return $differences
}
proc file_contents { filename } {
set file [open $filename r]
set contents [read $file]
close $file
return $contents
}
proc verbose_eval { expr { level 1 } } {
global verbose
if $verbose>$level then { eval verbose "$expr" $level }
}
# This definition is taken from an unreleased version of DejaGnu. Once
# that version gets released, and has been out in the world for a few
# months at least, it may be safe to delete this copy.
if ![string length [info proc prune_warnings]] {
#
# prune_warnings -- delete various system verbosities from TEXT
#
# An example is:
# ld.so: warning: /usr/lib/libc.so.1.8.1 has older revision than expected 9
#
# Sites with particular verbose os's may wish to override this in site.exp.
#
proc prune_warnings { text } {
# This is from sun4's. Do it for all machines for now.
# The "\\1" is to try to preserve a "\n" but only if necessary.
regsub -all "(^|\n)(ld.so: warning:\[^\n\]*\n?)+" $text "\\1" text
# It might be tempting to get carried away and delete blank lines, etc.
# Just delete *exactly* what we're ask to, and that's it.
return $text
}
}
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