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# libstdc++ "tool init file" for DejaGNU
# Copyright (C) 2001, 2002, 2003, 2004 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 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
# 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.
# Define callbacks and load other libraries. This file is loaded relatively
# early, and before any other file we write ourselves. "load_lib" will
# find anything in the DejaGNU installation tree, or in our lib directory.
# "load_gcc_lib" will search the core compiler's .exp collection instead.
# The naming rule is that dg.exp looks for "tool-" and runtest.exp looks
# for "tool_" when finding callbacks. Utility routines we define for
# our callbacks begin with "v3-".
# libstdc++_* callbacks we don't define, but could:
# ..._option_help prints additional --help output
# ..._option_proc (--foo) process our own options
# ..._exit cleanup routines (do we need any?)
# ..._init (normal.exp) called once per test file
# ..._finish bracketing function for libstdc++_init
# ...-dg-prune removing output text, see top of system dg.exp
# Useful hook: if ${hostname}_init exists, it will be called, almost
# the last thing before testing begins. This can be defined in, e.g.,
# ~/.dejagnurc or $DEJAGNU.
proc load_gcc_lib { filename } {
global srcdir
load_file $srcdir/../../gcc/testsuite/lib/$filename
# system routines
load_lib dg.exp
load_lib libgloss.exp
# compiler routines, then ours
load_gcc_lib target-supports.exp
load_lib prune.exp
load_lib dg-options.exp
# Useful for debugging. Pass the name of a variable and the verbosity
# threshold (number of -v's on the command line).
proc v3track { var n } {
upvar $var val
verbose "++ $var is $val" $n
# Called by v3-init below. "Static" to this file.
proc v3-copy-files {srcfiles} {
foreach f $srcfiles {
if { [catch { set symlink [file readlink $f] } x] } then {
remote_download target $f
} else {
if { [regexp "^/" "$symlink"] } then {
remote_download target $symlink
} else {
set dirname [file dirname $f]
remote_download target $dirname/$symlink
# Called once, during runtest.exp setup.
proc libstdc++_init { testfile } {
global env
global srcdir blddir objdir tool_root_dir
global cxx cxxflags
global includes
global gluefile wrap_flags
global original_ld_library_path
global target_triplet
set blddir [lookfor_file [get_multilibs] libstdc++-v3]
set flags_file "${blddir}/scripts/testsuite_flags"
v3track flags_file 2
# If a test doesn't have special options, use DEFAULT_CXXFLAGS.
# Use this variable if the behavior
# 1) only applies to libstdc++ testing
# 2) might need to be negated
# In particular, some tests have to be run without precompiled
# headers, or without assertions.
if ![info exists DEFAULT_CXXFLAGS] then {
# Set up includes for stdc++.h.gch, the precompiled header file.
if { [file exists $flags_file] } {
set cxxpchflags [exec sh $flags_file --cxxpchflags]
} else {
set cxxpchflags ""
set DEFAULT_CXXFLAGS " ${cxxpchflags}"
# Host specific goo here.
if { [string match "powerpc-*-darwin*" $target_triplet] } {
append DEFAULT_CXXFLAGS " -multiply_defined suppress"
# By default, we assume we want to run program images.
global dg-do-what-default
set dg-do-what-default run
# Copy any required data files.
v3-copy-files [glob -nocomplain "$srcdir/data/*.tst"]
v3-copy-files [glob -nocomplain "$srcdir/data/*.txt"]
# Setup LD_LIBRARY_PATH so that libgcc_s, libstdc++ binaries can be found.
# Find the existing LD_LIBRARY_PATH.
if [info exists env(LD_LIBRARY_PATH)] {
set original_ld_library_path $env(LD_LIBRARY_PATH)
# For HP-UX
} elseif [info exists env(SHLIB_PATH)] {
set original_ld_library_path $env(SHLIB_PATH)
# For Darwin:
} elseif [info exists env(DYLD_LIBRARY_PATH)] {
set original_ld_library_path $env(DYLD_LIBRARY_PATH)
# For Solaris 32 bit:
} elseif [info exists env(LD_LIBRARY_PATH_32)] {
set original_ld_library_path $env(LD_LIBRARY_PATH_32)
# For Solaris 64 bit:
} elseif [info exists env(LD_LIBRARY_PATH_64)] {
set original_ld_library_path $env(LD_LIBRARY_PATH_64)
} else {
set original_ld_library_path ""
# Locate libgcc.a so we don't need to account for different values of
# SHLIB_EXT on different platforms
set gccdir [lookfor_file $tool_root_dir gcc/libgcc.a]
if {$gccdir != ""} {
set gccdir [file dirname $gccdir]
v3track gccdir 3
# Compute what needs to be added to the existing LD_LIBRARY_PATH.
set ld_library_path ""
append ld_library_path ":${gccdir}"
set compiler ${gccdir}/g++
if { [is_remote host] == 0 && [which $compiler] != 0 } {
foreach i "[exec $compiler --print-multi-lib]" {
set mldir ""
regexp -- "\[a-z0-9=/\.-\]*;" $i mldir
set mldir [string trimright $mldir "\;@"]
if { "$mldir" == "." } {
if { [llength [glob -nocomplain ${gccdir}/${mldir}/libgcc_s*.so.*]] >= 1 } {
append ld_library_path ":${gccdir}/${mldir}"
append ld_library_path ":${blddir}/src/.libs"
# On IRIX 6, we have to set variables akin to LD_LIBRARY_PATH, but
# called LD_LIBRARYN32_PATH (for the N32 ABI) and LD_LIBRARY64_PATH
# (for the 64-bit ABI). The right way to do this would be to modify
# unix.exp -- but that's not an option since it's part of DejaGNU
# proper, so we do it here.
# The same applies to darwin (DYLD_LIBRARY_PATH), solaris 32 bit
# (LD_LIBRARY_PATH_32), solaris 64 bit (LD_LIBRARY_PATH_64), and HP-UX
setenv LD_LIBRARY_PATH "$ld_library_path:$original_ld_library_path"
setenv SHLIB_PATH "$ld_library_path:$original_ld_library_path"
setenv LD_LIBRARYN32_PATH "$ld_library_path:$original_ld_library_path"
setenv LD_LIBRARY64_PATH "$ld_library_path:$original_ld_library_path"
setenv LD_RUN_PATH "$ld_library_path:$original_ld_library_path"
setenv LD_LIBRARY_PATH_32 "$ld_library_path:$original_ld_library_path"
setenv LD_LIBRARY_PATH_64 "$ld_library_path:$original_ld_library_path"
setenv DYLD_LIBRARY_PATH "$ld_library_path:$original_ld_library_path"
verbose -log "LD_LIBRARY_PATH = $env(LD_LIBRARY_PATH)"
# Do a bunch of handstands and backflips for cross compiling and
# finding simulators...
if [is_remote host] {
set header [remote_download host ${blddir}/testsuite/testsuite_hooks.h]
if { $header == "" } {
verbose -log "Unable to download ${blddir}/testsuite/testsuite_hooks.h to host."
return "untested"
set cxx [transform "g++"]
set cxxflags "-ggdb3"
set includes "-I./"
} else {
# If we find a testsuite_flags file, we're testing in the build dir.
if { [file exists $flags_file] } {
set cxx [exec sh $flags_file --build-cxx]
set cxxflags [exec sh $flags_file --cxxflags]
set includes [exec sh $flags_file --build-includes]
} else {
set cxx [transform "g++"]
set cxxflags "-ggdb3"
set includes "-I${srcdir}"
if { [target_info needs_status_wrapper]!=""} {
file delete ${objdir}/testglue.o;
set gluefile ${objdir}/testglue.o;
set result [build_wrapper $gluefile];
if { $result != "" } {
set gluefile [lindex $result 0];
set wrap_flags [lindex $result 1];
} else {
unset gluefile
# Callback from system dg-test.
proc libstdc++-dg-test { prog do_what extra_tool_flags } {
# Set up the compiler flags, based on what we're going to do.
switch $do_what {
"preprocess" {
set compile_type "preprocess"
set output_file "[file rootname [file tail $prog]].i"
"compile" {
set compile_type "assembly"
set output_file "[file rootname [file tail $prog]].s"
"assemble" {
set compile_type "object"
set output_file "[file rootname [file tail $prog]].o"
"link" {
set compile_type "executable"
set output_file "./[file rootname [file tail $prog]].exe"
"run" {
set compile_type "executable"
# FIXME: "./" is to cope with "." not being in $PATH.
# Should this be handled elsewhere?
# YES.
set output_file "./[file rootname [file tail $prog]].exe"
# This is the only place where we care if an executable was
# created or not. If it was, dg.exp will try to run it.
remote_file build delete $output_file;
default {
perror "$do_what: not a valid dg-do keyword"
return ""
set options ""
if { $extra_tool_flags != "" } {
lappend options "additional_flags=$extra_tool_flags"
# There is a libstdc++_compile made for us by default (via the tool-
# and-target file), but the defaults are lacking in goodness.
set comp_output [v3_target_compile "$prog" "$output_file" "$compile_type" $options];
set comp_output [ prune_g++_output $comp_output ];
return [list $comp_output $output_file]
# Called from libstdc++-dg-test above. Calls back into system's
# target_compile to actually do the work.
proc v3_target_compile { source dest type options } {
global gluefile
global wrap_flags
global cxx
global cxxflags
global includes
global blddir
if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
lappend options "libs=${gluefile}"
lappend options "ldflags=${wrap_flags}"
set cxx_final $cxx
set cxxlibglossflags [libgloss_link_flags]
set cxx_final [concat $cxx_final $cxxlibglossflags]
set cxx_final [concat $cxx_final $cxxflags]
set cxx_final [concat $cxx_final $includes]
lappend options "compiler=$cxx_final"
# Picks up the freshly-built testsuite library corresponding to the
# multilib under test.
lappend options "ldflags=-L${blddir}/testsuite"
lappend options "libs=-lv3test"
return [target_compile $source $dest $type $options]
# Called once, from libstdc++/normal.exp.
proc v3-list-tests { filename } {
global srcdir
global blddir
set tests_file "${blddir}/testsuite/${filename}"
set sfiles ""
verbose -log "In v3-list-tests"
verbose -log "blddir = ${blddir}"
verbose -log "tests_file = $tests_file"
# If there is a testsuite_file, use it.
if { [file exists $tests_file] } {
set f [open $tests_file]
while { ! [eof $f] } {
set t [gets $f]
if { [string length "$t"] != 0 } {
lappend sfiles ${srcdir}/${t}
close $f
} else {
verbose "cannot open $tests_file"
return $sfiles