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# Copyright (C) 1992-2022 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
# <http://www.gnu.org/licenses/>.
# This file was written by Rob Savoye (rob@cygnus.com)
# Many modifications by Jeffrey Wheat (cassidy@cygnus.com)
# With modifications by Mike Stump <mrs@cygnus.com>.
#
# g++ support library routines
#
load_lib prune.exp
load_lib gcc-defs.exp
load_lib timeout.exp
load_lib target-libpath.exp
#
# GXX_UNDER_TEST is the compiler under test.
#
set gpp_compile_options ""
# Allow gpp_std_list to be set in configuration files, e.g., ~/.dejagnurc
if ![info exists gpp_std_list] {
set gpp_std_list { }
}
# Allow gpp_std_list to be set from the environment.
if [info exists env(GXX_TESTSUITE_STDS)] {
set gpp_std_list [split $env(GXX_TESTSUITE_STDS) ","]
}
#
# g++_version -- extract and print the version number of the compiler
#
proc g++_version { } {
global GXX_UNDER_TEST
g++_init
# ignore any arguments after the command
set compiler [lindex $GXX_UNDER_TEST 0]
# verify that the compiler exists
if { [is_remote host] || [which $compiler] != 0 } then {
set tmp [remote_exec host "$compiler -v"]
set status [lindex $tmp 0]
set output [lindex $tmp 1]
regexp " version \[^\n\r\]*" $output version
if { $status == 0 && [info exists version] } then {
if [is_remote host] {
clone_output "$compiler $version\n"
} else {
clone_output "[which $compiler] $version\n"
}
} else {
clone_output "Couldn't determine version of [which $compiler]\n"
}
} else {
# compiler does not exist (this should have already been detected)
warning "$compiler does not exist"
}
}
#
# g++_include_flags -- provide new version of g++_include_flags
# (originally from libgloss.exp) which knows about the gcc tree structure
#
proc g++_include_flags { paths } {
global srcdir
global HAVE_LIBSTDCXX_V3
global TESTING_IN_BUILD_TREE
set flags ""
if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
return "${flags}"
}
set gccpath ${paths}
set odir [lookfor_file ${gccpath} libstdc++-v3]
if { ${odir} != "" } {
append flags [exec sh ${odir}/scripts/testsuite_flags --build-includes]
}
return "$flags"
}
#
# g++_link_flags -- provide new version of g++_link_flags
# (originally from libgloss.exp) which knows about the gcc tree structure
#
proc g++_link_flags { paths } {
global srcdir
global ld_library_path
global GXX_UNDER_TEST
global shlib_ext
set gccpath ${paths}
set libio_dir ""
set flags ""
set ld_library_path "."
set shlib_ext [get_shlib_extension]
verbose "shared lib extension: $shlib_ext"
if { $gccpath != "" } {
if [file exists "${gccpath}/lib/libstdc++.a"] {
append ld_library_path ":${gccpath}/lib"
}
if [file exists "${gccpath}/libg++/libg++.a"] {
append flags "-L${gccpath}/libg++ "
append ld_library_path ":${gccpath}/libg++"
}
if [file exists "${gccpath}/libstdc++/libstdc++.a"] {
append flags "-L${gccpath}/libstdc++ "
append ld_library_path ":${gccpath}/libstdc++"
}
if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.a"] {
append flags " -L${gccpath}/libstdc++-v3/src/.libs "
# Some targets use libstdc++.a%s in their specs, so they need a
# -B option for uninstalled testing.
append flags " -B${gccpath}/libstdc++-v3/src/.libs "
append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
}
# Look for libstdc++.${shlib_ext}.
if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.${shlib_ext}"] {
append flags " -L${gccpath}/libstdc++-v3/src/.libs "
append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
}
if [file exists "${gccpath}/libiberty/libiberty.a"] {
append flags "-L${gccpath}/libiberty "
}
if [file exists "${gccpath}/librx/librx.a"] {
append flags "-L${gccpath}/librx "
}
if [file exists "${gccpath}/libitm/libitm.spec"] {
append flags "-B${gccpath}/libitm/ -L${gccpath}/libitm/.libs"
append ld_library_path ":${gccpath}/libitm/.libs"
}
append ld_library_path [gcc-set-multilib-library-path $GXX_UNDER_TEST]
} else {
global tool_root_dir
set libgpp [lookfor_file ${tool_root_dir} libg++]
if { $libgpp != "" } {
append flags "-L${libgpp} "
append ld_library_path ":${libgpp}"
}
set libstdcpp [lookfor_file ${tool_root_dir} libstdc++]
if { $libstdcpp != "" } {
append flags "-L${libstdcpp} "
append ld_library_path ":${libstdcpp}"
}
set libiberty [lookfor_file ${tool_root_dir} libiberty]
if { $libiberty != "" } {
append flags "-L${libiberty} "
}
set librx [lookfor_file ${tool_root_dir} librx]
if { $librx != "" } {
append flags "-L${librx} "
}
}
set_ld_library_path_env_vars
return "$flags"
}
#
# g++_init -- called at the start of each subdir of tests
#
proc g++_init { args } {
global subdir
global gpp_initialized
global base_dir
global tmpdir
global libdir
global gluefile wrap_flags
global objdir srcdir
global ALWAYS_CXXFLAGS
global CXXFLAGS
global TOOL_EXECUTABLE TOOL_OPTIONS
global GXX_UNDER_TEST
global TESTING_IN_BUILD_TREE
global gcc_warning_prefix
global gcc_error_prefix
global TEST_ALWAYS_FLAGS
# We set LC_ALL and LANG to C so that we get the same error messages as expected.
setenv LC_ALL C
setenv LANG C
# Many hosts now default to a non-ASCII C locale, however, so
# they can set a charset encoding here if they need.
if { [ishost "*-*-cygwin*"] } {
setenv LC_ALL C.ASCII
setenv LANG C.ASCII
}
if ![info exists GXX_UNDER_TEST] then {
if [info exists TOOL_EXECUTABLE] {
set GXX_UNDER_TEST $TOOL_EXECUTABLE
} else {
if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
set GXX_UNDER_TEST [transform c++]
} else {
set GXX_UNDER_TEST [findfile $base_dir/../../xg++ "$base_dir/../../xg++ -B$base_dir/../../" [findfile $base_dir/xg++ "$base_dir/xg++ -B$base_dir/" [transform c++]]]
}
}
}
# Bleah, nasty. Bad taste.
if [ishost "*-dos-*" ] {
regsub "c\\+\\+" "$GXX_UNDER_TEST" "gcc" GXX_UNDER_TEST
}
if ![is_remote host] {
if { [which $GXX_UNDER_TEST] == 0 } then {
perror "GXX_UNDER_TEST ($GXX_UNDER_TEST) does not exist"
exit 1
}
}
if ![info exists tmpdir] {
set tmpdir "/tmp"
}
if [info exists gluefile] {
unset gluefile
}
g++_maybe_build_wrapper "${tmpdir}/g++-testglue.o" "-fexceptions"
if {![info exists CXXFLAGS]} {
set CXXFLAGS ""
}
set ALWAYS_CXXFLAGS ""
# TEST_ALWAYS_FLAGS are flags that should be passed to every
# compilation command. They are passed first to allow individual
# tests to override them.
if [info exists TEST_ALWAYS_FLAGS] {
lappend ALWAYS_CXXFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
}
if ![is_remote host] {
if [info exists TOOL_OPTIONS] {
lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs ${TOOL_OPTIONS}] ]"
lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
} else {
lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs] ]"
lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs] ]"
}
}
if [info exists TOOL_OPTIONS] {
lappend ALWAYS_CXXFLAGS "additional_flags=$TOOL_OPTIONS"
}
# Make sure that lines are not wrapped. That can confuse the
# error-message parsing machinery.
lappend ALWAYS_CXXFLAGS "additional_flags=-fmessage-length=0"
set gcc_warning_prefix "warning:"
set gcc_error_prefix "(fatal )?error:"
if { [istarget *-*-darwin*] } {
lappend ALWAYS_CXXFLAGS "ldflags=-multiply_defined suppress"
}
verbose -log "ALWAYS_CXXFLAGS set to $ALWAYS_CXXFLAGS"
verbose "g++ is initialized" 3
}
#
# g++_target_compile -- compile a source file
#
proc g++_target_compile { source dest type options } {
global tmpdir
global gpp_compile_options
global gluefile wrap_flags
global ALWAYS_CXXFLAGS
global GXX_UNDER_TEST
global flags_to_postpone
global board_info
if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
lappend options "libs=${gluefile}"
lappend options "ldflags=${wrap_flags}"
}
global TEST_EXTRA_LIBS
if [info exists TEST_EXTRA_LIBS] {
lappend options "ldflags=$TEST_EXTRA_LIBS"
}
lappend options "additional_flags=[libio_include_flags]"
lappend options "compiler=$GXX_UNDER_TEST"
lappend options "timeout=[timeout_value]"
set options [concat $gpp_compile_options $options]
set options [concat "$ALWAYS_CXXFLAGS" $options]
# bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is
# appended here to multilib_flags as it can be overridden by the latter
# if it was added earlier. After the target_compile, multilib_flags is
# restored to its orignal content.
set tboard [target_info name]
if {[board_info $tboard exists multilib_flags]} {
set orig_multilib_flags "[board_info [target_info name] multilib_flags]"
append board_info($tboard,multilib_flags) " $flags_to_postpone"
}
set options [dg-additional-files-options $options $source]
set result [target_compile $source $dest $type $options]
if {[board_info $tboard exists multilib_flags]} {
set board_info($tboard,multilib_flags) $orig_multilib_flags
set flags_to_postpone ""
}
return $result
}
#
# ${tool}_option_help
#
# Changed "additional" to "extra" because runtest.exp treats --a* as --all.
#
# This shouldn't be necessary at all; it should be entirely redundant with
# --tool_opts, except that --tool_opts currently breaks multilib: see
# http://lists.gnu.org/archive/html/dejagnu/2002-10/msg00007.html
proc ${tool}_option_help { } {
send_user " --extra_opts,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
}
#
# ${tool}_option_proc
#
proc ${tool}_option_proc { option } {
if [regexp "^--extra_opts," $option] {
global gpp_compile_options
regsub "^--extra_opts," $option "" option
foreach x [split $option ","] {
lappend gpp_compile_options "additional_flags=$x"
}
verbose -log "gpp_compile_options set to $gpp_compile_options"
return 1
} elseif [regexp "^--stds=" $option] {
global gpp_std_list
regsub "^--stds=" $option "" option
foreach x [split $option ","] {
lappend gpp_std_list "$x"
}
verbose -log "gpp_std_list set to $gpp_std_list"
return 1
} else {
return 0
}
}