1# Copyright (C) 1992-2015 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# This file was written by Rob Savoye (rob@cygnus.com) 18# Many modifications by Jeffrey Wheat (cassidy@cygnus.com) 19# With modifications by Mike Stump <mrs@cygnus.com>. 20 21# 22# g++ support library routines 23# 24load_lib prune.exp 25load_lib gcc-defs.exp 26load_lib timeout.exp 27load_lib target-libpath.exp 28 29# 30# GXX_UNDER_TEST is the compiler under test. 31# 32 33 34set gpp_compile_options "" 35 36# 37# g++_version -- extract and print the version number of the compiler 38# 39 40proc g++_version { } { 41 global GXX_UNDER_TEST 42 43 g++_init 44 45 # ignore any arguments after the command 46 set compiler [lindex $GXX_UNDER_TEST 0] 47 48 # verify that the compiler exists 49 if { [is_remote host] || [which $compiler] != 0 } then { 50 set tmp [remote_exec host "$compiler -v"] 51 set status [lindex $tmp 0] 52 set output [lindex $tmp 1] 53 regexp " version \[^\n\r\]*" $output version 54 if { $status == 0 && [info exists version] } then { 55 if [is_remote host] { 56 clone_output "$compiler $version\n" 57 } else { 58 clone_output "[which $compiler] $version\n" 59 } 60 } else { 61 clone_output "Couldn't determine version of [which $compiler]\n" 62 } 63 } else { 64 # compiler does not exist (this should have already been detected) 65 warning "$compiler does not exist" 66 } 67} 68 69# 70# g++_include_flags -- provide new version of g++_include_flags 71# (originally from libgloss.exp) which knows about the gcc tree structure 72# 73proc g++_include_flags { paths } { 74 global srcdir 75 global HAVE_LIBSTDCXX_V3 76 global TESTING_IN_BUILD_TREE 77 78 set flags "" 79 80 if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } { 81 return "${flags}" 82 } 83 84 set gccpath ${paths} 85 86 set odir [lookfor_file ${gccpath} libstdc++-v3] 87 if { ${odir} != "" } { 88 append flags [exec sh ${odir}/scripts/testsuite_flags --build-includes] 89 } 90 91 return "$flags" 92} 93 94# 95# g++_link_flags -- provide new version of g++_link_flags 96# (originally from libgloss.exp) which knows about the gcc tree structure 97# 98 99proc g++_link_flags { paths } { 100 global srcdir 101 global ld_library_path 102 global GXX_UNDER_TEST 103 global shlib_ext 104 105 set gccpath ${paths} 106 set libio_dir "" 107 set flags "" 108 set ld_library_path "." 109 110 set shlib_ext [get_shlib_extension] 111 verbose "shared lib extension: $shlib_ext" 112 113 if { $gccpath != "" } { 114 if [file exists "${gccpath}/lib/libstdc++.a"] { 115 append ld_library_path ":${gccpath}/lib" 116 } 117 if [file exists "${gccpath}/libg++/libg++.a"] { 118 append flags "-L${gccpath}/libg++ " 119 append ld_library_path ":${gccpath}/libg++" 120 } 121 if [file exists "${gccpath}/libstdc++/libstdc++.a"] { 122 append flags "-L${gccpath}/libstdc++ " 123 append ld_library_path ":${gccpath}/libstdc++" 124 } 125 if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.a"] { 126 append flags " -L${gccpath}/libstdc++-v3/src/.libs " 127 # Some targets use libstdc++.a%s in their specs, so they need a 128 # -B option for uninstalled testing. 129 append flags " -B${gccpath}/libstdc++-v3/src/.libs " 130 append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs" 131 } 132 # Look for libstdc++.${shlib_ext}. 133 if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.${shlib_ext}"] { 134 append flags " -L${gccpath}/libstdc++-v3/src/.libs " 135 append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs" 136 } 137 138 if [file exists "${gccpath}/libiberty/libiberty.a"] { 139 append flags "-L${gccpath}/libiberty " 140 } 141 if [file exists "${gccpath}/librx/librx.a"] { 142 append flags "-L${gccpath}/librx " 143 } 144 append ld_library_path [gcc-set-multilib-library-path $GXX_UNDER_TEST] 145 } else { 146 global tool_root_dir 147 148 set libgpp [lookfor_file ${tool_root_dir} libg++] 149 if { $libgpp != "" } { 150 append flags "-L${libgpp} " 151 append ld_library_path ":${libgpp}" 152 } 153 set libstdcpp [lookfor_file ${tool_root_dir} libstdc++] 154 if { $libstdcpp != "" } { 155 append flags "-L${libstdcpp} " 156 append ld_library_path ":${libstdcpp}" 157 } 158 set libiberty [lookfor_file ${tool_root_dir} libiberty] 159 if { $libiberty != "" } { 160 append flags "-L${libiberty} " 161 } 162 set librx [lookfor_file ${tool_root_dir} librx] 163 if { $librx != "" } { 164 append flags "-L${librx} " 165 } 166 } 167 168 set_ld_library_path_env_vars 169 170 return "$flags" 171} 172 173# 174# g++_init -- called at the start of each subdir of tests 175# 176 177proc g++_init { args } { 178 global subdir 179 global gpp_initialized 180 global base_dir 181 global tmpdir 182 global libdir 183 global gluefile wrap_flags 184 global objdir srcdir 185 global ALWAYS_CXXFLAGS 186 global CXXFLAGS 187 global TOOL_EXECUTABLE TOOL_OPTIONS 188 global GXX_UNDER_TEST 189 global TESTING_IN_BUILD_TREE 190 global gcc_warning_prefix 191 global gcc_error_prefix 192 global TEST_ALWAYS_FLAGS 193 194 # We set LC_ALL and LANG to C so that we get the same error messages as expected. 195 setenv LC_ALL C 196 setenv LANG C 197 198 # Many hosts now default to a non-ASCII C locale, however, so 199 # they can set a charset encoding here if they need. 200 if { [ishost "*-*-cygwin*"] } { 201 setenv LC_ALL C.ASCII 202 setenv LANG C.ASCII 203 } 204 205 if ![info exists GXX_UNDER_TEST] then { 206 if [info exists TOOL_EXECUTABLE] { 207 set GXX_UNDER_TEST $TOOL_EXECUTABLE 208 } else { 209 if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } { 210 set GXX_UNDER_TEST [transform c++] 211 } else { 212 set GXX_UNDER_TEST [findfile $base_dir/../../xg++ "$base_dir/../../xg++ -B$base_dir/../../" [findfile $base_dir/xg++ "$base_dir/xg++ -B$base_dir/" [transform c++]]] 213 } 214 } 215 } 216 217 # Bleah, nasty. Bad taste. 218 if [ishost "*-dos-*" ] { 219 regsub "c\\+\\+" "$GXX_UNDER_TEST" "gcc" GXX_UNDER_TEST 220 } 221 222 if ![is_remote host] { 223 if { [which $GXX_UNDER_TEST] == 0 } then { 224 perror "GXX_UNDER_TEST ($GXX_UNDER_TEST) does not exist" 225 exit 1 226 } 227 } 228 if ![info exists tmpdir] { 229 set tmpdir "/tmp" 230 } 231 232 if [info exists gluefile] { 233 unset gluefile 234 } 235 236 g++_maybe_build_wrapper "${tmpdir}/g++-testglue.o" "-fexceptions" 237 238 if {![info exists CXXFLAGS]} { 239 set CXXFLAGS "" 240 } 241 242 set ALWAYS_CXXFLAGS "" 243 244 # TEST_ALWAYS_FLAGS are flags that should be passed to every 245 # compilation command. They are passed first to allow individual 246 # tests to override them. 247 if [info exists TEST_ALWAYS_FLAGS] { 248 lappend ALWAYS_CXXFLAGS "additional_flags=$TEST_ALWAYS_FLAGS" 249 } 250 251 if ![is_remote host] { 252 if [info exists TOOL_OPTIONS] { 253 lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs ${TOOL_OPTIONS}] ]" 254 lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs ${TOOL_OPTIONS}] ]" 255 } else { 256 lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs] ]" 257 lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs] ]" 258 } 259 } 260 261 if [info exists TOOL_OPTIONS] { 262 lappend ALWAYS_CXXFLAGS "additional_flags=$TOOL_OPTIONS" 263 } 264 265 # Make sure that lines are not wrapped. That can confuse the 266 # error-message parsing machinery. 267 lappend ALWAYS_CXXFLAGS "additional_flags=-fmessage-length=0" 268 269 set gcc_warning_prefix "warning:" 270 set gcc_error_prefix "(fatal )?error:" 271 272 if { [istarget *-*-darwin*] } { 273 lappend ALWAYS_CXXFLAGS "ldflags=-multiply_defined suppress" 274 } 275 276 verbose -log "ALWAYS_CXXFLAGS set to $ALWAYS_CXXFLAGS" 277 278 verbose "g++ is initialized" 3 279} 280 281# 282# g++_target_compile -- compile a source file 283# 284 285proc g++_target_compile { source dest type options } { 286 global tmpdir 287 global gpp_compile_options 288 global gluefile wrap_flags 289 global ALWAYS_CXXFLAGS 290 global GXX_UNDER_TEST 291 global flags_to_postpone 292 global board_info 293 294 if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } { 295 lappend options "libs=${gluefile}" 296 lappend options "ldflags=${wrap_flags}" 297 } 298 299 global TEST_EXTRA_LIBS 300 if [info exists TEST_EXTRA_LIBS] { 301 lappend options "ldflags=$TEST_EXTRA_LIBS" 302 } 303 304 lappend options "additional_flags=[libio_include_flags]" 305 lappend options "compiler=$GXX_UNDER_TEST" 306 lappend options "timeout=[timeout_value]" 307 308 set options [concat $gpp_compile_options $options] 309 310 set options [concat "$ALWAYS_CXXFLAGS" $options] 311 312 if { [regexp "(^| )-frepo( |$)" $options] && \ 313 [regexp "\.o(|bj)$" $dest] } then { 314 regsub "\.o(|bj)$" $dest ".rpo" rponame 315 exec rm -f $rponame 316 } 317 318 # bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is 319 # appended here to multilib_flags as it can be overridden by the latter 320 # if it was added earlier. After the target_compile, multilib_flags is 321 # restored to its orignal content. 322 set tboard [target_info name] 323 if {[board_info $tboard exists multilib_flags]} { 324 set orig_multilib_flags "[board_info [target_info name] multilib_flags]" 325 append board_info($tboard,multilib_flags) " $flags_to_postpone" 326 } 327 328 set options [dg-additional-files-options $options $source] 329 330 set result [target_compile $source $dest $type $options] 331 332 if {[board_info $tboard exists multilib_flags]} { 333 set board_info($tboard,multilib_flags) $orig_multilib_flags 334 set flags_to_postpone "" 335 } 336 337 return $result 338} 339 340# 341# ${tool}_option_help 342# 343# Changed "additional" to "extra" because runtest.exp treats --a* as --all. 344# 345# This shouldn't be necessary at all; it should be entirely redundant with 346# --tool_opts, except that --tool_opts currently breaks multilib: see 347# http://lists.gnu.org/archive/html/dejagnu/2002-10/msg00007.html 348 349proc ${tool}_option_help { } { 350 send_user " --extra_opts,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n" 351} 352 353# 354# ${tool}_option_proc 355# 356 357proc ${tool}_option_proc { option } { 358 if [regexp "^--extra_opts," $option] { 359 global gpp_compile_options 360 regsub "^--extra_opts," $option "" option 361 foreach x [split $option ","] { 362 lappend gpp_compile_options "additional_flags=$x" 363 } 364 verbose -log "gpp_compile_options set to $gpp_compile_options" 365 return 1 366 } else { 367 return 0 368 } 369} 370