gcc/testsuite/lib/g++.exp

   1 # Copyright (C) 1992-2019 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 #
  24 load_lib prune.exp
  25 load_lib gcc-defs.exp
  26 load_lib timeout.exp
  27 load_lib target-libpath.exp
  28
  29 #
  30 # GXX_UNDER_TEST is the compiler under test.
  31 #
  32
  33
  34 set gpp_compile_options ""
  35 set gpp_std_list { }
  36 if [info exists env(GXX_TESTSUITE_STDS)] {
  37     set gpp_std_list [split $env(GXX_TESTSUITE_STDS) ","]
  38 }
  39
  40 #
  41 # g++_version -- extract and print the version number of the compiler
  42 #
  43
  44 proc g++_version { } {
  45     global GXX_UNDER_TEST
  46
  47     g++_init
  48
  49     # ignore any arguments after the command
  50     set compiler [lindex $GXX_UNDER_TEST 0]
  51
  52     # verify that the compiler exists
  53     if { [is_remote host] || [which $compiler] != 0 } then {
  54         set tmp [remote_exec host "$compiler -v"]
  55         set status [lindex $tmp 0]
  56         set output [lindex $tmp 1]
  57         regexp " version \[^\n\r\]*" $output version
  58         if { $status == 0 && [info exists version] } then {
  59             if [is_remote host] {
  60                 clone_output "$compiler $version\n"
  61             } else {
  62                 clone_output "[which $compiler] $version\n"
  63             }
  64         } else {
  65             clone_output "Couldn't determine version of [which $compiler]\n"
  66         }
  67     } else {
  68         # compiler does not exist (this should have already been detected)
  69         warning "$compiler does not exist"
  70     }
  71 }
  72
  73 #
  74 # g++_include_flags -- provide new version of g++_include_flags
  75 # (originally from libgloss.exp) which knows about the gcc tree structure
  76 #
  77 proc g++_include_flags { paths } {
  78     global srcdir
  79     global HAVE_LIBSTDCXX_V3
  80     global TESTING_IN_BUILD_TREE
  81
  82     set flags ""
  83
  84     if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
  85       return "${flags}"
  86     }
  87
  88     set gccpath ${paths}
  89
  90     set odir [lookfor_file ${gccpath} libstdc++-v3]
  91     if { ${odir} != "" } {
  92       append flags [exec sh ${odir}/scripts/testsuite_flags --build-includes]
  93     }
  94
  95     return "$flags"
  96 }
  97
  98 #
  99 # g++_link_flags -- provide new version of g++_link_flags
 100 # (originally from libgloss.exp) which knows about the gcc tree structure
 101 #
 102
 103 proc g++_link_flags { paths } {
 104     global srcdir
 105     global ld_library_path
 106     global GXX_UNDER_TEST
 107     global shlib_ext
 108
 109     set gccpath ${paths}
 110     set libio_dir ""
 111     set flags ""
 112     set ld_library_path "."
 113
 114     set shlib_ext [get_shlib_extension]
 115     verbose "shared lib extension: $shlib_ext"
 116
 117     if { $gccpath != "" } {
 118       if [file exists "${gccpath}/lib/libstdc++.a"] {
 119           append ld_library_path ":${gccpath}/lib"
 120       }
 121       if [file exists "${gccpath}/libg++/libg++.a"] {
 122           append flags "-L${gccpath}/libg++ "
 123           append ld_library_path ":${gccpath}/libg++"
 124       }
 125       if [file exists "${gccpath}/libstdc++/libstdc++.a"] {
 126           append flags "-L${gccpath}/libstdc++ "
 127           append ld_library_path ":${gccpath}/libstdc++"
 128       }
 129       if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.a"] {
 130           append flags " -L${gccpath}/libstdc++-v3/src/.libs "
 131           # Some targets use libstdc++.a%s in their specs, so they need a
 132           # -B option for uninstalled testing.
 133           append flags " -B${gccpath}/libstdc++-v3/src/.libs "
 134           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 135       }
 136       # Look for libstdc++.${shlib_ext}.
 137       if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.${shlib_ext}"] {
 138           append flags " -L${gccpath}/libstdc++-v3/src/.libs "
 139           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 140       }
 141
 142       if [file exists "${gccpath}/libiberty/libiberty.a"] {
 143           append flags "-L${gccpath}/libiberty "
 144       }
 145       if [file exists "${gccpath}/librx/librx.a"] {
 146           append flags "-L${gccpath}/librx "
 147       }
 148       if [file exists "${gccpath}/libitm/libitm.spec"] {
 149           append flags "-B${gccpath}/libitm/ -L${gccpath}/libitm/.libs"
 150           append ld_library_path ":${gccpath}/libitm/.libs"
 151       }
 152       append ld_library_path [gcc-set-multilib-library-path $GXX_UNDER_TEST]
 153     } else {
 154       global tool_root_dir
 155
 156       set libgpp [lookfor_file ${tool_root_dir} libg++]
 157       if { $libgpp != "" } {
 158           append flags "-L${libgpp} "
 159           append ld_library_path ":${libgpp}"
 160       }
 161       set libstdcpp [lookfor_file ${tool_root_dir} libstdc++]
 162       if { $libstdcpp != "" } {
 163           append flags "-L${libstdcpp} "
 164           append ld_library_path ":${libstdcpp}"
 165       }
 166       set libiberty [lookfor_file ${tool_root_dir} libiberty]
 167       if { $libiberty != "" } {
 168           append flags "-L${libiberty} "
 169       }
 170       set librx [lookfor_file ${tool_root_dir} librx]
 171       if { $librx != "" } {
 172           append flags "-L${librx} "
 173       }
 174     }
 175
 176     set_ld_library_path_env_vars
 177
 178     return "$flags"
 179 }
 180
 181 #
 182 # g++_init -- called at the start of each subdir of tests
 183 #
 184
 185 proc g++_init { args } {
 186     global subdir
 187     global gpp_initialized
 188     global base_dir
 189     global tmpdir
 190     global libdir
 191     global gluefile wrap_flags
 192     global objdir srcdir
 193     global ALWAYS_CXXFLAGS
 194     global CXXFLAGS
 195     global TOOL_EXECUTABLE TOOL_OPTIONS
 196     global GXX_UNDER_TEST
 197     global TESTING_IN_BUILD_TREE
 198     global gcc_warning_prefix
 199     global gcc_error_prefix
 200     global TEST_ALWAYS_FLAGS
 201
 202     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
 203     setenv LC_ALL C
 204     setenv LANG C
 205
 206     # Many hosts now default to a non-ASCII C locale, however, so
 207     # they can set a charset encoding here if they need.
 208     if { [ishost "*-*-cygwin*"] } {
 209       setenv LC_ALL C.ASCII
 210       setenv LANG C.ASCII
 211     }
 212
 213     if ![info exists GXX_UNDER_TEST] then {
 214         if [info exists TOOL_EXECUTABLE] {
 215             set GXX_UNDER_TEST $TOOL_EXECUTABLE
 216         } else {
 217             if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
 218                 set GXX_UNDER_TEST [transform c++]
 219             } else {
 220                 set GXX_UNDER_TEST [findfile $base_dir/../../xg++ "$base_dir/../../xg++ -B$base_dir/../../" [findfile $base_dir/xg++ "$base_dir/xg++ -B$base_dir/" [transform c++]]]
 221             }
 222         }
 223     }
 224
 225     # Bleah, nasty. Bad taste.
 226     if [ishost "*-dos-*" ] {
 227         regsub "c\\+\\+" "$GXX_UNDER_TEST" "gcc" GXX_UNDER_TEST
 228     }
 229
 230     if ![is_remote host] {
 231         if { [which $GXX_UNDER_TEST] == 0 } then {
 232             perror "GXX_UNDER_TEST ($GXX_UNDER_TEST) does not exist"
 233             exit 1
 234         }
 235     }
 236     if ![info exists tmpdir] {
 237         set tmpdir "/tmp"
 238     }
 239
 240     if [info exists gluefile] {
 241         unset gluefile
 242     }
 243
 244     g++_maybe_build_wrapper "${tmpdir}/g++-testglue.o" "-fexceptions"
 245
 246     if {![info exists CXXFLAGS]} {
 247         set CXXFLAGS ""
 248     }
 249
 250     set ALWAYS_CXXFLAGS ""
 251
 252     # TEST_ALWAYS_FLAGS are flags that should be passed to every
 253     # compilation command.  They are passed first to allow individual
 254     # tests to override them.
 255     if [info exists TEST_ALWAYS_FLAGS] {
 256         lappend ALWAYS_CXXFLAGS "additional_flags=$TEST_ALWAYS_FLAGS"
 257     }
 258
 259     if ![is_remote host] {
 260         if [info exists TOOL_OPTIONS] {
 261             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 262             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 263         } else {
 264             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs] ]"
 265             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs] ]"
 266         }
 267     }
 268
 269     if [info exists TOOL_OPTIONS] {
 270         lappend ALWAYS_CXXFLAGS "additional_flags=$TOOL_OPTIONS"
 271     }
 272
 273     # Make sure that lines are not wrapped.  That can confuse the
 274     # error-message parsing machinery.
 275     lappend ALWAYS_CXXFLAGS "additional_flags=-fmessage-length=0"
 276
 277     set gcc_warning_prefix "warning:"
 278     set gcc_error_prefix "(fatal )?error:"
 279
 280     if { [istarget *-*-darwin*] } {
 281         lappend ALWAYS_CXXFLAGS "ldflags=-multiply_defined suppress"
 282        }
 283
 284     verbose -log "ALWAYS_CXXFLAGS set to $ALWAYS_CXXFLAGS"
 285
 286     verbose "g++ is initialized" 3
 287 }
 288
 289 #
 290 # g++_target_compile -- compile a source file
 291 #
 292
 293 proc g++_target_compile { source dest type options } {
 294     global tmpdir
 295     global gpp_compile_options
 296     global gluefile wrap_flags
 297     global ALWAYS_CXXFLAGS
 298     global GXX_UNDER_TEST
 299     global flags_to_postpone
 300     global board_info
 301
 302     if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
 303         lappend options "libs=${gluefile}"
 304         lappend options "ldflags=${wrap_flags}"
 305     }
 306
 307     global TEST_EXTRA_LIBS
 308     if [info exists TEST_EXTRA_LIBS] {
 309         lappend options "ldflags=$TEST_EXTRA_LIBS"
 310     }
 311
 312     lappend options "additional_flags=[libio_include_flags]"
 313     lappend options "compiler=$GXX_UNDER_TEST"
 314     lappend options "timeout=[timeout_value]"
 315
 316     set options [concat $gpp_compile_options $options]
 317
 318     set options [concat "$ALWAYS_CXXFLAGS" $options]
 319
 320     if { [regexp "(^| )-frepo( |$)" $options] && \
 321          [regexp "\.o(|bj)$" $dest] } then {
 322         regsub "\.o(|bj)$" $dest ".rpo" rponame
 323         exec rm -f $rponame
 324     }
 325
 326     # bind_pic_locally adds -fpie/-fPIE flags to flags_to_postpone and it is
 327     # appended here to multilib_flags as it can be overridden by the latter
 328     # if it was added earlier. After the target_compile, multilib_flags is
 329     # restored to its orignal content.
 330     set tboard [target_info name]
 331     if {[board_info $tboard exists multilib_flags]} {
 332         set orig_multilib_flags "[board_info [target_info name] multilib_flags]"
 333         append board_info($tboard,multilib_flags) " $flags_to_postpone"
 334     }
 335
 336     set options [dg-additional-files-options $options $source]
 337
 338     set result [target_compile $source $dest $type $options]
 339
 340     if {[board_info $tboard exists multilib_flags]} {
 341         set board_info($tboard,multilib_flags) $orig_multilib_flags
 342         set flags_to_postpone ""
 343     }
 344
 345     return $result
 346 }
 347
 348 #
 349 # ${tool}_option_help
 350 #
 351 # Changed "additional" to "extra" because runtest.exp treats --a* as --all.
 352 #
 353 # This shouldn't be necessary at all; it should be entirely redundant with
 354 # --tool_opts, except that --tool_opts currently breaks multilib: see
 355 # http://lists.gnu.org/archive/html/dejagnu/2002-10/msg00007.html
 356
 357 proc ${tool}_option_help { } {
 358     send_user " --extra_opts,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
 359 }
 360
 361 #
 362 # ${tool}_option_proc
 363 #
 364
 365 proc ${tool}_option_proc { option } {
 366     if [regexp "^--extra_opts," $option] {
 367         global gpp_compile_options
 368         regsub "^--extra_opts," $option "" option
 369         foreach x [split $option ","] {
 370             lappend gpp_compile_options "additional_flags=$x"
 371         }
 372         verbose -log "gpp_compile_options set to $gpp_compile_options"
 373         return 1
 374     } elseif [regexp "^--stds=" $option] {
 375         global gpp_std_list
 376         regsub "^--stds=" $option "" option
 377         foreach x [split $option ","] {
 378             lappend gpp_std_list "$x"
 379         }
 380         verbose -log "gpp_std_list set to $gpp_std_list"
 381         return 1
 382     } else {
 383         return 0
 384     }
 385 }