gcc/testsuite/lib/g++.exp

   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 #
  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
  36 #
  37 # g++_version -- extract and print the version number of the compiler
  38 #
  39
  40 proc 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 #
  73 proc 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
  99 proc 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
 177 proc 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 $ALWAYS_CXXFLAGS"
 277
 278     verbose "g++ is initialized" 3
 279 }
 280
 281 #
 282 # g++_target_compile -- compile a source file
 283 #
 284
 285 proc g++_target_compile { source dest type options } {
 286     global tmpdir
 287     global gpp_compile_options
 288     global gluefile wrap_flags
 289     global ALWAYS_CXXFLAGS
 290     global GXX_UNDER_TEST
 291     global flags_to_postpone
 292     global board_info
 293
 294     if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
 295         lappend options "libs=${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
 349 proc ${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
 357 proc ${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 }