gcc/testsuite/lib/g++.exp

   1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
   2 # 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
   3
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation; either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with GCC; see the file COPYING3.  If not see
  16 # <http://www.gnu.org/licenses/>.
  17
  18 # This file was written by Rob Savoye (rob@cygnus.com)
  19 # Many modifications by Jeffrey Wheat (cassidy@cygnus.com)
  20 # With modifications by Mike Stump <mrs@cygnus.com>.
  21
  22 #
  23 # g++ support library routines
  24 #
  25 load_lib prune.exp
  26 load_lib gcc-defs.exp
  27 load_lib timeout.exp
  28 load_lib target-libpath.exp
  29
  30 #
  31 # GXX_UNDER_TEST is the compiler under test.
  32 #
  33
  34
  35 set gpp_compile_options ""
  36
  37 #
  38 # g++_version -- extract and print the version number of the compiler
  39 #
  40
  41 proc g++_version { } {
  42     global GXX_UNDER_TEST
  43
  44     g++_init
  45
  46     # ignore any arguments after the command
  47     set compiler [lindex $GXX_UNDER_TEST 0]
  48
  49     # verify that the compiler exists
  50     if { [is_remote host] || [which $compiler] != 0 } then {
  51         set tmp [remote_exec host "$compiler -v"]
  52         set status [lindex $tmp 0]
  53         set output [lindex $tmp 1]
  54         regexp " version \[^\n\r\]*" $output version
  55         if { $status == 0 && [info exists version] } then {
  56             if [is_remote host] {
  57                 clone_output "$compiler $version\n"
  58             } else {
  59                 clone_output "[which $compiler] $version\n"
  60             }
  61         } else {
  62             clone_output "Couldn't determine version of [which $compiler]\n"
  63         }
  64     } else {
  65         # compiler does not exist (this should have already been detected)
  66         warning "$compiler does not exist"
  67     }
  68 }
  69
  70 #
  71 # g++_include_flags -- provide new version of g++_include_flags
  72 # (originally from libgloss.exp) which knows about the gcc tree structure
  73 #
  74 proc g++_include_flags { paths } {
  75     global srcdir
  76     global HAVE_LIBSTDCXX_V3
  77     global TESTING_IN_BUILD_TREE
  78
  79     set flags ""
  80
  81     if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
  82       return "${flags}"
  83     }
  84
  85     set gccpath ${paths}
  86
  87     set odir [lookfor_file ${gccpath} libstdc++-v3]
  88     if { ${odir} != "" } {
  89       append flags [exec sh ${odir}/scripts/testsuite_flags --build-includes]
  90     }
  91
  92     return "$flags"
  93 }
  94
  95 #
  96 # g++_link_flags -- provide new version of g++_link_flags
  97 # (originally from libgloss.exp) which knows about the gcc tree structure
  98 #
  99
 100 proc g++_link_flags { paths } {
 101     global srcdir
 102     global ld_library_path
 103     global GXX_UNDER_TEST
 104     global shlib_ext
 105
 106     set gccpath ${paths}
 107     set libio_dir ""
 108     set flags ""
 109     set ld_library_path "."
 110
 111     set shlib_ext [get_shlib_extension]
 112     verbose "shared lib extension: $shlib_ext"
 113
 114     if { $gccpath != "" } {
 115       if [file exists "${gccpath}/lib/libstdc++.a"] {
 116           append ld_library_path ":${gccpath}/lib"
 117       }
 118       if [file exists "${gccpath}/libg++/libg++.a"] {
 119           append flags "-L${gccpath}/libg++ "
 120           append ld_library_path ":${gccpath}/libg++"
 121       }
 122       if [file exists "${gccpath}/libstdc++/libstdc++.a"] {
 123           append flags "-L${gccpath}/libstdc++ "
 124           append ld_library_path ":${gccpath}/libstdc++"
 125       }
 126       if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.a"] {
 127           append flags " -L${gccpath}/libstdc++-v3/src/.libs "
 128           # Some targets use libstdc++.a%s in their specs, so they need a
 129           # -B option for uninstalled testing.
 130           append flags " -B${gccpath}/libstdc++-v3/src/.libs "
 131           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 132       }
 133       # Look for libstdc++.${shlib_ext}.
 134       if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.${shlib_ext}"] {
 135           append flags " -L${gccpath}/libstdc++-v3/src/.libs "
 136           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 137       }
 138
 139       if [file exists "${gccpath}/libiberty/libiberty.a"] {
 140           append flags "-L${gccpath}/libiberty "
 141       }
 142       if [file exists "${gccpath}/librx/librx.a"] {
 143           append flags "-L${gccpath}/librx "
 144       }
 145       append ld_library_path [gcc-set-multilib-library-path $GXX_UNDER_TEST]
 146     } else {
 147       global tool_root_dir
 148
 149       set libgpp [lookfor_file ${tool_root_dir} libg++]
 150       if { $libgpp != "" } {
 151           append flags "-L${libgpp} "
 152           append ld_library_path ":${libgpp}"
 153       }
 154       set libstdcpp [lookfor_file ${tool_root_dir} libstdc++]
 155       if { $libstdcpp != "" } {
 156           append flags "-L${libstdcpp} "
 157           append ld_library_path ":${libstdcpp}"
 158       }
 159       set libiberty [lookfor_file ${tool_root_dir} libiberty]
 160       if { $libiberty != "" } {
 161           append flags "-L${libiberty} "
 162       }
 163       set librx [lookfor_file ${tool_root_dir} librx]
 164       if { $librx != "" } {
 165           append flags "-L${librx} "
 166       }
 167     }
 168
 169     set_ld_library_path_env_vars
 170
 171     return "$flags"
 172 }
 173
 174 #
 175 # g++_init -- called at the start of each subdir of tests
 176 #
 177
 178 proc g++_init { args } {
 179     global subdir
 180     global gpp_initialized
 181     global base_dir
 182     global tmpdir
 183     global libdir
 184     global gluefile wrap_flags
 185     global objdir srcdir
 186     global ALWAYS_CXXFLAGS
 187     global CXXFLAGS
 188     global TOOL_EXECUTABLE TOOL_OPTIONS
 189     global GXX_UNDER_TEST
 190     global TESTING_IN_BUILD_TREE
 191     global target_triplet
 192     global gcc_warning_prefix
 193     global gcc_error_prefix
 194
 195     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
 196     setenv LC_ALL C
 197     setenv LANG C
 198
 199     # Many hosts now default to a non-ASCII C locale, however, so
 200     # they can set a charset encoding here if they need.
 201     if { [ishost "*-*-cygwin*"] } {
 202       setenv LC_ALL C.ASCII
 203       setenv LANG C.ASCII
 204     }
 205
 206     if ![info exists GXX_UNDER_TEST] then {
 207         if [info exists TOOL_EXECUTABLE] {
 208             set GXX_UNDER_TEST $TOOL_EXECUTABLE
 209         } else {
 210             if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
 211                 set GXX_UNDER_TEST [transform c++]
 212             } else {
 213                 set GXX_UNDER_TEST [findfile $base_dir/../../g++ "$base_dir/../../g++ -B$base_dir/../../" [findfile $base_dir/g++ "$base_dir/g++ -B$base_dir/" [transform c++]]]
 214             }
 215         }
 216     }
 217
 218     # Bleah, nasty. Bad taste.
 219     if [ishost "*-dos-*" ] {
 220         regsub "c\\+\\+" "$GXX_UNDER_TEST" "gcc" GXX_UNDER_TEST
 221     }
 222
 223     if ![is_remote host] {
 224         if { [which $GXX_UNDER_TEST] == 0 } then {
 225             perror "GXX_UNDER_TEST ($GXX_UNDER_TEST) does not exist"
 226             exit 1
 227         }
 228     }
 229     if ![info exists tmpdir] {
 230         set tmpdir "/tmp"
 231     }
 232
 233     if [info exists gluefile] {
 234         unset gluefile
 235     }
 236
 237     g++_maybe_build_wrapper "${tmpdir}/g++-testglue.o" "-fexceptions"
 238
 239     if {![info exists CXXFLAGS]} {
 240         set CXXFLAGS ""
 241     }
 242
 243     set ALWAYS_CXXFLAGS ""
 244
 245     if ![is_remote host] {
 246         if [info exists TOOL_OPTIONS] {
 247             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 248             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 249         } else {
 250             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs] ]"
 251             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs] ]"
 252         }
 253     }
 254
 255     if [info exists TOOL_OPTIONS] {
 256         lappend ALWAYS_CXXFLAGS "additional_flags=$TOOL_OPTIONS"
 257     }
 258
 259     # Make sure that lines are not wrapped.  That can confuse the
 260     # error-message parsing machinery.
 261     lappend ALWAYS_CXXFLAGS "additional_flags=-fmessage-length=0"
 262
 263     set gcc_warning_prefix "warning:"
 264     set gcc_error_prefix "error:"
 265
 266     if { [string match "*-*-darwin*" $target_triplet] } {
 267         lappend ALWAYS_CXXFLAGS "ldflags=-multiply_defined suppress"
 268        }
 269
 270     verbose -log "ALWAYS_CXXFLAGS set to $ALWAYS_CXXFLAGS"
 271
 272     verbose "g++ is initialized" 3
 273 }
 274
 275 #
 276 # g++_target_compile -- compile a source file
 277 #
 278
 279 proc g++_target_compile { source dest type options } {
 280     global tmpdir
 281     global gpp_compile_options
 282     global gluefile wrap_flags
 283     global ALWAYS_CXXFLAGS
 284     global GXX_UNDER_TEST
 285
 286     if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
 287         lappend options "libs=${gluefile}"
 288         lappend options "ldflags=${wrap_flags}"
 289     }
 290
 291     lappend options "additional_flags=[libio_include_flags]"
 292     lappend options "compiler=$GXX_UNDER_TEST"
 293     lappend options "timeout=[timeout_value]"
 294
 295     set options [concat $gpp_compile_options $options]
 296
 297     set options [concat "$ALWAYS_CXXFLAGS" $options]
 298
 299     if { [regexp "(^| )-frepo( |$)" $options] && \
 300          [regexp "\.o(|bj)$" $dest] } then {
 301         regsub "\.o(|bj)$" $dest ".rpo" rponame
 302         exec rm -f $rponame
 303     }
 304
 305     set options [dg-additional-files-options $options $source]
 306
 307     set result [target_compile $source $dest $type $options]
 308
 309     return $result
 310 }
 311
 312 #
 313 # ${tool}_option_help
 314 #
 315
 316 proc ${tool}_option_help { } {
 317     send_user " --additional_options,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
 318 }
 319
 320 #
 321 # ${tool}_option_proc
 322 #
 323
 324 proc ${tool}_option_proc { option } {
 325     if [regexp "^--additional_options," $option] {
 326         global gpp_compile_options
 327         regsub "--additional_options," $option "" option
 328         foreach x [split $option ","] {
 329             lappend gpp_compile_options "additional_flags=$x"
 330         }
 331         return 1
 332     } else {
 333         return 0
 334     }
 335 }