gcc/testsuite/lib/g++.exp

   1 # Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 2000, 2001, 2002, 2003,
   2 # 2004, 2005 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 2 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 this program; if not, write to the Free Software
  16 # Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  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 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${gccpath}/libstdc++-v3/src/.libs "
 127           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 128       }
 129       # Look for libstdc++.${shlib_ext}.
 130       if [file exists "${gccpath}/libstdc++-v3/src/.libs/libstdc++.${shlib_ext}"] {
 131           append flags " -L${gccpath}/libstdc++-v3/src/.libs "
 132           append ld_library_path ":${gccpath}/libstdc++-v3/src/.libs"
 133       }
 134
 135       if [file exists "${gccpath}/libiberty/libiberty.a"] {
 136           append flags "-L${gccpath}/libiberty "
 137       }
 138       if [file exists "${gccpath}/librx/librx.a"] {
 139           append flags "-L${gccpath}/librx "
 140       }
 141       append ld_library_path [gcc-set-multilib-library-path $GXX_UNDER_TEST]
 142     } else {
 143       global tool_root_dir
 144
 145       set libgpp [lookfor_file ${tool_root_dir} libg++]
 146       if { $libgpp != "" } {
 147           append flags "-L${libgpp} "
 148           append ld_library_path ":${libgpp}"
 149       }
 150       set libstdcpp [lookfor_file ${tool_root_dir} libstdc++]
 151       if { $libstdcpp != "" } {
 152           append flags "-L${libstdcpp} "
 153           append ld_library_path ":${libstdcpp}"
 154       }
 155       set libiberty [lookfor_file ${tool_root_dir} libiberty]
 156       if { $libiberty != "" } {
 157           append flags "-L${libiberty} "
 158       }
 159       set librx [lookfor_file ${tool_root_dir} librx]
 160       if { $librx != "" } {
 161           append flags "-L${librx} "
 162       }
 163     }
 164
 165     set_ld_library_path_env_vars
 166
 167     return "$flags"
 168 }
 169
 170 #
 171 # g++_init -- called at the start of each subdir of tests
 172 #
 173
 174 proc g++_init { args } {
 175     global subdir
 176     global gpp_initialized
 177     global base_dir
 178     global tmpdir
 179     global libdir
 180     global gluefile wrap_flags
 181     global objdir srcdir
 182     global ALWAYS_CXXFLAGS
 183     global CXXFLAGS
 184     global TOOL_EXECUTABLE TOOL_OPTIONS
 185     global GXX_UNDER_TEST
 186     global TESTING_IN_BUILD_TREE
 187     global target_triplet
 188
 189     # We set LC_ALL and LANG to C so that we get the same error messages as expected.
 190     setenv LC_ALL C
 191     setenv LANG C
 192
 193     if ![info exists GXX_UNDER_TEST] then {
 194         if [info exists TOOL_EXECUTABLE] {
 195             set GXX_UNDER_TEST $TOOL_EXECUTABLE
 196         } else {
 197             if { [is_remote host] || ! [info exists TESTING_IN_BUILD_TREE] } {
 198                 set GXX_UNDER_TEST [transform c++]
 199             } else {
 200                 set GXX_UNDER_TEST [findfile $base_dir/../../g++ "$base_dir/../../g++ -B$base_dir/../../" [findfile $base_dir/g++ "$base_dir/g++ -B$base_dir/" [transform c++]]]
 201             }
 202         }
 203     }
 204
 205     # Bleah, nasty. Bad taste.
 206     if [ishost "*-dos-*" ] {
 207         regsub "c\\+\\+" "$GXX_UNDER_TEST" "gcc" GXX_UNDER_TEST
 208     }
 209
 210     if ![is_remote host] {
 211         if { [which $GXX_UNDER_TEST] == 0 } then {
 212             perror "GXX_UNDER_TEST ($GXX_UNDER_TEST) does not exist"
 213             exit 1
 214         }
 215     }
 216     if ![info exists tmpdir] {
 217         set tmpdir "/tmp"
 218     }
 219
 220     if [info exists gluefile] {
 221         unset gluefile
 222     }
 223
 224     g++_maybe_build_wrapper "${tmpdir}/g++-testglue.o"
 225
 226     if {![info exists CXXFLAGS]} {
 227         set CXXFLAGS ""
 228     }
 229
 230     set ALWAYS_CXXFLAGS ""
 231
 232     if ![is_remote host] {
 233         if [info exists TOOL_OPTIONS] {
 234             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 235             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs ${TOOL_OPTIONS}] ]"
 236         } else {
 237             lappend ALWAYS_CXXFLAGS "additional_flags=[g++_include_flags [get_multilibs] ]"
 238             lappend ALWAYS_CXXFLAGS "ldflags=[g++_link_flags [get_multilibs] ]"
 239         }
 240     }
 241
 242     if [info exists TOOL_OPTIONS] {
 243         lappend ALWAYS_CXXFLAGS "additional_flags=$TOOL_OPTIONS"
 244     }
 245
 246     # Make sure that lines are not wrapped.  That can confuse the
 247     # error-message parsing machinery.
 248     lappend ALWAYS_CXXFLAGS "additional_flags=-fmessage-length=0"
 249
 250     if { [string match "*-*-darwin*" $target_triplet] } {
 251         lappend ALWAYS_CXXFLAGS "ldflags=-multiply_defined suppress"
 252        }
 253
 254     verbose -log "ALWAYS_CXXFLAGS set to $ALWAYS_CXXFLAGS"
 255
 256     verbose "g++ is initialized" 3
 257 }
 258
 259 #
 260 # g++_target_compile -- compile a source file
 261 #
 262
 263 proc g++_target_compile { source dest type options } {
 264     global tmpdir
 265     global gpp_compile_options
 266     global gluefile wrap_flags
 267     global ALWAYS_CXXFLAGS
 268     global GXX_UNDER_TEST
 269
 270     if { [target_info needs_status_wrapper] != "" && [info exists gluefile] } {
 271         lappend options "libs=${gluefile}"
 272         lappend options "ldflags=${wrap_flags}"
 273     }
 274
 275     lappend options "additional_flags=[libio_include_flags]"
 276     lappend options "compiler=$GXX_UNDER_TEST"
 277
 278     set options [concat $gpp_compile_options $options]
 279
 280     set options [concat "$ALWAYS_CXXFLAGS" $options]
 281
 282     if { [regexp "(^| )-frepo( |$)" $options] && \
 283          [regexp "\.o(|bj)$" $dest] } then {
 284         regsub "\.o(|bj)$" $dest ".rpo" rponame
 285         exec rm -f $rponame
 286     }
 287
 288     set options [dg-additional-files-options $options $source]
 289
 290     set result [target_compile $source $dest $type $options]
 291
 292     return $result
 293 }
 294
 295 #
 296 # ${tool}_option_help
 297 #
 298
 299 proc ${tool}_option_help { } {
 300     send_user " --additional_options,OPTIONS\t\tUse OPTIONS to compile the testcase files. OPTIONS should be comma-separated.\n"
 301 }
 302
 303 #
 304 # ${tool}_option_proc
 305 #
 306
 307 proc ${tool}_option_proc { option } {
 308     if [regexp "^--additional_options," $option] {
 309         global gpp_compile_options
 310         regsub "--additional_options," $option "" option
 311         foreach x [split $option ","] {
 312             lappend gpp_compile_options "additional_flags=$x"
 313         }
 314         return 1
 315     } else {
 316         return 0
 317     }
 318 }