1#### This script is meant to be sourced by ltconfig. 2 3# ltcf-cxx.sh - Create a C++ compiler specific configuration 4# 5# Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc. 6# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 7# 8# Original C++ support by:Gary V. Vaughan <gvv@techie.com> 9# Alexandre Oliva <oliva@lsd.ic.unicamp.br> 10# Ossama Othman <ossama@debian.org> 11# Thomas Thanner <tanner@gmx.de> 12# 13# This file is free software; you can redistribute it and/or modify it 14# under the terms of the GNU General Public License as published by 15# the Free Software Foundation; either version 2 of the License, or 16# (at your option) any later version. 17# 18# This program is distributed in the hope that it will be useful, but 19# WITHOUT ANY WARRANTY; without even the implied warranty of 20# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 21# General Public License for more details. 22# 23# You should have received a copy of the GNU General Public License 24# along with this program; if not, write to the Free Software 25# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 26# 27# As a special exception to the GNU General Public License, if you 28# distribute this file as part of a program that contains a 29# configuration script generated by Autoconf, you may include it under 30# the same distribution terms that you use for the rest of that program. 31 32 33# Source file extension for C++ test sources. 34ac_ext=cc 35 36# Object file extension for compiled C++ test sources. 37objext=o 38 39# Code to be used in simple compile tests 40lt_simple_compile_test_code="int some_variable = 0;" 41 42# Code to be used in simple link tests 43lt_simple_link_test_code='int main(int, char *[]) { return (0); }' 44 45# C++ compiler 46CXX=${CXX-c++} 47 48# ltmain only uses $CC for tagged configurations so make sure $CC is set. 49CC=${CC-"$CXX"} 50CFLAGS=${CFLAGS-"$CXXFLAGS"} 51 52# Allow CC to be a program name with arguments. 53set dummy $CC 54compiler=$2 55cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'` 56 57# Check if we are using GNU gcc (taken/adapted from configure script) 58# We need to check here since "--with-gcc" is set at configure time, 59# not ltconfig time! 60cat > conftest.$ac_ext <<EOF 61#ifdef __GNUC__ 62 yes; 63#endif 64EOF 65if { ac_try='${CC-c++} -E conftest.$ac_ext'; { (eval echo \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then 66 with_gcc=yes 67 68 # Set up default GNU C++ configuration 69 70 # Check if GNU C++ uses GNU ld as the underlying linker, since the 71 # archiving commands below assume that GNU ld is being used. The 72 # assumption here is that the linker is going to be the same as that 73 # used by the C compiler. For the purposes of GCC, this is ok, but 74 # if someone uses g++ along with a non-GNU C compiler that doesn't 75 # use GNU ld, we may lose. This is ok for the toolchain tree, since 76 # the only users of ltcf-cxx.sh are libstdc++-v3 and libjava, 77 # anyway, and those use both gcc and g++, so the settings are bound 78 # to be the same. 79 80 if test "$with_gnu_ld" = yes; then 81 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' 82 archive_expsym_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 83 84 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 85 export_dynamic_flag_spec='${wl}--export-dynamic' 86 87 # If archive_cmds runs LD, not CC, wlarc should be empty 88 # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to 89 # investigate it a little bit more. (MM) 90 wlarc='${wl}' 91 92 # ancient GNU ld didn't support --whole-archive et. al. 93 if eval "`$CC -print-prog-name=ld` --help 2>&1" | \ 94 egrep 'no-whole-archive' > /dev/null; then 95 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 96 else 97 whole_archive_flag_spec= 98 fi 99 else 100 wlarc= 101 102 # A generic and very simple default shared library creation 103 # command for GNU C++ for the case where it uses the native 104 # linker, instead of GNU ld. If possible, this setting should 105 # overridden to take advantage of the native linker features on 106 # the platform it is being used on. 107 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' 108 fi 109 110 # Commands to make compiler produce verbose output that lists 111 # what "hidden" libraries, object files and flags are used when 112 # linking a shared library. 113 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 114 115else 116 with_gcc=no 117 wlarc= 118fi 119 120# PORTME: fill in a description of your system's C++ link characteristics 121case $host_os in 122 aix3*) 123 # FIXME: insert proper C++ library support 124 ld_shlibs=no 125 ;; 126 aix4* | aix5*) 127 archive_cmds='' 128 hardcode_direct=yes 129 hardcode_libdir_separator=':' 130 link_all_deplibs=yes 131 # When large executables or shared objects are built, AIX ld can 132 # have problems creating the table of contents. If linking a library 133 # or program results in "error TOC overflow" add -mminimal-toc to 134 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 135 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 136 if test "$with_gcc" = yes; then 137 case $host_os in aix4.[012]|aix4.[012].*) 138 # We only want to do this on AIX 4.2 and lower, the check 139 # below for broken collect2 doesn't work under 4.3+ 140 collect2name=`${CC} -print-prog-name=collect2` 141 if test -f "$collect2name" && \ 142 strings "$collect2name" | grep resolve_lib_name >/dev/null 143 then 144 # We have reworked collect2 145 hardcode_direct=yes 146 else 147 # We have old collect2 148 hardcode_direct=unsupported 149 # It fails to find uninstalled libraries when the uninstalled 150 # path is not listed in the libpath. Setting hardcode_minus_L 151 # to unsupported forces relinking 152 hardcode_minus_L=yes 153 hardcode_libdir_flag_spec='-L$libdir' 154 hardcode_libdir_separator= 155 fi 156 esac 157 shared_flag='-shared' 158 else 159 # not using gcc 160 if test "$host_cpu" = ia64; then 161 shared_flag='${wl}-G' 162 else 163 shared_flag='${wl}-bM:SRE' 164 fi 165 fi 166 167 if test "$host_cpu" = ia64; then 168 # On IA64, the linker does run time linking by default, so we don't 169 # have to do anything special. 170 aix_use_runtimelinking=no 171 if test $with_gnu_ld = no; then 172 exp_sym_flag='-Bexport' 173 no_entry_flag="" 174 fi 175 else 176 # Test if we are trying to use run time linking, or normal AIX style linking. 177 # If -brtl is somewhere in LDFLAGS, we need to do run time linking. 178 aix_use_runtimelinking=no 179 for ld_flag in $LDFLAGS; do 180 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then 181 aix_use_runtimelinking=yes 182 break 183 fi 184 done 185 exp_sym_flag='-bexport' 186 no_entry_flag='-bnoentry' 187 fi 188 # It seems that -bexpall does not export symbols beginning with 189 # underscore (_), so it is better to generate a list of symbols to export. 190 always_export_symbols=yes 191 if test "$aix_use_runtimelinking" = yes; then 192 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 193 allow_undefined_flag=' -Wl,-G' 194 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols" 195 else 196 if test "$host_cpu" = ia64; then 197 if test $with_gnu_ld = no; then 198 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 199 allow_undefined_flag="-z nodefs" 200 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 201 fi 202 else 203 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 204 # Warning - without using the other run time loading flags, -berok will 205 # link without error, but may produce a broken library. 206 no_undefined_flag=' ${wl}-bnoerok' 207 allow_undefined_flag=' ${wl}-berok' 208 # -bexpall does not export symbols beginning with underscore (_) 209 always_export_symbols=yes 210 # Exported symbols can be pulled into shared objects from archives 211 whole_archive_flag_spec=' ' 212 build_libtool_need_lc=yes 213 # This is similar to how AIX traditionally builds it's shared libraries. 214 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' 215 fi 216 fi 217 ;; 218 chorus*) 219 case $cc_basename in 220 *) 221 # FIXME: insert proper C++ library support 222 ld_shlibs=no 223 ;; 224 esac 225 ;; 226 dgux*) 227 case $cc_basename in 228 ec++) 229 # FIXME: insert proper C++ library support 230 ld_shlibs=no 231 ;; 232 ghcx) 233 # Green Hills C++ Compiler 234 # FIXME: insert proper C++ library support 235 ld_shlibs=no 236 ;; 237 *) 238 # FIXME: insert proper C++ library support 239 ld_shlibs=no 240 ;; 241 esac 242 ;; 243 freebsd[12]*) 244 # C++ shared libraries reported to be fairly broken before switch to ELF 245 ld_shlibs=no 246 ;; 247 freebsd* | kfreebsd*-gnu) 248 # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF 249 # conventions 250 ld_shlibs=yes 251 ;; 252 gnu*) 253 ;; 254 hpux*) 255 if test $with_gnu_ld = no; then 256 case "$host_cpu" in 257 ia64*) 258 hardcode_libdir_flag_spec='-L$libdir' 259 hardcode_shlibpath_var=no ;; 260 *) 261 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' ;; 262 esac 263 hardcode_direct=yes 264 hardcode_libdir_separator=: 265 export_dynamic_flag_spec='${wl}-E' 266 fi 267 hardcode_minus_L=yes # Not in the search PATH, but as the default 268 # location of the library. 269 270 case $cc_basename in 271 CC) 272 # FIXME: insert proper C++ library support 273 ld_shlibs=no 274 ;; 275 aCC) 276 case $host_os in 277 hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 278 *) archive_cmds='$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; 279 esac 280 # Commands to make compiler produce verbose output that lists 281 # what "hidden" libraries, object files and flags are used when 282 # linking a shared library. 283 # 284 # There doesn't appear to be a way to prevent this compiler from 285 # explicitly linking system object files so we need to strip them 286 # from the output so that they don't get included in the library 287 # dependencies. 288 output_verbose_link_cmd='templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 289 ;; 290 *) 291 if test $with_gcc = yes; then 292 if test $with_gnu_ld = no; then 293 case "$host_os" in 294 hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 295 *) 296 case "$host_cpu" in 297 ia64*) 298 archive_cmds='$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags' ;; 299 *) 300 archive_cmds='$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' ;; 301 esac 302 ;; 303 esac 304 fi 305 else 306 # FIXME: insert proper C++ library support 307 ld_shlibs=no 308 fi 309 ;; 310 esac 311 ;; 312 irix5* | irix6*) 313 case $cc_basename in 314 CC) 315 # SGI C++ 316 archive_cmds='$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 317 318 # Archives containing C++ object files must be created using 319 # "CC -ar", where "CC" is the IRIX C++ compiler. This is 320 # necessary to make sure instantiated templates are included 321 # in the archive. 322 old_archive_cmds='$CC -ar -WR,-u -o $oldlib $oldobjs' 323 ;; 324 *) 325 if test "$with_gcc" = yes; then 326 if test "$with_gnu_ld" = no; then 327 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 328 else 329 archive_cmds='$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib' 330 fi 331 fi 332 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 333 hardcode_libdir_separator=: 334 link_all_deplibs=yes 335 ;; 336 esac 337 ;; 338 linux*) 339 case $cc_basename in 340 KCC) 341 # Kuck and Associates, Inc. (KAI) C++ Compiler 342 343 # KCC will only create a shared library if the output file 344 # ends with ".so" (or ".sl" for HP-UX), so rename the library 345 # to its proper name (with version) after linking. 346 archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' 347 archive_expsym_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib' 348 349 # Commands to make compiler produce verbose output that lists 350 # what "hidden" libraries, object files and flags are used when 351 # linking a shared library. 352 # 353 # There doesn't appear to be a way to prevent this compiler from 354 # explicitly linking system object files so we need to strip them 355 # from the output so that they don't get included in the library 356 # dependencies. 357 output_verbose_link_cmd='templist=`$CC $CFLAGS -v conftest.$objext -o libconftest.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 358 359 hardcode_libdir_flag_spec='${wl}--rpath,$libdir' 360 export_dynamic_flag_spec='${wl}--export-dynamic' 361 362 # Archives containing C++ object files must be created using 363 # "CC -Bstatic", where "CC" is the KAI C++ compiler. 364 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' 365 ;; 366 cxx) 367 # Compaq C++ 368 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib' 369 archive_expsym_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib ${wl}-retain-symbols-file $wl$export_symbols' 370 371 runpath_var=LD_RUN_PATH 372 hardcode_libdir_flag_spec='-rpath $libdir' 373 hardcode_libdir_separator=: 374 375 # Commands to make compiler produce verbose output that lists 376 # what "hidden" libraries, object files and flags are used when 377 # linking a shared library. 378 # 379 # There doesn't appear to be a way to prevent this compiler from 380 # explicitly linking system object files so we need to strip them 381 # from the output so that they don't get included in the library 382 # dependencies. 383 output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 384 ;; 385 esac 386 ;; 387 lynxos*) 388 # FIXME: insert proper C++ library support 389 ld_shlibs=no 390 ;; 391 m88k*) 392 # FIXME: insert proper C++ library support 393 ld_shlibs=no 394 ;; 395 mvs*) 396 case $cc_basename in 397 cxx) 398 # FIXME: insert proper C++ library support 399 ld_shlibs=no 400 ;; 401 *) 402 # FIXME: insert proper C++ library support 403 ld_shlibs=no 404 ;; 405 esac 406 ;; 407 netbsd* | knetbsd*-gnu) 408 # NetBSD uses g++ - do we need to do anything? 409 ;; 410 osf3*) 411 case $cc_basename in 412 KCC) 413 # Kuck and Associates, Inc. (KAI) C++ Compiler 414 415 # KCC will only create a shared library if the output file 416 # ends with ".so" (or ".sl" for HP-UX), so rename the library 417 # to its proper name (with version) after linking. 418 archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' 419 420 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 421 hardcode_libdir_separator=: 422 423 # Archives containing C++ object files must be created using 424 # "CC -Bstatic", where "CC" is the KAI C++ compiler. 425 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' 426 427 ;; 428 RCC) 429 # Rational C++ 2.4.1 430 # FIXME: insert proper C++ library support 431 ld_shlibs=no 432 ;; 433 cxx) 434 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 435 archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 436 437 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 438 hardcode_libdir_separator=: 439 440 # Commands to make compiler produce verbose output that lists 441 # what "hidden" libraries, object files and flags are used when 442 # linking a shared library. 443 # 444 # There doesn't appear to be a way to prevent this compiler from 445 # explicitly linking system object files so we need to strip them 446 # from the output so that they don't get included in the library 447 # dependencies. 448 output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 449 ;; 450 *) 451 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 452 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 453 archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 454 455 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 456 hardcode_libdir_separator=: 457 458 # Commands to make compiler produce verbose output that lists 459 # what "hidden" libraries, object files and flags are used when 460 # linking a shared library. 461 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 462 else 463 # FIXME: insert proper C++ library support 464 ld_shlibs=no 465 fi 466 ;; 467 esac 468 ;; 469 osf4* | osf5*) 470 case $cc_basename in 471 KCC) 472 # Kuck and Associates, Inc. (KAI) C++ Compiler 473 474 # KCC will only create a shared library if the output file 475 # ends with ".so" (or ".sl" for HP-UX), so rename the library 476 # to its proper name (with version) after linking. 477 archive_cmds='templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib' 478 479 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 480 hardcode_libdir_separator=: 481 482 # Archives containing C++ object files must be created using 483 # the KAI C++ compiler. 484 old_archive_cmds='$CC -o $oldlib $oldobjs' 485 ;; 486 RCC) 487 # Rational C++ 2.4.1 488 # FIXME: insert proper C++ library support 489 ld_shlibs=no 490 ;; 491 cxx) 492 allow_undefined_flag=' -expect_unresolved \*' 493 archive_cmds='$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 494 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~ 495 echo "-hidden">> $lib.exp~ 496 $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp `test -n "$verstring" && echo -set_version $verstring` -update_registry $objdir/so_locations -o $lib~ 497 $rm $lib.exp' 498 499 hardcode_libdir_flag_spec='-rpath $libdir' 500 hardcode_libdir_separator=: 501 502 # Commands to make compiler produce verbose output that lists 503 # what "hidden" libraries, object files and flags are used when 504 # linking a shared library. 505 # 506 # There doesn't appear to be a way to prevent this compiler from 507 # explicitly linking system object files so we need to strip them 508 # from the output so that they don't get included in the library 509 # dependencies. 510 output_verbose_link_cmd='templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 511 ;; 512 *) 513 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 514 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 515 archive_cmds='$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 516 517 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 518 hardcode_libdir_separator=: 519 520 # Commands to make compiler produce verbose output that lists 521 # what "hidden" libraries, object files and flags are used when 522 # linking a shared library. 523 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 524 else 525 # FIXME: insert proper C++ library support 526 ld_shlibs=no 527 fi 528 ;; 529 esac 530 ;; 531 psos*) 532 # FIXME: insert proper C++ library support 533 ld_shlibs=no 534 ;; 535 sco*) 536 case $cc_basename in 537 CC) 538 # FIXME: insert proper C++ library support 539 ld_shlibs=no 540 ;; 541 *) 542 # FIXME: insert proper C++ library support 543 ld_shlibs=no 544 ;; 545 esac 546 ;; 547 sunos4*) 548 case $cc_basename in 549 CC) 550 # Sun C++ 4.x 551 # FIXME: insert proper C++ library support 552 ld_shlibs=no 553 ;; 554 lcc) 555 # Lucid 556 # FIXME: insert proper C++ library support 557 ld_shlibs=no 558 ;; 559 *) 560 # FIXME: insert proper C++ library support 561 ld_shlibs=no 562 ;; 563 esac 564 ;; 565 solaris*) 566 case $cc_basename in 567 CC) 568 # Sun C++ 4.2, 5.x and Centerline C++ 569 no_undefined_flag=' -zdefs' 570 archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' 571 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 572 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 573 574 hardcode_libdir_flag_spec='-R$libdir' 575 hardcode_shlibpath_var=no 576 case $host_os in 577 solaris2.[0-5] | solaris2.[0-5].*) ;; 578 *) 579 # The C++ compiler is used as linker so we must use $wl 580 # flag to pass the commands to the underlying system 581 # linker. 582 # Supported since Solaris 2.6 (maybe 2.5.1?) 583 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' 584 ;; 585 esac 586 link_all_deplibs=yes 587 588 # Commands to make compiler produce verbose output that lists 589 # what "hidden" libraries, object files and flags are used when 590 # linking a shared library. 591 # 592 # There doesn't appear to be a way to prevent this compiler from 593 # explicitly linking system object files so we need to strip them 594 # from the output so that they don't get included in the library 595 # dependencies. 596 output_verbose_link_cmd='templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list' 597 598 # Archives containing C++ object files must be created using 599 # "CC -xar", where "CC" is the Sun C++ compiler. This is 600 # necessary to make sure instantiated templates are included 601 # in the archive. 602 old_archive_cmds='$CC -xar -o $oldlib $oldobjs' 603 ;; 604 gcx) 605 # Green Hills C++ Compiler 606 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 607 608 # The C++ compiler must be used to create the archive. 609 old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs' 610 ;; 611 *) 612 # GNU C++ compiler with Solaris linker 613 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 614 no_undefined_flag=' ${wl}-z ${wl}defs' 615 if $CC --version | egrep -v '^2\.7' > /dev/null; then 616 archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 617 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 618 $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 619 620 # Commands to make compiler produce verbose output that lists 621 # what "hidden" libraries, object files and flags are used when 622 # linking a shared library. 623 output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" 624 else 625 # g++ 2.7 appears to require `-G' NOT `-shared' on this 626 # platform. 627 archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 628 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 629 $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 630 631 # Commands to make compiler produce verbose output that lists 632 # what "hidden" libraries, object files and flags are used when 633 # linking a shared library. 634 output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" 635 fi 636 637 hardcode_libdir_flag_spec='${wl}-R $wl$libdir' 638 fi 639 ;; 640 esac 641 ;; 642 tandem*) 643 case $cc_basename in 644 NCC) 645 # NonStop-UX NCC 3.20 646 # FIXME: insert proper C++ library support 647 ld_shlibs=no 648 ;; 649 *) 650 # FIXME: insert proper C++ library support 651 ld_shlibs=no 652 ;; 653 esac 654 ;; 655 tpf*) 656 ld_shlibs=yes 657 ;; 658 unixware*) 659 # FIXME: insert proper C++ library support 660 ld_shlibs=no 661 ;; 662 vxworks*) 663 # FIXME: insert proper C++ library support 664 ld_shlibs=no 665 ;; 666 *) 667 # FIXME: insert proper C++ library support 668 ld_shlibs=no 669 ;; 670esac 671 672 673## Compiler Characteristics: PIC flags, static flags, etc 674 675# We don't use cached values here since only the C compiler 676# characteristics should be cached. 677ac_cv_prog_cc_pic= 678ac_cv_prog_cc_shlib= 679ac_cv_prog_cc_wl= 680ac_cv_prog_cc_static= 681ac_cv_prog_cc_no_builtin= 682ac_cv_prog_cc_can_build_shared=$can_build_shared 683 684ac_cv_prog_cc_pic_works= 685ac_cv_prog_cc_static_works= 686 687if test "$with_gcc" = yes; then 688 ac_cv_prog_cc_wl='-Wl,' 689 ac_cv_prog_cc_static='-static' 690 691 case $host_os in 692 aix*) 693 # All AIX code is PIC. 694 if test "$host_cpu" = ia64; then 695 # AIX 5 now supports IA64 processor 696 lt_cv_prog_cc_static='-Bstatic' 697 else 698 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 699 fi 700 ;; 701 amigaos*) 702 # FIXME: we need at least 68020 code to build shared libraries, but 703 # adding the `-m68020' flag to GCC prevents building anything better, 704 # like `-m68040'. 705 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 706 ;; 707 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) 708 # PIC is the default for these OSes. 709 ;; 710 cygwin* | mingw* | os2*) 711 # This hack is so that the source file can tell whether it is being 712 # built for inclusion in a dll (and should export symbols for example). 713 ac_cv_prog_cc_pic='-DDLL_EXPORT' 714 ;; 715 darwin* | rhapsody*) 716 # PIC is the default on this platform 717 # Common symbols not allowed in MH_DYLIB files 718 lt_cv_prog_cc_pic='-fno-common' 719 ;; 720 *djgpp*) 721 # DJGPP does not support shared libraries at all 722 ac_cv_prog_cc_pic= 723 ;; 724 sysv4*MP*) 725 if test -d /usr/nec; then 726 ac_cv_prog_cc_pic=-Kconform_pic 727 fi 728 ;; 729 *) 730 ac_cv_prog_cc_pic='-fPIC' 731 ;; 732 esac 733else 734 case $host_os in 735 aix4* | aix5*) 736 # All AIX code is PIC. 737 if test "$host_cpu" = ia64; then 738 # AIX 5 now supports IA64 processor 739 lt_cv_prog_cc_static='-Bstatic' 740 else 741 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 742 fi 743 ;; 744 chorus*) 745 case $cc_basename in 746 cxch68) 747 # Green Hills C++ Compiler 748 # ac_cv_prog_cc_static="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a" 749 ;; 750 esac 751 ;; 752 dgux*) 753 case $cc_basename in 754 ec++) 755 ac_cv_prog_cc_pic='-KPIC' 756 ;; 757 ghcx) 758 # Green Hills C++ Compiler 759 ac_cv_prog_cc_pic='-pic' 760 ;; 761 *) 762 ;; 763 esac 764 ;; 765 freebsd* | kfreebsd*-gnu) 766 # FreeBSD uses GNU C++ 767 ;; 768 gnu*) 769 ;; 770 hpux9* | hpux10* | hpux11*) 771 case $cc_basename in 772 CC) 773 ac_cv_prog_cc_wl='-Wl,' 774 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 775 ac_cv_prog_cc_pic='+Z' 776 ;; 777 aCC) 778 ac_cv_prog_cc_wl='-Wl,' 779 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 780 ac_cv_prog_cc_pic='+Z' 781 ;; 782 *) 783 ;; 784 esac 785 ;; 786 irix5* | irix6*) 787 case $cc_basename in 788 CC) 789 ac_cv_prog_cc_wl='-Wl,' 790 ac_cv_prog_cc_static='-non_shared' 791 ac_cv_prog_cc_pic='-KPIC' 792 ;; 793 *) 794 ;; 795 esac 796 ;; 797 linux*) 798 case $cc_basename in 799 KCC) 800 # KAI C++ Compiler 801 ac_cv_prog_cc_wl='--backend -Wl,' 802 ac_cv_prog_cc_pic='-fPIC' 803 ;; 804 cxx) 805 # Compaq C++ 806 # Make sure the PIC flag is empty. It appears that all Alpha 807 # Linux and Compaq Tru64 Unix objects are PIC. 808 ac_cv_prog_cc_pic= 809 ac_cv_prog_cc_static='-non_shared' 810 ;; 811 *) 812 ;; 813 esac 814 ;; 815 lynxos*) 816 ;; 817 m88k*) 818 ;; 819 mvs*) 820 case $cc_basename in 821 cxx) 822 ac_cv_prog_cc_pic='-W c,exportall' 823 ;; 824 *) 825 ;; 826 esac 827 ;; 828 netbsd*) 829 ;; 830 osf3* | osf4* | osf5*) 831 case $cc_basename in 832 KCC) 833 ac_cv_prog_cc_wl='--backend -Wl,' 834 ;; 835 RCC) 836 # Rational C++ 2.4.1 837 ac_cv_prog_cc_pic='-pic' 838 ;; 839 cxx) 840 # Digital/Compaq C++ 841 ac_cv_prog_cc_wl='-Wl,' 842 # Make sure the PIC flag is empty. It appears that all Alpha 843 # Linux and Compaq Tru64 Unix objects are PIC. 844 ac_cv_prog_cc_pic= 845 ac_cv_prog_cc_static='-non_shared' 846 ;; 847 *) 848 ;; 849 esac 850 ;; 851 psos*) 852 ;; 853 sco*) 854 case $cc_basename in 855 CC) 856 ac_cv_prog_cc_pic='-fPIC' 857 ;; 858 *) 859 ;; 860 esac 861 ;; 862 solaris*) 863 case $cc_basename in 864 CC) 865 # Sun C++ 4.2, 5.x and Centerline C++ 866 ac_cv_prog_cc_pic='-KPIC' 867 ac_cv_prog_cc_static='-Bstatic' 868 ac_cv_prog_cc_wl='-Qoption ld ' 869 ;; 870 gcx) 871 # Green Hills C++ Compiler 872 ac_cv_prog_cc_pic='-PIC' 873 ;; 874 *) 875 ;; 876 esac 877 ;; 878 sunos4*) 879 case $cc_basename in 880 CC) 881 # Sun C++ 4.x 882 ac_cv_prog_cc_pic='-pic' 883 ac_cv_prog_cc_static='-Bstatic' 884 ;; 885 lcc) 886 # Lucid 887 ac_cv_prog_cc_pic='-pic' 888 ;; 889 *) 890 ;; 891 esac 892 ;; 893 tandem*) 894 case $cc_basename in 895 NCC) 896 # NonStop-UX NCC 3.20 897 ac_cv_prog_cc_pic='-KPIC' 898 ;; 899 *) 900 ;; 901 esac 902 ;; 903 unixware*) 904 ;; 905 vxworks*) 906 ;; 907 *) 908 ac_cv_prog_cc_can_build_shared=no 909 ;; 910 esac 911fi 912 913case "$host_os" in 914 # Platforms which do not suport PIC and -DPIC is meaningless 915 # on them: 916 *djgpp*) 917 ac_cv_prog_cc_pic= 918 ;; 919 *) 920 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 921 ;; 922esac 923 924 925# Figure out "hidden" C++ library dependencies from verbose 926# compiler output whening linking a shared library. 927cat > conftest.$ac_ext <<EOF 928class Foo 929{ 930public: 931 Foo (void) { a = 0; } 932private: 933 int a; 934}; 935EOF 936 937 938if (eval $ac_compile) 2>&5; then 939 # Parse the compiler output and extract the necessary 940 # objects, libraries and library flags. 941 942 # Sentinel used to keep track of whether or not we are before 943 # the conftest object file. 944 pre_test_object_deps_done=no 945 946 for p in `eval $output_verbose_link_cmd`; do 947 948 case $p in 949 950 -L* | -R* | -l*) 951 # Some compilers place space between "-{L,R}" and the path. 952 # Remove the space. 953 if test $p = "-L" \ 954 || test $p = "-R"; then 955 prev=$p 956 continue 957 else 958 prev= 959 fi 960 961 if test "$pre_test_object_deps_done" = no; then 962 case $p in 963 -L* | -R*) 964 # Internal compiler library paths should come after those 965 # provided the user. The postdeps already come after the 966 # user supplied libs so there is no need to process them. 967 if test -z "$compiler_lib_search_path"; then 968 compiler_lib_search_path="${prev}${p}" 969 else 970 compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}" 971 fi 972 ;; 973 # The "-l" case would never come before the object being 974 # linked, so don't bother handling this case. 975 esac 976 else 977 if test -z "$postdeps"; then 978 postdeps="${prev}${p}" 979 else 980 postdeps="${postdeps} ${prev}${p}" 981 fi 982 fi 983 ;; 984 985 *.$objext) 986 # This assumes that the test object file only shows up 987 # once in the compiler output. 988 if test "$p" = "conftest.$objext"; then 989 pre_test_object_deps_done=yes 990 continue 991 fi 992 993 if test "$pre_test_object_deps_done" = no; then 994 if test -z "$predep_objects"; then 995 predep_objects="$p" 996 else 997 predep_objects="$predep_objects $p" 998 fi 999 else 1000 if test -z "$postdep_objects"; then 1001 postdep_objects="$p" 1002 else 1003 postdep_objects="$postdep_objects $p" 1004 fi 1005 fi 1006 ;; 1007 1008 *) ;; # Ignore the rest. 1009 1010 esac 1011 done 1012 1013 # Clean up. 1014 rm -f a.out 1015else 1016 echo "ltcf-cxx.sh: error: problem compiling test program" 1017fi 1018 1019$rm -f confest.$objext 1020 1021case " $postdeps " in 1022*" -lc "*) need_lc=no ;; 1023*) need_lc=yes ;; 1024esac 1025