ltcf-cxx.sh revision 1.2
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*) 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 $cc_basename in 397 cxx) 398 # FIXME: insert proper C++ library support 399 ld_shlibs=no 400 ;; 401 *) 402 # FIXME: insert proper C++ library support 403 ld_shlibs=no 404 ;; 405 esac 406 ;; 407 netbsd*) 408 # NetBSD uses g++ - do we need to do anything? 409 ;; 410 openbsd*) 411 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 412 # MM: OpenBSD 2.7 uses G++, but not GNU ld 413 archive_cmds='$CC $pic_flag -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' 414 archive_expsym_cmds='$CC $pic_flag -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib' 415 old_archive_cmds="$old_archive_cmds~"'$RANLIB $oldlib' 416 hardcode_libdir_flag_spec='${wl}-R$libdir' 417 hardcode_direct=yes 418 hardcode_shlibpath_var=no 419 remove_lgcc=yes 420 output_verbose_link_cmds='$CC $ac_cv_prog_cc_pic -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 421 fi 422 ;; 423 osf3*) 424 case $cc_basename in 425 KCC) 426 # Kuck and Associates, Inc. (KAI) C++ Compiler 427 428 # KCC will only create a shared library if the output file 429 # ends with ".so" (or ".sl" for HP-UX), so rename the library 430 # to its proper name (with version) after linking. 431 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 $lib' 432 433 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 434 hardcode_libdir_separator=: 435 436 # Archives containing C++ object files must be created using 437 # "CC -Bstatic", where "CC" is the KAI C++ compiler. 438 old_archive_cmds='$CC -Bstatic -o $oldlib $oldobjs' 439 440 ;; 441 RCC) 442 # Rational C++ 2.4.1 443 # FIXME: insert proper C++ library support 444 ld_shlibs=no 445 ;; 446 cxx) 447 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 448 archive_cmds='$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 $lib' 449 450 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 451 hardcode_libdir_separator=: 452 453 # Commands to make compiler produce verbose output that lists 454 # what "hidden" libraries, object files and flags are used when 455 # linking a shared library. 456 # 457 # There doesn't appear to be a way to prevent this compiler from 458 # explicitly linking system object files so we need to strip them 459 # from the output so that they don't get included in the library 460 # dependencies. 461 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 $list' 462 ;; 463 *) 464 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 465 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 466 archive_cmds='$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 $lib' 467 468 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 469 hardcode_libdir_separator=: 470 471 # Commands to make compiler produce verbose output that lists 472 # what "hidden" libraries, object files and flags are used when 473 # linking a shared library. 474 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 475 else 476 # FIXME: insert proper C++ library support 477 ld_shlibs=no 478 fi 479 ;; 480 esac 481 ;; 482 osf4* | osf5*) 483 case $cc_basename in 484 KCC) 485 # Kuck and Associates, Inc. (KAI) C++ Compiler 486 487 # KCC will only create a shared library if the output file 488 # ends with ".so" (or ".sl" for HP-UX), so rename the library 489 # to its proper name (with version) after linking. 490 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 $lib' 491 492 hardcode_libdir_flag_spec='${wl}-rpath,$libdir' 493 hardcode_libdir_separator=: 494 495 # Archives containing C++ object files must be created using 496 # the KAI C++ compiler. 497 old_archive_cmds='$CC -o $oldlib $oldobjs' 498 ;; 499 RCC) 500 # Rational C++ 2.4.1 501 # FIXME: insert proper C++ library support 502 ld_shlibs=no 503 ;; 504 cxx) 505 allow_undefined_flag=' -expect_unresolved \*' 506 archive_cmds='$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' 507 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~ 508 echo "-hidden">> $lib.exp~ 509 $CC -shared$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~ 510 $rm $lib.exp' 511 512 hardcode_libdir_flag_spec='-rpath $libdir' 513 hardcode_libdir_separator=: 514 515 # Commands to make compiler produce verbose output that lists 516 # what "hidden" libraries, object files and flags are used when 517 # linking a shared library. 518 # 519 # There doesn't appear to be a way to prevent this compiler from 520 # explicitly linking system object files so we need to strip them 521 # from the output so that they don't get included in the library 522 # dependencies. 523 output_verbose_link_cmd='templist=`$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 $list' 524 ;; 525 *) 526 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 527 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 528 archive_cmds='$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 $lib' 529 530 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 531 hardcode_libdir_separator=: 532 533 # Commands to make compiler produce verbose output that lists 534 # what "hidden" libraries, object files and flags are used when 535 # linking a shared library. 536 output_verbose_link_cmd='$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"' 537 else 538 # FIXME: insert proper C++ library support 539 ld_shlibs=no 540 fi 541 ;; 542 esac 543 ;; 544 psos*) 545 # FIXME: insert proper C++ library support 546 ld_shlibs=no 547 ;; 548 sco*) 549 case $cc_basename in 550 CC) 551 # FIXME: insert proper C++ library support 552 ld_shlibs=no 553 ;; 554 *) 555 # FIXME: insert proper C++ library support 556 ld_shlibs=no 557 ;; 558 esac 559 ;; 560 sunos4*) 561 case $cc_basename in 562 CC) 563 # Sun C++ 4.x 564 # FIXME: insert proper C++ library support 565 ld_shlibs=no 566 ;; 567 lcc) 568 # Lucid 569 # FIXME: insert proper C++ library support 570 ld_shlibs=no 571 ;; 572 *) 573 # FIXME: insert proper C++ library support 574 ld_shlibs=no 575 ;; 576 esac 577 ;; 578 solaris*) 579 case $cc_basename in 580 CC) 581 # Sun C++ 4.2, 5.x and Centerline C++ 582 no_undefined_flag=' -zdefs' 583 archive_cmds='$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags' 584 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 585 $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 586 587 hardcode_libdir_flag_spec='-R$libdir' 588 hardcode_shlibpath_var=no 589 case $host_os in 590 solaris2.[0-5] | solaris2.[0-5].*) ;; 591 *) 592 # The C++ compiler is used as linker so we must use $wl 593 # flag to pass the commands to the underlying system 594 # linker. 595 # Supported since Solaris 2.6 (maybe 2.5.1?) 596 whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' 597 ;; 598 esac 599 link_all_deplibs=yes 600 601 # Commands to make compiler produce verbose output that lists 602 # what "hidden" libraries, object files and flags are used when 603 # linking a shared library. 604 # 605 # There doesn't appear to be a way to prevent this compiler from 606 # explicitly linking system object files so we need to strip them 607 # from the output so that they don't get included in the library 608 # dependencies. 609 output_verbose_link_cmd='templist=`$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 $list' 610 611 # Archives containing C++ object files must be created using 612 # "CC -xar", where "CC" is the Sun C++ compiler. This is 613 # necessary to make sure instantiated templates are included 614 # in the archive. 615 old_archive_cmds='$CC -xar -o $oldlib $oldobjs' 616 ;; 617 gcx) 618 # Green Hills C++ Compiler 619 archive_cmds='$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 620 621 # The C++ compiler must be used to create the archive. 622 old_archive_cmds='$CC $LDFLAGS -archive -o $oldlib $oldobjs' 623 ;; 624 *) 625 # GNU C++ compiler with Solaris linker 626 if test "$with_gcc" = yes && test "$with_gnu_ld" = no; then 627 no_undefined_flag=' ${wl}-z ${wl}defs' 628 if $CC --version | egrep -v '^2\.7' > /dev/null; then 629 archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 630 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 631 $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 632 633 # Commands to make compiler produce verbose output that lists 634 # what "hidden" libraries, object files and flags are used when 635 # linking a shared library. 636 output_verbose_link_cmd="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" 637 else 638 # g++ 2.7 appears to require `-G' NOT `-shared' on this 639 # platform. 640 archive_cmds='$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib' 641 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 642 $CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp' 643 644 # Commands to make compiler produce verbose output that lists 645 # what "hidden" libraries, object files and flags are used when 646 # linking a shared library. 647 output_verbose_link_cmd="$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\"" 648 fi 649 650 hardcode_libdir_flag_spec='${wl}-R $wl$libdir' 651 fi 652 ;; 653 esac 654 ;; 655 tandem*) 656 case $cc_basename in 657 NCC) 658 # NonStop-UX NCC 3.20 659 # FIXME: insert proper C++ library support 660 ld_shlibs=no 661 ;; 662 *) 663 # FIXME: insert proper C++ library support 664 ld_shlibs=no 665 ;; 666 esac 667 ;; 668 unixware*) 669 # FIXME: insert proper C++ library support 670 ld_shlibs=no 671 ;; 672 vxworks*) 673 # FIXME: insert proper C++ library support 674 ld_shlibs=no 675 ;; 676 *) 677 # FIXME: insert proper C++ library support 678 ld_shlibs=no 679 ;; 680esac 681 682 683## Compiler Characteristics: PIC flags, static flags, etc 684 685# We don't use cached values here since only the C compiler 686# characteristics should be cached. 687ac_cv_prog_cc_pic= 688ac_cv_prog_cc_shlib= 689ac_cv_prog_cc_wl= 690ac_cv_prog_cc_static= 691ac_cv_prog_cc_no_builtin= 692ac_cv_prog_cc_can_build_shared=$can_build_shared 693 694ac_cv_prog_cc_pic_works= 695ac_cv_prog_cc_static_works= 696 697if test "$with_gcc" = yes; then 698 ac_cv_prog_cc_wl='-Wl,' 699 ac_cv_prog_cc_static='-static' 700 701 case $host_os in 702 aix*) 703 # All AIX code is PIC. 704 if test "$host_cpu" = ia64; then 705 # AIX 5 now supports IA64 processor 706 lt_cv_prog_cc_static='-Bstatic' 707 else 708 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 709 fi 710 ;; 711 amigaos*) 712 # FIXME: we need at least 68020 code to build shared libraries, but 713 # adding the `-m68020' flag to GCC prevents building anything better, 714 # like `-m68040'. 715 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 716 ;; 717 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) 718 # PIC is the default for these OSes. 719 ;; 720 cygwin* | mingw* | os2*) 721 # This hack is so that the source file can tell whether it is being 722 # built for inclusion in a dll (and should export symbols for example). 723 ac_cv_prog_cc_pic='-DDLL_EXPORT' 724 ;; 725 darwin* | rhapsody*) 726 # PIC is the default on this platform 727 # Common symbols not allowed in MH_DYLIB files 728 lt_cv_prog_cc_pic='-fno-common' 729 ;; 730 *djgpp*) 731 # DJGPP does not support shared libraries at all 732 ac_cv_prog_cc_pic= 733 ;; 734 sysv4*MP*) 735 if test -d /usr/nec; then 736 ac_cv_prog_cc_pic=-Kconform_pic 737 fi 738 ;; 739 *) 740 ac_cv_prog_cc_pic='-fPIC' 741 ;; 742 esac 743else 744 case $host_os in 745 aix4* | aix5*) 746 # All AIX code is PIC. 747 if test "$host_cpu" = ia64; then 748 # AIX 5 now supports IA64 processor 749 lt_cv_prog_cc_static='-Bstatic' 750 else 751 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 752 fi 753 ;; 754 chorus*) 755 case $cc_basename in 756 cxch68) 757 # Green Hills C++ Compiler 758 # 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" 759 ;; 760 esac 761 ;; 762 dgux*) 763 case $cc_basename in 764 ec++) 765 ac_cv_prog_cc_pic='-KPIC' 766 ;; 767 ghcx) 768 # Green Hills C++ Compiler 769 ac_cv_prog_cc_pic='-pic' 770 ;; 771 *) 772 ;; 773 esac 774 ;; 775 freebsd*) 776 # FreeBSD uses GNU C++ 777 ;; 778 gnu*) 779 ;; 780 hpux9* | hpux10* | hpux11*) 781 case $cc_basename in 782 CC) 783 ac_cv_prog_cc_wl='-Wl,' 784 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 785 ac_cv_prog_cc_pic='+Z' 786 ;; 787 aCC) 788 ac_cv_prog_cc_wl='-Wl,' 789 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 790 ac_cv_prog_cc_pic='+Z' 791 ;; 792 *) 793 ;; 794 esac 795 ;; 796 irix5* | irix6*) 797 case $cc_basename in 798 CC) 799 ac_cv_prog_cc_wl='-Wl,' 800 ac_cv_prog_cc_static='-non_shared' 801 ac_cv_prog_cc_pic='-KPIC' 802 ;; 803 *) 804 ;; 805 esac 806 ;; 807 linux*) 808 case $cc_basename in 809 KCC) 810 # KAI C++ Compiler 811 ac_cv_prog_cc_wl='--backend -Wl,' 812 ac_cv_prog_cc_pic='-fPIC' 813 ;; 814 cxx) 815 # Compaq C++ 816 # Make sure the PIC flag is empty. It appears that all Alpha 817 # Linux and Compaq Tru64 Unix objects are PIC. 818 ac_cv_prog_cc_pic= 819 ac_cv_prog_cc_static='-non_shared' 820 ;; 821 *) 822 ;; 823 esac 824 ;; 825 lynxos*) 826 ;; 827 m88k*) 828 ;; 829 mvs*) 830 case $cc_basename in 831 cxx) 832 ac_cv_prog_cc_pic='-W c,exportall' 833 ;; 834 *) 835 ;; 836 esac 837 ;; 838 netbsd*) 839 ;; 840 osf3* | osf4* | osf5*) 841 case $cc_basename in 842 KCC) 843 ac_cv_prog_cc_wl='--backend -Wl,' 844 ;; 845 RCC) 846 # Rational C++ 2.4.1 847 ac_cv_prog_cc_pic='-pic' 848 ;; 849 cxx) 850 # Digital/Compaq C++ 851 ac_cv_prog_cc_wl='-Wl,' 852 # Make sure the PIC flag is empty. It appears that all Alpha 853 # Linux and Compaq Tru64 Unix objects are PIC. 854 ac_cv_prog_cc_pic= 855 ac_cv_prog_cc_static='-non_shared' 856 ;; 857 *) 858 ;; 859 esac 860 ;; 861 psos*) 862 ;; 863 sco*) 864 case $cc_basename in 865 CC) 866 ac_cv_prog_cc_pic='-fPIC' 867 ;; 868 *) 869 ;; 870 esac 871 ;; 872 solaris*) 873 case $cc_basename in 874 CC) 875 # Sun C++ 4.2, 5.x and Centerline C++ 876 ac_cv_prog_cc_pic='-KPIC' 877 ac_cv_prog_cc_static='-Bstatic' 878 ac_cv_prog_cc_wl='-Qoption ld ' 879 ;; 880 gcx) 881 # Green Hills C++ Compiler 882 ac_cv_prog_cc_pic='-PIC' 883 ;; 884 *) 885 ;; 886 esac 887 ;; 888 sunos4*) 889 case $cc_basename in 890 CC) 891 # Sun C++ 4.x 892 ac_cv_prog_cc_pic='-pic' 893 ac_cv_prog_cc_static='-Bstatic' 894 ;; 895 lcc) 896 # Lucid 897 ac_cv_prog_cc_pic='-pic' 898 ;; 899 *) 900 ;; 901 esac 902 ;; 903 tandem*) 904 case $cc_basename in 905 NCC) 906 # NonStop-UX NCC 3.20 907 ac_cv_prog_cc_pic='-KPIC' 908 ;; 909 *) 910 ;; 911 esac 912 ;; 913 unixware*) 914 ;; 915 vxworks*) 916 ;; 917 *) 918 ac_cv_prog_cc_can_build_shared=no 919 ;; 920 esac 921fi 922 923case "$host_os" in 924 # Platforms which do not suport PIC and -DPIC is meaningless 925 # on them: 926 *djgpp*) 927 ac_cv_prog_cc_pic= 928 ;; 929 *) 930 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 931 ;; 932esac 933 934 935# Figure out "hidden" C++ library dependencies from verbose 936# compiler output whening linking a shared library. 937cat > conftest.$ac_ext <<EOF 938class Foo 939{ 940public: 941 Foo (void) { a = 0; } 942private: 943 int a; 944}; 945EOF 946 947 948if (eval $ac_compile) 2>&5; then 949 # Parse the compiler output and extract the necessary 950 # objects, libraries and library flags. 951 952 # Sentinel used to keep track of whether or not we are before 953 # the conftest object file. 954 pre_test_object_deps_done=no 955 956 for p in `eval $output_verbose_link_cmd`; do 957 958 case $p in 959 960 -L* | -R* | -l*) 961 # Some compilers place space between "-{L,R}" and the path. 962 # Remove the space. 963 if test $p = "-L" \ 964 || test $p = "-R"; then 965 prev=$p 966 continue 967 else 968 prev= 969 fi 970 971 if test "$pre_test_object_deps_done" = no; then 972 case $p in 973 -L* | -R*) 974 # Internal compiler library paths should come after those 975 # provided the user. The postdeps already come after the 976 # user supplied libs so there is no need to process them. 977 if test -z "$compiler_lib_search_path"; then 978 compiler_lib_search_path="${prev}${p}" 979 else 980 compiler_lib_search_path="${compiler_lib_search_path} ${prev}${p}" 981 fi 982 ;; 983 # The "-l" case would never come before the object being 984 # linked, so don't bother handling this case. 985 esac 986 else 987 if test -z "$postdeps"; then 988 postdeps="${prev}${p}" 989 else 990 postdeps="${postdeps} ${prev}${p}" 991 fi 992 fi 993 ;; 994 995 *.$objext) 996 # This assumes that the test object file only shows up 997 # once in the compiler output. 998 if test "$p" = "conftest.$objext"; then 999 pre_test_object_deps_done=yes 1000 continue 1001 fi 1002 1003 if test "$pre_test_object_deps_done" = no; then 1004 if test -z "$predep_objects"; then 1005 predep_objects="$p" 1006 else 1007 predep_objects="$predep_objects $p" 1008 fi 1009 else 1010 if test -z "$postdep_objects"; then 1011 postdep_objects="$p" 1012 else 1013 postdep_objects="$postdep_objects $p" 1014 fi 1015 fi 1016 ;; 1017 1018 *) ;; # Ignore the rest. 1019 1020 esac 1021 done 1022 1023 # Clean up. 1024 rm -f a.out 1025else 1026 echo "ltcf-cxx.sh: error: problem compiling test program" 1027fi 1028 1029$rm -f confest.$objext 1030 1031case " $postdeps " in 1032*" -lc "*) need_lc=no ;; 1033*) need_lc=yes ;; 1034esac 1035