1: #### This script is meant to be sourced by ltconfig.
    2: 
    3: # ltcf-gcj.sh - Create a GCJ 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 GCJ support by:
    9: #    Alexandre Oliva <oliva@lsd.ic.unicamp.br>
   10: #
   11: # This file is free software; you can redistribute it and/or modify it
   12: # under the terms of the GNU General Public License as published by
   13: # the Free Software Foundation; either version 2 of the License, or
   14: # (at your option) any later version.
   15: #
   16: # This program is distributed in the hope that it will be useful, but
   17: # WITHOUT ANY WARRANTY; without even the implied warranty of
   18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   19: # General Public License for more details.
   20: #
   21: # You should have received a copy of the GNU General Public License
   22: # along with this program; if not, write to the Free Software
   23: # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
   24: #
   25: # As a special exception to the GNU General Public License, if you
   26: # distribute this file as part of a program that contains a
   27: # configuration script generated by Autoconf, you may include it under
   28: # the same distribution terms that you use for the rest of that program.
   29: 
   30: 
   31: # Source file extension for Java test sources.
   32: ac_ext=java
   33: 
   34: # Object file extension for compiled Java test sources.
   35: objext=o
   36: 
   37: # Code to be used in simple compile tests
   38: lt_simple_compile_test_code="class foo {}"
   39: 
   40: # Code to be used in simple link tests
   41: lt_simple_link_test_code='public class conftest { public static void main(String[] argv) {}; }'
   42: 
   43: ## Linker Characteristics
   44: case $host_os in
   45: cygwin* | mingw*)
   46:   # FIXME: the MSVC++ port hasn't been tested in a loooong time
   47:   # When not using gcc, we currently assume that we are using
   48:   # Microsoft Visual C++.
   49:   if test "$with_gcc" != yes; then
   50:     with_gnu_ld=no
   51:   fi
   52:   ;;
   53: 
   54: esac
   55: 
   56: ld_shlibs=yes
   57: if test "$with_gnu_ld" = yes; then
   58:   # If archive_cmds runs LD, not CC, wlarc should be empty
   59:   wlarc='${wl}'
   60: 
   61:   # See if GNU ld supports shared libraries.
   62:   case $host_os in
   63:   aix3* | aix4* | aix5*)
   64:     # On AIX/PPC, the GNU linker is very broken
   65:     if test "$host_cpu" != ia64; then
   66:       ld_shlibs=no
   67:       cat <<EOF 1>&2
   68: 
   69: *** Warning: the GNU linker, at least up to release 2.9.1, is reported
   70: *** to be unable to reliably create shared libraries on AIX.
   71: *** Therefore, libtool is disabling shared libraries support.  If you
   72: *** really care for shared libraries, you may want to modify your PATH
   73: *** so that a non-GNU linker is found, and then restart.
   74: 
   75: EOF
   76:     fi
   77:     ;;
   78: 
   79:   amigaos*)
   80:     archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
   81:     hardcode_libdir_flag_spec='-L$libdir'
   82:     hardcode_minus_L=yes
   83: 
   84:     # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
   85:     # that the semantics of dynamic libraries on AmigaOS, at least up
   86:     # to version 4, is to share data among multiple programs linked
   87:     # with the same dynamic library.  Since this doesn't match the
   88:     # behavior of shared libraries on other platforms, we can use
   89:     # them.
   90:     ld_shlibs=no
   91:     ;;
   92: 
   93:   beos*)
   94:     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
   95:       allow_undefined_flag=unsupported
   96:       # Joseph Beckenbach <jrb3@best.com> says some releases of gcc
   97:       # support --undefined.  This deserves some investigation.  FIXME
   98:       archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
   99:     else
  100:       ld_shlibs=no
  101:     fi
  102:     ;;
  103: 
  104:   cygwin* | mingw*)
  105:     # hardcode_libdir_flag_spec is actually meaningless, as there is
  106:     # no search path for DLLs.
  107:     hardcode_libdir_flag_spec='-L$libdir'
  108:     allow_undefined_flag=unsupported
  109:     always_export_symbols=yes
  110: 
  111:     extract_expsyms_cmds='test -f $output_objdir/impgen.c || \
  112:       sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
  113:       test -f $output_objdir/impgen.exe || (cd $output_objdir && \
  114:       if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \
  115:       else $CC -o impgen impgen.c ; fi)~
  116:       $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
  117: 
  118:     old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
  119: 
  120:     # cygwin and mingw dlls have different entry points and sets of symbols
  121:     # to exclude.
  122:     # FIXME: what about values for MSVC?
  123:     dll_entry=__cygwin_dll_entry@12
  124:     dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
  125:     case $host_os in
  126:     mingw*)
  127:       # mingw values
  128:       dll_entry=_DllMainCRTStartup@12
  129:       dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~
  130:       ;;
  131:     esac
  132: 
  133:     # mingw and cygwin differ, and it's simplest to just exclude the union
  134:     # of the two symbol sets.
  135:     dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12
  136: 
  137:     # recent cygwin and mingw systems supply a stub DllMain which the user
  138:     # can override, but on older systems we have to supply one (in ltdll.c)
  139:     if test "x$lt_cv_need_dllmain" = "xyes"; then
  140:       ltdll_obj='$output_objdir/$soname-ltdll.'"$objext "
  141:       ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~
  142:         test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~'
  143:     else
  144:       ltdll_obj=
  145:       ltdll_cmds=
  146:     fi
  147: 
  148:     # Extract the symbol export list from an `--export-all' def file,
  149:     # then regenerate the def file from the symbol export list, so that
  150:     # the compiled dll only exports the symbol export list.
  151:     # Be careful not to strip the DATA tag left be newer dlltools.
  152:     export_symbols_cmds="$ltdll_cmds"'
  153:       $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~
  154:       sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
  155: 
  156:     # If the export-symbols file already is a .def file (1st line
  157:     # is EXPORTS), use it as is.
  158:     # If DATA tags from a recent dlltool are present, honour them!
  159:     archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
  160:         cp $export_symbols $output_objdir/$soname-def;
  161:       else
  162:         echo EXPORTS > $output_objdir/$soname-def;
  163:         _lt_hint=1;
  164:         cat $export_symbols | while read symbol; do
  165:          set dummy \$symbol;
  166:          case \[$]# in
  167:            2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
  168:            *) echo "     \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
  169:          esac;
  170:          _lt_hint=`expr 1 + \$_lt_hint`;
  171:         done;
  172:       fi~
  173:       '"$ltdll_cmds"'
  174:       $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
  175:       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~
  176:       $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
  177:       $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~
  178:       $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
  179:     ;;
  180: 
  181:   netbsd* | knetbsd*-gnu)
  182:     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  183:       archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
  184:       wlarc=
  185:     else
  186:       archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
  187:       archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  188:     fi
  189:     ;;
  190: 
  191:   solaris* | sysv5*)
  192:     if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then
  193:       ld_shlibs=no
  194:       cat <<EOF 1>&2
  195: 
  196: *** Warning: The releases 2.8.* of the GNU linker cannot reliably
  197: *** create shared libraries on Solaris systems.  Therefore, libtool
  198: *** is disabling shared libraries support.  We urge you to upgrade GNU
  199: *** binutils to release 2.9.1 or newer.  Another option is to modify
  200: *** your PATH or compiler configuration so that the native linker is
  201: *** used, and then restart.
  202: 
  203: EOF
  204:     elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  205:       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
  206:       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  207:     else
  208:       ld_shlibs=no
  209:     fi
  210:     ;;
  211: 
  212:   sunos4*)
  213:     archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
  214:     wlarc=
  215:     hardcode_direct=yes
  216:     hardcode_shlibpath_var=no
  217:     ;;
  218: 
  219:   *)
  220:     if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then
  221:       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
  222:       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
  223:     else
  224:       ld_shlibs=no
  225:     fi
  226:     ;;
  227:   esac
  228: 
  229:   if test "$ld_shlibs" = yes; then
  230:     runpath_var=LD_RUN_PATH
  231:     hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir'
  232:     export_dynamic_flag_spec='${wl}--export-dynamic'
  233:     case $host_os in
  234:     cygwin* | mingw*)
  235:       # dlltool doesn't understand --whole-archive et. al.
  236:       whole_archive_flag_spec=
  237:       ;;
  238:     *)
  239:       # ancient GNU ld didn't support --whole-archive et. al.
  240:       if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then
  241:         whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
  242:       else
  243:         whole_archive_flag_spec=
  244:       fi
  245:       ;;
  246:     esac
  247:   fi
  248: else
  249:   # PORTME fill in a description of your system's linker (not GNU ld)
  250:   case $host_os in
  251:   aix3*)
  252:     allow_undefined_flag=unsupported
  253:     always_export_symbols=yes
  254:     archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
  255:     # Note: this linker hardcodes the directories in LIBPATH if there
  256:     # are no directories specified by -L.
  257:     hardcode_minus_L=yes
  258:     if test "$with_gcc" = yes && test -z "$link_static_flag"; then
  259:       # Neither direct hardcoding nor static linking is supported with a
  260:       # broken collect2.
  261:       hardcode_direct=unsupported
  262:     fi
  263:     ;;
  264: 
  265:   aix4* | aix5*)
  266:     hardcode_direct=yes
  267:     hardcode_libdir_separator=':'
  268:     link_all_deplibs=yes
  269:     file_list_spec='${wl}-f,'
  270:     # When large executables or shared objects are built, AIX ld can
  271:     # have problems creating the table of contents.  If linking a library
  272:     # or program results in "error TOC overflow" add -mminimal-toc to
  273:     # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
  274:     # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
  275:     if test "$with_gcc" = yes; then
  276:       case $host_os in aix4.[012]|aix4.[012].*)
  277:       # We only want to do this on AIX 4.2 and lower, the check
  278:       # below for broken collect2 doesn't work under 4.3+
  279:         collect2name=`${CC} -print-prog-name=collect2`
  280:         if test -f "$collect2name" && \
  281:            strings "$collect2name" | grep resolve_lib_name >/dev/null
  282:         then
  283:           # We have reworked collect2
  284:           hardcode_direct=yes
  285:         else
  286:           # We have old collect2
  287:           hardcode_direct=unsupported
  288:           # It fails to find uninstalled libraries when the uninstalled
  289:           # path is not listed in the libpath.  Setting hardcode_minus_L
  290:           # to unsupported forces relinking
  291:           hardcode_minus_L=yes
  292:           hardcode_libdir_flag_spec='-L$libdir'
  293:           hardcode_libdir_separator=
  294:         fi
  295:       esac
  296:       shared_flag='-shared'
  297:     else
  298:       # not using gcc
  299:       if test "$host_cpu" = ia64; then
  300:         shared_flag='${wl}-G'
  301:       else
  302:         shared_flag='${wl}-bM:SRE'
  303:       fi
  304:     fi
  305: 
  306:     if test "$host_cpu" = ia64; then
  307:       # On IA64, the linker does run time linking by default, so we don't
  308:       # have to do anything special.
  309:       aix_use_runtimelinking=no
  310:       if test $with_gnu_ld = no; then
  311:         exp_sym_flag='-Bexport'
  312:         no_entry_flag=""
  313:       fi
  314:     else
  315:       # Test if we are trying to use run time linking, or normal AIX style linking.
  316:       # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
  317:       aix_use_runtimelinking=no
  318:       for ld_flag in $LDFLAGS; do
  319:         if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
  320:           aix_use_runtimelinking=yes
  321:           break
  322:         fi
  323:       done
  324:       exp_sym_flag='-bexport'
  325:       no_entry_flag='-bnoentry'
  326:     fi
  327:     # -bexpall does not export symbols beginning with underscore (_)
  328:     always_export_symbols=yes
  329:     if test "$aix_use_runtimelinking" = yes; then
  330:       # Warning - without using the other run time loading flags (-brtl), -berok will
  331:       #           link without error, but may produce a broken library.
  332:       allow_undefined_flag=' ${wl}-berok'
  333:       hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
  334:       archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
  335:     else
  336:       if test "$host_cpu" = ia64; then
  337:         if test $with_gnu_ld = no; then
  338:           hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
  339:           allow_undefined_flag="-z nodefs"
  340:           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"
  341:         fi
  342:       else
  343:         allow_undefined_flag=' ${wl}-berok'
  344:         # -bexpall does not export symbols beginning with underscore (_)
  345:         always_export_symbols=yes
  346:         # Exported symbols can be pulled into shared objects from archives
  347:         whole_archive_flag_spec=' '
  348:         build_libtool_need_lc=yes
  349:         hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
  350:         # This is similar to how AIX traditionally builds it's shared libraries.
  351:         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'
  352:       fi
  353:     fi
  354:   ;;
  355: 
  356:   amigaos*)
  357:     archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)'
  358:     hardcode_libdir_flag_spec='-L$libdir'
  359:     hardcode_minus_L=yes
  360:     # see comment about different semantics on the GNU ld section
  361:     ld_shlibs=no
  362:     ;;
  363: 
  364:   cygwin* | mingw*)
  365:     # When not using gcc, we currently assume that we are using
  366:     # Microsoft Visual C++.
  367:     # hardcode_libdir_flag_spec is actually meaningless, as there is
  368:     # no search path for DLLs.
  369:     hardcode_libdir_flag_spec=' '
  370:     allow_undefined_flag=unsupported
  371:     # Tell ltmain to make .lib files, not .a files.
  372:     libext=lib
  373:     # FIXME: Setting linknames here is a bad hack.
  374:     archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
  375:     # The linker will automatically build a .lib file if we build a DLL.
  376:     old_archive_from_new_cmds='true'
  377:     # FIXME: Should let the user specify the lib program.
  378:     old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
  379:     fix_srcfile_path='`cygpath -w "$srcfile"`'
  380:     ;;
  381: 
  382:   darwin* | rhapsody*)
  383:     case "$host_os" in
  384:     rhapsody* | darwin1.[[012]])
  385:         allow_undefined_flag='-undefined suppress'
  386:         ;;
  387:     *) # Darwin 1.3 on
  388:       if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then
  389:           allow_undefined_flag='-flat_namespace -undefined suppress'
  390:       else
  391:           case ${MACOSX_DEPLOYMENT_TARGET} in
  392:               10.[[012]])
  393:                   allow_undefined_flag='-flat_namespace -undefined suppress'
  394:                   ;;
  395:               10.*)
  396:                   allow_undefined_flag='-undefined dynamic_lookup'
  397:                   ;;
  398:           esac
  399:       fi
  400:       ;;
  401:     esac
  402:     # Disable shared library build on OS-X older than 10.3.
  403:     case $host_os in
  404:         darwin[1-6]*)
  405:             can_build_shared=no
  406:             ;;
  407:         darwin7*)
  408:             can_build_shared=yes
  409:             ;;
  410:     esac
  411:     output_verbose_link_cmd='echo'
  412:     archive_cmds='$CC -r ${wl}-bind_at_load -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring'
  413:     module_cmds='$CC ${wl}-bind_at_load $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags'
  414:       # Don't fix this by using the ld -exported_symbols_list flag, it doesn't exist in older darwin ld's
  415:     archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -r ${wl}-bind_at_load -keep_private_externs -nostdlib -o ${lib}-master.o $libobjs~$CC -dynamiclib $allow_undefined_flag -o $lib ${lib}-master.o $deplibs $compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
  416:     module_expsym_cmds='sed -e "s,#.*,," -e "s,^[    ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag  -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}'
  417:     hardcode_direct=no
  418:     hardcode_automatic=yes
  419:     hardcode_shlibpath_var=unsupported
  420:     whole_archive_flag_spec='-all_load $convenience'
  421:     link_all_deplibs=yes
  422:     ;;
  423: 
  424: 
  425:   freebsd1*)
  426:     ld_shlibs=no
  427:     ;;
  428: 
  429:   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
  430:   # support.  Future versions do this automatically, but an explicit c++rt0.o
  431:   # does not break anything, and helps significantly (at the cost of a little
  432:   # extra space).
  433:   freebsd2.2*)
  434:     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
  435:     hardcode_libdir_flag_spec='-R$libdir'
  436:     hardcode_direct=yes
  437:     hardcode_shlibpath_var=no
  438:     ;;
  439: 
  440:   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
  441:   freebsd2*)
  442:     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
  443:     hardcode_direct=yes
  444:     hardcode_minus_L=yes
  445:     hardcode_shlibpath_var=no
  446:     ;;
  447: 
  448:   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
  449:   freebsd* | kfreebsd*-gnu)
  450:     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
  451:     hardcode_libdir_flag_spec='-R$libdir'
  452:     hardcode_direct=yes
  453:     hardcode_shlibpath_var=no
  454:     ;;
  455: 
  456:   hpux9* | hpux10* | hpux11*)
  457:     case $host_os in
  458:     hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
  459:     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
  460:     esac
  461:     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
  462:     hardcode_libdir_separator=:
  463:     hardcode_direct=yes
  464:     hardcode_minus_L=yes # Not in the search PATH, but as the default
  465:                          # location of the library.
  466:     export_dynamic_flag_spec='${wl}-E'
  467:     ;;
  468: 
  469:   irix5* | irix6*)
  470:     if test "$with_gcc" = yes; then
  471:       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
  472:     else
  473:       archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  474:     fi
  475:     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  476:     hardcode_libdir_separator=:
  477:     link_all_deplibs=yes
  478:     ;;
  479: 
  480:   netbsd* | knetbsd*-gnu)
  481:     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
  482:       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
  483:     else
  484:       archive_cmds='$LD -shared -nodefaultlibs -o $lib $libobjs $deplibs $linker_flags'      # ELF
  485:     fi
  486:     hardcode_libdir_flag_spec='${wl}-R$libdir'
  487:     hardcode_direct=yes
  488:     hardcode_shlibpath_var=no
  489:     ;;
  490: 
  491:   openbsd*)
  492:     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
  493:     hardcode_libdir_flag_spec='-R$libdir'
  494:     hardcode_direct=yes
  495:     hardcode_shlibpath_var=no
  496:     ;;
  497: 
  498:   os2*)
  499:     hardcode_libdir_flag_spec='-L$libdir'
  500:     hardcode_minus_L=yes
  501:     allow_undefined_flag=unsupported
  502:     archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def'
  503:     old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
  504:     ;;
  505: 
  506:   osf3*)
  507:     if test "$with_gcc" = yes; then
  508:       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  509:       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib'
  510:     else
  511:       allow_undefined_flag=' -expect_unresolved \*'
  512:       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  513:     fi
  514:     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  515:     hardcode_libdir_separator=:
  516:     ;;
  517: 
  518:   osf4* | osf5*)        # as osf3* with the addition of -msym flag
  519:     if test "$with_gcc" = yes; then
  520:       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
  521:       archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $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 $lib'
  522:     else
  523:       allow_undefined_flag=' -expect_unresolved \*'
  524:       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
  525:     fi
  526:     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  527:     hardcode_libdir_separator=:
  528:     ;;
  529: 
  530:   sco3.2v5*)
  531:     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
  532:     hardcode_shlibpath_var=no
  533:     runpath_var=LD_RUN_PATH
  534:     hardcode_runpath_var=yes
  535:     ;;
  536: 
  537:   solaris*)
  538:     no_undefined_flag=' ${wl}-z ${wl}defs'
  539:     archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
  540:     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  541:       $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
  542: 
  543:     # Commands to make compiler produce verbose output that lists
  544:     # what "hidden" libraries, object files and flags are used when
  545:     # linking a shared library.
  546:     output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
  547: 
  548:     hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
  549:     hardcode_shlibpath_var=no
  550:     case $host_os in
  551:     solaris2.[0-5] | solaris2.[0-5].*) ;;
  552:     *) # Supported since Solaris 2.6 (maybe 2.5.1?)
  553:       whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;;
  554:     esac
  555:     link_all_deplibs=yes
  556:     ;;
  557: 
  558:   sunos4*)
  559:     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
  560:     hardcode_libdir_flag_spec='-L$libdir'
  561:     hardcode_direct=yes
  562:     hardcode_minus_L=yes
  563:     hardcode_shlibpath_var=no
  564:     ;;
  565: 
  566:   sysv4)
  567:     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
  568:     runpath_var='LD_RUN_PATH'
  569:     hardcode_shlibpath_var=no
  570:     hardcode_direct=no #Motorola manual says yes, but my tests say they lie
  571:     ;;
  572: 
  573:   sysv4.3*)
  574:     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
  575:     hardcode_shlibpath_var=no
  576:     export_dynamic_flag_spec='-Bexport'
  577:     ;;
  578: 
  579:   sysv5*)
  580:     no_undefined_flag=' -z text'
  581:     # $CC -shared without GNU ld will not create a library from C++
  582:     # object files and a static libstdc++, better avoid it by now
  583:     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
  584:     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
  585:                 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
  586:     hardcode_libdir_flag_spec=
  587:     hardcode_shlibpath_var=no
  588:     runpath_var='LD_RUN_PATH'
  589:     ;;
  590: 
  591:   uts4*)
  592:     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
  593:     hardcode_libdir_flag_spec='-L$libdir'
  594:     hardcode_shlibpath_var=no
  595:     ;;