libjava/classpath/ltcf-gcj.sh

   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 $convenience'
 421     link_all_deplibs=yes
 422     ;;
 423
 424
 425   # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
 426   # support.  Future versions do this automatically, but an explicit c++rt0.o
 427   # does not break anything, and helps significantly (at the cost of a little
 428   # extra space).
 429   freebsd2.2*)
 430     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
 431     hardcode_libdir_flag_spec='-R$libdir'
 432     hardcode_direct=yes
 433     hardcode_shlibpath_var=no
 434     ;;
 435
 436   # Unfortunately, older versions of FreeBSD 2 do not have this feature.
 437   freebsd2*)
 438     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
 439     hardcode_direct=yes
 440     hardcode_minus_L=yes
 441     hardcode_shlibpath_var=no
 442     ;;
 443
 444   # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
 445   freebsd* | kfreebsd*-gnu)
 446     archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
 447     hardcode_libdir_flag_spec='-R$libdir'
 448     hardcode_direct=yes
 449     hardcode_shlibpath_var=no
 450     ;;
 451
 452   hpux9* | hpux10* | hpux11*)
 453     case $host_os in
 454     hpux9*) archive_cmds='$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 $lib' ;;
 455     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
 456     esac
 457     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
 458     hardcode_libdir_separator=:
 459     hardcode_direct=yes
 460     hardcode_minus_L=yes # Not in the search PATH, but as the default
 461                          # location of the library.
 462     export_dynamic_flag_spec='${wl}-E'
 463     ;;
 464
 465   irix5* | irix6*)
 466     if test "$with_gcc" = yes; then
 467       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 $lib'
 468     else
 469       archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 470     fi
 471     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 472     hardcode_libdir_separator=:
 473     link_all_deplibs=yes
 474     ;;
 475
 476   netbsd* | knetbsd*-gnu)
 477     if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
 478       archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
 479     else
 480       archive_cmds='$LD -shared -nodefaultlibs -o $lib $libobjs $deplibs $linker_flags'      # ELF
 481     fi
 482     hardcode_libdir_flag_spec='${wl}-R$libdir'
 483     hardcode_direct=yes
 484     hardcode_shlibpath_var=no
 485     ;;
 486
 487   openbsd*)
 488     archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
 489     hardcode_libdir_flag_spec='-R$libdir'
 490     hardcode_direct=yes
 491     hardcode_shlibpath_var=no
 492     ;;
 493
 494   os2*)
 495     hardcode_libdir_flag_spec='-L$libdir'
 496     hardcode_minus_L=yes
 497     allow_undefined_flag=unsupported
 498     archive_cmds='$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'
 499     old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
 500     ;;
 501
 502   osf3*)
 503     if test "$with_gcc" = yes; then
 504       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 505       archive_cmds='$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 $lib'
 506     else
 507       allow_undefined_flag=' -expect_unresolved \*'
 508       archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
 509     fi
 510     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 511     hardcode_libdir_separator=:
 512     ;;
 513
 514   osf4* | osf5*)        # as osf3* with the addition of -msym flag
 515     if test "$with_gcc" = yes; then
 516       allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
 517       archive_cmds='$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 $lib'
 518     else
 519       allow_undefined_flag=' -expect_unresolved \*'
 520       archive_cmds='$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 $lib'
 521     fi
 522     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
 523     hardcode_libdir_separator=:
 524     ;;
 525
 526   sco3.2v5*)
 527     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 528     hardcode_shlibpath_var=no
 529     runpath_var=LD_RUN_PATH
 530     hardcode_runpath_var=yes
 531     ;;
 532
 533   solaris*)
 534     no_undefined_flag=' ${wl}-z ${wl}defs'
 535     archive_cmds='$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib'
 536     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 537       $CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp'
 538
 539     # Commands to make compiler produce verbose output that lists
 540     # what "hidden" libraries, object files and flags are used when
 541     # linking a shared library.
 542     output_verbose_link_cmds="$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L\""
 543
 544     hardcode_libdir_flag_spec='${wl}-R $wl$libdir'
 545     hardcode_shlibpath_var=no
 546     case $host_os in
 547     solaris2.[0-5] | solaris2.[0-5].*) ;;
 548     *) # Supported since Solaris 2.6 (maybe 2.5.1?)
 549       whole_archive_flag_spec='${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract' ;;
 550     esac
 551     link_all_deplibs=yes
 552     ;;
 553
 554   sunos4*)
 555     archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
 556     hardcode_libdir_flag_spec='-L$libdir'
 557     hardcode_direct=yes
 558     hardcode_minus_L=yes
 559     hardcode_shlibpath_var=no
 560     ;;
 561
 562   sysv4)
 563     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 564     runpath_var='LD_RUN_PATH'
 565     hardcode_shlibpath_var=no
 566     hardcode_direct=no #Motorola manual says yes, but my tests say they lie
 567     ;;
 568
 569   sysv4.3*)
 570     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 571     hardcode_shlibpath_var=no
 572     export_dynamic_flag_spec='-Bexport'
 573     ;;
 574
 575   sysv5*)
 576     no_undefined_flag=' -z text'
 577     # $CC -shared without GNU ld will not create a library from C++
 578     # object files and a static libstdc++, better avoid it by now
 579     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
 580     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
 581                 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
 582     hardcode_libdir_flag_spec=
 583     hardcode_shlibpath_var=no
 584     runpath_var='LD_RUN_PATH'
 585     ;;
 586
 587   uts4*)
 588     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 589     hardcode_libdir_flag_spec='-L$libdir'
 590     hardcode_shlibpath_var=no
 591     ;;
 592
 593   dgux*)
 594     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 595     hardcode_libdir_flag_spec='-L$libdir'
 596     hardcode_shlibpath_var=no
 597     ;;
 598
 599   sysv4*MP*)
 600     if test -d /usr/nec; then
 601       archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
 602       hardcode_shlibpath_var=no
 603       runpath_var=LD_RUN_PATH
 604       hardcode_runpath_var=yes
 605       ld_shlibs=yes
 606     fi
 607     ;;
 608
 609   sysv4.2uw2*)
 610     archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
 611     hardcode_direct=yes
 612     hardcode_minus_L=no
 613     hardcode_shlibpath_var=no
 614     hardcode_runpath_var=yes
 615     runpath_var=LD_RUN_PATH
 616     ;;
 617
 618   sysv5uw7* | unixware7*)
 619     no_undefined_flag='${wl}-z ${wl}text'
 620     if test "$GCC" = yes; then
 621       archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
 622     else
 623       archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
 624     fi
 625     runpath_var='LD_RUN_PATH'
 626     hardcode_shlibpath_var=no
 627     ;;
 628
 629   *)
 630     ld_shlibs=no
 631     ;;
 632   esac
 633 fi
 634
 635 ## Compiler Characteristics: PIC flags, static flags, etc
 636
 637 # We don't use cached values here since only the C compiler
 638 # characteristics should be cached.
 639   ac_cv_prog_cc_pic=
 640   ac_cv_prog_cc_shlib=
 641   ac_cv_prog_cc_wl=
 642   ac_cv_prog_cc_static=
 643   ac_cv_prog_cc_no_builtin=
 644   ac_cv_prog_cc_can_build_shared=$can_build_shared
 645
 646     ac_cv_prog_cc_wl='-Wl,'
 647     ac_cv_prog_cc_static='-static'
 648
 649     case $host_os in
 650     beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
 651       # PIC is the default for these OSes.
 652       ;;
 653     aix*)
 654       # Below there is a dirty hack to force normal static linking with -ldl
 655       # The problem is because libdl dynamically linked with both libc and
 656       # libC (AIX C++ library), which obviously doesn't included in libraries
 657       # list by gcc. This cause undefined symbols with -static flags.
 658       # This hack allows C programs to be linked with "-static -ldl", but
 659       # we not sure about C++ programs.
 660       ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
 661       ;;
 662     *djgpp*)
 663       # DJGPP does not suppot shared libraries at all
 664       ac_cv_prog_cc_pic=
 665       ;;
 666     cygwin* | mingw* | os2*)
 667       # This hack is so that the source file can tell whether it is being
 668       # built for inclusion in a dll (and should export symbols for example).
 669       ac_cv_prog_cc_pic='-DDLL_EXPORT'
 670       ;;
 671
 672     darwin* | rhapsody*)
 673       # PIC is the default on this platform
 674       # Common symbols not allowed in MH_DYLIB files
 675       ac_cv_prog_cc_pic='-fno-common'
 676       ;;
 677     amigaos*)
 678       # FIXME: we need at least 68020 code to build shared libraries, but
 679       # adding the `-m68020' flag to GCC prevents building anything better,
 680       # like `-m68040'.
 681       ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
 682       ;;
 683     sysv4*MP*)
 684       if test -d /usr/nec; then
 685          ac_cv_prog_cc_pic=-Kconform_pic
 686       fi
 687       ;;
 688     *)
 689       ac_cv_prog_cc_pic='-fPIC'
 690       ;;
 691     esac
 692
 693 # GCJ did not exist at the time GCC didn't implicitly link libc in.
 694 need_lc=no
 695
 696 # All existing releases of GCJ support `-c -o'.
 697 lt_cv_compiler_c_o=yes