Ignore:
Timestamp:
Aug 16, 2003, 6:41:03 PM (22 years ago)
Author:
bird
Message:

binutils v2.14 - offical sources.

File:
1 edited

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  • branches/GNU/src/binutils/ltcf-c.sh

    • Property cvs2svn:cvs-rev changed from 1.1 to 1.1.1.2
    r604 r605  
    33# ltcf-c.sh - Create a C compiler specific configuration
    44#
    5 # Copyright (C) 1996-2000 Free Software Foundation, Inc.
     5# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc.
    66# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
    77#
    … …  
    3939
    4040## Linker Characteristics
    41 case "$host_os" in
     41case $host_os in
    4242cygwin* | mingw*)
    4343  # FIXME: the MSVC++ port hasn't been tested in a loooong time
    … …  
    5757
    5858  # See if GNU ld supports shared libraries.
    59   case "$host_os" in
    60   aix3* | aix4*)
    61     # On AIX, the GNU linker is very broken
    62     ld_shlibs=no
    63     cat <<EOF 1>&2
     59  case $host_os in
     60  aix3* | aix4* | aix5*)
     61    # On AIX/PPC, the GNU linker is very broken
     62    if test "$host_cpu" != ia64; then
     63      ld_shlibs=no
     64      cat <<EOF 1>&2
    6465
    6566*** Warning: the GNU linker, at least up to release 2.9.1, is reported
    … …  
    7071
    7172EOF
     73    fi
    7274    ;;
    7375
    … …  
    107109      sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~
    108110      test -f $output_objdir/impgen.exe || (cd $output_objdir && \
    109       if test "x$HOST_CC" != "x" ; then $HOST_CC -o impgen impgen.c ; \
     111      if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \
    110112      else $CC -o impgen impgen.c ; fi)~
    111       $output_objdir/impgen $dir/$soname > $output_objdir/$soname-def'
     113      $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def'
    112114
    113115    old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib'
    … …  
    118120    dll_entry=__cygwin_dll_entry@12
    119121    dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~
    120     case "$host_os" in
     122    case $host_os in
    121123    mingw*)
    122124      # mingw values
    … …  
    149151      sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols'
    150152
     153    # If the export-symbols file already is a .def file (1st line
     154    # is EXPORTS), use it as is.
    151155    # If DATA tags from a recent dlltool are present, honour them!
    152     archive_expsym_cmds='echo EXPORTS > $output_objdir/$soname-def~
    153       _lt_hint=1;
    154       cat $export_symbols | while read symbol; do
    155         set dummy \$symbol;
    156         case \$# in
    157           2) echo "     \$2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
    158           *) echo "     \$2 @ \$_lt_hint \$3 ; " >> $output_objdir/$soname-def;;
    159         esac;
    160         _lt_hint=`expr 1 + \$_lt_hint`;
    161       done~
     156    archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then
     157        cp $export_symbols $output_objdir/$soname-def;
     158      else
     159        echo EXPORTS > $output_objdir/$soname-def;
     160        _lt_hint=1;
     161        cat $export_symbols | while read symbol; do
     162         set dummy \$symbol;
     163         case \[$]# in
     164           2) echo "   \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;;
     165           *) echo "     \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;;
     166         esac;
     167         _lt_hint=`expr 1 + \$_lt_hint`;
     168        done;
     169      fi~
    162170      '"$ltdll_cmds"'
    163       $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
     171      $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~
    164172      $DLLTOOL --as=$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~
    165       $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags~
    166       $DLLTOOL --as=$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~
    167       $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $lib '$ltdll_obj'$libobjs $deplibs $compiler_flags'
     173      $CC -Wl,--base-file,$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~
     174      $DLLTOOL --as=$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~
     175      $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags'
     176    ;;
     177
     178  darwin* | rhapsody*)
     179    allow_undefined_flag='-undefined suppress'
     180    archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`'
     181    # We need to add '_' to the symbols in $export_symbols first
     182    #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols'
     183    hardcode_direct=yes
     184    hardcode_shlibpath_var=no
     185    whole_archive_flag_spec='-all_load $convenience'
    168186    ;;
    169187
    … …  
    173191      wlarc=
    174192    else
    175       archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
    176       archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
     193      archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
     194      archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
    177195    fi
    178196    ;;
    … …  
    237255else
    238256  # PORTME fill in a description of your system's linker (not GNU ld)
    239   case "$host_os" in
     257  case $host_os in
    240258  aix3*)
    241259    allow_undefined_flag=unsupported
    … …  
    252270    ;;
    253271
    254   aix4*)
    255     hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib'
     272  aix4* | aix5*)
     273    hardcode_direct=yes
    256274    hardcode_libdir_separator=':'
     275    link_all_deplibs=yes
     276    # When large executables or shared objects are built, AIX ld can
     277    # have problems creating the table of contents.  If linking a library
     278    # or program results in "error TOC overflow" add -mminimal-toc to
     279    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
     280    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
    257281    if test "$with_gcc" = yes; then
    258       collect2name=`${CC} -print-prog-name=collect2`
    259       if test -f "$collect2name" && \
    260          strings "$collect2name" | grep resolve_lib_name >/dev/null
    261       then
    262         # We have reworked collect2
    263         hardcode_direct=yes
     282      case $host_os in aix4.[012]|aix4.[012].*)
     283      # We only want to do this on AIX 4.2 and lower, the check
     284      # below for broken collect2 doesn't work under 4.3+
     285        collect2name=`${CC} -print-prog-name=collect2`
     286        if test -f "$collect2name" && \
     287           strings "$collect2name" | grep resolve_lib_name >/dev/null
     288        then
     289          # We have reworked collect2
     290          hardcode_direct=yes
     291        else
     292          # We have old collect2
     293          hardcode_direct=unsupported
     294          # It fails to find uninstalled libraries when the uninstalled
     295          # path is not listed in the libpath.  Setting hardcode_minus_L
     296          # to unsupported forces relinking
     297          hardcode_minus_L=yes
     298          hardcode_libdir_flag_spec='-L$libdir'
     299          hardcode_libdir_separator=
     300        fi
     301      esac
     302      shared_flag='-shared'
     303    else
     304      # not using gcc
     305      if test "$host_cpu" = ia64; then
     306        shared_flag='${wl}-G'
    264307      else
    265         # We have old collect2
    266         hardcode_direct=unsupported
    267         # It fails to find uninstalled libraries when the uninstalled
    268         # path is not listed in the libpath.  Setting hardcode_minus_L
    269         # to unsupported forces relinking
    270         hardcode_minus_L=yes
    271         hardcode_libdir_flag_spec='-L$libdir'
    272         hardcode_libdir_separator=
     308        shared_flag='${wl}-bM:SRE'
    273309      fi
    274       shared_flag='-shared'
    275     else
    276       shared_flag='${wl}-bM:SRE'
    277       hardcode_direct=yes
    278     fi
    279     allow_undefined_flag=' ${wl}-berok'
    280     archive_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}'
    281     archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}'
    282     case "$host_os" in aix4.[01]|aix4.[01].*)
    283       # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on
    284       always_export_symbols=yes ;;
    285     esac
    286    ;;
     310    fi
     311
     312    if test "$host_cpu" = ia64; then
     313      # On IA64, the linker does run time linking by default, so we don't
     314      # have to do anything special.
     315      aix_use_runtimelinking=no
     316      if test $with_gnu_ld = no; then
     317        exp_sym_flag='-Bexport'
     318        no_entry_flag=""
     319      fi
     320    else
     321      # Test if we are trying to use run time linking, or normal AIX style linking.
     322      # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
     323      aix_use_runtimelinking=no
     324      for ld_flag in $LDFLAGS; do
     325        if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then
     326          aix_use_runtimelinking=yes
     327          break
     328        fi
     329      done
     330      exp_sym_flag='-bexport'
     331      no_entry_flag='-bnoentry'
     332    fi
     333    # -bexpall does not export symbols beginning with underscore (_)
     334    always_export_symbols=yes
     335    if test "$aix_use_runtimelinking" = yes; then
     336      # Warning - without using the other run time loading flags (-brtl), -berok will
     337      #           link without error, but may produce a broken library.
     338      allow_undefined_flag=' ${wl}-berok'
     339      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
     340      archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
     341    else
     342      if test "$host_cpu" = ia64; then
     343        if test $with_gnu_ld = no; then
     344          hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
     345          allow_undefined_flag="-z nodefs"
     346          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"
     347        fi
     348      else
     349        allow_undefined_flag=' ${wl}-berok'
     350        # -bexpall does not export symbols beginning with underscore (_)
     351        always_export_symbols=yes
     352        # Exported symbols can be pulled into shared objects from archives
     353        whole_archive_flag_spec=' '
     354        build_libtool_need_lc=yes
     355        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
     356        # This is similar to how AIX traditionally builds it's shared libraries.
     357        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'
     358      fi
     359    fi
     360    ;;
    287361
    288362  amigaos*)
    … …  
    309383    # FIXME: Should let the user specify the lib program.
    310384    old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
    311     fix_srcfile_path='`cygpath -w $srcfile`'
     385    fix_srcfile_path='`cygpath -w "$srcfile"`'
    312386    ;;
    313387
    … …  
    344418
    345419  hpux9* | hpux10* | hpux11*)
    346     case "$host_os" in
    347     hpux9*) archive_cmds='$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 $lib' ;;
    348     *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
     420    case "$host_cpu" in
     421    ia64*)
     422      hardcode_direct=no
     423      hardcode_shlibpath_var=no
     424      archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags'
     425      hardcode_libdir_flag_spec='-L$libdir' ;;
     426    *)
     427      if test $with_gcc = yes; then
     428        case "$host_os" in
     429        hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;;
     430        *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;;
     431        esac
     432      else
     433        case $host_os in
     434        hpux9*) archive_cmds='$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 $lib' ;;
     435        *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
     436        esac
     437      fi
     438      hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
     439      hardcode_libdir_separator=:
     440      hardcode_minus_L=yes # Not in the search PATH, but as the default
     441                           # location of the library.
     442      ;;
    349443    esac
    350     hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    351     hardcode_libdir_separator=:
    352     hardcode_direct=yes
    353     hardcode_minus_L=yes # Not in the search PATH, but as the default
    354                          # location of the library.
    355444    export_dynamic_flag_spec='${wl}-E'
     445    hardcode_direct=yes
    356446    ;;
    357447
    … …  
    373463      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
    374464    fi
    375     hardcode_libdir_flag_spec='${wl}-R$libdir'
    376     hardcode_direct=yes
     465    hardcode_libdir_flag_spec='-R$libdir'
     466    hardcode_direct=yes
     467    hardcode_shlibpath_var=no
     468    ;;
     469
     470  newsos6)
     471    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
     472    hardcode_direct=yes
     473    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
     474    hardcode_libdir_separator=:
    377475    hardcode_shlibpath_var=no
    378476    ;;
    … …  
    409507      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
    410508      archive_cmds='$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 $lib'
     509      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    411510    else
    412511      allow_undefined_flag=' -expect_unresolved \*'
    413512      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 $lib'
    414     fi
    415     hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
     513      archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~
     514      $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp'
     515
     516      # cc supports -rpath directly
     517      hardcode_libdir_flag_spec='-rpath $libdir'
     518    fi
    416519    hardcode_libdir_separator=:
    417520    ;;
    … …  
    425528
    426529  solaris*)
    427     no_undefined_flag=' -z text'
    428     # $CC -shared without GNU ld will not create a library from C++
    429     # object files and a static libstdc++, better avoid it by now
    430     archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
    431     archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
    432                 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
     530    no_undefined_flag=' -z defs'
     531    if test "$with_gcc" = yes; then
     532      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
     533      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
     534                  $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp'
     535    else
     536      archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
     537      archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
     538                  $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
     539    fi
    433540    hardcode_libdir_flag_spec='-R$libdir'
    434541    hardcode_shlibpath_var=no
    435     case "$host_os" in
     542    case $host_os in
    436543    solaris2.[0-5] | solaris2.[0-5].*) ;;
    437544    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
    … …  
    505612    ;;
    506613
    507   unixware7*)
    508     archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
     614  sysv5uw7* | unixware7*)
     615    no_undefined_flag='${wl}-z ${wl}text'
     616    if test "$GCC" = yes; then
     617      archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
     618    else
     619      archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags'
     620    fi
    509621    runpath_var='LD_RUN_PATH'
    510622    hardcode_shlibpath_var=no
    … …  
    532644    ac_cv_prog_cc_static='-static'
    533645
    534     case "$host_os" in
    535     beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
    536       # PIC is the default for these OSes.
    537       ;;
     646    case $host_os in
    538647    aix*)
    539       # Below there is a dirty hack to force normal static linking with -ldl
    540       # The problem is because libdl dynamically linked with both libc and
    541       # libC (AIX C++ library), which obviously doesn't included in libraries
    542       # list by gcc. This cause undefined symbols with -static flags.
    543       # This hack allows C programs to be linked with "-static -ldl", but
    544       # we not sure about C++ programs.
    545       ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
    546       ;;
    547     cygwin* | mingw* | os2*)
    548       # This hack is so that the source file can tell whether it is being
    549       # built for inclusion in a dll (and should export symbols for example).
    550       ac_cv_prog_cc_pic='-DDLL_EXPORT'
     648      # All AIX code is PIC.
     649      if test "$host_cpu" = ia64; then
     650        # AIX 5 now supports IA64 processor
     651        lt_cv_prog_cc_static='-Bstatic'
     652      else
     653        lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
     654      fi
    551655      ;;
    552656    amigaos*)
    … …  
    556660      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
    557661      ;;
     662    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
     663      # PIC is the default for these OSes.
     664      ;;
     665    cygwin* | mingw* | os2*)
     666      # This hack is so that the source file can tell whether it is being
     667      # built for inclusion in a dll (and should export symbols for example).
     668      ac_cv_prog_cc_pic='-DDLL_EXPORT'
     669      ;;
     670    darwin* | rhapsody*)
     671      # PIC is the default on this platform
     672      # Common symbols not allowed in MH_DYLIB files
     673      lt_cv_prog_cc_pic='-fno-common'
     674      ;;
     675    *djgpp*)
     676      # DJGPP does not support shared libraries at all
     677      ac_cv_prog_cc_pic=
     678      ;;
    558679    sysv4*MP*)
    559680      if test -d /usr/nec; then
    … …  
    567688  else
    568689    # PORTME Check for PIC flags for the system compiler.
    569     case "$host_os" in
    570     aix3* | aix4*)
     690    case $host_os in
     691    aix*)
    571692     # All AIX code is PIC.
    572       ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
     693      ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
    573694      ;;
    574695
    … …  
    592713      ;;
    593714
     715    newsos6)
     716      ac_cv_prog_cc_pic='-KPIC'
     717      ac_cv_prog_cc_static='-Bstatic'
     718      ;;
     719
    594720    osf3* | osf4* | osf5*)
    595721      # All OSF/1 code is PIC.
    … …  
    639765    esac
    640766  fi
    641   ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
     767  case "$host_os" in
     768      # Platforms which do not suport PIC and -DPIC is meaningless
     769      # on them:
     770      *djgpp*)
     771        ac_cv_prog_cc_pic=
     772        ;;
     773      *)
     774        ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
     775        ;;
     776  esac
    642777fi
    643778
    644779need_lc=yes
    645780if test "$enable_shared" = yes && test "$with_gcc" = yes; then
    646   case "$archive_cmds" in
     781  case $archive_cmds in
    647782  *'~'*)
    648783    # FIXME: we may have to deal with multi-command sequences.
    … …  
    664799        soname=conftest
    665800        lib=conftest
    666         libobjs=conftest.o
     801        libobjs=conftest.$objext
    667802        deplibs=
    668803        wl=$ac_cv_prog_cc_wl
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