ltcf-gcj.sh

bookcase,by shell script and c++ and perl

      no_entry_flag='-bnoentry'
    fi
    # -bexpall does not export symbols beginning with underscore (_)
    always_export_symbols=yes
    if test "$aix_use_runtimelinking" = yes; then
      # Warning - without using the other run time loading flags (-brtl), -berok will
      #           link without error, but may produce a broken library.
      allow_undefined_flag=' ${wl}-berok'
      hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
      archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols"
    else
      if test "$host_cpu" = ia64; then
        hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib'
        allow_undefined_flag="-z nodefs"
        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"
      else
        allow_undefined_flag=' ${wl}-berok'
        # -bexpall does not export symbols beginning with underscore (_)
        always_export_symbols=yes
        # Exported symbols can be pulled into shared objects from archives
        whole_archive_flag_spec=' '
        build_libtool_need_lc=yes
        hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib'
        # This is similar to how AIX traditionally builds it's shared libraries.
        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'
      fi
    fi
  ;;

  amigaos*)
    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 $output_objdir && a2ixlibrary -32)'
    hardcode_libdir_flag_spec='-L$libdir'
    hardcode_minus_L=yes
    # see comment about different semantics on the GNU ld section
    ld_shlibs=no
    ;;

  cygwin* | mingw*)
    # When not using gcc, we currently assume that we are using
    # Microsoft Visual C++.
    # hardcode_libdir_flag_spec is actually meaningless, as there is
    # no search path for DLLs.
    hardcode_libdir_flag_spec=' '
    allow_undefined_flag=unsupported
    # Tell ltmain to make .lib files, not .a files.
    libext=lib
    # FIXME: Setting linknames here is a bad hack.
    archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
    # The linker will automatically build a .lib file if we build a DLL.
    old_archive_from_new_cmds='true'
    # FIXME: Should let the user specify the lib program.
    old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs'
    fix_srcfile_path='`cygpath -w "$srcfile"`'
    ;;

  freebsd1*)
    ld_shlibs=no
    ;;

  # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
  # support.  Future versions do this automatically, but an explicit c++rt0.o
  # does not break anything, and helps significantly (at the cost of a little
  # extra space).
  freebsd2.2*)
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o'
    hardcode_libdir_flag_spec='-R$libdir'
    hardcode_direct=yes
    hardcode_shlibpath_var=no
    ;;

  # Unfortunately, older versions of FreeBSD 2 do not have this feature.
  freebsd2*)
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
    hardcode_direct=yes
    hardcode_minus_L=yes
    hardcode_shlibpath_var=no
    ;;

  # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
  freebsd*)
    archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags'
    hardcode_libdir_flag_spec='-R$libdir'
    hardcode_direct=yes
    hardcode_shlibpath_var=no
    ;;

  hpux9* | hpux10* | hpux11*)
    case $host_os in
    hpux9*) archive_cmds='$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 $lib' ;;
    *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;;
    esac
    hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
    hardcode_libdir_separator=:
    hardcode_direct=yes
    hardcode_minus_L=yes # Not in the search PATH, but as the default
			 # location of the library.
    export_dynamic_flag_spec='${wl}-E'
    ;;

  irix5* | irix6*)
    if test "$with_gcc" = yes; then
      archive_cmds='$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 $lib'
    else
      archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
    fi
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    hardcode_libdir_separator=:
    link_all_deplibs=yes
    ;;

  netbsd*)
    if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
      archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'  # a.out
    else
      archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags'      # ELF
    fi
    hardcode_libdir_flag_spec='${wl}-R$libdir'
    hardcode_direct=yes
    hardcode_shlibpath_var=no
    ;;

  openbsd*)
    archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
    hardcode_libdir_flag_spec='-R$libdir'
    hardcode_direct=yes
    hardcode_shlibpath_var=no
    ;;

  os2*)
    hardcode_libdir_flag_spec='-L$libdir'
    hardcode_minus_L=yes
    allow_undefined_flag=unsupported
    archive_cmds='$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'
    old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def'
    ;;

  osf3*)
    if test "$with_gcc" = yes; then
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
      archive_cmds='$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 $lib'
    else
      allow_undefined_flag=' -expect_unresolved \*'
      archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib'
    fi
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    hardcode_libdir_separator=:
    ;;

  osf4* | osf5*)	# as osf3* with the addition of -msym flag
    if test "$with_gcc" = yes; then
      allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
      archive_cmds='$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 $lib'
    else
      allow_undefined_flag=' -expect_unresolved \*'
      archive_cmds='$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 $lib'
    fi
    hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
    hardcode_libdir_separator=:
    ;;

  sco3.2v5*)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    hardcode_shlibpath_var=no
    runpath_var=LD_RUN_PATH
    hardcode_runpath_var=yes
    ;;

  solaris*)
    no_undefined_flag=' -z text'
    # $CC -shared without GNU ld will not create a library from C++
    # object files and a static libstdc++, better avoid it by now
    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
    hardcode_libdir_flag_spec='-R$libdir'
    hardcode_shlibpath_var=no
    case $host_os in
    solaris2.[0-5] | solaris2.[0-5].*) ;;
    *) # Supported since Solaris 2.6 (maybe 2.5.1?)
      whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;;
    esac
    link_all_deplibs=yes
    ;;

  sunos4*)
    archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags'
    hardcode_libdir_flag_spec='-L$libdir'
    hardcode_direct=yes
    hardcode_minus_L=yes
    hardcode_shlibpath_var=no
    ;;

  sysv4)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    runpath_var='LD_RUN_PATH'
    hardcode_shlibpath_var=no
    hardcode_direct=no #Motorola manual says yes, but my tests say they lie
    ;;

  sysv4.3*)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    hardcode_shlibpath_var=no
    export_dynamic_flag_spec='-Bexport'
    ;;

  sysv5*)
    no_undefined_flag=' -z text'
    # $CC -shared without GNU ld will not create a library from C++
    # object files and a static libstdc++, better avoid it by now
    archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags'
    archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp'
    hardcode_libdir_flag_spec=
    hardcode_shlibpath_var=no
    runpath_var='LD_RUN_PATH'
    ;;

  uts4*)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    hardcode_libdir_flag_spec='-L$libdir'
    hardcode_shlibpath_var=no
    ;;

  dgux*)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    hardcode_libdir_flag_spec='-L$libdir'
    hardcode_shlibpath_var=no
    ;;

  sysv4*MP*)
    if test -d /usr/nec; then
      archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
      hardcode_shlibpath_var=no
      runpath_var=LD_RUN_PATH
      hardcode_runpath_var=yes
      ld_shlibs=yes
    fi
    ;;

  sysv4.2uw2*)
    archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags'
    hardcode_direct=yes
    hardcode_minus_L=no
    hardcode_shlibpath_var=no
    hardcode_runpath_var=yes
    runpath_var=LD_RUN_PATH
    ;;

  unixware7*)
    archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags'
    runpath_var='LD_RUN_PATH'
    hardcode_shlibpath_var=no
    ;;

  *)
    ld_shlibs=no
    ;;
  esac
fi

## Compiler Characteristics: PIC flags, static flags, etc

# We don't use cached values here since only the C compiler
# characteristics should be cached.
  ac_cv_prog_cc_pic=
  ac_cv_prog_cc_shlib=
  ac_cv_prog_cc_wl=
  ac_cv_prog_cc_static=
  ac_cv_prog_cc_no_builtin=
  ac_cv_prog_cc_can_build_shared=$can_build_shared

    ac_cv_prog_cc_wl='-Wl,'
    ac_cv_prog_cc_static='-static'

    case $host_os in
    beos* | irix5* | irix6* | osf3* | osf4* | osf5*)
      # PIC is the default for these OSes.
      ;;
    aix*)
      # Below there is a dirty hack to force normal static linking with -ldl
      # The problem is because libdl dynamically linked with both libc and
      # libC (AIX C++ library), which obviously doesn't included in libraries
      # list by gcc. This cause undefined symbols with -static flags.
      # This hack allows C programs to be linked with "-static -ldl", but
      # we not sure about C++ programs.
      ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC"
      ;;
    *djgpp*)
      # DJGPP does not suppot shared libraries at all
      ac_cv_prog_cc_pic=
      ;;
    cygwin* | mingw* | os2*)
      # This hack is so that the source file can tell whether it is being
      # built for inclusion in a dll (and should export symbols for example).
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
      ;;
    amigaos*)
      # FIXME: we need at least 68020 code to build shared libraries, but
      # adding the `-m68020' flag to GCC prevents building anything better,
      # like `-m68040'.
      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
      ;;
    sysv4*MP*)
      if test -d /usr/nec; then
	 ac_cv_prog_cc_pic=-Kconform_pic
      fi
      ;;
    *)
      ac_cv_prog_cc_pic='-fPIC'
      ;;
    esac

# GCJ did not exist at the time GCC didn't implicitly link libc in.
need_lc=no

# All existing releases of GCJ support `-c -o'.
lt_cv_compiler_c_o=yes