ltcf-c.sh

基于4个mips核的noc设计

    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
if test "X${ac_cv_prog_cc_pic+set}" = Xset; then
  :
else
  ac_cv_prog_cc_pic=
  ac_cv_prog_cc_shlib=
  ac_cv_prog_cc_wl=
  ac_cv_prog_cc_static=
  ac_cv_prog_cc_no_builtin=
  ac_cv_prog_cc_can_build_shared=$can_build_shared

  if test "$with_gcc" = yes; then
    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 ${ac_cv_prog_cc_wl}-lC"
      ;;
    cygwin* | mingw* | os2*)
      # This hack is so that the source file can tell whether it is being
      # built for inclusion in a dll (and should export symbols for example).
      ac_cv_prog_cc_pic='-DDLL_EXPORT'
      ;;
    amigaos*)
      # FIXME: we need at least 68020 code to build shared libraries, but
      # adding the `-m68020' flag to GCC prevents building anything better,
      # like `-m68040'.
      ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4'
      ;;
    sysv4*MP*)
      if test -d /usr/nec; then
	 ac_cv_prog_cc_pic=-Kconform_pic
      fi
      ;;
    *)
      ac_cv_prog_cc_pic='-fPIC'
      ;;
    esac
  else
    # PORTME Check for PIC flags for the system compiler.
    case "$host_os" in
    aix3* | aix4*)
     # All AIX code is PIC.
      ac_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp'
      ;;

    hpux9* | hpux10* | hpux11*)
      # Is there a better ac_cv_prog_cc_static that works with the bundled CC?
      ac_cv_prog_cc_wl='-Wl,'
      ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive"
      ac_cv_prog_cc_pic='+Z'
      ;;

    irix5* | irix6*)
      ac_cv_prog_cc_wl='-Wl,'
      ac_cv_prog_cc_static='-non_shared'
      # PIC (with -KPIC) is the default.
      ;;

    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'
      ;;

    osf3* | osf4* | osf5*)
      # All OSF/1 code is PIC.
      ac_cv_prog_cc_wl='-Wl,'
      ac_cv_prog_cc_static='-non_shared'
      ;;

    sco3.2v5*)
      ac_cv_prog_cc_pic='-Kpic'
      ac_cv_prog_cc_static='-dn'
      ac_cv_prog_cc_shlib='-belf'
      ;;

    solaris*)
      ac_cv_prog_cc_pic='-KPIC'
      ac_cv_prog_cc_static='-Bstatic'
      ac_cv_prog_cc_wl='-Wl,'
      ;;

    sunos4*)
      ac_cv_prog_cc_pic='-PIC'
      ac_cv_prog_cc_static='-Bstatic'
      ac_cv_prog_cc_wl='-Qoption ld '
      ;;

    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
      ac_cv_prog_cc_pic='-KPIC'
      ac_cv_prog_cc_static='-Bstatic'
      ac_cv_prog_cc_wl='-Wl,'
      ;;

    uts4*)
      ac_cv_prog_cc_pic='-pic'
      ac_cv_prog_cc_static='-Bstatic'
      ;;

    sysv4*MP*)
      if test -d /usr/nec ;then
	ac_cv_prog_cc_pic='-Kconform_pic'
	ac_cv_prog_cc_static='-Bstatic'
      fi
      ;;

    *)
      ac_cv_prog_cc_can_build_shared=no
      ;;
    esac
  fi
  ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC"
fi

need_lc=yes
if test "$enable_shared" = yes && test "$with_gcc" = yes; then
  case "$archive_cmds" in
  *'~'*)
    # FIXME: we may have to deal with multi-command sequences.
    ;;
  '$CC '*)
    # Test whether the compiler implicitly links with -lc since on some
    # systems, -lgcc has to come before -lc. If gcc already passes -lc
    # to ld, don't add -lc before -lgcc.
    echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6
    if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then
      echo $ac_n "(cached) $ac_c" 1>&6
      need_lc=$ac_cv_archive_cmds_needs_lc
    else
      $rm conftest*
      echo "static int dummy;" > conftest.$ac_ext
      if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then
	# Append any warnings to the config.log.
	cat conftest.err 1>&5
	soname=conftest
	lib=conftest
	libobjs=conftest.o
	deplibs=
	wl=$ac_cv_prog_cc_wl
	compiler_flags=-v
	linker_flags=-v
	verstring=
	output_objdir=.
	libname=conftest
	save_allow_undefined_flag=$allow_undefined_flag
	allow_undefined_flag=
	if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then
	  need_lc=no
	fi
	allow_undefined_flag=$save_allow_undefined_flag
      else
	cat conftest.err 1>&5
      fi
    fi
    $rm conftest*
    echo "$ac_t$need_lc" 1>&6
    ;;
  esac
fi
ac_cv_archive_cmds_needs_lc=$need_lc