#### This script is meant to be sourced by ltconfig.

# ltcf-cxx.sh - Create a C++ compiler specific configuration
#
# Copyright (C) 1996-1999, 2000, 2001, 2003 Free Software Foundation, Inc.
# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
#
# Original C++ support by:Gary V. Vaughan <gvv@techie.com>
#    Alexandre Oliva <oliva@lsd.ic.unicamp.br>
#    Ossama Othman <ossama@debian.org>
#    Thomas Thanner <tanner@gmx.de>
#
# This file is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
# As a special exception to the GNU General Public License, if you
# distribute this file as part of a program that contains a
# configuration script generated by Autoconf, you may include it under
# the same distribution terms that you use for the rest of that program.


# Source file extension for C++ test sources.
setglobal ac_ext = 'cc'

# Object file extension for compiled C++ test sources.
setglobal objext = 'o'

# Code to be used in simple compile tests
setglobal lt_simple_compile_test_code = '"int some_variable = 0;'"

# Code to be used in simple link tests
setglobal lt_simple_link_test_code = ''int main(int, char *[]) { return (0); }''

# C++ compiler
setglobal CXX = $(CXX-c++)

# ltmain only uses $CC for tagged configurations so make sure $CC is set.
setglobal CC = $(CC-"$CXX")
setglobal CFLAGS = $(CFLAGS-"$CXXFLAGS")

# Allow CC to be a program name with arguments.
set dummy $CC
setglobal compiler = $2
setglobal cc_basename = $[$echo X"$compiler" | $Xsed -e 's%^.*/%%]

# Check if we are using GNU gcc  (taken/adapted from configure script)
# We need to check here since "--with-gcc" is set at configure time,
# not ltconfig time!
cat > conftest.$ac_ext << """
#ifdef __GNUC__
  yes;
#endif
"""
if do { setglobal ac_try = ''${CC-c++} -E conftest.$ac_ext''; do { shell {eval echo '"'$ac_try'"'} 1>&5; shell {eval $ac_try} 2>&5; }; } | egrep yes >/dev/null !2 > !1 {
  setglobal with_gcc = 'yes'

  # Set up default GNU C++ configuration

  # Check if GNU C++ uses GNU ld as the underlying linker, since the
  # archiving commands below assume that GNU ld is being used.  The
  # assumption here is that the linker is going to be the same as that
  # used by the C compiler.  For the purposes of GCC, this is ok, but
  # if someone uses g++ along with a non-GNU C compiler that doesn't
  # use GNU ld, we may lose.  This is ok for the toolchain tree, since
  # the only users of ltcf-cxx.sh are libstdc++-v3 and libjava,
  # anyway, and those use both gcc and g++, so the settings are bound
  # to be the same.

  if test $with_gnu_ld = yes {
    setglobal archive_cmds = ''$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib''
    setglobal archive_expsym_cmds = ''$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib''

    setglobal hardcode_libdir_flag_spec = ''${wl}--rpath ${wl}$libdir''
    setglobal export_dynamic_flag_spec = ''${wl}--export-dynamic''

    # If archive_cmds runs LD, not CC, wlarc should be empty
    # XXX I think wlarc can be eliminated in ltcf-cxx, but I need to
    #     investigate it a little bit more. (MM)
    setglobal wlarc = ''${wl}''

    # ancient GNU ld didn't support --whole-archive et. al.
    if eval "$[$CC -print-prog-name=ld] --help 2>&1" | \
        egrep 'no-whole-archive' > /dev/null {
      setglobal whole_archive_flag_spec = ""$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive"'
    } else {
      setglobal whole_archive_flag_spec = ''
    }
  } else {
    setglobal wlarc = ''

    # A generic and very simple default shared library creation
    # command for GNU C++ for the case where it uses the native
    # linker, instead of GNU ld.  If possible, this setting should
    # overridden to take advantage of the native linker features on
    # the platform it is being used on.
    setglobal archive_cmds = ''$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -o $lib''
  }

  # Commands to make compiler produce verbose output that lists
  # what "hidden" libraries, object files and flags are used when
  # linking a shared library.
  setglobal output_verbose_link_cmd = ''$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"''

} else {
  setglobal with_gcc = 'no'
  setglobal wlarc = ''
}

# PORTME: fill in a description of your system's C++ link characteristics
match $host_os {
  with aix3*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with aix4* | aix5*
    setglobal archive_cmds = ''''
    setglobal hardcode_direct = 'yes'
    setglobal hardcode_libdir_separator = '':''
    setglobal link_all_deplibs = 'yes'
    # When large executables or shared objects are built, AIX ld can
    # have problems creating the table of contents.  If linking a library
    # or program results in "error TOC overflow" add -mminimal-toc to
    # CXXFLAGS/CFLAGS for g++/gcc.  In the cases where that is not
    # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS.
    if test $with_gcc = yes {
      match $host_os { with aix4.[012]|aix4.[012].*
      # We only want to do this on AIX 4.2 and lower, the check
      # below for broken collect2 doesn't work under 4.3+
        setglobal collect2name = $[$(CC) -print-prog-name=collect2]
        if test -f $collect2name && \
	   strings $collect2name | grep resolve_lib_name >/dev/null
        {
	  # We have reworked collect2
	  setglobal hardcode_direct = 'yes'
        } else {
	  # We have old collect2
	  setglobal hardcode_direct = 'unsupported'
	  # It fails to find uninstalled libraries when the uninstalled
	  # path is not listed in the libpath.  Setting hardcode_minus_L
	  # to unsupported forces relinking
	  setglobal hardcode_minus_L = 'yes'
	  setglobal hardcode_libdir_flag_spec = ''-L$libdir''
	  setglobal hardcode_libdir_separator = ''
        }
      }
      setglobal shared_flag = ''-shared''
    } else {
      # not using gcc
      if test $host_cpu = ia64 {
        setglobal shared_flag = ''${wl}-G''
      } else {
        setglobal shared_flag = ''${wl}-bM:SRE''
      }
    }

    if test $host_cpu = ia64 {
      # On IA64, the linker does run time linking by default, so we don't
      # have to do anything special.
      setglobal aix_use_runtimelinking = 'no'
      if test $with_gnu_ld = no {
        setglobal exp_sym_flag = ''-Bexport''
        setglobal no_entry_flag = ''""
      }
    } else {
      # Test if we are trying to use run time linking, or normal AIX style linking.
      # If -brtl is somewhere in LDFLAGS, we need to do run time linking.
      setglobal aix_use_runtimelinking = 'no'
      for ld_flag in [$LDFLAGS] {
        if shell {test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" } {
          setglobal aix_use_runtimelinking = 'yes'
          break
        }
      }
      setglobal exp_sym_flag = ''-bexport''
      setglobal no_entry_flag = ''-bnoentry''
    }
    # It seems that -bexpall does not export symbols beginning with
    # underscore (_), so it is better to generate a list of symbols to export.
    setglobal always_export_symbols = 'yes'
    if test $aix_use_runtimelinking = yes {
      setglobal hardcode_libdir_flag_spec = ''${wl}-blibpath:$libdir:/usr/lib:/lib''
      setglobal allow_undefined_flag = '' -Wl,-G''
      setglobal archive_expsym_cmds = ""\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}-brtl \${wl}$exp_sym_flag:\$export_symbols""
     } else {
      if test $host_cpu = ia64 {
        if test $with_gnu_ld = no {
          setglobal hardcode_libdir_flag_spec = ''${wl}-R $libdir:/usr/lib:/lib''
          setglobal allow_undefined_flag = '"-z nodefs'"
          setglobal 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 {
        setglobal hardcode_libdir_flag_spec = ''${wl}-blibpath:$libdir:/usr/lib:/lib''
        # Warning - without using the other run time loading flags, -berok will
        #           link without error, but may produce a broken library.
        setglobal no_undefined_flag = '' ${wl}-bnoerok''
        setglobal allow_undefined_flag = '' ${wl}-berok''
        # -bexpall does not export symbols beginning with underscore (_)
        setglobal always_export_symbols = 'yes'
        # Exported symbols can be pulled into shared objects from archives
        setglobal whole_archive_flag_spec = '' ''
        setglobal build_libtool_need_lc = 'yes'
        # This is similar to how AIX traditionally builds it's shared libraries.
        setglobal 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"'
      }
    }
    
  with chorus*
    match $cc_basename {
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with dgux*
    match $cc_basename {
      with ec++
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with ghcx
        # Green Hills C++ Compiler
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with freebsd[12]*
    # C++ shared libraries reported to be fairly broken before switch to ELF
    setglobal ld_shlibs = 'no'
    
  with freebsd*
    # FreeBSD 3 and later use GNU C++ and GNU ld with standard ELF
    # conventions
    setglobal ld_shlibs = 'yes'
    
  with gnu*
    
  with hpux*
    if test $with_gnu_ld = no {
      match $host_cpu {
	with ia64*
	  setglobal hardcode_libdir_flag_spec = ''-L$libdir''
	  setglobal hardcode_shlibpath_var = 'no' 
	with *
	  setglobal hardcode_libdir_flag_spec = ''${wl}+b ${wl}$libdir'' 
      }
      setglobal hardcode_direct = 'yes'
      setglobal hardcode_libdir_separator = ':'
      setglobal export_dynamic_flag_spec = ''${wl}-E''
    }
    setglobal hardcode_minus_L = 'yes' # Not in the search PATH, but as the default
			 # location of the library.

    match $cc_basename {
      with CC
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with aCC
	match $host_os {
	with hpux9* setglobal archive_cmds = ''$rm $output_objdir/$soname~$CC -b ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'' 
	with * setglobal archive_cmds = ''$CC -b ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'' 
	}
        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`($CC -b $CFLAGS -v conftest.$objext 2>&1) | egrep "\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''
        
      with *
        if test $with_gcc = yes {
	  if test $with_gnu_ld = no {
	    match $host_os {
	    with hpux9* setglobal archive_cmds = ''$rm $output_objdir/$soname~$CC -shared -nostdlib -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib'' 
	    with *
	      match $host_cpu {
		with ia64*
		  setglobal archive_cmds = ''$LD -b +h $soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $linker_flags'' 
		with *
		  setglobal archive_cmds = ''$CC -shared -nostdlib -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags'' 
	      }
	      
	    }
	  }
	} else {
	  # FIXME: insert proper C++ library support
          setglobal ld_shlibs = 'no'
	}
        
    }
    
  with irix5* | irix6*
    match $cc_basename {
      with CC
        # SGI C++
        setglobal archive_cmds = ''$CC -shared -all -multigot $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib''

	# Archives containing C++ object files must be created using
	# "CC -ar", where "CC" is the IRIX C++ compiler.  This is
	# necessary to make sure instantiated templates are included
	# in the archive.
	setglobal old_archive_cmds = ''$CC -ar -WR,-u -o $oldlib $oldobjs''
	
      with *
        if test $with_gcc = yes {
          if test $with_gnu_ld = no {
            setglobal archive_cmds = ''$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib''
          } else {
            setglobal archive_cmds = ''$CC -shared -nostdlib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib''
          }
        }
        setglobal hardcode_libdir_flag_spec = ''${wl}-rpath ${wl}$libdir''
        setglobal hardcode_libdir_separator = ':'
        setglobal link_all_deplibs = 'yes'
        
    }
    
  with linux*
    match $cc_basename {
      with KCC
        # Kuck and Associates, Inc. (KAI) C++ Compiler

        # KCC will only create a shared library if the output file
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
        # to its proper name (with version) after linking.
        setglobal archive_cmds = ''templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib''
        setglobal archive_expsym_cmds = ''templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib ${wl}-retain-symbols-file,$export_symbols; mv \$templib $lib''

        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`$CC $CFLAGS -v conftest.$objext -o libconftest.so 2>&1 | egrep "ld"`; rm -f libconftest.so; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''

        setglobal hardcode_libdir_flag_spec = ''${wl}--rpath,$libdir''
        setglobal export_dynamic_flag_spec = ''${wl}--export-dynamic''

	# Archives containing C++ object files must be created using
	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
        setglobal old_archive_cmds = ''$CC -Bstatic -o $oldlib $oldobjs''
        
      with cxx
        # Compaq C++
        setglobal archive_cmds = ''$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname -o $lib''
        setglobal archive_expsym_cmds = ''$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $wl$soname  -o $lib ${wl}-retain-symbols-file $wl$export_symbols''

        setglobal runpath_var = 'LD_RUN_PATH'
        setglobal hardcode_libdir_flag_spec = ''-rpath $libdir''
        setglobal hardcode_libdir_separator = ':'

        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld .*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''
        
    }
    
  with lynxos*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with m88k*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with mvs*
    match $cc_basename {
      with cxx
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with netbsd*
    # NetBSD uses g++ - do we need to do anything?
    
  with osf3*
    match $cc_basename {
      with KCC
        # Kuck and Associates, Inc. (KAI) C++ Compiler

        # KCC will only create a shared library if the output file
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
        # to its proper name (with version) after linking.
        setglobal archive_cmds = ''templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib''

        setglobal hardcode_libdir_flag_spec = ''${wl}-rpath,$libdir''
        setglobal hardcode_libdir_separator = ':'

	# Archives containing C++ object files must be created using
	# "CC -Bstatic", where "CC" is the KAI C++ compiler.
        setglobal old_archive_cmds = ''$CC -Bstatic -o $oldlib $oldobjs''

        
      with RCC
        # Rational C++ 2.4.1
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with cxx
        setglobal allow_undefined_flag = '' ${wl}-expect_unresolved ${wl}\*''
        setglobal archive_cmds = ''$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname $soname `test -n "$verstring" && echo ${wl}-set_version $verstring` -update_registry ${objdir}/so_locations -o $lib''

        setglobal hardcode_libdir_flag_spec = ''${wl}-rpath ${wl}$libdir''
        setglobal hardcode_libdir_separator = ':'

        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''
        
      with *
	if test $with_gcc = yes && test $with_gnu_ld = no {
	  setglobal allow_undefined_flag = '' ${wl}-expect_unresolved ${wl}\*''
	  setglobal archive_cmds = ''$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib''

	  setglobal hardcode_libdir_flag_spec = ''${wl}-rpath ${wl}$libdir''
	  setglobal hardcode_libdir_separator = ':'

	  # Commands to make compiler produce verbose output that lists
	  # what "hidden" libraries, object files and flags are used when
	  # linking a shared library.
	  setglobal output_verbose_link_cmd = ''$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"''
    } else {
          # FIXME: insert proper C++ library support
          setglobal ld_shlibs = 'no'
    }
        
    }
    
  with osf4* | osf5*
    match $cc_basename {
      with KCC
        # Kuck and Associates, Inc. (KAI) C++ Compiler

        # KCC will only create a shared library if the output file
        # ends with ".so" (or ".sl" for HP-UX), so rename the library
        # to its proper name (with version) after linking.
        setglobal archive_cmds = ''templib=`echo $lib | sed -e "s/\.so\..*/\.so/"`; $CC $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags --soname $soname -o \$templib; mv \$templib $lib''

        setglobal hardcode_libdir_flag_spec = ''${wl}-rpath,$libdir''
        setglobal hardcode_libdir_separator = ':'

	# Archives containing C++ object files must be created using
	# the KAI C++ compiler.
        setglobal old_archive_cmds = ''$CC -o $oldlib $oldobjs''
        
      with RCC
        # Rational C++ 2.4.1
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with cxx
        setglobal allow_undefined_flag = '' -expect_unresolved \*''
        setglobal archive_cmds = ''$CC -shared${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib''
	setglobal archive_expsym_cmds = ''for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done~
	  echo "-hidden">> $lib.exp~
	  $CC -shared$allow_undefined_flag $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags -msym -soname $soname -Wl,-input -Wl,$lib.exp  `test -n "$verstring" && echo -set_version	$verstring` -update_registry $objdir/so_locations -o $lib~
	  $rm $lib.exp''

        setglobal hardcode_libdir_flag_spec = ''-rpath $libdir''
        setglobal hardcode_libdir_separator = ':'

        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`$CC -shared $CFLAGS -v conftest.$objext 2>&1 | grep "ld" | grep -v "ld:"`; templist=`echo $templist | sed "s/\(^.*ld.*\)\( .*ld.*$\)/\1/"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''
        
      with *
	if test $with_gcc = yes && test $with_gnu_ld = no {
	  setglobal allow_undefined_flag = '' ${wl}-expect_unresolved ${wl}\*''
	  setglobal archive_cmds = ''$CC -shared -nostdlib ${allow_undefined_flag} $predep_objects $libobjs $deplibs $postdep_objects $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''
	  
	  setglobal hardcode_libdir_flag_spec = ''${wl}-rpath ${wl}$libdir''
	  setglobal hardcode_libdir_separator = ':'
	  
	  # Commands to make compiler produce verbose output that lists
	  # what "hidden" libraries, object files and flags are used when
	  # linking a shared library.
	  setglobal output_verbose_link_cmd = ''$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep "\-L"''
    } else {
	  # FIXME: insert proper C++ library support
	  setglobal ld_shlibs = 'no'
    }
        
    }
    
  with psos*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with sco*
    match $cc_basename {
      with CC
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with sunos4*
    match $cc_basename {
      with CC
        # Sun C++ 4.x
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with lcc
        # Lucid
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with solaris*
    match $cc_basename {
      with CC
	# Sun C++ 4.2, 5.x and Centerline C++
        setglobal no_undefined_flag = '' -zdefs''
        setglobal archive_cmds = ''$CC -G${allow_undefined_flag} -nolib -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags''
        setglobal archive_expsym_cmds = ''$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
        $CC -G${allow_undefined_flag} -nolib ${wl}-M ${wl}$lib.exp -h$soname -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp''

        setglobal hardcode_libdir_flag_spec = ''-R$libdir''
        setglobal hardcode_shlibpath_var = 'no'
        match $host_os {
          with solaris2.[0-5] | solaris2.[0-5].* 
          with *
            # The C++ compiler is used as linker so we must use $wl
            # flag to pass the commands to the underlying system
            # linker.
            # Supported since Solaris 2.6 (maybe 2.5.1?)
            setglobal whole_archive_flag_spec = ''${wl}-z ${wl}allextract$convenience ${wl}-z ${wl}defaultextract''
            
        }
        setglobal link_all_deplibs = 'yes'

        # Commands to make compiler produce verbose output that lists
        # what "hidden" libraries, object files and flags are used when
        # linking a shared library.
        #
        # There doesn't appear to be a way to prevent this compiler from
        # explicitly linking system object files so we need to strip them
        # from the output so that they don't get included in the library
        # dependencies.
        setglobal output_verbose_link_cmd = ''templist=`$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep "\-R|\-L"`; list=""; for z in $templist; do case $z in conftest.$objext) list="$list $z";; *.$objext);; *) list="$list $z";;esac; done; echo $list''

	# Archives containing C++ object files must be created using
	# "CC -xar", where "CC" is the Sun C++ compiler.  This is
        # necessary to make sure instantiated templates are included
        # in the archive.
        setglobal old_archive_cmds = ''$CC -xar -o $oldlib $oldobjs''
        
      with gcx
        # Green Hills C++ Compiler
        setglobal archive_cmds = ''$CC -shared $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib''

        # The C++ compiler must be used to create the archive.
        setglobal old_archive_cmds = ''$CC $LDFLAGS -archive -o $oldlib $oldobjs''
        
      with *
        # GNU C++ compiler with Solaris linker
        if test $with_gcc = yes && test $with_gnu_ld = no {
	  setglobal no_undefined_flag = '' ${wl}-z ${wl}defs''
          if $CC --version | egrep -v '^2\.7' > /dev/null {
            setglobal archive_cmds = ''$CC -shared -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib''
            setglobal archive_expsym_cmds = ''$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$CC -shared -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp''

            # Commands to make compiler produce verbose output that lists
            # what "hidden" libraries, object files and flags are used when
            # linking a shared library.
            setglobal output_verbose_link_cmd = ""$CC -shared $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L"\""
          } else {
            # g++ 2.7 appears to require `-G' NOT `-shared' on this
            # platform.
            setglobal archive_cmds = ''$CC -G -nostdlib $LDFLAGS $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags ${wl}-h $wl$soname -o $lib''
            setglobal archive_expsym_cmds = ''$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
		$CC -G -nostdlib ${wl}-M $wl$lib.exp -o $lib $predep_objects $libobjs $deplibs $postdep_objects $compiler_flags~$rm $lib.exp''

            # Commands to make compiler produce verbose output that lists
            # what "hidden" libraries, object files and flags are used when
            # linking a shared library.
            setglobal output_verbose_link_cmd = ""$CC -G $CFLAGS -v conftest.$objext 2>&1 | egrep \"\-L"\""
          }

          setglobal hardcode_libdir_flag_spec = ''${wl}-R $wl$libdir''
        }
        
    }
    
  with tandem*
    match $cc_basename {
      with NCC
        # NonStop-UX NCC 3.20
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
      with *
        # FIXME: insert proper C++ library support
        setglobal ld_shlibs = 'no'
        
    }
    
  with unixware*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with vxworks*
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
  with *
    # FIXME: insert proper C++ library support
    setglobal ld_shlibs = 'no'
    
}


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

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

setglobal ac_cv_prog_cc_pic_works = ''
setglobal ac_cv_prog_cc_static_works = ''

if test $with_gcc = yes {
  setglobal ac_cv_prog_cc_wl = ''-Wl,''
  setglobal ac_cv_prog_cc_static = ''-static''

  match $host_os {
  with aix*
    # All AIX code is PIC.
    if test $host_cpu = ia64 {
      # AIX 5 now supports IA64 processor
      setglobal lt_cv_prog_cc_static = ''-Bstatic''
    } else {
      setglobal lt_cv_prog_cc_static = ''-bnso -bI:/lib/syscalls.exp''
    }
    
  with 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'.
    setglobal ac_cv_prog_cc_pic = ''-m68020 -resident32 -malways-restore-a4''
    
  with beos* | irix5* | irix6* | osf3* | osf4* | osf5*
    # PIC is the default for these OSes.
    
  with 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).
    setglobal ac_cv_prog_cc_pic = ''-DDLL_EXPORT''
    
  with darwin* | rhapsody*
    # PIC is the default on this platform
    # Common symbols not allowed in MH_DYLIB files
    setglobal lt_cv_prog_cc_pic = ''-fno-common''
    
  with *djgpp*
    # DJGPP does not support shared libraries at all
    setglobal ac_cv_prog_cc_pic = ''
    
  with sysv4*MP*
    if test -d /usr/nec {
      setglobal ac_cv_prog_cc_pic = '-Kconform_pic'
    }
    
  with *
    setglobal ac_cv_prog_cc_pic = ''-fPIC''
    
  }
} else {
  match $host_os {
    with aix4* | aix5*
      # All AIX code is PIC.
      if test $host_cpu = ia64 {
        # AIX 5 now supports IA64 processor
        setglobal lt_cv_prog_cc_static = ''-Bstatic''
      } else {
        setglobal lt_cv_prog_cc_static = ''-bnso -bI:/lib/syscalls.exp''
      }
      
    with chorus*
      match $cc_basename {
      with cxch68
        # Green Hills C++ Compiler
        # ac_cv_prog_cc_static="--no_auto_instantiation -u __main -u __premain -u _abort -r $COOL_DIR/lib/libOrb.a $MVME_DIR/lib/CC/libC.a $MVME_DIR/lib/classix/libcx.s.a"
        
      }
      
    with dgux*
      match $cc_basename {
        with ec++
          setglobal ac_cv_prog_cc_pic = ''-KPIC''
          
        with ghcx
          # Green Hills C++ Compiler
          setglobal ac_cv_prog_cc_pic = ''-pic''
          
        with *
          
      }
      
    with freebsd*
      # FreeBSD uses GNU C++
      
    with gnu*
      
    with hpux9* | hpux10* | hpux11*
      match $cc_basename {
        with CC
          setglobal ac_cv_prog_cc_wl = ''-Wl,''
          setglobal ac_cv_prog_cc_static = ""$(ac_cv_prog_cc_wl)-a $(ac_cv_prog_cc_wl)archive""
          setglobal ac_cv_prog_cc_pic = ''+Z''
          
        with aCC
          setglobal ac_cv_prog_cc_wl = ''-Wl,''
          setglobal ac_cv_prog_cc_static = ""$(ac_cv_prog_cc_wl)-a $(ac_cv_prog_cc_wl)archive""
          setglobal ac_cv_prog_cc_pic = ''+Z''
          
        with *
          
      }
      
    with irix5* | irix6*
      match $cc_basename {
        with CC
          setglobal ac_cv_prog_cc_wl = ''-Wl,''
          setglobal ac_cv_prog_cc_static = ''-non_shared''
          setglobal ac_cv_prog_cc_pic = ''-KPIC''
          
        with *
          
      }
      
    with linux*
      match $cc_basename {
        with KCC
          # KAI C++ Compiler
          setglobal ac_cv_prog_cc_wl = ''--backend -Wl,''
          setglobal ac_cv_prog_cc_pic = ''-fPIC''
          
        with cxx
          # Compaq C++
          # Make sure the PIC flag is empty.  It appears that all Alpha
          # Linux and Compaq Tru64 Unix objects are PIC.
          setglobal ac_cv_prog_cc_pic = ''
          setglobal ac_cv_prog_cc_static = ''-non_shared''
          
        with *
          
      }
      
    with lynxos*
      
    with m88k*
      
    with mvs*
      match $cc_basename {
        with cxx
          setglobal ac_cv_prog_cc_pic = ''-W c,exportall''
          
        with *
          
      }
      
    with netbsd*
      
    with osf3* | osf4* | osf5*
      match $cc_basename {
        with KCC
          setglobal ac_cv_prog_cc_wl = ''--backend -Wl,''
          
        with RCC
          # Rational C++ 2.4.1
          setglobal ac_cv_prog_cc_pic = ''-pic''
          
        with cxx
          # Digital/Compaq C++
          setglobal ac_cv_prog_cc_wl = ''-Wl,''
          # Make sure the PIC flag is empty.  It appears that all Alpha
          # Linux and Compaq Tru64 Unix objects are PIC.
          setglobal ac_cv_prog_cc_pic = ''
          setglobal ac_cv_prog_cc_static = ''-non_shared''
          
        with *
          
      }
      
    with psos*
      
    with sco*
      match $cc_basename {
        with CC
          setglobal ac_cv_prog_cc_pic = ''-fPIC''
          
        with *
          
      }
      
    with solaris*
      match $cc_basename {
        with CC
          # Sun C++ 4.2, 5.x and Centerline C++
          setglobal ac_cv_prog_cc_pic = ''-KPIC''
          setglobal ac_cv_prog_cc_static = ''-Bstatic''
          setglobal ac_cv_prog_cc_wl = ''-Qoption ld ''
          
        with gcx
          # Green Hills C++ Compiler
          setglobal ac_cv_prog_cc_pic = ''-PIC''
          
        with *
          
      }
      
    with sunos4*
      match $cc_basename {
        with CC
          # Sun C++ 4.x
          setglobal ac_cv_prog_cc_pic = ''-pic''
          setglobal ac_cv_prog_cc_static = ''-Bstatic''
          
        with lcc
          # Lucid
          setglobal ac_cv_prog_cc_pic = ''-pic''
          
        with *
          
      }
      
    with tandem*
      match $cc_basename {
        with NCC
          # NonStop-UX NCC 3.20
          setglobal ac_cv_prog_cc_pic = ''-KPIC''
          
        with *
          
      }
      
    with unixware*
      
    with vxworks*
      
    with *
      setglobal ac_cv_prog_cc_can_build_shared = 'no'
      
  }
}

match $host_os {
    # Platforms which do not suport PIC and -DPIC is meaningless
    # on them:
    with *djgpp*
      setglobal ac_cv_prog_cc_pic = ''
      
    with *
      setglobal ac_cv_prog_cc_pic = ""$ac_cv_prog_cc_pic -DPIC""
      
}


# Figure out "hidden" C++ library dependencies from verbose
# compiler output whening linking a shared library.
cat > conftest.$ac_ext << """
class Foo
{
public:
  Foo (void) { a = 0; }
private:
  int a;
};
"""


if shell {eval $ac_compile} 2>&5 {
  # Parse the compiler output and extract the necessary
  # objects, libraries and library flags.

  # Sentinel used to keep track of whether or not we are before
  # the conftest object file.
  setglobal pre_test_object_deps_done = 'no'

  for p in [$[eval $output_verbose_link_cmd]] {

    match $p {

    with -L* | -R* | -l*
       # Some compilers place space between "-{L,R}" and the path.
       # Remove the space.
       if test $p = "-L" \
          || test $p = "-R" {
         setglobal prev = $p
         continue
       } else {
         setglobal prev = ''
       }

       if test $pre_test_object_deps_done = no {
         match $p {
	 with -L* | -R*
	   # Internal compiler library paths should come after those
	   # provided the user.  The postdeps already come after the
	   # user supplied libs so there is no need to process them.
           if test -z $compiler_lib_search_path {
             setglobal compiler_lib_search_path = ""$(prev)$(p)""
           } else {
             setglobal compiler_lib_search_path = ""$(compiler_lib_search_path) $(prev)$(p)""
           }
           
         # The "-l" case would never come before the object being
         # linked, so don't bother handling this case.
         }
       } else {
         if test -z $postdeps {
           setglobal postdeps = ""$(prev)$(p)""
         } else {
           setglobal postdeps = ""$(postdeps) $(prev)$(p)""
         }
       }
       

    with *.$objext
       # This assumes that the test object file only shows up
       # once in the compiler output.
       if test $p = "conftest.$objext" {
         setglobal pre_test_object_deps_done = 'yes'
         continue
       }

       if test $pre_test_object_deps_done = no {
         if test -z $predep_objects {
           setglobal predep_objects = $p
         } else {
           setglobal predep_objects = ""$predep_objects $p""
         }
       } else {
         if test -z $postdep_objects {
           setglobal postdep_objects = $p
         } else {
           setglobal postdep_objects = ""$postdep_objects $p""
         }
       }
       

    with *  # Ignore the rest.

    }
  }

  # Clean up.
  rm -f a.out
} else {
  echo "ltcf-cxx.sh: error: problem compiling test program"
}

$rm -f confest.$objext

match " $postdeps " {
with *" -lc "* setglobal need_lc = 'no' 
with * setglobal need_lc = 'yes' 
}