configure

    include_expsyms_CXX; do

    case $var in
    old_archive_cmds_CXX | \
    old_archive_from_new_cmds_CXX | \
    archive_cmds_CXX | \
    archive_expsym_cmds_CXX | \
    module_cmds_CXX | \
    module_expsym_cmds_CXX | \
    old_archive_from_expsyms_cmds_CXX | \
    export_symbols_cmds_CXX | \
    extract_expsyms_cmds | reload_cmds | finish_cmds | \
    postinstall_cmds | postuninstall_cmds | \
    old_postinstall_cmds | old_postuninstall_cmds | \
    sys_lib_search_path_spec | sys_lib_dlsearch_path_spec)
      # Double-quote double-evaled strings.
      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
      ;;
    *)
      eval "lt_$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
      ;;
    esac
  done

  case $lt_echo in
  *'\$0 --fallback-echo"')
    lt_echo=`$echo "X$lt_echo" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
    ;;
  esac

cfgfile="$ofile"

  cat <<__EOF__ >> "$cfgfile"
# ### BEGIN LIBTOOL TAG CONFIG: $tagname

# Libtool was configured on host `(hostname || uname -n) 2>/dev/null | sed 1q`:

# Shell to use when invoking shell scripts.
SHELL=$lt_SHELL

# Whether or not to build shared libraries.
build_libtool_libs=$enable_shared

# Whether or not to build static libraries.
build_old_libs=$enable_static

# Whether or not to add -lc for building shared libraries.
build_libtool_need_lc=$archive_cmds_need_lc_CXX

# Whether or not to disallow shared libs when runtime libs are static
allow_libtool_libs_with_static_runtimes=$enable_shared_with_static_runtimes_CXX

# Whether or not to optimize for fast installation.
fast_install=$enable_fast_install

# The host system.
host_alias=$host_alias
host=$host

# An echo program that does not interpret backslashes.
echo=$lt_echo

# The archiver.
AR=$lt_AR
AR_FLAGS=$lt_AR_FLAGS

# A C compiler.
LTCC=$lt_LTCC

# A language-specific compiler.
CC=$lt_compiler_CXX

# Is the compiler the GNU C compiler?
with_gcc=$GCC_CXX

# An ERE matcher.
EGREP=$lt_EGREP

# The linker used to build libraries.
LD=$lt_LD_CXX

# Whether we need hard or soft links.
LN_S=$lt_LN_S

# A BSD-compatible nm program.
NM=$lt_NM

# A symbol stripping program
STRIP=$STRIP

# Used to examine libraries when file_magic_cmd begins "file"
MAGIC_CMD=$MAGIC_CMD

# Used on cygwin: DLL creation program.
DLLTOOL="$DLLTOOL"

# Used on cygwin: object dumper.
OBJDUMP="$OBJDUMP"

# Used on cygwin: assembler.
AS="$AS"

# The name of the directory that contains temporary libtool files.
objdir=$objdir

# How to create reloadable object files.
reload_flag=$lt_reload_flag
reload_cmds=$lt_reload_cmds

# How to pass a linker flag through the compiler.
wl=$lt_lt_prog_compiler_wl_CXX

# Object file suffix (normally "o").
objext="$ac_objext"

# Old archive suffix (normally "a").
libext="$libext"

# Shared library suffix (normally ".so").
shrext='$shrext'

# Executable file suffix (normally "").
exeext="$exeext"

# Additional compiler flags for building library objects.
pic_flag=$lt_lt_prog_compiler_pic_CXX
pic_mode=$pic_mode

# What is the maximum length of a command?
max_cmd_len=$lt_cv_sys_max_cmd_len

# Does compiler simultaneously support -c and -o options?
compiler_c_o=$lt_lt_cv_prog_compiler_c_o_CXX

# Must we lock files when doing compilation ?
need_locks=$lt_need_locks

# Do we need the lib prefix for modules?
need_lib_prefix=$need_lib_prefix

# Do we need a version for libraries?
need_version=$need_version

# Whether dlopen is supported.
dlopen_support=$enable_dlopen

# Whether dlopen of programs is supported.
dlopen_self=$enable_dlopen_self

# Whether dlopen of statically linked programs is supported.
dlopen_self_static=$enable_dlopen_self_static

# Compiler flag to prevent dynamic linking.
link_static_flag=$lt_lt_prog_compiler_static_CXX

# Compiler flag to turn off builtin functions.
no_builtin_flag=$lt_lt_prog_compiler_no_builtin_flag_CXX

# Compiler flag to allow reflexive dlopens.
export_dynamic_flag_spec=$lt_export_dynamic_flag_spec_CXX

# Compiler flag to generate shared objects directly from archives.
whole_archive_flag_spec=$lt_whole_archive_flag_spec_CXX

# Compiler flag to generate thread-safe objects.
thread_safe_flag_spec=$lt_thread_safe_flag_spec_CXX

# Library versioning type.
version_type=$version_type

# Format of library name prefix.
libname_spec=$lt_libname_spec

# List of archive names.  First name is the real one, the rest are links.
# The last name is the one that the linker finds with -lNAME.
library_names_spec=$lt_library_names_spec

# The coded name of the library, if different from the real name.
soname_spec=$lt_soname_spec

# Commands used to build and install an old-style archive.
RANLIB=$lt_RANLIB
old_archive_cmds=$lt_old_archive_cmds_CXX
old_postinstall_cmds=$lt_old_postinstall_cmds
old_postuninstall_cmds=$lt_old_postuninstall_cmds

# Create an old-style archive from a shared archive.
old_archive_from_new_cmds=$lt_old_archive_from_new_cmds_CXX

# Create a temporary old-style archive to link instead of a shared archive.
old_archive_from_expsyms_cmds=$lt_old_archive_from_expsyms_cmds_CXX

# Commands used to build and install a shared archive.
archive_cmds=$lt_archive_cmds_CXX
archive_expsym_cmds=$lt_archive_expsym_cmds_CXX
postinstall_cmds=$lt_postinstall_cmds
postuninstall_cmds=$lt_postuninstall_cmds

# Commands used to build a loadable module (assumed same as above if empty)
module_cmds=$lt_module_cmds_CXX
module_expsym_cmds=$lt_module_expsym_cmds_CXX

# Commands to strip libraries.
old_striplib=$lt_old_striplib
striplib=$lt_striplib

# Dependencies to place before the objects being linked to create a
# shared library.
predep_objects=$lt_predep_objects_CXX

# Dependencies to place after the objects being linked to create a
# shared library.
postdep_objects=$lt_postdep_objects_CXX

# Dependencies to place before the objects being linked to create a
# shared library.
predeps=$lt_predeps_CXX

# Dependencies to place after the objects being linked to create a
# shared library.
postdeps=$lt_postdeps_CXX

# The library search path used internally by the compiler when linking
# a shared library.
compiler_lib_search_path=$lt_compiler_lib_search_path_CXX

# Method to check whether dependent libraries are shared objects.
deplibs_check_method=$lt_deplibs_check_method

# Command to use when deplibs_check_method == file_magic.
file_magic_cmd=$lt_file_magic_cmd

# Flag that allows shared libraries with undefined symbols to be built.
allow_undefined_flag=$lt_allow_undefined_flag_CXX

# Flag that forces no undefined symbols.
no_undefined_flag=$lt_no_undefined_flag_CXX

# Commands used to finish a libtool library installation in a directory.
finish_cmds=$lt_finish_cmds

# Same as above, but a single script fragment to be evaled but not shown.
finish_eval=$lt_finish_eval

# Take the output of nm and produce a listing of raw symbols and C names.
global_symbol_pipe=$lt_lt_cv_sys_global_symbol_pipe

# Transform the output of nm in a proper C declaration
global_symbol_to_cdecl=$lt_lt_cv_sys_global_symbol_to_cdecl

# Transform the output of nm in a C name address pair
global_symbol_to_c_name_address=$lt_lt_cv_sys_global_symbol_to_c_name_address

# This is the shared library runtime path variable.
runpath_var=$runpath_var

# This is the shared library path variable.
shlibpath_var=$shlibpath_var

# Is shlibpath searched before the hard-coded library search path?
shlibpath_overrides_runpath=$shlibpath_overrides_runpath

# How to hardcode a shared library path into an executable.
hardcode_action=$hardcode_action_CXX

# Whether we should hardcode library paths into libraries.
hardcode_into_libs=$hardcode_into_libs

# Flag to hardcode \$libdir into a binary during linking.
# This must work even if \$libdir does not exist.
hardcode_libdir_flag_spec=$lt_hardcode_libdir_flag_spec_CXX

# If ld is used when linking, flag to hardcode \$libdir into
# a binary during linking. This must work even if \$libdir does
# not exist.
hardcode_libdir_flag_spec_ld=$lt_hardcode_libdir_flag_spec_ld_CXX

# Whether we need a single -rpath flag with a separated argument.
hardcode_libdir_separator=$lt_hardcode_libdir_separator_CXX

# Set to yes if using DIR/libNAME${shared_ext} during linking hardcodes DIR into the
# resulting binary.
hardcode_direct=$hardcode_direct_CXX

# Set to yes if using the -LDIR flag during linking hardcodes DIR into the
# resulting binary.
hardcode_minus_L=$hardcode_minus_L_CXX

# Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into
# the resulting binary.
hardcode_shlibpath_var=$hardcode_shlibpath_var_CXX

# Set to yes if building a shared library automatically hardcodes DIR into the library
# and all subsequent libraries and executables linked against it.
hardcode_automatic=$hardcode_automatic_CXX

# Variables whose values should be saved in libtool wrapper scripts and
# restored at relink time.
variables_saved_for_relink="$variables_saved_for_relink"

# Whether libtool must link a program against all its dependency libraries.
link_all_deplibs=$link_all_deplibs_CXX

# Compile-time system search path for libraries
sys_lib_search_path_spec=$lt_sys_lib_search_path_spec

# Run-time system search path for libraries
sys_lib_dlsearch_path_spec=$lt_sys_lib_dlsearch_path_spec

# Fix the shell variable \$srcfile for the compiler.
fix_srcfile_path="$fix_srcfile_path_CXX"

# Set to yes if exported symbols are required.
always_export_symbols=$always_export_symbols_CXX

# The commands to list exported symbols.
export_symbols_cmds=$lt_export_symbols_cmds_CXX

# The commands to extract the exported symbol list from a shared archive.
extract_expsyms_cmds=$lt_extract_expsyms_cmds

# Symbols that should not be listed in the preloaded symbols.
exclude_expsyms=$lt_exclude_expsyms_CXX

# Symbols that must always be exported.
include_expsyms=$lt_include_expsyms_CXX

# ### END LIBTOOL TAG CONFIG: $tagname

__EOF__


else
  # If there is no Makefile yet, we rely on a make rule to execute
  # `config.status --recheck' to rerun these tests and create the
  # libtool script then.
  test -f Makefile && make "$ltmain"
fi


ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_c_compiler_gnu

CC=$lt_save_CC
LDCXX=$LD
LD=$lt_save_LD
GCC=$lt_save_GCC
with_gnu_ldcxx=$with_gnu_ld
with_gnu_ld=$lt_save_with_gnu_ld
lt_cv_path_LDCXX=$lt_cv_path_LD
lt_cv_path_LD=$lt_save_path_LD
lt_cv_prog_gnu_ldcxx=$lt_cv_prog_gnu_ld
lt_cv_prog_gnu_ld=$lt_save_with_gnu_ld

	else
	  tagname=""
	fi
	;;

      F77)
	if test -n "$F77" && test "X$F77" != "Xno"; then

ac_ext=f
ac_compile='$F77 -c $FFLAGS conftest.$ac_ext >&5'
ac_link='$F77 -o conftest$ac_exeext $FFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_f77_compiler_gnu


archive_cmds_need_lc_F77=no
allow_undefined_flag_F77=
always_export_symbols_F77=no
archive_expsym_cmds_F77=
export_dynamic_flag_spec_F77=
hardcode_direct_F77=no
hardcode_libdir_flag_spec_F77=
hardcode_libdir_flag_spec_ld_F77=
hardcode_libdir_separator_F77=
hardcode_minus_L_F77=no
hardcode_automatic_F77=no
module_cmds_F77=
module_expsym_cmds_F77=
link_all_deplibs_F77=unknown
old_archive_cmds_F77=$old_archive_cmds
no_undefined_flag_F77=
whole_archive_flag_spec_F77=
enable_shared_with_static_runtimes_F77=no

# Source file extension for f77 test sources.
ac_ext=f

# Object file extension for compiled f77 test sources.
objext=o
objext_F77=$objext

# Code to be used in simple compile tests
lt_simple_compile_test_code="      subroutine t\n      return\n      end\n"

# Code to be used in simple link tests
lt_simple_link_test_code="      program t\n      end\n"

# ltmain only uses $CC for tagged configurations so make sure $CC is set.

# If no C compiler was specified, use CC.
LTCC=${LTCC-"$CC"}

# Allow CC to be a program name with arguments.
compiler=$CC


# Allow CC to be a program name with arguments.
lt_save_CC="$CC"
CC=${F77-"f77"}
compiler=$CC
compiler_F77=$CC
cc_basename=`$echo X"$compiler" | $Xsed -e 's%^.*/%%'`

echo "$as_me:$LINENO: checking if libtool supports shared libraries" >&5
echo $ECHO_N "checking if libtool supports shared libraries... $ECHO_C" >&6
echo "$as_me:$LINENO: result: $can_build_shared" >&5
echo "${ECHO_T}$can_build_shared" >&6

echo "$as_me:$LINENO: checking whether to build shared libraries" >&5
echo $ECHO_N "checking whether to build shared libraries... $ECHO_C" >&6
test "$can_build_shared" = "no" && enable_shared=no

# On AIX, shared libraries and static libraries use the same namespace, and
# are all built from PIC.
case "$host_os" in
aix3*)
  test "$enable_shared" = yes && enable_static=no
  if test -n "$RANLIB"; then
    archive_cmds="$archive_cmds~\$RANLIB \$lib"
    postinstall_cmds='$RANLIB $lib'
  fi
  ;;
aix4*)
  test "$enable_shared" = yes && enable_static=no
  ;;
esac
echo "$as_me:$LINENO: result: $enable_shared" >&5
echo "${ECHO_T}$enable_shared" >&6

echo "$as_me:$LINENO: checking whether to build static libraries" >&5
echo $ECHO_N "checking whether to build static libraries... $ECHO_C" >&6
# Make sure either enable_shared or enable_static is yes.
test "$enable_shared" = yes || enable_static=yes
echo "$as_me:$LINENO: result: $enable_static" >&5
echo "${ECHO_T}$enable_static" >&6

test "$ld_shlibs_F77" = no && can_build_shared=no

GCC_F77="$G77"
LD_F77="$LD"

lt_prog_compiler_wl_F77=
lt_prog_compiler_pic_F77=
lt_prog_compiler_static_F77=

echo "$as_me:$LINENO: checking for $compiler option to produce PIC" >&5
echo $ECHO_N "checking for $compiler option to produce PIC... $ECHO_C" >&6

  if test "$GCC" = yes; then
    lt_prog_compiler_wl_F77='-Wl,'
    lt_prog_compiler_static_F77='-static'

    case $host_os in
      aix*)
      # All AIX code is PIC.
      if test "$host_cpu" = ia64; then
	# AIX 5 now supports IA64 processor
	lt_prog_compiler_static_F77='-Bstatic'
      fi
      ;;

    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'.
      lt_prog_compiler_pic_F77='-m68020 -resident32 -malways-restore-a4'
      ;;

    beos* | cygwin* | irix5* | irix6* | nonstopux* | osf3* | osf4* | osf5*)
      # PIC is the default for these OSes.
      ;;

    mingw* | pw32* | 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).
      lt_prog_compiler_pic_F77='-DDLL_EXPORT'
      ;;

    darwin* | rhapsody*)
      # PIC is the default on this platform
      # Common symbols not allowed in MH_DYLIB files
      lt_prog_compiler_pic_F77='-fno-common'
      ;;

    msdosdjgpp*)
      # Just because we use GCC doesn't mean we suddenly get shared libraries
      # on systems that don't support them.
      lt_prog_compiler_can_build_shared_F77=no
      enable_shared=no
      ;;

    sysv4*MP*)
      if test -d /usr/nec; then
	lt_prog_compiler_pic_F77=-Kconform_pic
      fi
      ;;

    hpux*)
      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
      # not for PA HP-UX.
      case "$host_cpu" in
      hppa*64*|ia64*)
	# +Z the default
	;;
      *)
	lt_prog_compiler_pic_F77='-fPIC'
	;;
      esac
      ;;

    *)
      lt_prog_compiler_pic_F77='-fPIC'
      ;;
    esac
  else
    # PORTME Check for flag to pass linker flags through the system compiler.
    case $host_os in
    aix*)
      lt_prog_compiler_wl_F77='-Wl,'
      if test "$host_cpu" = ia64; then
	# AIX 5 now supports IA64 processor
	lt_prog_compiler_static_F77='-Bstatic'
      else
	lt_prog_compiler_static_F77='-bnso -bI:/lib/syscalls.exp'
      fi
      ;;

    mingw* | pw32* | 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).
      lt_prog_compiler_pic_F77='-DDLL_EXPORT'
      ;;

    hpux9* | hpux10* | hpux11*)
      lt_prog_compiler_wl_F77='-Wl,'
      # PIC is the default for IA64 HP-UX and 64-bit HP-UX, but
      # not for PA HP-UX.
      case "$host_cpu" in
      hppa*64*|ia64*)
	# +Z the default
	;;
      *)
	lt_prog_compiler_pic_F77='+Z'
	;;
      esac
      # Is there a better lt_prog_compiler_static that works with the bundled CC?
      lt_prog_compiler_static_F77='${wl}-a ${wl}archive'
      ;;

    irix5* | irix6* | nonstopux*)
      lt_prog_compiler_wl_F77='-Wl,'
      # PIC (with -KPIC) is the default.
      lt_prog_compiler_static_F77='-non_shared'
      ;;

    newsos6)
      lt_prog_compiler_pic_F77='-KPIC'
      lt_prog_compiler_static_F77='-Bstatic'
      ;;

    linux*)
      case $CC in
      icc|ecc)
	lt_prog_compiler_wl_F77='-Wl,'
	lt_prog_compiler_pic_F77='-KPIC'
	lt_prog_compiler_static_F77='-static'
        ;;
      ccc)
        lt_prog_compiler_wl_F77='-Wl,'
        # All Alpha code is PIC.
        lt_prog_compiler_static_F77='-non_shared'
        ;;
      esac
      ;;

    osf3* | osf4* | osf5*)
      lt_prog_compiler_wl_F77='-Wl,'
      # All OSF/1 code is PIC.
      lt_prog_compiler_static_F77='-non_shared'
      ;;

    sco3.2v5*)
      lt_prog_compiler_pic_F77='-Kpic'
      lt_prog_compiler_static_F77='-dn'
      ;;

    solaris*)
      lt_prog_compiler_wl_F77='-Wl,'
      lt_prog_compiler_pic_F77='-KPIC'
      lt_prog_compiler_static_F77='-Bstatic'
      ;;

    sunos4*)
      lt_prog_compiler_wl_F77='-Qoption ld '
      lt_prog_compiler_pic_F77='-PIC'
      lt_prog_compiler_static_F77='-Bstatic'
      ;;

    sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*)
      lt_prog_compiler_wl_F77='-Wl,'
      lt_prog_compiler_pic_F77='-KPIC'
      lt_prog_compiler_static_F77='-Bstatic'
      ;;

    sysv4*MP*)
      if test -d /usr/nec ;then
	lt_prog_compiler_pic_F77='-Kconform_pic'
	lt_prog_compiler_static_F77='-Bstatic'
      fi
      ;;

    uts4*)
      lt_prog_compiler_pic_F77='-pic'
      lt_prog_compiler_static_F77='-Bstatic'
      ;;

    *)
      lt_prog_compiler_can_build_shared_F77=no
      ;;
    esac
  fi

echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_F77" >&5
echo "${ECHO_T}$lt_prog_compiler_pic_F77" >&6

#
# Check to make sure the PIC flag actually works.
#
if test -n "$lt_prog_compiler_pic_F77"; then
  echo "$as_me:$LINENO: checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works" >&5
echo $ECHO_N "checking if $compiler PIC flag $lt_prog_compiler_pic_F77 works... $ECHO_C" >&6
if test "${lt_prog_compiler_pic_works_F77+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  lt_prog_compiler_pic_works_F77=no
  ac_outfile=conftest.$ac_objext
   printf "$lt_simple_compile_test_code" > conftest.$ac_ext
   lt_compiler_flag="$lt_prog_compiler_pic_F77"
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   # The option is referenced via a variable to avoid confusing sed.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:12664: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>conftest.err)
   ac_status=$?
   cat conftest.err >&5
   echo "$as_me:12668: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s "$ac_outfile"; then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test ! -s conftest.err; then
       lt_prog_compiler_pic_works_F77=yes
     fi
   fi
   $rm conftest*

fi
echo "$as_me:$LINENO: result: $lt_prog_compiler_pic_works_F77" >&5
echo "${ECHO_T}$lt_prog_compiler_pic_works_F77" >&6

if test x"$lt_prog_compiler_pic_works_F77" = xyes; then
    case $lt_prog_compiler_pic_F77 in
     "" | " "*) ;;
     *) lt_prog_compiler_pic_F77=" $lt_prog_compiler_pic_F77" ;;
     esac
else
    lt_prog_compiler_pic_F77=
     lt_prog_compiler_can_build_shared_F77=no
fi

fi
case "$host_os" in
  # For platforms which do not support PIC, -DPIC is meaningless:
  *djgpp*)
    lt_prog_compiler_pic_F77=
    ;;
  *)
    lt_prog_compiler_pic_F77="$lt_prog_compiler_pic_F77"
    ;;
esac

echo "$as_me:$LINENO: checking if $compiler supports -c -o file.$ac_objext" >&5
echo $ECHO_N "checking if $compiler supports -c -o file.$ac_objext... $ECHO_C" >&6
if test "${lt_cv_prog_compiler_c_o_F77+set}" = set; then
  echo $ECHO_N "(cached) $ECHO_C" >&6
else
  lt_cv_prog_compiler_c_o_F77=no
   $rm -r conftest 2>/dev/null
   mkdir conftest
   cd conftest
   mkdir out
   printf "$lt_simple_compile_test_code" > conftest.$ac_ext

   # According to Tom Tromey, Ian Lance Taylor reported there are C compilers
   # that will create temporary files in the current directory regardless of
   # the output directory.  Thus, making CWD read-only will cause this test
   # to fail, enabling locking or at least warning the user not to do parallel
   # builds.
   chmod -w .

   lt_compiler_flag="-o out/conftest2.$ac_objext"
   # Insert the option either (1) after the last *FLAGS variable, or
   # (2) before a word containing "conftest.", or (3) at the end.
   # Note that $ac_compile itself does not contain backslashes and begins
   # with a dollar sign (not a hyphen), so the echo should work correctly.
   lt_compile=`echo "$ac_compile" | $SED \
   -e 's:.*FLAGS}? :&$lt_compiler_flag :; t' \
   -e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
   -e 's:$: $lt_compiler_flag:'`
   (eval echo "\"\$as_me:12731: $lt_compile\"" >&5)
   (eval "$lt_compile" 2>out/conftest.err)
   ac_status=$?
   cat out/conftest.err >&5
   echo "$as_me:12735: \$? = $ac_status" >&5
   if (exit $ac_status) && test -s out/conftest2.$ac_objext
   then
     # The compiler can only warn and ignore the option if not recognized
     # So say no if there are warnings
     if test ! -s out/conftest.err; then
       lt_cv_prog_compiler_c_o_F77=yes
     fi
   fi
   chmod u+w .
   $rm conftest* out/*
   rmdir out
   cd ..
   rmdir conftest
   $rm conftest*

fi
echo "$as_me:$LINENO: result: $lt_cv_prog_compiler_c_o_F77" >&5
echo "${ECHO_T}$lt_cv_prog_compiler_c_o_F77" >&6


hard_links="nottested"
if test "$lt_cv_prog_compiler_c_o_F77" = no && test "$need_locks" != no; then
  # do not overwrite the value of need_locks provided by the user
  echo "$as_me:$LINENO: checking if we can lock with hard links" >&5
echo $ECHO_N "checking if we can lock with hard links... $ECHO_C" >&6
  hard_links=yes
  $rm conftest*
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  touch conftest.a
  ln conftest.a conftest.b 2>&5 || hard_links=no
  ln conftest.a conftest.b 2>/dev/null && hard_links=no
  echo "$as_me:$LINENO: result: $hard_links" >&5
echo "${ECHO_T}$hard_links" >&6
  if test "$hard_links" = no; then
    { echo "$as_me:$LINENO: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&5
echo "$as_me: WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2;}
    need_locks=warn
  fi
else
  need_locks=no
fi

echo "$as_me:$LINENO: checking whether the $compiler linker ($LD) supports shared libraries" >&5
echo $ECHO_N "checking whether the $compiler linker ($LD) supports shared libraries... $ECHO_C" >&6

  runpath_var=
  allow_undefined_flag_F77=
  enable_shared_with_static_runtimes_F77=no
  archive_cmds_F77=
  archive_expsym_cmds_F77=
  old_archive_From_new_cmds_F77=
  old_archive_from_expsyms_cmds_F77=
  export_dynamic_flag_spec_F77=
  whole_archive_flag_spec_F77=
  thread_safe_flag_spec_F77=
  hardcode_libdir_flag_spec_F77=
  hardcode_libdir_flag_spec_ld_F77=
  hardcode_libdir_separator_F77=
  hardcode_direct_F77=no
  hardcode_minus_L_F77=no
  hardcode_shlibpath_var_F77=unsupported
  link_all_deplibs_F77=unknown
  hardcode_automatic_F77=no
  module_cmds_F77=
  module_expsym_cmds_F77=
  always_export_symbols_F77=no
  export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
  # include_expsyms should be a list of space-separated symbols to be *always*
  # included in the symbol list
  include_expsyms_F77=
  # exclude_expsyms can be an extended regexp of symbols to exclude
  # it will be wrapped by ` (' and `)$', so one must not match beginning or
  # end of line.  Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc',
  # as well as any symbol that contains `d'.
  exclude_expsyms_F77="_GLOBAL_OFFSET_TABLE_"
  # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out
  # platforms (ab)use it in PIC code, but their linkers get confused if
  # the symbol is explicitly referenced.  Since portable code cannot
  # rely on this symbol name, it's probably fine to never include it in
  # preloaded symbol tables.
  extract_expsyms_cmds=

  case $host_os in
  cygwin* | mingw* | pw32*)
    # FIXME: the MSVC++ port hasn't been tested in a loooong time
    # When not using gcc, we currently assume that we are using
    # Microsoft Visual C++.
    if test "$GCC" != yes; then
      with_gnu_ld=no
    fi
    ;;
  openbsd*)
    with_gnu_ld=no
    ;;
  esac

  ld_shlibs_F77=yes
  if test "$with_gnu_ld" = yes; then
    # If archive_cmds runs LD, not CC, wlarc should be empty
    wlarc='${wl}'

    # See if GNU ld supports shared libraries.
    case $host_os in
    aix3* | aix4* | aix5*)
      # On AIX/PPC, the GNU linker is very broken
      if test "$host_cpu" != ia64; then
	ld_shlibs_F77=no
	cat <<EOF 1>&2

*** Warning: the GNU linker, at least up to release 2.9.1, is reported
*** to be unable to reliably create shared libraries on AIX.
*** Therefore, libtool is disabling shared libraries support.  If you
*** really care for shared libraries, you may want to modify your PATH
*** so that a non-GNU linker is found, and then restart.

EOF
      fi
      ;;

    amigaos*)
      archive_cmds_F77='$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 $output_objdir && a2ixlibrary -32)'
      hardcode_libdir_flag_spec_F77='-L$libdir'
      hardcode_minus_L_F77=yes

      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
      # that the semantics of dynamic libraries on AmigaOS, at least up
      # to version 4, is to share data among multiple programs linked
      # with the same dynamic library.  Since this doesn't match the
      # behavior of shared libraries on other platforms, we can't use
      # them.
      ld_shlibs_F77=no
      ;;

    beos*)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	allow_undefined_flag_F77=unsupported
	# Joseph Beckenbach <jrb3@best.com> says some releases of gcc
	# support --undefined.  This deserves some investigation.  FIXME
	archive_cmds_F77='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
      else
	ld_shlibs_F77=no
      fi
      ;;

    cygwin* | mingw* | pw32*)
      # _LT_AC_TAGVAR(hardcode_libdir_flag_spec, F77) is actually meaningless,
      # as there is no search path for DLLs.
      hardcode_libdir_flag_spec_F77='-L$libdir'
      allow_undefined_flag_F77=unsupported
      always_export_symbols_F77=no
      enable_shared_with_static_runtimes_F77=yes
      export_symbols_cmds_F77='$NM $libobjs $convenience | $global_symbol_pipe | $SED -e '\''/^[BCDGS] /s/.* \([^ ]*\)/\1 DATA/'\'' | $SED -e '\''/^[AITW] /s/.* //'\'' | sort | uniq > $export_symbols'

      if $LD --help 2>&1 | grep 'auto-import' > /dev/null; then
        archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--image-base=0x10000000 ${wl}--out-implib,$lib'
	# If the export-symbols file already is a .def file (1st line
	# is EXPORTS), use it as is; otherwise, prepend...
	archive_expsym_cmds_F77='if test "x`$SED 1q $export_symbols`" = xEXPORTS; then
	  cp $export_symbols $output_objdir/$soname.def;
	else
	  echo EXPORTS > $output_objdir/$soname.def;
	  cat $export_symbols >> $output_objdir/$soname.def;
	fi~
	$CC -shared $output_objdir/$soname.def $libobjs $deplibs $compiler_flags -o $output_objdir/$soname ${wl}--image-base=0x10000000  ${wl}--out-implib,$lib'
      else
	ld_shlibs=no
      fi
      ;;

    netbsd*)
      if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
	archive_cmds_F77='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib'
	wlarc=
      else
	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      fi
      ;;

    solaris* | sysv5*)
      if $LD -v 2>&1 | grep 'BFD 2\.8' > /dev/null; then
	ld_shlibs_F77=no
	cat <<EOF 1>&2

*** Warning: The releases 2.8.* of the GNU linker cannot reliably
*** create shared libraries on Solaris systems.  Therefore, libtool
*** is disabling shared libraries support.  We urge you to upgrade GNU
*** binutils to release 2.9.1 or newer.  Another option is to modify
*** your PATH or compiler configuration so that the native linker is
*** used, and then restart.

EOF
      elif $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
	ld_shlibs_F77=no
      fi
      ;;

    sunos4*)
      archive_cmds_F77='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags'
      wlarc=
      hardcode_direct_F77=yes
      hardcode_shlibpath_var_F77=no
      ;;

    *)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
	archive_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
	archive_expsym_cmds_F77='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib'
      else
	ld_shlibs_F77=no
      fi
      ;;
    esac

    if test "$ld_shlibs_F77" = yes; then
      runpath_var=LD_RUN_PATH
      hardcode_libdir_flag_spec_F77='${wl}--rpath ${wl}$libdir'
      export_dynamic_flag_spec_F77='${wl}--export-dynamic'
      # ancient GNU ld didn't support --whole-archive et. al.
      if $LD --help 2>&1 | grep 'no-whole-archive' > /dev/null; then
 	whole_archive_flag_spec_F77="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive'
      else
  	whole_archive_flag_spec_F77=
      fi
    fi
  else
    # PORTME fill in a description of your system's linker (not GNU ld)
    case $host_os in
    aix3*)
      allow_undefined_flag_F77=unsupported
      always_export_symbols_F77=yes
      archive_expsym_cmds_F77='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname'
      # Note: this linker hardcodes the directories in LIBPATH if there
      # are no directories specified by -L.
      hardcode_minus_L_F77=yes
      if test "$GCC" = yes && test -z "$link_static_flag"; then
	# Neither direct hardcoding nor static linking is supported with a
	# broken collect2.
	hardcode_direct_F77=unsupported
      fi
      ;;

    aix4* | aix5*)
      if test "$host_cpu" = ia64; then
	# On IA64, the linker does run time linking by default, so we don't
	# have to do anything special.
	aix_use_runtimelinking=no
	exp_sym_flag='-Bexport'
	no_entry_flag=""
      else
	# If we're using GNU nm, then we don't want the "-C" option.
	# -C means demangle to AIX nm, but means don't demangle with GNU nm
	if $NM -V 2>&1 | grep 'GNU' > /dev/null; then
	  export_symbols_cmds_F77='$NM -Bpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
	else
	  export_symbols_cmds_F77='$NM -BCpg $libobjs $convenience | awk '\''{ if (((\$2 == "T") || (\$2 == "D") || (\$2 == "B")) && (substr(\$3,1,1) != ".")) { print \$3 } }'\'' | sort -u > $export_symbols'
	fi
	aix_use_runtimelinking=no

	# 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 runtime linking.