irix*)  symcode='[BCDEGRST]'  ;;solaris*)  symcode='[BDT]'  ;;sysv4)  symcode='[DFNSTU]'  ;;esac# If we're using GNU nm, then use its standard symbol codes.if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then  symcode='[ABCDGISTW]'fi# Try without a prefix undercore, then with it.for ac_symprfx in "" "_"; do  # Write the raw and C identifiers.  global_symbol_pipe="sed -n -e 's/^.*[ 	]\($symcode\)[ 	][ 	]*\($ac_symprfx\)$sympat$/$symxfrm/p'"  # Check to see that the pipe works correctly.  pipe_works=no  $rm conftest*  cat > conftest.c <<EOF#ifdef __cplusplusextern "C" {#endifchar nm_test_var;void nm_test_func(){}#ifdef __cplusplus}#endifmain(){nm_test_var='a';nm_test_func();return(0);}EOF  echo "$progname:1653: checking if global_symbol_pipe works" >&5  if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then    # Now try to grab the symbols.    nlist=conftest.nm    if { echo "$progname:1657: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then      # Try sorting and uniquifying the output.      if sort "$nlist" | uniq > "$nlist"T; then	mv -f "$nlist"T "$nlist"      else	rm -f "$nlist"T      fi      # Make sure that we snagged all the symbols we need.      if egrep ' nm_test_var$' "$nlist" >/dev/null; then	if egrep ' nm_test_func$' "$nlist" >/dev/null; then	  cat <<EOF > conftest.c#ifdef __cplusplusextern "C" {#endifEOF	  # Now generate the symbol file.	  eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c'	  cat <<EOF >> conftest.c#if defined (__STDC__) && __STDC__# define lt_ptr_t void *#else# define lt_ptr_t char *# define const#endif/* The mapping between symbol names and symbols. */const struct {  const char *name;  lt_ptr_t address;}lt_preloaded_symbols[] ={EOF	  sed 's/^. \(.*\) \(.*\)$/  {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c	  cat <<\EOF >> conftest.c  {0, (lt_ptr_t) 0}};#ifdef __cplusplus}#endifEOF	  # Now try linking the two files.	  mv conftest.$objext conftstm.$objext	  save_LIBS="$LIBS"	  save_CFLAGS="$CFLAGS"	  LIBS="conftstm.$objext"	  CFLAGS="$CFLAGS$no_builtin_flag"	  if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then	    pipe_works=yes	  else	    echo "$progname: failed program was:" >&5	    cat conftest.c >&5	  fi	  LIBS="$save_LIBS"	else	  echo "cannot find nm_test_func in $nlist" >&5	fi      else	echo "cannot find nm_test_var in $nlist" >&5      fi    else      echo "cannot run $global_symbol_pipe" >&5    fi  else    echo "$progname: failed program was:" >&5    cat conftest.c >&5  fi  $rm conftest* conftst*  # Do not use the global_symbol_pipe unless it works.  if test "$pipe_works" = yes; then    break  else    global_symbol_pipe=  fidoneif test "$pipe_works" = yes; then  echo "${ac_t}ok" 1>&6else  echo "${ac_t}failed" 1>&6fiif test -z "$global_symbol_pipe"; then  global_symbol_to_cdecl=fi# Check hardcoding attributes.echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6hardcode_action=if test -n "$hardcode_libdir_flag_spec" || \   test -n "$runpath_var"; then  # We can hardcode non-existant directories.  if test "$hardcode_direct" != no &&     # If the only mechanism to avoid hardcoding is shlibpath_var, we     # have to relink, otherwise we might link with an installed library     # when we should be linking with a yet-to-be-installed one     ## test "$hardcode_shlibpath_var" != no &&     test "$hardcode_minus_L" != no; then    # Linking always hardcodes the temporary library directory.    hardcode_action=relink  else    # We can link without hardcoding, and we can hardcode nonexisting dirs.    hardcode_action=immediate  fielse  # We cannot hardcode anything, or else we can only hardcode existing  # directories.  hardcode_action=unsupportedfiecho "$ac_t$hardcode_action" 1>&6reload_flag=reload_cmds='$LD$reload_flag -o $output$reload_objs'echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6# PORTME Some linkers may need a different reload flag.reload_flag='-r'echo "$ac_t$reload_flag" 1>&6test -n "$reload_flag" && reload_flag=" $reload_flag"# PORTME Fill in your ld.so characteristicslibrary_names_spec=libname_spec='lib$name'soname_spec=postinstall_cmds=postuninstall_cmds=finish_cmds=finish_eval=shlibpath_var=shlibpath_overrides_runpath=unknownversion_type=nonedynamic_linker="$host_os ld.so"sys_lib_dlsearch_path_spec="/lib /usr/lib"sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib"file_magic_cmd=file_magic_test_file=deplibs_check_method='unknown'# Need to set the preceding variable on all platforms that support# interlibrary dependencies.# 'none' -- dependencies not supported.# `unknown' -- same as none, but documents that we really don't know.# 'pass_all' -- all dependencies passed with no checks.# 'test_compile' -- check by making test program.# 'file_magic [regex]' -- check by looking for files in library path# which responds to the $file_magic_cmd with a given egrep regex.# If you have `file' or equivalent on your system and you're not sure# whether `pass_all' will *always* work, you probably want this one.echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6case "$host_os" inaix3*)  version_type=linux  library_names_spec='${libname}${release}.so$versuffix $libname.a'  shlibpath_var=LIBPATH  # AIX has no versioning support, so we append a major version to the name.  soname_spec='${libname}${release}.so$major'  ;;aix4*)  version_type=linux  # AIX has no versioning support, so currently we can not hardcode correct  # soname into executable. Probably we can add versioning support to  # collect2, so additional links can be useful in future.  # We preserve .a as extension for shared libraries though AIX4.2  # and later linker supports .so  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a'  shlibpath_var=LIBPATH  deplibs_check_method=pass_all  ;;amigaos*)  library_names_spec='$libname.ixlibrary $libname.a'  # Create ${libname}_ixlibrary.a entries in /sys/libs.  finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done'  ;;beos*)  library_names_spec='${libname}.so'  dynamic_linker="$host_os ld.so"  shlibpath_var=LIBRARY_PATH  deplibs_check_method=pass_all  lt_cv_dlopen="load_add_on"  lt_cv_dlopen_libs=  lt_cv_dlopen_self=yes  ;;bsdi4*)  version_type=linux  need_version=no  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'  soname_spec='${libname}${release}.so$major'  finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir'  shlibpath_var=LD_LIBRARY_PATH  deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)'  file_magic_cmd=/usr/bin/file  file_magic_test_file=/shlib/libc.so  sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib"  sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib"  export_dynamic_flag_spec=-rdynamic  # the default ld.so.conf also contains /usr/contrib/lib and  # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow  # libtool to hard-code these into programs  ;;cygwin* | mingw*)  version_type=windows  need_version=no  need_lib_prefix=no  if test "$with_gcc" = yes; then    library_names_spec='`echo ${libname} | sed -e 's/^lib//g'`.dll $libname.a'  else    library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib'  fi  dynamic_linker='Win32 ld.exe'  deplibs_check_method='file_magic file format pe-i386(.*architecture: i386)?'  file_magic_cmd='${OBJDUMP} -f'  # FIXME: first we should search . and the directory the executable is in  shlibpath_var=PATH  if test "$with_gcc" = yes; then    # See where the system libraries really are - /usr/lib won't cut it    libuser32=`$CC --print-file-name=libuser32.a`    win32libs=`expr $libuser32 : '\(.*\)/.*'`    sys_lib_search_path_spec="$sys_lib_search_path $win32libs"  fi  lt_cv_dlopen="LoadLibrary"  lt_cv_dlopen_libs=  ;;freebsd1*)  dynamic_linker=no  ;;  freebsd*)  objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout`  version_type=freebsd-$objformat  case "$version_type" in    freebsd-elf*)      deplibs_check_method='pass_all'          file_magic_cmd=/usr/bin/file      file_magic_test_file=`echo /usr/lib/libc.so*`      library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so'      need_version=no      need_lib_prefix=no      ;;    freebsd-*)      deplibs_check_method=unknown      library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix'      need_version=yes      ;;  esac  shlibpath_var=LD_LIBRARY_PATH  case "$host_os" in  freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*)    shlibpath_overrides_runpath=yes    ;;  *) # from 3.2 on    shlibpath_overrides_runpath=no    ;;  esac  ;;gnu*)  version_type=linux  need_lib_prefix=no  need_version=no  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so'  soname_spec='${libname}${release}.so$major'  shlibpath_var=LD_LIBRARY_PATH  ;;hpux9* | hpux10* | hpux11*)  # Give a soname corresponding to the major version so that dld.sl refuses to  # link against other versions.  dynamic_linker="$host_os dld.sl"  version_type=sunos  need_lib_prefix=no  need_version=no  shlibpath_var=SHLIB_PATH  shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH  library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl'  soname_spec='${libname}${release}.sl$major'  # HP-UX runs *really* slowly unless shared libraries are mode 555.  postinstall_cmds='chmod 555 $lib'  case "$host_os" in  hpux10.20*)    # TODO:  Does this work for hpux-11 too?    deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library'    file_magic_cmd=/usr/bin/file    file_magic_test_file=/usr/lib/libc.sl    ;;  esac  ;;irix5* | irix6*)  version_type=irix  need_lib_prefix=no  need_version=no  soname_spec='${libname}${release}.so.$major'  library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so'  case "$host_os" in  irix5*)    libsuff= shlibsuff=    # this will be overridden with pass_all, but let us keep it just in case    deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1"    ;;  *)    case "$LD" in # libtool.m4 will add one of these switches to LD    *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;;    *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;;    *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;;    *) libsuff= shlibsuff= libmagic=never-match;;    esac    ;;  esac  shlibpath_var=LD_LIBRARY${shlibsuff}_PATH  shlibpath_overrides_runpath=no  sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}"  sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}"  file_magic_cmd=/usr/bin/file  file_magic_test_file=`echo /lib${libsuff}/libc.so*`  deplibs_check_method='pass_all'  ;;# No shared lib support for Linux oldld, aout, or coff.linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*)  dynamic_linker=no  ;;# This must be Linux ELF.linux-gnu*)  version_type=linux  need_lib_prefix=no  need_version=no  library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so'  soname_spec='${libname}${release}.so$major'  finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'  shlibpath_var=LD_LIBRARY_PATH  shlibpath_overrides_runpath=no  deplibs_check_method=pass_all  if test -f /lib/ld.so.1; then    dynamic_linker='GNU ld.so'  else    # Only the GNU ld.so supports shared libraries on MkLinux.    case "$host_cpu" in    powerpc*) dynamic_linker=no ;;    *) dynamic_linker='Linux ld.so' ;;    esac  fi  ;;netbsd*)  version_type=sunos