config.status

linux 下的libusb 1.0.0版本

lt_cv_sys_global_symbol_to_cdecl='sed -n -e '\''s/^T .* \(.*\)$/extern int \1();/p'\'' -e '\''s/^[ABCDGIRSTW]* .* \(.*\)$/extern char \1;/p'\'''
lt_cv_sys_global_symbol_to_c_name_address='sed -n -e '\''s/^: \([^ ]*\) $/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"\2", (void *) \&\2},/p'\'''
lt_cv_sys_global_symbol_to_c_name_address_lib_prefix='sed -n -e '\''s/^: \([^ ]*\) $/  {\"\1\", (void *) 0},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \(lib[^ ]*\)$/  {"\2", (void *) \&\2},/p'\'' -e '\''s/^[ABCDGIRSTW]* \([^ ]*\) \([^ ]*\)$/  {"lib\2", (void *) \&\2},/p'\'''
objdir='.libs'
SHELL='/bin/bash'
ECHO='echo'
MAGIC_CMD='file'
lt_prog_compiler_no_builtin_flag=' -fno-builtin'
lt_prog_compiler_wl='-Wl,'
lt_prog_compiler_pic=' -fPIC -DPIC'
lt_prog_compiler_static='-static'
lt_cv_prog_compiler_c_o='yes'
need_locks='no'
DSYMUTIL=''
NMEDIT=''
LIPO=''
OTOOL=''
OTOOL64=''
libext='a'
shrext_cmds='.so'
extract_expsyms_cmds=''
archive_cmds_need_lc='no'
enable_shared_with_static_runtimes='no'
export_dynamic_flag_spec='${wl}--export-dynamic'
whole_archive_flag_spec='${wl}--whole-archive$convenience ${wl}--no-whole-archive'
compiler_needs_object='no'
old_archive_from_new_cmds=''
old_archive_from_expsyms_cmds=''
archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib'
archive_expsym_cmds='echo "{ global:" > $output_objdir/$libname.ver~
	    cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $output_objdir/$libname.ver~
	    echo "local: *; };" >> $output_objdir/$libname.ver~
	    $CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-version-script ${wl}$output_objdir/$libname.ver -o $lib'
module_cmds=''
module_expsym_cmds=''
with_gnu_ld='yes'
allow_undefined_flag=''
no_undefined_flag=''
hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
hardcode_libdir_flag_spec_ld=''
hardcode_libdir_separator=''
hardcode_direct='no'
hardcode_direct_absolute='no'
hardcode_minus_L='no'
hardcode_shlibpath_var='unsupported'
hardcode_automatic='no'
inherit_rpath='no'
link_all_deplibs='unknown'
fix_srcfile_path=''
always_export_symbols='no'
export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | $SED '\''s/.* //'\'' | sort | uniq > $export_symbols'
exclude_expsyms='_GLOBAL_OFFSET_TABLE_|_GLOBAL__F[ID]_.*'
include_expsyms=''
prelink_cmds=''
file_list_spec=''
variables_saved_for_relink='PATH LD_LIBRARY_PATH LD_RUN_PATH GCC_EXEC_PREFIX COMPILER_PATH LIBRARY_PATH'
need_lib_prefix='no'
need_version='no'
version_type='linux'
runpath_var='LD_RUN_PATH'
shlibpath_var='LD_LIBRARY_PATH'
shlibpath_overrides_runpath='no'
libname_spec='lib$name'
library_names_spec='${libname}${release}${shared_ext}$versuffix ${libname}${release}${shared_ext}$major $libname${shared_ext}'
soname_spec='${libname}${release}${shared_ext}$major'
postinstall_cmds=''
postuninstall_cmds=''
finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir'
finish_eval=''
hardcode_into_libs='yes'
sys_lib_search_path_spec='/usr/lib/gcc/i486-linux-gnu/4.2.4 /usr/lib /lib'
sys_lib_dlsearch_path_spec='/lib /usr/lib /lib/i486-linux-gnu /usr/lib/i486-linux-gnu /usr/local/lib '
hardcode_action='immediate'
enable_dlopen='unknown'
enable_dlopen_self='unknown'
enable_dlopen_self_static='unknown'
old_striplib='strip --strip-debug'
striplib='strip --strip-unneeded'

LTCC='gcc'
LTCFLAGS='-g -O2'
compiler='gcc'

# Quote evaled strings.
for var in SED GREP EGREP FGREP LD NM LN_S lt_SP2NL lt_NL2SP reload_flag OBJDUMP deplibs_check_method file_magic_cmd AR AR_FLAGS STRIP RANLIB CC CFLAGS compiler lt_cv_sys_global_symbol_pipe lt_cv_sys_global_symbol_to_cdecl lt_cv_sys_global_symbol_to_c_name_address lt_cv_sys_global_symbol_to_c_name_address_lib_prefix SHELL ECHO lt_prog_compiler_no_builtin_flag lt_prog_compiler_wl lt_prog_compiler_pic lt_prog_compiler_static lt_cv_prog_compiler_c_o need_locks DSYMUTIL NMEDIT LIPO OTOOL OTOOL64 shrext_cmds export_dynamic_flag_spec whole_archive_flag_spec compiler_needs_object with_gnu_ld allow_undefined_flag no_undefined_flag hardcode_libdir_flag_spec hardcode_libdir_flag_spec_ld hardcode_libdir_separator fix_srcfile_path exclude_expsyms include_expsyms file_list_spec variables_saved_for_relink libname_spec library_names_spec soname_spec finish_eval old_striplib striplib; do
    case `eval \\$ECHO "X\\$$var"` in
    *[\\\`\"\$]*)
      eval "lt_$var=\\\"\`\$ECHO \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\""
      ;;
    *)
      eval "lt_$var=\\\"\$$var\\\""
      ;;
    esac
done

# Double-quote double-evaled strings.
for var in reload_cmds old_postinstall_cmds old_postuninstall_cmds old_archive_cmds extract_expsyms_cmds old_archive_from_new_cmds old_archive_from_expsyms_cmds archive_cmds archive_expsym_cmds module_cmds module_expsym_cmds export_symbols_cmds prelink_cmds postinstall_cmds postuninstall_cmds finish_cmds sys_lib_search_path_spec sys_lib_dlsearch_path_spec; do
    case `eval \\$ECHO "X\\$$var"` in
    *[\\\`\"\$]*)
      eval "lt_$var=\\\"\`\$ECHO \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\""
      ;;
    *)
      eval "lt_$var=\\\"\$$var\\\""
      ;;
    esac
done

# Fix-up fallback echo if it was mangled by the above quoting rules.
case $lt_ECHO in
*'\$0 --fallback-echo"')  lt_ECHO=`$ECHO "X$lt_ECHO" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'`
  ;;
esac

ac_aux_dir='.'
xsi_shell='yes'
lt_shell_append='yes'

# See if we are running on zsh, and set the options which allow our
# commands through without removal of \ escapes INIT.
if test -n "${ZSH_VERSION+set}" ; then
   setopt NO_GLOB_SUBST
fi


    PACKAGE='libusb'
    VERSION='1.0.0'
    TIMESTAMP=''
    RM='rm -f'
    ofile='libtool'





# Handling of arguments.
for ac_config_target in $ac_config_targets
do
  case $ac_config_target in
    "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h" ;;
    "depfiles") CONFIG_COMMANDS="$CONFIG_COMMANDS depfiles" ;;
    "libtool") CONFIG_COMMANDS="$CONFIG_COMMANDS libtool" ;;
    "libusb-1.0.pc") CONFIG_FILES="$CONFIG_FILES libusb-1.0.pc" ;;
    "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
    "libusb/Makefile") CONFIG_FILES="$CONFIG_FILES libusb/Makefile" ;;
    "examples/Makefile") CONFIG_FILES="$CONFIG_FILES examples/Makefile" ;;
    "doc/Makefile") CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
    "doc/doxygen.cfg") CONFIG_FILES="$CONFIG_FILES doc/doxygen.cfg" ;;

  *) { { $as_echo "$as_me:$LINENO: error: invalid argument: $ac_config_target" >&5
$as_echo "$as_me: error: invalid argument: $ac_config_target" >&2;}
   { (exit 1); exit 1; }; };;
  esac
done


# If the user did not use the arguments to specify the items to instantiate,
# then the envvar interface is used.  Set only those that are not.
# We use the long form for the default assignment because of an extremely
# bizarre bug on SunOS 4.1.3.
if $ac_need_defaults; then
  test "${CONFIG_FILES+set}" = set || CONFIG_FILES=$config_files
  test "${CONFIG_HEADERS+set}" = set || CONFIG_HEADERS=$config_headers
  test "${CONFIG_COMMANDS+set}" = set || CONFIG_COMMANDS=$config_commands
fi

# Have a temporary directory for convenience.  Make it in the build tree
# simply because there is no reason against having it here, and in addition,
# creating and moving files from /tmp can sometimes cause problems.
# Hook for its removal unless debugging.
# Note that there is a small window in which the directory will not be cleaned:
# after its creation but before its name has been assigned to `$tmp'.
$debug ||
{
  tmp=
  trap 'exit_status=$?
  { test -z "$tmp" || test ! -d "$tmp" || rm -fr "$tmp"; } && exit $exit_status
' 0
  trap '{ (exit 1); exit 1; }' 1 2 13 15
}
# Create a (secure) tmp directory for tmp files.

{
  tmp=`(umask 077 && mktemp -d "./confXXXXXX") 2>/dev/null` &&
  test -n "$tmp" && test -d "$tmp"
}  ||
{
  tmp=./conf$$-$RANDOM
  (umask 077 && mkdir "$tmp")
} ||
{
   $as_echo "$as_me: cannot create a temporary directory in ." >&2
   { (exit 1); exit 1; }
}

# Set up the scripts for CONFIG_FILES section.
# No need to generate them if there are no CONFIG_FILES.
# This happens for instance with `./config.status config.h'.
if test -n "$CONFIG_FILES"; then


ac_cr='
'
ac_cs_awk_cr=`$AWK 'BEGIN { print "a\rb" }' </dev/null 2>/dev/null`
if test "$ac_cs_awk_cr" = "a${ac_cr}b"; then
  ac_cs_awk_cr='\\r'
else
  ac_cs_awk_cr=$ac_cr
fi

echo 'BEGIN {' >"$tmp/subs1.awk" &&
cat >>"$tmp/subs1.awk" <<\_ACAWK &&
S["LTLIBOBJS"]=""
S["LIBOBJS"]=""
S["AM_CFLAGS"]="-std=gnu99 -fgnu89-inline -Wall -Wundef -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration -Wno-pointer-sign -Wshadow"
S["BUILD_EXAMPLES_FALSE"]=""
S["BUILD_EXAMPLES_TRUE"]="#"
S["lt_age"]="0"
S["lt_revision"]="0"
S["lt_major"]="0"
S["OS_LINUX_FALSE"]="#"
S["OS_LINUX_TRUE"]=""
S["OS_LINUX"]=""
S["CPP"]="gcc -E"
S["OTOOL64"]=""
S["OTOOL"]=""
S["LIPO"]=""
S["NMEDIT"]=""
S["DSYMUTIL"]=""
S["lt_ECHO"]="echo"
S["RANLIB"]="ranlib"
S["AR"]="ar"
S["OBJDUMP"]="objdump"
S["LN_S"]="ln -s"
S["NM"]="/usr/bin/nm -B"
S["ac_ct_DUMPBIN"]=""
S["DUMPBIN"]=""
S["LD"]="/usr/bin/ld"
S["FGREP"]="/bin/grep -F"
S["EGREP"]="/bin/grep -E"
S["GREP"]="/bin/grep"
S["SED"]="/bin/sed"
S["host_os"]="linux-gnu"
S["host_vendor"]="pc"
S["host_cpu"]="i686"
S["host"]="i686-pc-linux-gnu"
S["build_os"]="linux-gnu"
S["build_vendor"]="pc"
S["build_cpu"]="i686"
S["build"]="i686-pc-linux-gnu"
S["LIBTOOL"]="$(SHELL) $(top_builddir)/libtool"
S["am__fastdepCC_FALSE"]="#"
S["am__fastdepCC_TRUE"]=""
S["CCDEPMODE"]="depmode=gcc3"
S["AMDEPBACKSLASH"]="\\"
S["AMDEP_FALSE"]="#"
S["AMDEP_TRUE"]=""
S["am__quote"]=""
S["am__include"]="include"
S["DEPDIR"]=".deps"
S["OBJEXT"]="o"
S["EXEEXT"]=""
S["ac_ct_CC"]="gcc"
S["CPPFLAGS"]=""
S["LDFLAGS"]=""
S["CFLAGS"]="-g -O2"
S["CC"]="gcc"
S["am__untar"]="${AMTAR} xf -"
S["am__tar"]="${AMTAR} chof - \"$$tardir\""
S["AMTAR"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run tar"
S["am__leading_dot"]="."
S["SET_MAKE"]=""
S["AWK"]="mawk"
S["mkdir_p"]="/bin/mkdir -p"
S["MKDIR_P"]="/bin/mkdir -p"
S["INSTALL_STRIP_PROGRAM"]="$(install_sh) -c -s"
S["STRIP"]="strip"
S["install_sh"]="$(SHELL) /home/xuyanwu/desktop/libusb-1.0.0/install-sh"
S["MAKEINFO"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run makeinfo"
S["AUTOHEADER"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run autoheader"
S["AUTOMAKE"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run automake-1.10"
S["AUTOCONF"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run autoconf"
S["ACLOCAL"]="${SHELL} /home/xuyanwu/desktop/libusb-1.0.0/missing --run aclocal-1.10"
S["VERSION"]="1.0.0"
S["PACKAGE"]="libusb"
S["CYGPATH_W"]="echo"
S["am__isrc"]=""
S["INSTALL_DATA"]="${INSTALL} -m 644"
S["INSTALL_SCRIPT"]="${INSTALL}"
S["INSTALL_PROGRAM"]="${INSTALL}"
S["target_alias"]=""
S["host_alias"]=""
S["build_alias"]=""
S["LIBS"]=""
S["ECHO_T"]=""
S["ECHO_N"]="-n"
S["ECHO_C"]=""
S["DEFS"]="-DHAVE_CONFIG_H"
S["mandir"]="${datarootdir}/man"
S["localedir"]="${datarootdir}/locale"
S["libdir"]="${exec_prefix}/lib"
S["psdir"]="${docdir}"
S["pdfdir"]="${docdir}"
S["dvidir"]="${docdir}"
S["htmldir"]="${docdir}"
S["infodir"]="${datarootdir}/info"
S["docdir"]="${datarootdir}/doc/${PACKAGE_TARNAME}"
S["oldincludedir"]="/usr/include"
S["includedir"]="${prefix}/include"
S["localstatedir"]="${prefix}/var"
S["sharedstatedir"]="${prefix}/com"
S["sysconfdir"]="${prefix}/etc"
S["datadir"]="${datarootdir}"
S["datarootdir"]="${prefix}/share"
S["libexecdir"]="${exec_prefix}/libexec"
S["sbindir"]="${exec_prefix}/sbin"
S["bindir"]="${exec_prefix}/bin"
S["program_transform_name"]="s,x,x,"
S["prefix"]="/usr/local"
S["exec_prefix"]="${prefix}"
S["PACKAGE_BUGREPORT"]=""
S["PACKAGE_STRING"]="libusb 1.0.0"
S["PACKAGE_VERSION"]="1.0.0"
S["PACKAGE_TARNAME"]="libusb"
S["PACKAGE_NAME"]="libusb"
S["PATH_SEPARATOR"]=":"
S["SHELL"]="/bin/bash"
_ACAWK
cat >>"$tmp/subs1.awk" <<_ACAWK &&
  for (key in S) S_is_set[key] = 1
  FS = ""

}
{
  line = $ 0
  nfields = split(line, field, "@")
  substed = 0
  len = length(field[1])
  for (i = 2; i < nfields; i++) {
    key = field[i]
    keylen = length(key)
    if (S_is_set[key]) {
      value = S[key]
      line = substr(line, 1, len) "" value "" substr(line, len + keylen + 3)
      len += length(value) + length(field[++i])
      substed = 1
    } else
      len += 1 + keylen
  }

  print line
}

_ACAWK
if sed "s/$ac_cr//" < /dev/null > /dev/null 2>&1; then
  sed "s/$ac_cr\$//; s/$ac_cr/$ac_cs_awk_cr/g"
else
  cat
fi < "$tmp/subs1.awk" > "$tmp/subs.awk" \
  || { { $as_echo "$as_me:$LINENO: error: could not setup config files machinery" >&5
$as_echo "$as_me: error: could not setup config files machinery" >&2;}
   { (exit 1); exit 1; }; }
fi # test -n "$CONFIG_FILES"

# Set up the scripts for CONFIG_HEADERS section.
# No need to generate them if there are no CONFIG_HEADERS.
# This happens for instance with `./config.status Makefile'.
if test -n "$CONFIG_HEADERS"; then
cat >"$tmp/defines.awk" <<\_ACAWK ||
BEGIN {
D["PACKAGE_NAME"]=" \"libusb\""
D["PACKAGE_TARNAME"]=" \"libusb\""
D["PACKAGE_VERSION"]=" \"1.0.0\""
D["PACKAGE_STRING"]=" \"libusb 1.0.0\""
D["PACKAGE_BUGREPORT"]=" \"\""
D["PACKAGE"]=" \"libusb\""
D["VERSION"]=" \"1.0.0\""
D["STDC_HEADERS"]=" 1"
D["HAVE_SYS_TYPES_H"]=" 1"
D["HAVE_SYS_STAT_H"]=" 1"
D["HAVE_STDLIB_H"]=" 1"
D["HAVE_STRING_H"]=" 1"
D["HAVE_MEMORY_H"]=" 1"
D["HAVE_STRINGS_H"]=" 1"
D["HAVE_INTTYPES_H"]=" 1"
D["HAVE_STDINT_H"]=" 1"
D["HAVE_UNISTD_H"]=" 1"
D["HAVE_DLFCN_H"]=" 1"
D["LT_OBJDIR"]=" \".libs/\""
D["_GNU_SOURCE"]=" /**/"
D["OS_LINUX"]=" /**/"
D["ENABLE_LOGGING"]=" 1"
D["API_EXPORTED"]=" __attribute__((visibility(\"default\")))"
  for (key in D) D_is_set[key] = 1
  FS = ""
}
/^[\t ]*#[\t ]*(define|undef)[\t ]+[_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ][_abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789]*([\t (]|$)/ {
  line = $ 0
  split(line, arg, " ")
  if (arg[1] == "#") {
    defundef = arg[2]
    mac1 = arg[3]
  } else {
    defundef = substr(arg[1], 2)
    mac1 = arg[2]
  }
  split(mac1, mac2, "(") #)
  macro = mac2[1]
  prefix = substr(line, 1, index(line, defundef) - 1)
  if (D_is_set[macro]) {
    # Preserve the white space surrounding the "#".
    print prefix "define", macro P[macro] D[macro]
    next
  } else {
    # Replace #undef with comments.  This is necessary, for example,
    # in the case of _POSIX_SOURCE, which is predefined and required
    # on some systems where configure will not decide to define it.
    if (defundef == "undef") {
      print "/*", prefix defundef, macro, "*/"
      next
    }
  }
}
{ print }
_ACAWK
  { { $as_echo "$as_me:$LINENO: error: could not setup config headers machinery" >&5
$as_echo "$as_me: error: could not setup config headers machinery" >&2;}
   { (exit 1); exit 1; }; }
fi # test -n "$CONFIG_HEADERS"


eval set X "  :F $CONFIG_FILES  :H $CONFIG_HEADERS    :C $CONFIG_COMMANDS"
shift
for ac_tag
do
  case $ac_tag in
  :[FHLC]) ac_mode=$ac_tag; continue;;
  esac
  case $ac_mode$ac_tag in
  :[FHL]*:*);;
  :L* | :C*:*) { { $as_echo "$as_me:$LINENO: error: invalid tag $ac_tag" >&5
$as_echo "$as_me: error: invalid tag $ac_tag" >&2;}
   { (exit 1); exit 1; }; };;
  :[FH]-) ac_tag=-:-;;
  :[FH]*) ac_tag=$ac_tag:$ac_tag.in;;
  esac
  ac_save_IFS=$IFS
  IFS=:
  set x $ac_tag
  IFS=$ac_save_IFS
  shift
  ac_file=$1
  shift

  case $ac_mode in
  :L) ac_source=$1;;
  :[FH])
    ac_file_inputs=
    for ac_f
    do
      case $ac_f in
      -) ac_f="$tmp/stdin";;
      *) # Look for the file first in the build tree, then in the source tree
	 # (if the path is not absolute).  The absolute path cannot be DOS-style,
	 # because $ac_f cannot contain `:'.
	 test -f "$ac_f" ||
	   case $ac_f in
	   [\\/$]*) false;;
	   *) test -f "$srcdir/$ac_f" && ac_f="$srcdir/$ac_f";;
	   esac ||
	   { { $as_echo "$as_me:$LINENO: error: cannot find input file: $ac_f" >&5
$as_echo "$as_me: error: cannot find input file: $ac_f" >&2;}
   { (exit 1); exit 1; }; };;
      esac
      case $ac_f in *\'*) ac_f=`$as_echo "$ac_f" | sed "s/'/'\\\\\\\\''/g"`;; esac
      ac_file_inputs="$ac_file_inputs '$ac_f'"
    done

    # Let's still pretend it is `configure' which instantiates (i.e., don't
    # use $as_me), people would be surprised to read:
    #    /* config.h.  Generated by config.status.  */
    configure_input='Generated from '`
	  $as_echo "$*" | sed 's|^[^:]*/||;s|:[^:]*/|, |g'
	`' by configure.'
    if test x"$ac_file" != x-; then
      configure_input="$ac_file.  $configure_input"
      { $as_echo "$as_me:$LINENO: creating $ac_file" >&5
$as_echo "$as_me: creating $ac_file" >&6;}
    fi
    # Neutralize special characters interpreted by sed in replacement strings.
    case $configure_input in #(
    *\&* | *\|* | *\\* )
       ac_sed_conf_input=`$as_echo "$configure_input" |
       sed 's/[\\\\&|]/\\\\&/g'`;; #(
    *) ac_sed_conf_input=$configure_input;;
    esac

    case $ac_tag in
    *:-:* | *:-) cat >"$tmp/stdin" \
      || { { $as_echo "$as_me:$LINENO: error: could not create $ac_file" >&5
$as_echo "$as_me: error: could not create $ac_file" >&2;}
   { (exit 1); exit 1; }; } ;;
    esac
    ;;
  esac

  ac_dir=`$as_dirname -- "$ac_file" ||
$as_expr X"$ac_file" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
	 X"$ac_file" : 'X\(//\)[^/]' \| \
	 X"$ac_file" : 'X\(//\)$' \| \
	 X"$ac_file" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X"$ac_file" |
    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
	    s//\1/
	    q
	  }