aclocal.m4

gnu tar 源码包。 tar 软件是 Unix 系统下的一个打包软件

# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# serial 3

# _AM_MANGLE_OPTION(NAME)
# -----------------------
AC_DEFUN([_AM_MANGLE_OPTION],
[[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])

# _AM_SET_OPTION(NAME)
# ------------------------------
# Set option NAME.  Presently that only means defining a flag for this option.
AC_DEFUN([_AM_SET_OPTION],
[m4_define(_AM_MANGLE_OPTION([$1]), 1)])

# _AM_SET_OPTIONS(OPTIONS)
# ----------------------------------
# OPTIONS is a space-separated list of Automake options.
AC_DEFUN([_AM_SET_OPTIONS],
[AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])

# _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
# -------------------------------------------
# Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
AC_DEFUN([_AM_IF_OPTION],
[m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])

# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# AM_RUN_LOG(COMMAND)
# -------------------
# Run COMMAND, save the exit status in ac_status, and log it.
# (This has been adapted from Autoconf's _AC_RUN_LOG macro.)
AC_DEFUN([AM_RUN_LOG],
[{ echo "$as_me:$LINENO: $1" >&AS_MESSAGE_LOG_FD
   ($1) >&AS_MESSAGE_LOG_FD 2>&AS_MESSAGE_LOG_FD
   ac_status=$?
   echo "$as_me:$LINENO: \$? = $ac_status" >&AS_MESSAGE_LOG_FD
   (exit $ac_status); }])

# Check to make sure that the build environment is sane.    -*- Autoconf -*-

# Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
# Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# serial 4

# AM_SANITY_CHECK
# ---------------
AC_DEFUN([AM_SANITY_CHECK],
[AC_MSG_CHECKING([whether build environment is sane])
# Just in case
sleep 1
echo timestamp > conftest.file
# Do `set' in a subshell so we don't clobber the current shell's
# arguments.  Must try -L first in case configure is actually a
# symlink; some systems play weird games with the mod time of symlinks
# (eg FreeBSD returns the mod time of the symlink's containing
# directory).
if (
   set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
   if test "$[*]" = "X"; then
      # -L didn't work.
      set X `ls -t $srcdir/configure conftest.file`
   fi
   rm -f conftest.file
   if test "$[*]" != "X $srcdir/configure conftest.file" \
      && test "$[*]" != "X conftest.file $srcdir/configure"; then

      # If neither matched, then we have a broken ls.  This can happen
      # if, for instance, CONFIG_SHELL is bash and it inherits a
      # broken ls alias from the environment.  This has actually
      # happened.  Such a system could not be considered "sane".
      AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
alias in your environment])
   fi

   test "$[2]" = conftest.file
   )
then
   # Ok.
   :
else
   AC_MSG_ERROR([newly created file is older than distributed files!
Check your system clock])
fi
AC_MSG_RESULT(yes)])

# Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# AM_PROG_INSTALL_STRIP
# ---------------------
# One issue with vendor `install' (even GNU) is that you can't
# specify the program used to strip binaries.  This is especially
# annoying in cross-compiling environments, where the build's strip
# is unlikely to handle the host's binaries.
# Fortunately install-sh will honor a STRIPPROG variable, so we
# always use install-sh in `make install-strip', and initialize
# STRIPPROG with the value of the STRIP variable (set by the user).
AC_DEFUN([AM_PROG_INSTALL_STRIP],
[AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
# Installed binaries are usually stripped using `strip' when the user
# run `make install-strip'.  However `strip' might not be the right
# tool to use in cross-compilation environments, therefore Automake
# will honor the `STRIP' environment variable to overrule this program.
dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
if test "$cross_compiling" != no; then
  AC_CHECK_TOOL([STRIP], [strip], :)
fi
INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
AC_SUBST([INSTALL_STRIP_PROGRAM])])

# Copyright (C) 2006  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# _AM_SUBST_NOTMAKE(VARIABLE)
# ---------------------------
# Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
# This macro is traced by Automake.
AC_DEFUN([_AM_SUBST_NOTMAKE])

# Check how to create a tarball.                            -*- Autoconf -*-

# Copyright (C) 2004, 2005  Free Software Foundation, Inc.
#
# This file is free software; the Free Software Foundation
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.

# serial 2

# _AM_PROG_TAR(FORMAT)
# --------------------
# Check how to create a tarball in format FORMAT.
# FORMAT should be one of `v7', `ustar', or `pax'.
#
# Substitute a variable $(am__tar) that is a command
# writing to stdout a FORMAT-tarball containing the directory
# $tardir.
#     tardir=directory && $(am__tar) > result.tar
#
# Substitute a variable $(am__untar) that extract such
# a tarball read from stdin.
#     $(am__untar) < result.tar
AC_DEFUN([_AM_PROG_TAR],
[# Always define AMTAR for backward compatibility.
AM_MISSING_PROG([AMTAR], [tar])
m4_if([$1], [v7],
     [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
     [m4_case([$1], [ustar],, [pax],,
              [m4_fatal([Unknown tar format])])
AC_MSG_CHECKING([how to create a $1 tar archive])
# Loop over all known methods to create a tar archive until one works.
_am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
_am_tools=${am_cv_prog_tar_$1-$_am_tools}
# Do not fold the above two line into one, because Tru64 sh and
# Solaris sh will not grok spaces in the rhs of `-'.
for _am_tool in $_am_tools
do
  case $_am_tool in
  gnutar)
    for _am_tar in tar gnutar gtar;
    do
      AM_RUN_LOG([$_am_tar --version]) && break
    done
    am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
    am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
    am__untar="$_am_tar -xf -"
    ;;
  plaintar)
    # Must skip GNU tar: if it does not support --format= it doesn't create
    # ustar tarball either.
    (tar --version) >/dev/null 2>&1 && continue
    am__tar='tar chf - "$$tardir"'
    am__tar_='tar chf - "$tardir"'
    am__untar='tar xf -'
    ;;
  pax)
    am__tar='pax -L -x $1 -w "$$tardir"'
    am__tar_='pax -L -x $1 -w "$tardir"'
    am__untar='pax -r'
    ;;
  cpio)
    am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
    am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
    am__untar='cpio -i -H $1 -d'
    ;;
  none)
    am__tar=false
    am__tar_=false
    am__untar=false
    ;;
  esac

  # If the value was cached, stop now.  We just wanted to have am__tar
  # and am__untar set.
  test -n "${am_cv_prog_tar_$1}" && break

  # tar/untar a dummy directory, and stop if the command works
  rm -rf conftest.dir
  mkdir conftest.dir
  echo GrepMe > conftest.dir/file
  AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
  rm -rf conftest.dir
  if test -s conftest.tar; then
    AM_RUN_LOG([$am__untar <conftest.tar])
    grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
  fi
done
rm -rf conftest.dir

AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
AC_MSG_RESULT([$am_cv_prog_tar_$1])])
AC_SUBST([am__tar])
AC_SUBST([am__untar])
]) # _AM_PROG_TAR

m4_include([m4/alloca.m4])
m4_include([m4/argmatch.m4])
m4_include([m4/argp.m4])
m4_include([m4/backupfile.m4])
m4_include([m4/bison.m4])
m4_include([m4/canonicalize-lgpl.m4])
m4_include([m4/chdir-long.m4])
m4_include([m4/chown.m4])
m4_include([m4/clock_time.m4])
m4_include([m4/close-stream.m4])
m4_include([m4/closeout.m4])
m4_include([m4/codeset.m4])
m4_include([m4/d-ino.m4])
m4_include([m4/dirfd.m4])
m4_include([m4/dirname.m4])
m4_include([m4/dos.m4])
m4_include([m4/double-slash-root.m4])
m4_include([m4/dup2.m4])
m4_include([m4/eealloc.m4])
m4_include([m4/environ.m4])
m4_include([m4/eoverflow.m4])
m4_include([m4/error.m4])
m4_include([m4/exclude.m4])
m4_include([m4/exitfail.m4])
m4_include([m4/extensions.m4])
m4_include([m4/fchdir.m4])
m4_include([m4/fcntl-safer.m4])
m4_include([m4/fcntl_h.m4])
m4_include([m4/fileblocks.m4])
m4_include([m4/float_h.m4])
m4_include([m4/fnmatch.m4])
m4_include([m4/fpending.m4])
m4_include([m4/fseeko.m4])
m4_include([m4/ftruncate.m4])
m4_include([m4/getcwd-abort-bug.m4])
m4_include([m4/getcwd-path-max.m4])
m4_include([m4/getcwd.m4])
m4_include([m4/getdate.m4])
m4_include([m4/getdelim.m4])
m4_include([m4/getline.m4])
m4_include([m4/getopt.m4])
m4_include([m4/getpagesize.m4])
m4_include([m4/gettext.m4])
m4_include([m4/gettime.m4])
m4_include([m4/gettimeofday.m4])
m4_include([m4/glibc21.m4])
m4_include([m4/gnulib-common.m4])
m4_include([m4/gnulib-comp.m4])
m4_include([m4/hash.m4])
m4_include([m4/human.m4])
m4_include([m4/iconv.m4])
m4_include([m4/include_next.m4])
m4_include([m4/inline.m4])
m4_include([m4/intlmacosx.m4])
m4_include([m4/intmax_t.m4])
m4_include([m4/inttostr.m4])
m4_include([m4/inttypes-pri.m4])
m4_include([m4/inttypes.m4])
m4_include([m4/inttypes_h.m4])
m4_include([m4/lchown.m4])
m4_include([m4/lib-ld.m4])
m4_include([m4/lib-link.m4])
m4_include([m4/lib-prefix.m4])
m4_include([m4/localcharset.m4])
m4_include([m4/longlong.m4])
m4_include([m4/lseek.m4])
m4_include([m4/lstat.m4])
m4_include([m4/malloc.m4])
m4_include([m4/malloca.m4])
m4_include([m4/mbchar.m4])
m4_include([m4/mbiter.m4])
m4_include([m4/mbrtowc.m4])
m4_include([m4/mbscasecmp.m4])
m4_include([m4/mbstate_t.m4])
m4_include([m4/memchr.m4])
m4_include([m4/mempcpy.m4])
m4_include([m4/memrchr.m4])
m4_include([m4/memset.m4])
m4_include([m4/mkdtemp.m4])
m4_include([m4/mktime.m4])
m4_include([m4/modechange.m4])
m4_include([m4/nls.m4])
m4_include([m4/openat.m4])
m4_include([m4/pathmax.m4])
m4_include([m4/paxutils.m4])
m4_include([m4/po.m4])
m4_include([m4/progtest.m4])
m4_include([m4/quote.m4])
m4_include([m4/quotearg.m4])
m4_include([m4/readlink.m4])
m4_include([m4/realloc.m4])
m4_include([m4/regex.m4])
m4_include([m4/rmdir.m4])
m4_include([m4/rmt.m4])
m4_include([m4/rpmatch.m4])
m4_include([m4/rtapelib.m4])
m4_include([m4/safe-read.m4])
m4_include([m4/safe-write.m4])
m4_include([m4/save-cwd.m4])
m4_include([m4/savedir.m4])
m4_include([m4/setenv.m4])
m4_include([m4/sleep.m4])
m4_include([m4/snprintf.m4])
m4_include([m4/ssize_t.m4])
m4_include([m4/stat-time.m4])
m4_include([m4/stdarg.m4])
m4_include([m4/stdbool.m4])
m4_include([m4/stdint.m4])
m4_include([m4/stdint_h.m4])
m4_include([m4/stdio_h.m4])
m4_include([m4/stdlib_h.m4])
m4_include([m4/stpcpy.m4])
m4_include([m4/strcase.m4])
m4_include([m4/strchrnul.m4])
m4_include([m4/strdup.m4])
m4_include([m4/strerror.m4])
m4_include([m4/string_h.m4])
m4_include([m4/strings_h.m4])
m4_include([m4/strndup.m4])
m4_include([m4/strnlen.m4])
m4_include([m4/strtoimax.m4])
m4_include([m4/strtol.m4])
m4_include([m4/strtoll.m4])
m4_include([m4/strtoul.m4])
m4_include([m4/strtoull.m4])
m4_include([m4/strtoumax.m4])
m4_include([m4/sys_stat_h.m4])
m4_include([m4/sys_time_h.m4])
m4_include([m4/sysexits.m4])
m4_include([m4/system.m4])
m4_include([m4/tempname.m4])
m4_include([m4/time_h.m4])
m4_include([m4/time_r.m4])
m4_include([m4/timespec.m4])
m4_include([m4/tm_gmtoff.m4])
m4_include([m4/unistd-safer.m4])
m4_include([m4/unistd_h.m4])
m4_include([m4/unlinkdir.m4])
m4_include([m4/unlocked-io.m4])
m4_include([m4/utimbuf.m4])
m4_include([m4/utime.m4])
m4_include([m4/utimens.m4])
m4_include([m4/utimes-null.m4])
m4_include([m4/utimes.m4])
m4_include([m4/vasnprintf.m4])
m4_include([m4/vsnprintf.m4])
m4_include([m4/wchar.m4])
m4_include([m4/wchar_t.m4])
m4_include([m4/wctype.m4])
m4_include([m4/wcwidth.m4])
m4_include([m4/wint_t.m4])
m4_include([m4/xalloc.m4])
m4_include([m4/xgetcwd.m4])
m4_include([m4/xsize.m4])
m4_include([m4/xstrndup.m4])
m4_include([m4/xstrtol.m4])