github.com/jlmucb/cloudproxy@v0.0.0-20170830161738-b5aa0b619bc4/src/third_party/gflags/aclocal.m4 (about)

     1  # generated automatically by aclocal 1.10.1 -*- Autoconf -*-
     2  
     3  # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
     4  # 2005, 2006, 2007, 2008  Free Software Foundation, Inc.
     5  # This file is free software; the Free Software Foundation
     6  # gives unlimited permission to copy and/or distribute it,
     7  # with or without modifications, as long as this notice is preserved.
     8  
     9  # This program is distributed in the hope that it will be useful,
    10  # but WITHOUT ANY WARRANTY, to the extent permitted by law; without
    11  # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
    12  # PARTICULAR PURPOSE.
    13  
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    21  
    22  # Copyright (C) 2002, 2003, 2005, 2006, 2007  Free Software Foundation, Inc.
    23  #
    24  # This file is free software; the Free Software Foundation
    25  # gives unlimited permission to copy and/or distribute it,
    26  # with or without modifications, as long as this notice is preserved.
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    60  # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
    61  #
    62  # This file is free software; the Free Software Foundation
    63  # gives unlimited permission to copy and/or distribute it,
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   111  # AM_CONDITIONAL                                            -*- Autoconf -*-
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   113  # Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
   114  # Free Software Foundation, Inc.
   115  #
   116  # This file is free software; the Free Software Foundation
   117  # gives unlimited permission to copy and/or distribute it,
   118  # with or without modifications, as long as this notice is preserved.
   119  
   120  # serial 8
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   122  # AM_CONDITIONAL(NAME, SHELL-CONDITION)
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   145  
   146  # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
   147  # Free Software Foundation, Inc.
   148  #
   149  # This file is free software; the Free Software Foundation
   150  # gives unlimited permission to copy and/or distribute it,
   151  # with or without modifications, as long as this notice is preserved.
   152  
   153  # serial 9
   154  
   155  # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
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   165  # NAME is "CC", "CXX", "GCJ", or "OBJC".
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   243         source=sub/conftest.c object=sub/conftest.${OBJEXT-o} \
   244         depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
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   247         grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
   248         grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
   249         grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
   250         ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
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   253        # that says an option was ignored or not supported.
   254        # When given -MP, icc 7.0 and 7.1 complain thusly:
   255        #   icc: Command line warning: ignoring option '-M'; no argument required
   256        # The diagnosis changed in icc 8.0:
   257        #   icc: Command line remark: option '-MP' not supported
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   277  
   278  
   279  # AM_SET_DEPDIR
   280  # -------------
   281  # Choose a directory name for dependency files.
   282  # This macro is AC_REQUIREd in _AM_DEPENDENCIES
   283  AC_DEFUN([AM_SET_DEPDIR],
   284  [AC_REQUIRE([AM_SET_LEADING_DOT])dnl
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   289  # AM_DEP_TRACK
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   291  AC_DEFUN([AM_DEP_TRACK],
   292  [AC_ARG_ENABLE(dependency-tracking,
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   297    AMDEPBACKSLASH='\'
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   301  _AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
   302  ])
   303  
   304  # Generate code to set up dependency tracking.              -*- Autoconf -*-
   305  
   306  # Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
   307  # Free Software Foundation, Inc.
   308  #
   309  # This file is free software; the Free Software Foundation
   310  # gives unlimited permission to copy and/or distribute it,
   311  # with or without modifications, as long as this notice is preserved.
   312  
   313  #serial 3
   314  
   315  # _AM_OUTPUT_DEPENDENCY_COMMANDS
   316  # ------------------------------
   317  AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
   318  [for mf in $CONFIG_FILES; do
   319    # Strip MF so we end up with the name of the file.
   320    mf=`echo "$mf" | sed -e 's/:.*$//'`
   321    # Check whether this is an Automake generated Makefile or not.
   322    # We used to match only the files named `Makefile.in', but
   323    # some people rename them; so instead we look at the file content.
   324    # Grep'ing the first line is not enough: some people post-process
   325    # each Makefile.in and add a new line on top of each file to say so.
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   344    # simplest approach to changing $(DEPDIR) to its actual value in the
   345    # expansion.
   346    for file in `sed -n "
   347      s/^$am__include $am__quote\(.*(DEPDIR).*\)$am__quote"'$/\1/p' <"$mf" | \
   348         sed -e 's/\$(DEPDIR)/'"$DEPDIR"'/g' -e 's/\$U/'"$U"'/g'`; do
   349      # Make sure the directory exists.
   350      test -f "$dirpart/$file" && continue
   351      fdir=`AS_DIRNAME(["$file"])`
   352      AS_MKDIR_P([$dirpart/$fdir])
   353      # echo "creating $dirpart/$file"
   354      echo '# dummy' > "$dirpart/$file"
   355    done
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   357  ])# _AM_OUTPUT_DEPENDENCY_COMMANDS
   358  
   359  
   360  # AM_OUTPUT_DEPENDENCY_COMMANDS
   361  # -----------------------------
   362  # This macro should only be invoked once -- use via AC_REQUIRE.
   363  #
   364  # This code is only required when automatic dependency tracking
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   366  # need in order to bootstrap the dependency handling code.
   367  AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
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   370       [AMDEP_TRUE="$AMDEP_TRUE" ac_aux_dir="$ac_aux_dir"])
   371  ])
   372  
   373  # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
   374  # Free Software Foundation, Inc.
   375  #
   376  # This file is free software; the Free Software Foundation
   377  # gives unlimited permission to copy and/or distribute it,
   378  # with or without modifications, as long as this notice is preserved.
   379  
   380  # serial 8
   381  
   382  # AM_CONFIG_HEADER is obsolete.  It has been replaced by AC_CONFIG_HEADERS.
   383  AU_DEFUN([AM_CONFIG_HEADER], [AC_CONFIG_HEADERS($@)])
   384  
   385  # Do all the work for Automake.                             -*- Autoconf -*-
   386  
   387  # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   388  # 2005, 2006, 2008 Free Software Foundation, Inc.
   389  #
   390  # This file is free software; the Free Software Foundation
   391  # gives unlimited permission to copy and/or distribute it,
   392  # with or without modifications, as long as this notice is preserved.
   393  
   394  # serial 13
   395  
   396  # This macro actually does too much.  Some checks are only needed if
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   398  
   399  # AM_INIT_AUTOMAKE(PACKAGE, VERSION, [NO-DEFINE])
   400  # AM_INIT_AUTOMAKE([OPTIONS])
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   402  # The call with PACKAGE and VERSION arguments is the old style
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   406  # We support both call styles for the transition.  After
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   410  AC_DEFUN([AM_INIT_AUTOMAKE],
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   414  m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
   415  AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
   416  AC_REQUIRE([AC_PROG_INSTALL])dnl
   417  if test "`cd $srcdir && pwd`" != "`pwd`"; then
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   419    # is not polluted with repeated "-I."
   420    AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
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   423      AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
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   426  
   427  # test whether we have cygpath
   428  if test -z "$CYGPATH_W"; then
   429    if (cygpath --version) >/dev/null 2>/dev/null; then
   430      CYGPATH_W='cygpath -w'
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   432      CYGPATH_W=echo
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   435  AC_SUBST([CYGPATH_W])
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   437  # Define the identity of the package.
   438  dnl Distinguish between old-style and new-style calls.
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   472  	      		     [_AM_PROG_TAR([v7])])])
   473  _AM_IF_OPTION([no-dependencies],,
   474  [AC_PROVIDE_IFELSE([AC_PROG_CC],
   475                    [_AM_DEPENDENCIES(CC)],
   476                    [define([AC_PROG_CC],
   477                            defn([AC_PROG_CC])[_AM_DEPENDENCIES(CC)])])dnl
   478  AC_PROVIDE_IFELSE([AC_PROG_CXX],
   479                    [_AM_DEPENDENCIES(CXX)],
   480                    [define([AC_PROG_CXX],
   481                            defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
   482  AC_PROVIDE_IFELSE([AC_PROG_OBJC],
   483                    [_AM_DEPENDENCIES(OBJC)],
   484                    [define([AC_PROG_OBJC],
   485                            defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
   486  ])
   487  ])
   488  
   489  
   490  # When config.status generates a header, we must update the stamp-h file.
   491  # This file resides in the same directory as the config header
   492  # that is generated.  The stamp files are numbered to have different names.
   493  
   494  # Autoconf calls _AC_AM_CONFIG_HEADER_HOOK (when defined) in the
   495  # loop where config.status creates the headers, so we can generate
   496  # our stamp files there.
   497  AC_DEFUN([_AC_AM_CONFIG_HEADER_HOOK],
   498  [# Compute $1's index in $config_headers.
   499  _am_arg=$1
   500  _am_stamp_count=1
   501  for _am_header in $config_headers :; do
   502    case $_am_header in
   503      $_am_arg | $_am_arg:* )
   504        break ;;
   505      * )
   506        _am_stamp_count=`expr $_am_stamp_count + 1` ;;
   507    esac
   508  done
   509  echo "timestamp for $_am_arg" >`AS_DIRNAME(["$_am_arg"])`/stamp-h[]$_am_stamp_count])
   510  
   511  # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
   512  #
   513  # This file is free software; the Free Software Foundation
   514  # gives unlimited permission to copy and/or distribute it,
   515  # with or without modifications, as long as this notice is preserved.
   516  
   517  # AM_PROG_INSTALL_SH
   518  # ------------------
   519  # Define $install_sh.
   520  AC_DEFUN([AM_PROG_INSTALL_SH],
   521  [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
   522  install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
   523  AC_SUBST(install_sh)])
   524  
   525  # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
   526  #
   527  # This file is free software; the Free Software Foundation
   528  # gives unlimited permission to copy and/or distribute it,
   529  # with or without modifications, as long as this notice is preserved.
   530  
   531  # serial 2
   532  
   533  # Check whether the underlying file-system supports filenames
   534  # with a leading dot.  For instance MS-DOS doesn't.
   535  AC_DEFUN([AM_SET_LEADING_DOT],
   536  [rm -rf .tst 2>/dev/null
   537  mkdir .tst 2>/dev/null
   538  if test -d .tst; then
   539    am__leading_dot=.
   540  else
   541    am__leading_dot=_
   542  fi
   543  rmdir .tst 2>/dev/null
   544  AC_SUBST([am__leading_dot])])
   545  
   546  # Check to see how 'make' treats includes.	            -*- Autoconf -*-
   547  
   548  # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
   549  #
   550  # This file is free software; the Free Software Foundation
   551  # gives unlimited permission to copy and/or distribute it,
   552  # with or without modifications, as long as this notice is preserved.
   553  
   554  # serial 3
   555  
   556  # AM_MAKE_INCLUDE()
   557  # -----------------
   558  # Check to see how make treats includes.
   559  AC_DEFUN([AM_MAKE_INCLUDE],
   560  [am_make=${MAKE-make}
   561  cat > confinc << 'END'
   562  am__doit:
   563  	@echo done
   564  .PHONY: am__doit
   565  END
   566  # If we don't find an include directive, just comment out the code.
   567  AC_MSG_CHECKING([for style of include used by $am_make])
   568  am__include="#"
   569  am__quote=
   570  _am_result=none
   571  # First try GNU make style include.
   572  echo "include confinc" > confmf
   573  # We grep out `Entering directory' and `Leaving directory'
   574  # messages which can occur if `w' ends up in MAKEFLAGS.
   575  # In particular we don't look at `^make:' because GNU make might
   576  # be invoked under some other name (usually "gmake"), in which
   577  # case it prints its new name instead of `make'.
   578  if test "`$am_make -s -f confmf 2> /dev/null | grep -v 'ing directory'`" = "done"; then
   579     am__include=include
   580     am__quote=
   581     _am_result=GNU
   582  fi
   583  # Now try BSD make style include.
   584  if test "$am__include" = "#"; then
   585     echo '.include "confinc"' > confmf
   586     if test "`$am_make -s -f confmf 2> /dev/null`" = "done"; then
   587        am__include=.include
   588        am__quote="\""
   589        _am_result=BSD
   590     fi
   591  fi
   592  AC_SUBST([am__include])
   593  AC_SUBST([am__quote])
   594  AC_MSG_RESULT([$_am_result])
   595  rm -f confinc confmf
   596  ])
   597  
   598  # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
   599  
   600  # Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
   601  # Free Software Foundation, Inc.
   602  #
   603  # This file is free software; the Free Software Foundation
   604  # gives unlimited permission to copy and/or distribute it,
   605  # with or without modifications, as long as this notice is preserved.
   606  
   607  # serial 5
   608  
   609  # AM_MISSING_PROG(NAME, PROGRAM)
   610  # ------------------------------
   611  AC_DEFUN([AM_MISSING_PROG],
   612  [AC_REQUIRE([AM_MISSING_HAS_RUN])
   613  $1=${$1-"${am_missing_run}$2"}
   614  AC_SUBST($1)])
   615  
   616  
   617  # AM_MISSING_HAS_RUN
   618  # ------------------
   619  # Define MISSING if not defined so far and test if it supports --run.
   620  # If it does, set am_missing_run to use it, otherwise, to nothing.
   621  AC_DEFUN([AM_MISSING_HAS_RUN],
   622  [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
   623  AC_REQUIRE_AUX_FILE([missing])dnl
   624  test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
   625  # Use eval to expand $SHELL
   626  if eval "$MISSING --run true"; then
   627    am_missing_run="$MISSING --run "
   628  else
   629    am_missing_run=
   630    AC_MSG_WARN([`missing' script is too old or missing])
   631  fi
   632  ])
   633  
   634  # Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
   635  #
   636  # This file is free software; the Free Software Foundation
   637  # gives unlimited permission to copy and/or distribute it,
   638  # with or without modifications, as long as this notice is preserved.
   639  
   640  # AM_PROG_MKDIR_P
   641  # ---------------
   642  # Check for `mkdir -p'.
   643  AC_DEFUN([AM_PROG_MKDIR_P],
   644  [AC_PREREQ([2.60])dnl
   645  AC_REQUIRE([AC_PROG_MKDIR_P])dnl
   646  dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
   647  dnl while keeping a definition of mkdir_p for backward compatibility.
   648  dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
   649  dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
   650  dnl Makefile.ins that do not define MKDIR_P, so we do our own
   651  dnl adjustment using top_builddir (which is defined more often than
   652  dnl MKDIR_P).
   653  AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
   654  case $mkdir_p in
   655    [[\\/$]]* | ?:[[\\/]]*) ;;
   656    */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
   657  esac
   658  ])
   659  
   660  # Helper functions for option handling.                     -*- Autoconf -*-
   661  
   662  # Copyright (C) 2001, 2002, 2003, 2005  Free Software Foundation, Inc.
   663  #
   664  # This file is free software; the Free Software Foundation
   665  # gives unlimited permission to copy and/or distribute it,
   666  # with or without modifications, as long as this notice is preserved.
   667  
   668  # serial 3
   669  
   670  # _AM_MANGLE_OPTION(NAME)
   671  # -----------------------
   672  AC_DEFUN([_AM_MANGLE_OPTION],
   673  [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
   674  
   675  # _AM_SET_OPTION(NAME)
   676  # ------------------------------
   677  # Set option NAME.  Presently that only means defining a flag for this option.
   678  AC_DEFUN([_AM_SET_OPTION],
   679  [m4_define(_AM_MANGLE_OPTION([$1]), 1)])
   680  
   681  # _AM_SET_OPTIONS(OPTIONS)
   682  # ----------------------------------
   683  # OPTIONS is a space-separated list of Automake options.
   684  AC_DEFUN([_AM_SET_OPTIONS],
   685  [AC_FOREACH([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
   686  
   687  # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
   688  # -------------------------------------------
   689  # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
   690  AC_DEFUN([_AM_IF_OPTION],
   691  [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
   692  
   693  # Check to make sure that the build environment is sane.    -*- Autoconf -*-
   694  
   695  # Copyright (C) 1996, 1997, 2000, 2001, 2003, 2005
   696  # Free Software Foundation, Inc.
   697  #
   698  # This file is free software; the Free Software Foundation
   699  # gives unlimited permission to copy and/or distribute it,
   700  # with or without modifications, as long as this notice is preserved.
   701  
   702  # serial 4
   703  
   704  # AM_SANITY_CHECK
   705  # ---------------
   706  AC_DEFUN([AM_SANITY_CHECK],
   707  [AC_MSG_CHECKING([whether build environment is sane])
   708  # Just in case
   709  sleep 1
   710  echo timestamp > conftest.file
   711  # Do `set' in a subshell so we don't clobber the current shell's
   712  # arguments.  Must try -L first in case configure is actually a
   713  # symlink; some systems play weird games with the mod time of symlinks
   714  # (eg FreeBSD returns the mod time of the symlink's containing
   715  # directory).
   716  if (
   717     set X `ls -Lt $srcdir/configure conftest.file 2> /dev/null`
   718     if test "$[*]" = "X"; then
   719        # -L didn't work.
   720        set X `ls -t $srcdir/configure conftest.file`
   721     fi
   722     rm -f conftest.file
   723     if test "$[*]" != "X $srcdir/configure conftest.file" \
   724        && test "$[*]" != "X conftest.file $srcdir/configure"; then
   725  
   726        # If neither matched, then we have a broken ls.  This can happen
   727        # if, for instance, CONFIG_SHELL is bash and it inherits a
   728        # broken ls alias from the environment.  This has actually
   729        # happened.  Such a system could not be considered "sane".
   730        AC_MSG_ERROR([ls -t appears to fail.  Make sure there is not a broken
   731  alias in your environment])
   732     fi
   733  
   734     test "$[2]" = conftest.file
   735     )
   736  then
   737     # Ok.
   738     :
   739  else
   740     AC_MSG_ERROR([newly created file is older than distributed files!
   741  Check your system clock])
   742  fi
   743  AC_MSG_RESULT(yes)])
   744  
   745  # Copyright (C) 2001, 2003, 2005  Free Software Foundation, Inc.
   746  #
   747  # This file is free software; the Free Software Foundation
   748  # gives unlimited permission to copy and/or distribute it,
   749  # with or without modifications, as long as this notice is preserved.
   750  
   751  # AM_PROG_INSTALL_STRIP
   752  # ---------------------
   753  # One issue with vendor `install' (even GNU) is that you can't
   754  # specify the program used to strip binaries.  This is especially
   755  # annoying in cross-compiling environments, where the build's strip
   756  # is unlikely to handle the host's binaries.
   757  # Fortunately install-sh will honor a STRIPPROG variable, so we
   758  # always use install-sh in `make install-strip', and initialize
   759  # STRIPPROG with the value of the STRIP variable (set by the user).
   760  AC_DEFUN([AM_PROG_INSTALL_STRIP],
   761  [AC_REQUIRE([AM_PROG_INSTALL_SH])dnl
   762  # Installed binaries are usually stripped using `strip' when the user
   763  # run `make install-strip'.  However `strip' might not be the right
   764  # tool to use in cross-compilation environments, therefore Automake
   765  # will honor the `STRIP' environment variable to overrule this program.
   766  dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
   767  if test "$cross_compiling" != no; then
   768    AC_CHECK_TOOL([STRIP], [strip], :)
   769  fi
   770  INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
   771  AC_SUBST([INSTALL_STRIP_PROGRAM])])
   772  
   773  # Copyright (C) 2006  Free Software Foundation, Inc.
   774  #
   775  # This file is free software; the Free Software Foundation
   776  # gives unlimited permission to copy and/or distribute it,
   777  # with or without modifications, as long as this notice is preserved.
   778  
   779  # _AM_SUBST_NOTMAKE(VARIABLE)
   780  # ---------------------------
   781  # Prevent Automake from outputting VARIABLE = @VARIABLE@ in Makefile.in.
   782  # This macro is traced by Automake.
   783  AC_DEFUN([_AM_SUBST_NOTMAKE])
   784  
   785  # Check how to create a tarball.                            -*- Autoconf -*-
   786  
   787  # Copyright (C) 2004, 2005  Free Software Foundation, Inc.
   788  #
   789  # This file is free software; the Free Software Foundation
   790  # gives unlimited permission to copy and/or distribute it,
   791  # with or without modifications, as long as this notice is preserved.
   792  
   793  # serial 2
   794  
   795  # _AM_PROG_TAR(FORMAT)
   796  # --------------------
   797  # Check how to create a tarball in format FORMAT.
   798  # FORMAT should be one of `v7', `ustar', or `pax'.
   799  #
   800  # Substitute a variable $(am__tar) that is a command
   801  # writing to stdout a FORMAT-tarball containing the directory
   802  # $tardir.
   803  #     tardir=directory && $(am__tar) > result.tar
   804  #
   805  # Substitute a variable $(am__untar) that extract such
   806  # a tarball read from stdin.
   807  #     $(am__untar) < result.tar
   808  AC_DEFUN([_AM_PROG_TAR],
   809  [# Always define AMTAR for backward compatibility.
   810  AM_MISSING_PROG([AMTAR], [tar])
   811  m4_if([$1], [v7],
   812       [am__tar='${AMTAR} chof - "$$tardir"'; am__untar='${AMTAR} xf -'],
   813       [m4_case([$1], [ustar],, [pax],,
   814                [m4_fatal([Unknown tar format])])
   815  AC_MSG_CHECKING([how to create a $1 tar archive])
   816  # Loop over all known methods to create a tar archive until one works.
   817  _am_tools='gnutar m4_if([$1], [ustar], [plaintar]) pax cpio none'
   818  _am_tools=${am_cv_prog_tar_$1-$_am_tools}
   819  # Do not fold the above two line into one, because Tru64 sh and
   820  # Solaris sh will not grok spaces in the rhs of `-'.
   821  for _am_tool in $_am_tools
   822  do
   823    case $_am_tool in
   824    gnutar)
   825      for _am_tar in tar gnutar gtar;
   826      do
   827        AM_RUN_LOG([$_am_tar --version]) && break
   828      done
   829      am__tar="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$$tardir"'
   830      am__tar_="$_am_tar --format=m4_if([$1], [pax], [posix], [$1]) -chf - "'"$tardir"'
   831      am__untar="$_am_tar -xf -"
   832      ;;
   833    plaintar)
   834      # Must skip GNU tar: if it does not support --format= it doesn't create
   835      # ustar tarball either.
   836      (tar --version) >/dev/null 2>&1 && continue
   837      am__tar='tar chf - "$$tardir"'
   838      am__tar_='tar chf - "$tardir"'
   839      am__untar='tar xf -'
   840      ;;
   841    pax)
   842      am__tar='pax -L -x $1 -w "$$tardir"'
   843      am__tar_='pax -L -x $1 -w "$tardir"'
   844      am__untar='pax -r'
   845      ;;
   846    cpio)
   847      am__tar='find "$$tardir" -print | cpio -o -H $1 -L'
   848      am__tar_='find "$tardir" -print | cpio -o -H $1 -L'
   849      am__untar='cpio -i -H $1 -d'
   850      ;;
   851    none)
   852      am__tar=false
   853      am__tar_=false
   854      am__untar=false
   855      ;;
   856    esac
   857  
   858    # If the value was cached, stop now.  We just wanted to have am__tar
   859    # and am__untar set.
   860    test -n "${am_cv_prog_tar_$1}" && break
   861  
   862    # tar/untar a dummy directory, and stop if the command works
   863    rm -rf conftest.dir
   864    mkdir conftest.dir
   865    echo GrepMe > conftest.dir/file
   866    AM_RUN_LOG([tardir=conftest.dir && eval $am__tar_ >conftest.tar])
   867    rm -rf conftest.dir
   868    if test -s conftest.tar; then
   869      AM_RUN_LOG([$am__untar <conftest.tar])
   870      grep GrepMe conftest.dir/file >/dev/null 2>&1 && break
   871    fi
   872  done
   873  rm -rf conftest.dir
   874  
   875  AC_CACHE_VAL([am_cv_prog_tar_$1], [am_cv_prog_tar_$1=$_am_tool])
   876  AC_MSG_RESULT([$am_cv_prog_tar_$1])])
   877  AC_SUBST([am__tar])
   878  AC_SUBST([am__untar])
   879  ]) # _AM_PROG_TAR
   880  
   881  m4_include([m4/ac_have_attribute.m4])
   882  m4_include([m4/acx_pthread.m4])
   883  m4_include([m4/google_namespace.m4])
   884  m4_include([m4/libtool.m4])
   885  m4_include([m4/ltoptions.m4])
   886  m4_include([m4/ltsugar.m4])
   887  m4_include([m4/ltversion.m4])
   888  m4_include([m4/lt~obsolete.m4])
   889  m4_include([m4/namespaces.m4])
   890  m4_include([m4/stl_namespace.m4])