Update helper scripts.

* compile, config.guess, config.rpath, config.sub, depcomp, * install-sh, mdate-sh, mkinstalldirs: Update to Feb 25 versions from gnulib.
2025-04-12 22:11:29 +02:00 · 2013-04-24 12:50:28 +02:00 · 2013-04-24 12:50:28 +02:00 · e94aee4b77
commit e94aee4b77
parent bfbd0cb9ff
8 changed files with 956 additions and 488 deletions
--- a/scripts/compile
+++ b/scripts/compile
@ -1,14 +1,14 @@
 #! /bin/sh
-# Wrapper for compilers which do not understand `-c -o'.
+# Wrapper for compilers which do not understand '-c -o'.
-scriptversion=2005-05-14.22
+scriptversion=2012-10-14.11; # UTC
-# Copyright (C) 1999, 2000, 2003, 2004, 2005 Free Software Foundation, Inc.
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
+# the Free Software Foundation; either version 2, or (at your option)
 # any later version.
 #
 # This program is distributed in the hope that it will be useful,
@ -17,8 +17,8 @@ scriptversion=2005-05-14.22
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
-#
+
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
@ -28,21 +28,224 @@ scriptversion=2005-05-14.22
 # bugs to <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 nl='
 '
 # We need space, tab and new line, in precisely that order.  Quoting is
 # there to prevent tools from complaining about whitespace usage.
 IFS=" ""	$nl"
 file_conv=
 # func_file_conv build_file lazy
 # Convert a $build file to $host form and store it in $file
 # Currently only supports Windows hosts. If the determined conversion
 # type is listed in (the comma separated) LAZY, no conversion will
 # take place.
 func_file_conv ()
 {
  file=$1
  case $file in
    / | /[!/]*) # absolute file, and not a UNC file
      if test -z "$file_conv"; then
 	# lazily determine how to convert abs files
 	case `uname -s` in
 	  MINGW*)
 	    file_conv=mingw
 	    ;;
 	  CYGWIN*)
 	    file_conv=cygwin
 	    ;;
 	  *)
 	    file_conv=wine
 	    ;;
 	esac
      fi
      case $file_conv/,$2, in
 	*,$file_conv,*)
 	  ;;
 	mingw/*)
 	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
 	  ;;
 	cygwin/*)
 	  file=`cygpath -m "$file" || echo "$file"`
 	  ;;
 	wine/*)
 	  file=`winepath -w "$file" || echo "$file"`
 	  ;;
      esac
      ;;
  esac
 }
 # func_cl_dashL linkdir
 # Make cl look for libraries in LINKDIR
 func_cl_dashL ()
 {
  func_file_conv "$1"
  if test -z "$lib_path"; then
    lib_path=$file
  else
    lib_path="$lib_path;$file"
  fi
  linker_opts="$linker_opts -LIBPATH:$file"
 }
 # func_cl_dashl library
 # Do a library search-path lookup for cl
 func_cl_dashl ()
 {
  lib=$1
  found=no
  save_IFS=$IFS
  IFS=';'
  for dir in $lib_path $LIB
  do
    IFS=$save_IFS
    if $shared && test -f "$dir/$lib.dll.lib"; then
      found=yes
      lib=$dir/$lib.dll.lib
      break
    fi
    if test -f "$dir/$lib.lib"; then
      found=yes
      lib=$dir/$lib.lib
      break
    fi
    if test -f "$dir/lib$lib.a"; then
      found=yes
      lib=$dir/lib$lib.a
      break
    fi
  done
  IFS=$save_IFS
  if test "$found" != yes; then
    lib=$lib.lib
  fi
 }
 # func_cl_wrapper cl arg...
 # Adjust compile command to suit cl
 func_cl_wrapper ()
 {
  # Assume a capable shell
  lib_path=
  shared=:
  linker_opts=
  for arg
  do
    if test -n "$eat"; then
      eat=
    else
      case $1 in
 	-o)
 	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
 	  eat=1
 	  case $2 in
 	    *.o | *.[oO][bB][jJ])
 	      func_file_conv "$2"
 	      set x "$@" -Fo"$file"
 	      shift
 	      ;;
 	    *)
 	      func_file_conv "$2"
 	      set x "$@" -Fe"$file"
 	      shift
 	      ;;
 	  esac
 	  ;;
 	-I)
 	  eat=1
 	  func_file_conv "$2" mingw
 	  set x "$@" -I"$file"
 	  shift
 	  ;;
 	-I*)
 	  func_file_conv "${1#-I}" mingw
 	  set x "$@" -I"$file"
 	  shift
 	  ;;
 	-l)
 	  eat=1
 	  func_cl_dashl "$2"
 	  set x "$@" "$lib"
 	  shift
 	  ;;
 	-l*)
 	  func_cl_dashl "${1#-l}"
 	  set x "$@" "$lib"
 	  shift
 	  ;;
 	-L)
 	  eat=1
 	  func_cl_dashL "$2"
 	  ;;
 	-L*)
 	  func_cl_dashL "${1#-L}"
 	  ;;
 	-static)
 	  shared=false
 	  ;;
 	-Wl,*)
 	  arg=${1#-Wl,}
 	  save_ifs="$IFS"; IFS=','
 	  for flag in $arg; do
 	    IFS="$save_ifs"
 	    linker_opts="$linker_opts $flag"
 	  done
 	  IFS="$save_ifs"
 	  ;;
 	-Xlinker)
 	  eat=1
 	  linker_opts="$linker_opts $2"
 	  ;;
 	-*)
 	  set x "$@" "$1"
 	  shift
 	  ;;
 	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
 	  func_file_conv "$1"
 	  set x "$@" -Tp"$file"
 	  shift
 	  ;;
 	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
 	  func_file_conv "$1" mingw
 	  set x "$@" "$file"
 	  shift
 	  ;;
 	*)
 	  set x "$@" "$1"
 	  shift
 	  ;;
      esac
    fi
    shift
  done
  if test -n "$linker_opts"; then
    linker_opts="-link$linker_opts"
  fi
  exec "$@" $linker_opts
  exit 1
 }
 eat=
 case $1 in
  '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No command.  Try '$0 --help' for more information." 1>&2
     exit 1;
     ;;
  -h | --h*)
    cat <<\EOF
 Usage: compile [--help] [--version] PROGRAM [ARGS]
-Wrapper for compilers which do not understand `-c -o'.
+Wrapper for compilers which do not understand '-c -o'.
-Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
+Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
 arguments, and rename the output as expected.
 If you are trying to build a whole package this is not the
-right script to run: please start by reading the file `INSTALL'.
+right script to run: please start by reading the file 'INSTALL'.
 Report bugs to <bug-automake@gnu.org>.
 EOF
@ -52,11 +255,13 @@ EOF
    echo "compile $scriptversion"
    exit $?
    ;;
  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
    func_cl_wrapper "$@"      # Doesn't return...
    ;;
 esac
 ofile=
 cfile=
 eat=
 for arg
 do
@ -65,8 +270,8 @@ do
  else
    case $1 in
      -o)
-	# configure might choose to run compile as `compile cc -o foo foo.c'.
+	# configure might choose to run compile as 'compile cc -o foo foo.c'.
-	# So we strip `-o arg' only if arg is an object.
+	# So we strip '-o arg' only if arg is an object.
 	eat=1
 	case $2 in
 	  *.o | *.obj)
@ -93,22 +298,22 @@ do
 done
 if test -z "$ofile" || test -z "$cfile"; then
-  # If no `-o' option was seen then we might have been invoked from a
+  # If no '-o' option was seen then we might have been invoked from a
  # pattern rule where we don't need one.  That is ok -- this is a
  # normal compilation that the losing compiler can handle.  If no
-  # `.c' file was seen then we are probably linking.  That is also
+  # '.c' file was seen then we are probably linking.  That is also
  # ok.
  exec "$@"
 fi
 # Name of file we expect compiler to create.
-cofile=`echo "$cfile" | sed -e 's|^.*/||' -e 's/\.c$/.o/'`
+cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
 # Create the lock directory.
-# Note: use `[/.-]' here to ensure that we don't use the same name
+# Note: use '[/\\:.-]' here to ensure that we don't use the same name
 # that we are using for the .o file.  Also, base the name on the expected
 # object file name, since that is what matters with a parallel build.
-lockdir=`echo "$cofile" | sed -e 's|[/.-]|_|g'`.d
+lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
 while true; do
  if mkdir "$lockdir" >/dev/null 2>&1; then
    break
@ -123,9 +328,9 @@ trap "rmdir '$lockdir'; exit 1" 1 2 15
 ret=$?
 if test -f "$cofile"; then
-  mv "$cofile" "$ofile"
+  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
 elif test -f "${cofile}bj"; then
-  mv "${cofile}bj" "$ofile"
+  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
 fi
 rmdir "$lockdir"
@ -137,5 +342,6 @@ exit $ret
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End:
--- a/scripts/config.guess
+++ b/scripts/config.guess
@ -1,14 +1,12 @@
 #! /bin/sh
 # Attempt to guess a canonical system name.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   Copyright 1992-2013 Free Software Foundation, Inc.
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #   2011, 2012 Free Software Foundation, Inc.
-timestamp='2012-02-10'
+timestamp='2013-02-12'
 # This file is free software; you can redistribute it and/or modify it
 # under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
+# the Free Software Foundation; either version 3 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful, but
@ -22,19 +20,17 @@ timestamp='2012-02-10'
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
-
+# program.  This Exception is an additional permission under section 7
-
+# of the GNU General Public License, version 3 ("GPLv3").
 # Originally written by Per Bothner.  Please send patches (context
 # diff format) to <config-patches@gnu.org> and include a ChangeLog
 # entry.
 #
-# This script attempts to guess a canonical system name similar to
+# Originally written by Per Bothner.
 # config.sub.  If it succeeds, it prints the system name on stdout, and
 # exits with 0.  Otherwise, it exits with 1.
 #
 # You can get the latest version of this script from:
 # http://git.savannah.gnu.org/gitweb/?p=config.git;a=blob_plain;f=config.guess;hb=HEAD
 #
 # Please send patches with a ChangeLog entry to config-patches@gnu.org.
 me=`echo "$0" | sed -e 's,.*/,,'`
@ -54,9 +50,7 @@ version="\
 GNU config.guess ($timestamp)
 Originally written by Per Bothner.
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+Copyright 1992-2013 Free Software Foundation, Inc.
 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@ -200,6 +194,10 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
 	# CPU_TYPE-MANUFACTURER-OPERATING_SYSTEM is used.
 	echo "${machine}-${os}${release}"
 	exit ;;
    *:Bitrig:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/Bitrig.//'`
 	echo ${UNAME_MACHINE_ARCH}-unknown-bitrig${UNAME_RELEASE}
 	exit ;;
    *:OpenBSD:*:*)
 	UNAME_MACHINE_ARCH=`arch | sed 's/OpenBSD.//'`
 	echo ${UNAME_MACHINE_ARCH}-unknown-openbsd${UNAME_RELEASE}
@ -302,7 +300,7 @@ case "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" in
    arm:RISC*:1.[012]*:*|arm:riscix:1.[012]*:*)
 	echo arm-acorn-riscix${UNAME_RELEASE}
 	exit ;;
-    arm:riscos:*:*|arm:RISCOS:*:*)
+    arm*:riscos:*:*|arm*:RISCOS:*:*)
 	echo arm-unknown-riscos
 	exit ;;
    SR2?01:HI-UX/MPP:*:* | SR8000:HI-UX/MPP:*:*)
@ -801,6 +799,9 @@ EOF
    i*:CYGWIN*:*)
 	echo ${UNAME_MACHINE}-pc-cygwin
 	exit ;;
    *:MINGW64*:*)
 	echo ${UNAME_MACHINE}-pc-mingw64
 	exit ;;
    *:MINGW*:*)
 	echo ${UNAME_MACHINE}-pc-mingw32
 	exit ;;
@ -952,6 +953,9 @@ EOF
 	eval `$CC_FOR_BUILD -E $dummy.c 2>/dev/null | grep '^CPU'`
 	test x"${CPU}" != x && { echo "${CPU}-unknown-linux-gnu"; exit; }
 	;;
    or1k:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
    or32:Linux:*:*)
 	echo ${UNAME_MACHINE}-unknown-linux-gnu
 	exit ;;
@ -1201,6 +1205,9 @@ EOF
    BePC:Haiku:*:*)	# Haiku running on Intel PC compatible.
 	echo i586-pc-haiku
 	exit ;;
    x86_64:Haiku:*:*)
 	echo x86_64-unknown-haiku
 	exit ;;
    SX-4:SUPER-UX:*:*)
 	echo sx4-nec-superux${UNAME_RELEASE}
 	exit ;;
@ -1256,7 +1263,7 @@ EOF
    NEO-?:NONSTOP_KERNEL:*:*)
 	echo neo-tandem-nsk${UNAME_RELEASE}
 	exit ;;
-    NSE-?:NONSTOP_KERNEL:*:*)
+    NSE-*:NONSTOP_KERNEL:*:*)
 	echo nse-tandem-nsk${UNAME_RELEASE}
 	exit ;;
    NSR-?:NONSTOP_KERNEL:*:*)
@ -1330,9 +1337,6 @@ EOF
 	exit ;;
 esac
 #echo '(No uname command or uname output not recognized.)' 1>&2
 #echo "${UNAME_MACHINE}:${UNAME_SYSTEM}:${UNAME_RELEASE}:${UNAME_VERSION}" 1>&2
 eval $set_cc_for_build
 cat >$dummy.c <<EOF
 #ifdef _SEQUENT_
--- a/scripts/config.rpath
+++ b/scripts/config.rpath
@ -2,7 +2,7 @@
 # Output a system dependent set of variables, describing how to set the
 # run time search path of shared libraries in an executable.
 #
-#   Copyright 1996-2007 Free Software Foundation, Inc.
+#   Copyright 1996-2013 Free Software Foundation, Inc.
 #   Taken from GNU libtool, 2001
 #   Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996
 #
@ -25,7 +25,7 @@
 #   known workaround is to choose shorter directory names for the build
 #   directory and/or the installation directory.
-# All known linkers require a `.a' archive for static linking (except MSVC,
+# All known linkers require a '.a' archive for static linking (except MSVC,
 # which needs '.lib').
 libext=a
 shrext=.so
@ -47,7 +47,7 @@ for cc_temp in $CC""; do
 done
 cc_basename=`echo "$cc_temp" | sed -e 's%^.*/%%'`
-# Code taken from libtool.m4's AC_LIBTOOL_PROG_COMPILER_PIC.
+# Code taken from libtool.m4's _LT_COMPILER_PIC.
 wl=
 if test "$GCC" = yes; then
@ -57,14 +57,7 @@ else
    aix*)
      wl='-Wl,'
      ;;
-    darwin*)
+    mingw* | cygwin* | pw32* | os2* | cegcc*)
      case $cc_basename in
        xlc*)
          wl='-Wl,'
          ;;
      esac
      ;;
    mingw* | cygwin* | pw32* | os2*)
      ;;
    hpux9* | hpux10* | hpux11*)
      wl='-Wl,'
@ -72,24 +65,37 @@ else
    irix5* | irix6* | nonstopux*)
      wl='-Wl,'
      ;;
-    newsos6)
+    linux* | k*bsd*-gnu | kopensolaris*-gnu)
      ;;
    linux* | k*bsd*-gnu)
      case $cc_basename in
-        icc* | ecc*)
+        ecc*)
          wl='-Wl,'
          ;;
-        pgcc | pgf77 | pgf90)
+        icc* | ifort*)
          wl='-Wl,'
          ;;
        lf95*)
          wl='-Wl,'
          ;;
        nagfor*)
          wl='-Wl,-Wl,,'
          ;;
        pgcc* | pgf77* | pgf90* | pgf95* | pgfortran*)
          wl='-Wl,'
          ;;
        ccc*)
          wl='-Wl,'
          ;;
        xl* | bgxl* | bgf* | mpixl*)
          wl='-Wl,'
          ;;
        como)
          wl='-lopt='
          ;;
        *)
          case `$CC -V 2>&1 | sed 5q` in
            *Sun\ F* | *Sun*Fortran*)
              wl=
              ;;
            *Sun\ C*)
              wl='-Wl,'
              ;;
@ -97,13 +103,24 @@ else
          ;;
      esac
      ;;
    newsos6)
      ;;
    *nto* | *qnx*)
      ;;
    osf3* | osf4* | osf5*)
      wl='-Wl,'
      ;;
    rdos*)
      ;;
    solaris*)
-      wl='-Wl,'
+      case $cc_basename in
        f77* | f90* | f95* | sunf77* | sunf90* | sunf95*)
          wl='-Qoption ld '
          ;;
        *)
          wl='-Wl,'
          ;;
      esac
      ;;
    sunos4*)
      wl='-Qoption ld '
@ -124,7 +141,7 @@ else
  esac
 fi
-# Code taken from libtool.m4's AC_LIBTOOL_PROG_LD_SHLIBS.
+# Code taken from libtool.m4's _LT_LINKER_SHLIBS.
 hardcode_libdir_flag_spec=
 hardcode_libdir_separator=
@ -132,7 +149,7 @@ hardcode_direct=no
 hardcode_minus_L=no
 case "$host_os" in
-  cygwin* | mingw* | pw32*)
+  cygwin* | mingw* | pw32* | cegcc*)
    # 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++.
@ -158,22 +175,21 @@ if test "$with_gnu_ld" = yes; then
  # option of GNU ld is called -rpath, not --rpath.
  hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
  case "$host_os" in
-    aix3* | aix4* | aix5*)
+    aix[3-9]*)
      # On AIX/PPC, the GNU linker is very broken
      if test "$host_cpu" != ia64; then
        ld_shlibs=no
      fi
      ;;
    amigaos*)
-      hardcode_libdir_flag_spec='-L$libdir'
+      case "$host_cpu" in
-      hardcode_minus_L=yes
+        powerpc)
-      # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports
+          ;;
-      # that the semantics of dynamic libraries on AmigaOS, at least up
+        m68k)
-      # to version 4, is to share data among multiple programs linked
+          hardcode_libdir_flag_spec='-L$libdir'
-      # with the same dynamic library.  Since this doesn't match the
+          hardcode_minus_L=yes
-      # behavior of shared libraries on other platforms, we cannot use
+          ;;
-      # them.
+      esac
      ld_shlibs=no
      ;;
    beos*)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
@ -182,7 +198,7 @@ if test "$with_gnu_ld" = yes; then
        ld_shlibs=no
      fi
      ;;
-    cygwin* | mingw* | pw32*)
+    cygwin* | mingw* | pw32* | cegcc*)
      # hardcode_libdir_flag_spec is actually meaningless, as there is
      # no search path for DLLs.
      hardcode_libdir_flag_spec='-L$libdir'
@ -192,11 +208,13 @@ if test "$with_gnu_ld" = yes; then
        ld_shlibs=no
      fi
      ;;
    haiku*)
      ;;
    interix[3-9]*)
      hardcode_direct=no
      hardcode_libdir_flag_spec='${wl}-rpath,$libdir'
      ;;
-    gnu* | linux* | k*bsd*-gnu)
+    gnu* | linux* | tpf* | k*bsd*-gnu | kopensolaris*-gnu)
      if $LD --help 2>&1 | grep ': supported targets:.* elf' > /dev/null; then
        :
      else
@ -254,7 +272,7 @@ else
        hardcode_direct=unsupported
      fi
      ;;
-    aix4* | aix5*)
+    aix[4-9]*)
      if test "$host_cpu" = ia64; then
        # On IA64, the linker does run time linking by default, so we don't
        # have to do anything special.
@ -264,7 +282,7 @@ else
        # 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.
-        case $host_os in aix4.[23]|aix4.[23].*|aix5*)
+        case $host_os in aix4.[23]|aix4.[23].*|aix[5-9]*)
          for ld_flag in $LDFLAGS; do
            if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl"); then
              aix_use_runtimelinking=yes
@ -319,14 +337,18 @@ else
      fi
      ;;
    amigaos*)
-      hardcode_libdir_flag_spec='-L$libdir'
+      case "$host_cpu" in
-      hardcode_minus_L=yes
+        powerpc)
-      # see comment about different semantics on the GNU ld section
+          ;;
-      ld_shlibs=no
+        m68k)
          hardcode_libdir_flag_spec='-L$libdir'
          hardcode_minus_L=yes
          ;;
      esac
      ;;
    bsdi[45]*)
      ;;
-    cygwin* | mingw* | pw32*)
+    cygwin* | mingw* | pw32* | cegcc*)
      # When not using gcc, we currently assume that we are using
      # Microsoft Visual C++.
      # hardcode_libdir_flag_spec is actually meaningless, as there is
@ -336,24 +358,15 @@ else
      ;;
    darwin* | rhapsody*)
      hardcode_direct=no
-      if test "$GCC" = yes ; then
+      if { case $cc_basename in ifort*) true;; *) test "$GCC" = yes;; esac; }; then
        :
      else
-        case $cc_basename in
+        ld_shlibs=no
          xlc*)
            ;;
          *)
            ld_shlibs=no
            ;;
        esac
      fi
      ;;
    dgux*)
      hardcode_libdir_flag_spec='-L$libdir'
      ;;
    freebsd1*)
      ld_shlibs=no
      ;;
    freebsd2.2*)
      hardcode_libdir_flag_spec='-R$libdir'
      hardcode_direct=yes
@ -414,6 +427,8 @@ else
      hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
      hardcode_libdir_separator=:
      ;;
    *nto* | *qnx*)
      ;;
    openbsd*)
      if test -f /usr/libexec/ld.so; then
        hardcode_direct=yes
@ -494,7 +509,7 @@ else
 fi
 # Check dynamic linker characteristics
-# Code taken from libtool.m4's AC_LIBTOOL_SYS_DYNAMIC_LINKER.
+# Code taken from libtool.m4's _LT_SYS_DYNAMIC_LINKER.
 # Unlike libtool.m4, here we don't care about _all_ names of the library, but
 # only about the one the linker finds when passed -lNAME. This is the last
 # element of library_names_spec in libtool.m4, or possibly two of them if the
@ -505,11 +520,16 @@ case "$host_os" in
  aix3*)
    library_names_spec='$libname.a'
    ;;
-  aix4* | aix5*)
+  aix[4-9]*)
    library_names_spec='$libname$shrext'
    ;;
  amigaos*)
-    library_names_spec='$libname.a'
+    case "$host_cpu" in
      powerpc*)
        library_names_spec='$libname$shrext' ;;
      m68k)
        library_names_spec='$libname.a' ;;
    esac
    ;;
  beos*)
    library_names_spec='$libname$shrext'
@ -517,7 +537,7 @@ case "$host_os" in
  bsdi[45]*)
    library_names_spec='$libname$shrext'
    ;;
-  cygwin* | mingw* | pw32*)
+  cygwin* | mingw* | pw32* | cegcc*)
    shrext=.dll
    library_names_spec='$libname.dll.a $libname.lib'
    ;;
@ -528,8 +548,6 @@ case "$host_os" in
  dgux*)
    library_names_spec='$libname$shrext'
    ;;
  freebsd1*)
    ;;
  freebsd* | dragonfly*)
    case "$host_os" in
      freebsd[123]*)
@ -541,6 +559,9 @@ case "$host_os" in
  gnu*)
    library_names_spec='$libname$shrext'
    ;;
  haiku*)
    library_names_spec='$libname$shrext'
    ;;
  hpux9* | hpux10* | hpux11*)
    case $host_cpu in
      ia64*)
@ -576,7 +597,7 @@ case "$host_os" in
    ;;
  linux*oldld* | linux*aout* | linux*coff*)
    ;;
-  linux* | k*bsd*-gnu)
+  linux* | k*bsd*-gnu | kopensolaris*-gnu)
    library_names_spec='$libname$shrext'
    ;;
  knetbsd*-gnu)
@ -588,7 +609,7 @@ case "$host_os" in
  newsos6)
    library_names_spec='$libname$shrext'
    ;;
-  nto-qnx*)
+  *nto* | *qnx*)
    library_names_spec='$libname$shrext'
    ;;
  openbsd*)
@ -619,6 +640,9 @@ case "$host_os" in
  sysv5* | sco3.2v5* | sco5v6* | unixware* | OpenUNIX* | sysv4*uw2*)
    library_names_spec='$libname$shrext'
    ;;
  tpf*)
    library_names_spec='$libname$shrext'
    ;;
  uts4*)
    library_names_spec='$libname$shrext'
    ;;
--- a/scripts/config.sub
+++ b/scripts/config.sub
@ -1,24 +1,18 @@
 #! /bin/sh
 # Configuration validation subroutine script.
-#   Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+#   Copyright 1992-2013 Free Software Foundation, Inc.
 #   2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
 #   2011, 2012 Free Software Foundation, Inc.
-timestamp='2012-02-10'
+timestamp='2013-02-12'
-# This file is (in principle) common to ALL GNU software.
+# This file is free software; you can redistribute it and/or modify it
-# The presence of a machine in this file suggests that SOME GNU software
+# under the terms of the GNU General Public License as published by
-# can handle that machine.  It does not imply ALL GNU software can.
+# the Free Software Foundation; either version 3 of the License, or
 #
 # This file is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
-# This program is distributed in the hope that it will be useful,
+# This program is distributed in the hope that it will be useful, but
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-# GNU General Public License for more details.
+# General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, see <http://www.gnu.org/licenses/>.
@ -26,11 +20,12 @@ timestamp='2012-02-10'
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
-# the same distribution terms that you use for the rest of that program.
+# the same distribution terms that you use for the rest of that
 # program.  This Exception is an additional permission under section 7
 # of the GNU General Public License, version 3 ("GPLv3").
-# Please send patches to <config-patches@gnu.org>.  Submit a context
+# Please send patches with a ChangeLog entry to config-patches@gnu.org.
 # diff and a properly formatted GNU ChangeLog entry.
 #
 # Configuration subroutine to validate and canonicalize a configuration type.
 # Supply the specified configuration type as an argument.
@ -73,9 +68,7 @@ Report bugs and patches to <config-patches@gnu.org>."
 version="\
 GNU config.sub ($timestamp)
-Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+Copyright 1992-2013 Free Software Foundation, Inc.
 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
@ -123,7 +116,7 @@ esac
 maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
 case $maybe_os in
  nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
-  linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
+  linux-musl* | linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
  knetbsd*-gnu* | netbsd*-gnu* | \
  kopensolaris*-gnu* | \
  storm-chaos* | os2-emx* | rtmk-nova*)
@ -156,7 +149,7 @@ case $os in
 	-convergent* | -ncr* | -news | -32* | -3600* | -3100* | -hitachi* |\
 	-c[123]* | -convex* | -sun | -crds | -omron* | -dg | -ultra | -tti* | \
 	-harris | -dolphin | -highlevel | -gould | -cbm | -ns | -masscomp | \
-	-apple | -axis | -knuth | -cray | -microblaze)
+	-apple | -axis | -knuth | -cray | -microblaze*)
 		os=
 		basic_machine=$1
 		;;
@ -225,6 +218,12 @@ case $os in
 	-isc*)
 		basic_machine=`echo $1 | sed -e 's/86-.*/86-pc/'`
 		;;
 	-lynx*178)
 		os=-lynxos178
 		;;
 	-lynx*5)
 		os=-lynxos5
 		;;
 	-lynx*)
 		os=-lynxos
 		;;
@ -253,8 +252,10 @@ case $basic_machine in
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
 	| am33_2.0 \
-	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
+	| arc \
-        | be32 | be64 \
+	| arm | arm[bl]e | arme[lb] | armv[2-8] | armv[3-8][lb] | armv7[arm] \
 	| avr | avr32 \
 	| be32 | be64 \
 	| bfin \
 	| c4x | clipper \
 	| d10v | d30v | dlx | dsp16xx \
@ -267,7 +268,7 @@ case $basic_machine in
 	| le32 | le64 \
 	| lm32 \
 	| m32c | m32r | m32rle | m68000 | m68k | m88k \
-	| maxq | mb | microblaze | mcore | mep | metag \
+	| maxq | mb | microblaze | microblazeel | mcore | mep | metag \
 	| mips | mipsbe | mipseb | mipsel | mipsle \
 	| mips16 \
 	| mips64 | mips64el \
@ -285,16 +286,17 @@ case $basic_machine in
 	| mipsisa64r2 | mipsisa64r2el \
 	| mipsisa64sb1 | mipsisa64sb1el \
 	| mipsisa64sr71k | mipsisa64sr71kel \
 	| mipsr5900 | mipsr5900el \
 	| mipstx39 | mipstx39el \
 	| mn10200 | mn10300 \
 	| moxie \
 	| mt \
 	| msp430 \
 	| nds32 | nds32le | nds32be \
-	| nios | nios2 \
+	| nios | nios2 | nios2eb | nios2el \
 	| ns16k | ns32k \
 	| open8 \
-	| or32 \
+	| or1k | or32 \
 	| pdp10 | pdp11 | pj | pjl \
 	| powerpc | powerpc64 | powerpc64le | powerpcle \
 	| pyramid \
@ -383,7 +385,8 @@ case $basic_machine in
 	| lm32-* \
 	| m32c-* | m32r-* | m32rle-* \
 	| m68000-* | m680[012346]0-* | m68360-* | m683?2-* | m68k-* \
-	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* | microblaze-* \
+	| m88110-* | m88k-* | maxq-* | mcore-* | metag-* \
 	| microblaze-* | microblazeel-* \
 	| mips-* | mipsbe-* | mipseb-* | mipsel-* | mipsle-* \
 	| mips16-* \
 	| mips64-* | mips64el-* \
@ -401,12 +404,13 @@ case $basic_machine in
 	| mipsisa64r2-* | mipsisa64r2el-* \
 	| mipsisa64sb1-* | mipsisa64sb1el-* \
 	| mipsisa64sr71k-* | mipsisa64sr71kel-* \
 	| mipsr5900-* | mipsr5900el-* \
 	| mipstx39-* | mipstx39el-* \
 	| mmix-* \
 	| mt-* \
 	| msp430-* \
 	| nds32-* | nds32le-* | nds32be-* \
-	| nios-* | nios2-* \
+	| nios-* | nios2-* | nios2eb-* | nios2el-* \
 	| none-* | np1-* | ns16k-* | ns32k-* \
 	| open8-* \
 	| orion-* \
@ -782,9 +786,13 @@ case $basic_machine in
 		basic_machine=ns32k-utek
 		os=-sysv
 		;;
-	microblaze)
+	microblaze*)
 		basic_machine=microblaze-xilinx
 		;;
 	mingw64)
 		basic_machine=x86_64-pc
 		os=-mingw64
 		;;
 	mingw32)
 		basic_machine=i386-pc
 		os=-mingw32
@ -1013,7 +1021,11 @@ case $basic_machine in
 		basic_machine=i586-unknown
 		os=-pw32
 		;;
-	rdos)
+	rdos | rdos64)
 		basic_machine=x86_64-pc
 		os=-rdos
 		;;
 	rdos32)
 		basic_machine=i386-pc
 		os=-rdos
 		;;
@ -1340,21 +1352,21 @@ case $os in
 	-gnu* | -bsd* | -mach* | -minix* | -genix* | -ultrix* | -irix* \
 	      | -*vms* | -sco* | -esix* | -isc* | -aix* | -cnk* | -sunos | -sunos[34]*\
 	      | -hpux* | -unos* | -osf* | -luna* | -dgux* | -auroraux* | -solaris* \
-	      | -sym* | -kopensolaris* \
+	      | -sym* | -kopensolaris* | -plan9* \
 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
 	      | -aos* | -aros* \
 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
 	      | -hiux* | -386bsd* | -knetbsd* | -mirbsd* | -netbsd* \
-	      | -openbsd* | -solidbsd* \
+	      | -bitrig* | -openbsd* | -solidbsd* \
 	      | -ekkobsd* | -kfreebsd* | -freebsd* | -riscix* | -lynxos* \
 	      | -bosx* | -nextstep* | -cxux* | -aout* | -elf* | -oabi* \
 	      | -ptx* | -coff* | -ecoff* | -winnt* | -domain* | -vsta* \
 	      | -udi* | -eabi* | -lites* | -ieee* | -go32* | -aux* \
 	      | -chorusos* | -chorusrdb* | -cegcc* \
 	      | -cygwin* | -msys* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
-	      | -mingw32* | -linux-gnu* | -linux-android* \
+	      | -mingw32* | -mingw64* | -linux-gnu* | -linux-android* \
-	      | -linux-newlib* | -linux-uclibc* \
+	      | -linux-newlib* | -linux-musl* | -linux-uclibc* \
 	      | -uxpv* | -beos* | -mpeix* | -udk* \
 	      | -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
 	      | -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
@ -1486,9 +1498,6 @@ case $os in
 	-aros*)
 		os=-aros
 		;;
 	-kaos*)
 		os=-kaos
 		;;
 	-zvmoe)
 		os=-zvmoe
 		;;
@ -1537,6 +1546,9 @@ case $basic_machine in
 	c4x-* | tic4x-*)
 		os=-coff
 		;;
 	hexagon-*)
 		os=-elf
 		;;
 	tic54x-*)
 		os=-coff
 		;;
@ -1577,6 +1589,9 @@ case $basic_machine in
 	mips*-*)
 		os=-elf
 		;;
 	or1k-*)
 		os=-elf
 		;;
 	or32-*)
 		os=-coff
 		;;
--- a/scripts/depcomp
+++ b/scripts/depcomp
@ -1,14 +1,13 @@
 #! /bin/sh
 # depcomp - compile a program generating dependencies as side-effects
-scriptversion=2006-10-15.18
+scriptversion=2012-10-18.11; # UTC
-# Copyright (C) 1999, 2000, 2003, 2004, 2005, 2006 Free Software
+# Copyright (C) 1999-2013 Free Software Foundation, Inc.
 # Foundation, Inc.
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 3, or (at your option)
+# the Free Software Foundation; either version 2, or (at your option)
 # any later version.
 # This program is distributed in the hope that it will be useful,
@ -17,7 +16,7 @@ scriptversion=2006-10-15.18
 # GNU General Public License for more details.
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
@ -28,9 +27,9 @@ scriptversion=2006-10-15.18
 case $1 in
  '')
-     echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
+    echo "$0: No command.  Try '$0 --help' for more information." 1>&2
-     exit 1;
+    exit 1;
-     ;;
+    ;;
  -h | --h*)
    cat <<\EOF
 Usage: depcomp [--help] [--version] PROGRAM [ARGS]
@ -40,11 +39,11 @@ as side-effects.
 Environment variables:
  depmode     Dependency tracking mode.
-  source      Source file read by `PROGRAMS ARGS'.
+  source      Source file read by 'PROGRAMS ARGS'.
-  object      Object file output by `PROGRAMS ARGS'.
+  object      Object file output by 'PROGRAMS ARGS'.
  DEPDIR      directory where to store dependencies.
  depfile     Dependency file to output.
-  tmpdepfile  Temporary file to use when outputing dependencies.
+  tmpdepfile  Temporary file to use when outputting dependencies.
  libtool     Whether libtool is used (yes/no).
 Report bugs to <bug-automake@gnu.org>.
@ -57,6 +56,66 @@ EOF
    ;;
 esac
 # Get the directory component of the given path, and save it in the
 # global variables '$dir'.  Note that this directory component will
 # be either empty or ending with a '/' character.  This is deliberate.
 set_dir_from ()
 {
  case $1 in
    */*) dir=`echo "$1" | sed -e 's|/[^/]*$|/|'`;;
      *) dir=;;
  esac
 }
 # Get the suffix-stripped basename of the given path, and save it the
 # global variable '$base'.
 set_base_from ()
 {
  base=`echo "$1" | sed -e 's|^.*/||' -e 's/\.[^.]*$//'`
 }
 # If no dependency file was actually created by the compiler invocation,
 # we still have to create a dummy depfile, to avoid errors with the
 # Makefile "include basename.Plo" scheme.
 make_dummy_depfile ()
 {
  echo "#dummy" > "$depfile"
 }
 # Factor out some common post-processing of the generated depfile.
 # Requires the auxiliary global variable '$tmpdepfile' to be set.
 aix_post_process_depfile ()
 {
  # If the compiler actually managed to produce a dependency file,
  # post-process it.
  if test -f "$tmpdepfile"; then
    # Each line is of the form 'foo.o: dependency.h'.
    # Do two passes, one to just change these to
    #   $object: dependency.h
    # and one to simply output
    #   dependency.h:
    # which is needed to avoid the deleted-header problem.
    { sed -e "s,^.*\.[$lower]*:,$object:," < "$tmpdepfile"
      sed -e "s,^.*\.[$lower]*:[$tab ]*,," -e 's,$,:,' < "$tmpdepfile"
    } > "$depfile"
    rm -f "$tmpdepfile"
  else
    make_dummy_depfile
  fi
 }
 # A tabulation character.
 tab='	'
 # A newline character.
 nl='
 '
 # Character ranges might be problematic outside the C locale.
 # These definitions help.
 upper=ABCDEFGHIJKLMNOPQRSTUVWXYZ
 lower=abcdefghijklmnopqrstuvwxyz
 digits=0123456789
 alpha=${upper}${lower}
 if test -z "$depmode" || test -z "$source" || test -z "$object"; then
  echo "depcomp: Variables source, object and depmode must be set" 1>&2
  exit 1
@ -69,6 +128,9 @@ tmpdepfile=${tmpdepfile-`echo "$depfile" | sed 's/\.\([^.]*\)$/.T\1/'`}
 rm -f "$tmpdepfile"
 # Avoid interferences from the environment.
 gccflag= dashmflag=
 # Some modes work just like other modes, but use different flags.  We
 # parameterize here, but still list the modes in the big case below,
 # to make depend.m4 easier to write.  Note that we *cannot* use a case
@ -80,9 +142,32 @@ if test "$depmode" = hp; then
 fi
 if test "$depmode" = dashXmstdout; then
-   # This is just like dashmstdout with a different argument.
+  # This is just like dashmstdout with a different argument.
-   dashmflag=-xM
+  dashmflag=-xM
-   depmode=dashmstdout
+  depmode=dashmstdout
 fi
 cygpath_u="cygpath -u -f -"
 if test "$depmode" = msvcmsys; then
  # This is just like msvisualcpp but w/o cygpath translation.
  # Just convert the backslash-escaped backslashes to single forward
  # slashes to satisfy depend.m4
  cygpath_u='sed s,\\\\,/,g'
  depmode=msvisualcpp
 fi
 if test "$depmode" = msvc7msys; then
  # This is just like msvc7 but w/o cygpath translation.
  # Just convert the backslash-escaped backslashes to single forward
  # slashes to satisfy depend.m4
  cygpath_u='sed s,\\\\,/,g'
  depmode=msvc7
 fi
 if test "$depmode" = xlc; then
  # IBM C/C++ Compilers xlc/xlC can output gcc-like dependency information.
  gccflag=-qmakedep=gcc,-MF
  depmode=gcc
 fi
 case "$depmode" in
@ -105,8 +190,7 @@ gcc3)
  done
  "$@"
  stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
@ -114,13 +198,17 @@ gcc3)
  ;;
 gcc)
 ## Note that this doesn't just cater to obsosete pre-3.x GCC compilers.
 ## but also to in-use compilers like IMB xlc/xlC and the HP C compiler.
 ## (see the conditional assignment to $gccflag above).
 ## There are various ways to get dependency output from gcc.  Here's
 ## why we pick this rather obscure method:
 ## - Don't want to use -MD because we'd like the dependencies to end
 ##   up in a subdir.  Having to rename by hand is ugly.
 ##   (We might end up doing this anyway to support other compilers.)
 ## - The DEPENDENCIES_OUTPUT environment variable makes gcc act like
-##   -MM, not -M (despite what the docs say).
+##   -MM, not -M (despite what the docs say).  Also, it might not be
 ##   supported by the other compilers which use the 'gcc' depmode.
 ## - Using -M directly means running the compiler twice (even worse
 ##   than renaming).
  if test -z "$gccflag"; then
@ -128,31 +216,31 @@ gcc)
  fi
  "$@" -Wp,"$gccflag$tmpdepfile"
  stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
-  alpha=ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz
+  # The second -e expression handles DOS-style file names with drive
-## The second -e expression handles DOS-style file names with drive letters.
+  # letters.
  sed -e 's/^[^:]*: / /' \
      -e 's/^['$alpha']:\/[^:]*: / /' < "$tmpdepfile" >> "$depfile"
-## This next piece of magic avoids the `deleted header file' problem.
+## This next piece of magic avoids the "deleted header file" problem.
 ## The problem is that when a header file which appears in a .P file
 ## is deleted, the dependency causes make to die (because there is
 ## typically no way to rebuild the header).  We avoid this by adding
 ## dummy dependencies for each header file.  Too bad gcc doesn't do
 ## this for us directly.
-  tr ' ' '
+## Some versions of gcc put a space before the ':'.  On the theory
 ' < "$tmpdepfile" |
 ## Some versions of gcc put a space before the `:'.  On the theory
 ## that the space means something, we add a space to the output as
-## well.
+## well.  hp depmode also adds that space, but also prefixes the VPATH
 ## to the object.  Take care to not repeat it in the output.
 ## Some versions of the HPUX 10.20 sed can't process this invocation
 ## correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  tr ' ' "$nl" < "$tmpdepfile" \
    | sed -e 's/^\\$//' -e '/^$/d' -e "s|.*$object$||" -e '/:$/d' \
    | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
@ -163,115 +251,136 @@ hp)
  exit 1
  ;;
-sgi)
+xlc)
-  if test "$libtool" = yes; then
+  # This case exists only to let depend.m4 do its work.  It works by
-    "$@" "-Wp,-MDupdate,$tmpdepfile"
+  # looking at the text of this script.  This case will never be run,
-  else
+  # since it is checked for above.
-    "$@" -MDupdate "$tmpdepfile"
+  exit 1
  fi
  stat=$?
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  if test -f "$tmpdepfile"; then  # yes, the sourcefile depend on other files
    echo "$object : \\" > "$depfile"
    # Clip off the initial element (the dependent).  Don't try to be
    # clever and replace this with sed code, as IRIX sed won't handle
    # lines with more than a fixed number of characters (4096 in
    # IRIX 6.2 sed, 8192 in IRIX 6.5).  We also remove comment lines;
    # the IRIX cc adds comments like `#:fec' to the end of the
    # dependency line.
    tr ' ' '
 ' < "$tmpdepfile" \
    | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' | \
    tr '
 ' ' ' >> $depfile
    echo >> $depfile
    # The second pass generates a dummy entry for each header file.
    tr ' ' '
 ' < "$tmpdepfile" \
   | sed -e 's/^.*\.o://' -e 's/#.*$//' -e '/^$/ d' -e 's/$/:/' \
   >> $depfile
  else
    # The sourcefile does not contain any dependencies, so just
    # store a dummy comment line, to avoid errors with the Makefile
    # "include basename.Plo" scheme.
    echo "#dummy" > "$depfile"
  fi
  rm -f "$tmpdepfile"
  ;;
 aix)
  # The C for AIX Compiler uses -M and outputs the dependencies
  # in a .u file.  In older versions, this file always lives in the
-  # current directory.  Also, the AIX compiler puts `$object:' at the
+  # current directory.  Also, the AIX compiler puts '$object:' at the
  # start of each line; $object doesn't have directory information.
  # Version 6 uses the directory in both cases.
-  stripped=`echo "$object" | sed 's/\(.*\)\..*$/\1/'`
+  set_dir_from "$object"
-  tmpdepfile="$stripped.u"
+  set_base_from "$object"
  if test "$libtool" = yes; then
    tmpdepfile1=$dir$base.u
    tmpdepfile2=$base.u
    tmpdepfile3=$dir.libs/$base.u
    "$@" -Wc,-M
  else
    tmpdepfile1=$dir$base.u
    tmpdepfile2=$dir$base.u
    tmpdepfile3=$dir$base.u
    "$@" -M
  fi
  stat=$?
-
+  if test $stat -ne 0; then
-  if test -f "$tmpdepfile"; then :
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
  else
    stripped=`echo "$stripped" | sed 's,^.*/,,'`
    tmpdepfile="$stripped.u"
  fi
  if test $stat -eq 0; then :
  else
    rm -f "$tmpdepfile"
    exit $stat
  fi
-  if test -f "$tmpdepfile"; then
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-    outname="$stripped.o"
+  do
-    # Each line is of the form `foo.o: dependent.h'.
+    test -f "$tmpdepfile" && break
-    # Do two passes, one to just change these to
+  done
-    # `$object: dependent.h' and one to simply `dependent.h:'.
+  aix_post_process_depfile
-    sed -e "s,^$outname:,$object :," < "$tmpdepfile" > "$depfile"
+  ;;
-    sed -e "s,^$outname: \(.*\)$,\1:," < "$tmpdepfile" >> "$depfile"
+
-  else
+tcc)
-    # The sourcefile does not contain any dependencies, so just
+  # tcc (Tiny C Compiler) understand '-MD -MF file' since version 0.9.26
-    # store a dummy comment line, to avoid errors with the Makefile
+  # FIXME: That version still under development at the moment of writing.
-    # "include basename.Plo" scheme.
+  #        Make that this statement remains true also for stable, released
-    echo "#dummy" > "$depfile"
+  #        versions.
  # It will wrap lines (doesn't matter whether long or short) with a
  # trailing '\', as in:
  #
  #   foo.o : \
  #    foo.c \
  #    foo.h \
  #
  # It will put a trailing '\' even on the last line, and will use leading
  # spaces rather than leading tabs (at least since its commit 0394caf7
  # "Emit spaces for -MD").
  "$@" -MD -MF "$tmpdepfile"
  stat=$?
  if test $stat -ne 0; then
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  # Each non-empty line is of the form 'foo.o : \' or ' dep.h \'.
  # We have to change lines of the first kind to '$object: \'.
  sed -e "s|.*:|$object :|" < "$tmpdepfile" > "$depfile"
  # And for each line of the second kind, we have to emit a 'dep.h:'
  # dummy dependency, to avoid the deleted-header problem.
  sed -n -e 's|^  *\(.*\) *\\$|\1:|p' < "$tmpdepfile" >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
-icc)
+## The order of this option in the case statement is important, since the
-  # Intel's C compiler understands `-MD -MF file'.  However on
+## shell code in configure will try each of these formats in the order
-  #    icc -MD -MF foo.d -c -o sub/foo.o sub/foo.c
+## listed in this file.  A plain '-MD' option would be understood by many
-  # ICC 7.0 will fill foo.d with something like
+## compilers, so we must ensure this comes after the gcc and icc options.
-  #    foo.o: sub/foo.c
+pgcc)
-  #    foo.o: sub/foo.h
+  # Portland's C compiler understands '-MD'.
-  # which is wrong.  We want:
+  # Will always output deps to 'file.d' where file is the root name of the
-  #    sub/foo.o: sub/foo.c
+  # source file under compilation, even if file resides in a subdirectory.
-  #    sub/foo.o: sub/foo.h
+  # The object file name does not affect the name of the '.d' file.
-  #    sub/foo.c:
+  # pgcc 10.2 will output
  #    sub/foo.h:
  # ICC 7.1 will output
  #    foo.o: sub/foo.c sub/foo.h
-  # and will wrap long lines using \ :
+  # and will wrap long lines using '\' :
  #    foo.o: sub/foo.c ... \
  #     sub/foo.h ... \
  #     ...
  set_dir_from "$object"
  # Use the source, not the object, to determine the base name, since
  # that's sadly what pgcc will do too.
  set_base_from "$source"
  tmpdepfile=$base.d
-  "$@" -MD -MF "$tmpdepfile"
+  # For projects that build the same source file twice into different object
-  stat=$?
+  # files, the pgcc approach of using the *source* file root name can cause
-  if test $stat -eq 0; then :
+  # problems in parallel builds.  Use a locking strategy to avoid stomping on
-  else
+  # the same $tmpdepfile.
  lockdir=$base.d-lock
  trap "
    echo '$0: caught signal, cleaning up...' >&2
    rmdir '$lockdir'
    exit 1
  " 1 2 13 15
  numtries=100
  i=$numtries
  while test $i -gt 0; do
    # mkdir is a portable test-and-set.
    if mkdir "$lockdir" 2>/dev/null; then
      # This process acquired the lock.
      "$@" -MD
      stat=$?
      # Release the lock.
      rmdir "$lockdir"
      break
    else
      # If the lock is being held by a different process, wait
      # until the winning process is done or we timeout.
      while test -d "$lockdir" && test $i -gt 0; do
        sleep 1
        i=`expr $i - 1`
      done
    fi
    i=`expr $i - 1`
  done
  trap - 1 2 13 15
  if test $i -le 0; then
    echo "$0: failed to acquire lock after $numtries attempts" >&2
    echo "$0: check lockdir '$lockdir'" >&2
    exit 1
  fi
  if test $stat -ne 0; then
    rm -f "$tmpdepfile"
    exit $stat
  fi
@ -283,8 +392,8 @@ icc)
  sed "s,^[^:]*:,$object :," < "$tmpdepfile" > "$depfile"
  # Some versions of the HPUX 10.20 sed can't process this invocation
  # correctly.  Breaking it into two sed invocations is a workaround.
-  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" |
+  sed 's,^[^:]*: \(.*\)$,\1,;s/^\\$//;/^$/d;/:$/d' < "$tmpdepfile" \
-    sed -e 's/$/ :/' >> "$depfile"
+    | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
@ -295,9 +404,8 @@ hp2)
  # 'foo.d', which lands next to the object file, wherever that
  # happens to be.
  # Much of this is similar to the tru64 case; see comments there.
-  dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  set_dir_from  "$object"
-  test "x$dir" = "x$object" && dir=
+  set_base_from "$object"
  base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
  if test "$libtool" = yes; then
    tmpdepfile1=$dir$base.d
    tmpdepfile2=$dir.libs/$base.d
@ -308,8 +416,7 @@ hp2)
    "$@" +Maked
  fi
  stat=$?
-  if test $stat -eq 0; then :
+  if test $stat -ne 0; then
  else
     rm -f "$tmpdepfile1" "$tmpdepfile2"
     exit $stat
  fi
@ -319,72 +426,106 @@ hp2)
    test -f "$tmpdepfile" && break
  done
  if test -f "$tmpdepfile"; then
-    sed -e "s,^.*\.[a-z]*:,$object:," "$tmpdepfile" > "$depfile"
+    sed -e "s,^.*\.[$lower]*:,$object:," "$tmpdepfile" > "$depfile"
-    # Add `dependent.h:' lines.
+    # Add 'dependent.h:' lines.
-    sed -ne '2,${; s/^ *//; s/ \\*$//; s/$/:/; p;}' "$tmpdepfile" >> "$depfile"
+    sed -ne '2,${
               s/^ *//
               s/ \\*$//
               s/$/:/
               p
             }' "$tmpdepfile" >> "$depfile"
  else
-    echo "#dummy" > "$depfile"
+    make_dummy_depfile
  fi
  rm -f "$tmpdepfile" "$tmpdepfile2"
  ;;
 tru64)
-   # The Tru64 compiler uses -MD to generate dependencies as a side
+  # The Tru64 compiler uses -MD to generate dependencies as a side
-   # effect.  `cc -MD -o foo.o ...' puts the dependencies into `foo.o.d'.
+  # effect.  'cc -MD -o foo.o ...' puts the dependencies into 'foo.o.d'.
-   # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
+  # At least on Alpha/Redhat 6.1, Compaq CCC V6.2-504 seems to put
-   # dependencies in `foo.d' instead, so we check for that too.
+  # dependencies in 'foo.d' instead, so we check for that too.
-   # Subdirectories are respected.
+  # Subdirectories are respected.
-   dir=`echo "$object" | sed -e 's|/[^/]*$|/|'`
+  set_dir_from  "$object"
-   test "x$dir" = "x$object" && dir=
+  set_base_from "$object"
   base=`echo "$object" | sed -e 's|^.*/||' -e 's/\.o$//' -e 's/\.lo$//'`
-   if test "$libtool" = yes; then
+  if test "$libtool" = yes; then
-      # With Tru64 cc, shared objects can also be used to make a
+    # Libtool generates 2 separate objects for the 2 libraries.  These
-      # static library.  This mechanism is used in libtool 1.4 series to
+    # two compilations output dependencies in $dir.libs/$base.o.d and
-      # handle both shared and static libraries in a single compilation.
+    # in $dir$base.o.d.  We have to check for both files, because
-      # With libtool 1.4, dependencies were output in $dir.libs/$base.lo.d.
+    # one of the two compilations can be disabled.  We should prefer
-      #
+    # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
-      # With libtool 1.5 this exception was removed, and libtool now
+    # automatically cleaned when .libs/ is deleted, while ignoring
-      # generates 2 separate objects for the 2 libraries.  These two
+    # the former would cause a distcleancheck panic.
-      # compilations output dependencies in $dir.libs/$base.o.d and
+    tmpdepfile1=$dir$base.o.d          # libtool 1.5
-      # in $dir$base.o.d.  We have to check for both files, because
+    tmpdepfile2=$dir.libs/$base.o.d    # Likewise.
-      # one of the two compilations can be disabled.  We should prefer
+    tmpdepfile3=$dir.libs/$base.d      # Compaq CCC V6.2-504
-      # $dir$base.o.d over $dir.libs/$base.o.d because the latter is
+    "$@" -Wc,-MD
-      # automatically cleaned when .libs/ is deleted, while ignoring
+  else
-      # the former would cause a distcleancheck panic.
+    tmpdepfile1=$dir$base.d
-      tmpdepfile1=$dir.libs/$base.lo.d   # libtool 1.4
+    tmpdepfile2=$dir$base.d
-      tmpdepfile2=$dir$base.o.d          # libtool 1.5
+    tmpdepfile3=$dir$base.d
-      tmpdepfile3=$dir.libs/$base.o.d    # libtool 1.5
+    "$@" -MD
-      tmpdepfile4=$dir.libs/$base.d      # Compaq CCC V6.2-504
+  fi
      "$@" -Wc,-MD
   else
      tmpdepfile1=$dir$base.o.d
      tmpdepfile2=$dir$base.d
      tmpdepfile3=$dir$base.d
      tmpdepfile4=$dir$base.d
      "$@" -MD
   fi
-   stat=$?
+  stat=$?
-   if test $stat -eq 0; then :
+  if test $stat -ne 0; then
-   else
+    rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-      rm -f "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+    exit $stat
-      exit $stat
+  fi
   fi
-   for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3" "$tmpdepfile4"
+  for tmpdepfile in "$tmpdepfile1" "$tmpdepfile2" "$tmpdepfile3"
-   do
+  do
-     test -f "$tmpdepfile" && break
+    test -f "$tmpdepfile" && break
-   done
+  done
-   if test -f "$tmpdepfile"; then
+  # Same post-processing that is required for AIX mode.
-      sed -e "s,^.*\.[a-z]*:,$object:," < "$tmpdepfile" > "$depfile"
+  aix_post_process_depfile
-      # That's a tab and a space in the [].
+  ;;
-      sed -e 's,^.*\.[a-z]*:[	 ]*,,' -e 's,$,:,' < "$tmpdepfile" >> "$depfile"
+
-   else
+msvc7)
-      echo "#dummy" > "$depfile"
+  if test "$libtool" = yes; then
-   fi
+    showIncludes=-Wc,-showIncludes
-   rm -f "$tmpdepfile"
+  else
-   ;;
+    showIncludes=-showIncludes
  fi
  "$@" $showIncludes > "$tmpdepfile"
  stat=$?
  grep -v '^Note: including file: ' "$tmpdepfile"
  if test $stat -ne 0; then
    rm -f "$tmpdepfile"
    exit $stat
  fi
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
  # The first sed program below extracts the file names and escapes
  # backslashes for cygpath.  The second sed program outputs the file
  # name when reading, but also accumulates all include files in the
  # hold buffer in order to output them again at the end.  This only
  # works with sed implementations that can handle large buffers.
  sed < "$tmpdepfile" -n '
 /^Note: including file:  *\(.*\)/ {
  s//\1/
  s/\\/\\\\/g
  p
 }' | $cygpath_u | sort -u | sed -n '
 s/ /\\ /g
 s/\(.*\)/'"$tab"'\1 \\/p
 s/.\(.*\) \\/\1:/
 H
 $ {
  s/.*/'"$tab"'/
  G
  p
 }' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
 msvc7msys)
  # This case exists only to let depend.m4 do its work.  It works by
  # looking at the text of this script.  This case will never be run,
  # since it is checked for above.
  exit 1
  ;;
 #nosideeffect)
  # This comment above is used by automake to tell side-effect
@ -397,13 +538,13 @@ dashmstdout)
  # Remove the call to Libtool.
  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
+    while test "X$1" != 'X--mode=compile'; do
      shift
    done
    shift
  fi
-  # Remove `-o $object'.
+  # Remove '-o $object'.
  IFS=" "
  for arg
  do
@ -423,18 +564,18 @@ dashmstdout)
  done
  test -z "$dashmflag" && dashmflag=-M
-  # Require at least two characters before searching for `:'
+  # Require at least two characters before searching for ':'
  # in the target name.  This is to cope with DOS-style filenames:
-  # a dependency such as `c:/foo/bar' could be seen as target `c' otherwise.
+  # a dependency such as 'c:/foo/bar' could be seen as target 'c' otherwise.
  "$@" $dashmflag |
-    sed 's:^[  ]*[^: ][^:][^:]*\:[    ]*:'"$object"'\: :' > "$tmpdepfile"
+    sed "s|^[$tab ]*[^:$tab ][^:][^:]*:[$tab ]*|$object: |" > "$tmpdepfile"
  rm -f "$depfile"
  cat < "$tmpdepfile" > "$depfile"
-  tr ' ' '
+  # Some versions of the HPUX 10.20 sed can't process this sed invocation
-' < "$tmpdepfile" | \
+  # correctly.  Breaking it into two sed invocations is a workaround.
-## Some versions of the HPUX 10.20 sed can't process this invocation
+  tr ' ' "$nl" < "$tmpdepfile" \
-## correctly.  Breaking it into two sed invocations is a workaround.
+    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+    | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
@ -448,41 +589,51 @@ makedepend)
  "$@" || exit $?
  # Remove any Libtool call
  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
+    while test "X$1" != 'X--mode=compile'; do
      shift
    done
    shift
  fi
  # X makedepend
  shift
-  cleared=no
+  cleared=no eat=no
-  for arg in "$@"; do
+  for arg
  do
    case $cleared in
    no)
      set ""; shift
      cleared=yes ;;
    esac
    if test $eat = yes; then
      eat=no
      continue
    fi
    case "$arg" in
    -D*|-I*)
      set fnord "$@" "$arg"; shift ;;
    # Strip any option that makedepend may not understand.  Remove
    # the object too, otherwise makedepend will parse it as a source file.
    -arch)
      eat=yes ;;
    -*|$object)
      ;;
    *)
      set fnord "$@" "$arg"; shift ;;
    esac
  done
-  obj_suffix="`echo $object | sed 's/^.*\././'`"
+  obj_suffix=`echo "$object" | sed 's/^.*\././'`
  touch "$tmpdepfile"
  ${MAKEDEPEND-makedepend} -o"$obj_suffix" -f"$tmpdepfile" "$@"
  rm -f "$depfile"
-  cat < "$tmpdepfile" > "$depfile"
+  # makedepend may prepend the VPATH from the source file name to the object.
-  sed '1,2d' "$tmpdepfile" | tr ' ' '
+  # No need to regex-escape $object, excess matching of '.' is harmless.
-' | \
+  sed "s|^.*\($object *:\)|\1|" "$tmpdepfile" > "$depfile"
-## Some versions of the HPUX 10.20 sed can't process this invocation
+  # Some versions of the HPUX 10.20 sed can't process the last invocation
-## correctly.  Breaking it into two sed invocations is a workaround.
+  # correctly.  Breaking it into two sed invocations is a workaround.
-    sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' | sed -e 's/$/ :/' >> "$depfile"
+  sed '1,2d' "$tmpdepfile" \
    | tr ' ' "$nl" \
    | sed -e 's/^\\$//' -e '/^$/d' -e '/:$/d' \
    | sed -e 's/$/ :/' >> "$depfile"
  rm -f "$tmpdepfile" "$tmpdepfile".bak
  ;;
@ -493,13 +644,13 @@ cpp)
  # Remove the call to Libtool.
  if test "$libtool" = yes; then
-    while test $1 != '--mode=compile'; do
+    while test "X$1" != 'X--mode=compile'; do
      shift
    done
    shift
  fi
-  # Remove `-o $object'.
+  # Remove '-o $object'.
  IFS=" "
  for arg
  do
@ -518,10 +669,10 @@ cpp)
    esac
  done
-  "$@" -E |
+  "$@" -E \
-    sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
+    | sed -n -e '/^# [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-       -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' |
+             -e '/^#line [0-9][0-9]* "\([^"]*\)".*/ s:: \1 \\:p' \
-    sed '$ s: \\$::' > "$tmpdepfile"
+    | sed '$ s: \\$::' > "$tmpdepfile"
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
  cat < "$tmpdepfile" >> "$depfile"
@ -531,35 +682,56 @@ cpp)
 msvisualcpp)
  # Important note: in order to support this mode, a compiler *must*
-  # always write the preprocessed file to stdout, regardless of -o,
+  # always write the preprocessed file to stdout.
  # because we must use -o when running libtool.
  "$@" || exit $?
  # Remove the call to Libtool.
  if test "$libtool" = yes; then
    while test "X$1" != 'X--mode=compile'; do
      shift
    done
    shift
  fi
  IFS=" "
  for arg
  do
    case "$arg" in
    -o)
      shift
      ;;
    $object)
      shift
      ;;
    "-Gm"|"/Gm"|"-Gi"|"/Gi"|"-ZI"|"/ZI")
-	set fnord "$@"
+        set fnord "$@"
-	shift
+        shift
-	shift
+        shift
-	;;
+        ;;
    *)
-	set fnord "$@" "$arg"
+        set fnord "$@" "$arg"
-	shift
+        shift
-	shift
+        shift
-	;;
+        ;;
    esac
  done
-  "$@" -E |
+  "$@" -E 2>/dev/null |
-  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::echo "`cygpath -u \\"\1\\"`":p' | sort | uniq > "$tmpdepfile"
+  sed -n '/^#line [0-9][0-9]* "\([^"]*\)"/ s::\1:p' | $cygpath_u | sort -u > "$tmpdepfile"
  rm -f "$depfile"
  echo "$object : \\" > "$depfile"
-  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::	\1 \\:p' >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::'"$tab"'\1 \\:p' >> "$depfile"
-  echo "	" >> "$depfile"
+  echo "$tab" >> "$depfile"
-  . "$tmpdepfile" | sed 's% %\\ %g' | sed -n '/^\(.*\)$/ s::\1\::p' >> "$depfile"
+  sed < "$tmpdepfile" -n -e 's% %\\ %g' -e '/^\(.*\)$/ s::\1\::p' >> "$depfile"
  rm -f "$tmpdepfile"
  ;;
 msvcmsys)
  # This case exists only to let depend.m4 do its work.  It works by
  # looking at the text of this script.  This case will never be run,
  # since it is checked for above.
  exit 1
  ;;
 none)
  exec "$@"
  ;;
@ -578,5 +750,6 @@ exit 0
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End:
--- a/scripts/install-sh
+++ b/scripts/install-sh
@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
-scriptversion=2006-10-14.15
+scriptversion=2011-11-20.07; # UTC
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@ -35,7 +35,7 @@ scriptversion=2006-10-14.15
 # FSF changes to this file are in the public domain.
 #
 # Calling this script install-sh is preferred over install.sh, to prevent
-# `make' implicit rules from creating a file called install from it
+# 'make' implicit rules from creating a file called install from it
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written
@ -48,7 +48,7 @@ IFS=" ""	$nl"
 # set DOITPROG to echo to test this script
 # Don't use :- since 4.3BSD and earlier shells don't like it.
-doit="${DOITPROG-}"
+doit=${DOITPROG-}
 if test -z "$doit"; then
  doit_exec=exec
 else
@ -58,34 +58,49 @@ fi
 # Put in absolute file names if you don't have them in your path;
 # or use environment vars.
-mvprog="${MVPROG-mv}"
+chgrpprog=${CHGRPPROG-chgrp}
-cpprog="${CPPROG-cp}"
+chmodprog=${CHMODPROG-chmod}
-chmodprog="${CHMODPROG-chmod}"
+chownprog=${CHOWNPROG-chown}
-chownprog="${CHOWNPROG-chown}"
+cmpprog=${CMPPROG-cmp}
-chgrpprog="${CHGRPPROG-chgrp}"
+cpprog=${CPPROG-cp}
-stripprog="${STRIPPROG-strip}"
+mkdirprog=${MKDIRPROG-mkdir}
-rmprog="${RMPROG-rm}"
+mvprog=${MVPROG-mv}
-mkdirprog="${MKDIRPROG-mkdir}"
+rmprog=${RMPROG-rm}
 stripprog=${STRIPPROG-strip}
 posix_glob='?'
 initialize_posix_glob='
  test "$posix_glob" != "?" || {
    if (set -f) 2>/dev/null; then
      posix_glob=
    else
      posix_glob=:
    fi
  }
 '
 posix_glob=
 posix_mkdir=
 # Desired mode of installed file.
 mode=0755
 chgrpcmd=
 chmodcmd=$chmodprog
 chowncmd=
-chgrpcmd=
+mvcmd=$mvprog
 stripcmd=
 rmcmd="$rmprog -f"
-mvcmd="$mvprog"
+stripcmd=
 src=
 dst=
 dir_arg=
-dstarg=
+dst_arg=
 copy_on_change=false
 no_target_directory=
-usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
+usage="\
 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
   or: $0 [OPTION]... SRCFILES... DIRECTORY
   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
   or: $0 [OPTION]... -d DIRECTORIES...
@ -95,65 +110,59 @@ In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
 In the 4th, create DIRECTORIES.
 Options:
-c         (ignored)
+     --help     display this help and exit.
-d         create directories instead of installing files.
+     --version  display version info and exit.
-g GROUP   $chgrpprog installed files to GROUP.
+
-m MODE    $chmodprog installed files to MODE.
+  -c            (ignored)
-o USER    $chownprog installed files to USER.
+  -C            install only if different (preserve the last data modification time)
-s         $stripprog installed files.
+  -d            create directories instead of installing files.
-t DIRECTORY  install into DIRECTORY.
+  -g GROUP      $chgrpprog installed files to GROUP.
-T         report an error if DSTFILE is a directory.
+  -m MODE       $chmodprog installed files to MODE.
--help     display this help and exit.
+  -o USER       $chownprog installed files to USER.
--version  display version info and exit.
+  -s            $stripprog installed files.
  -t DIRECTORY  install into DIRECTORY.
  -T            report an error if DSTFILE is a directory.
 Environment variables override the default commands:
-  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
+  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
  RMPROG STRIPPROG
 "
 while test $# -ne 0; do
  case $1 in
-    -c) shift
+    -c) ;;
        continue;;
-    -d) dir_arg=true
+    -C) copy_on_change=true;;
-        shift
+
-        continue;;
+    -d) dir_arg=true;;
    -g) chgrpcmd="$chgrpprog $2"
-        shift
+	shift;;
        shift
        continue;;
    --help) echo "$usage"; exit $?;;
    -m) mode=$2
        shift
        shift
 	case $mode in
 	  *' '* | *'	'* | *'
 '*	  | *'*'* | *'?'* | *'['*)
 	    echo "$0: invalid mode: $mode" >&2
 	    exit 1;;
 	esac
-        continue;;
+	shift;;
    -o) chowncmd="$chownprog $2"
-        shift
+	shift;;
        shift
        continue;;
-    -s) stripcmd=$stripprog
+    -s) stripcmd=$stripprog;;
        shift
        continue;;
-    -t) dstarg=$2
+    -t) dst_arg=$2
-	shift
+	# Protect names problematic for 'test' and other utilities.
-	shift
+	case $dst_arg in
-	continue;;
+	  -* | [=\(\)!]) dst_arg=./$dst_arg;;
 	esac
 	shift;;
-    -T) no_target_directory=true
+    -T) no_target_directory=true;;
 	shift
 	continue;;
    --version) echo "$0 $scriptversion"; exit $?;;
@ -165,21 +174,26 @@ while test $# -ne 0; do
    *)  break;;
  esac
  shift
 done
-if test $# -ne 0 && test -z "$dir_arg$dstarg"; then
+if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
  # When -d is used, all remaining arguments are directories to create.
  # When -t is used, the destination is already specified.
  # Otherwise, the last argument is the destination.  Remove it from $@.
  for arg
  do
-    if test -n "$dstarg"; then
+    if test -n "$dst_arg"; then
      # $@ is not empty: it contains at least $arg.
-      set fnord "$@" "$dstarg"
+      set fnord "$@" "$dst_arg"
      shift # fnord
    fi
    shift # arg
-    dstarg=$arg
+    dst_arg=$arg
    # Protect names problematic for 'test' and other utilities.
    case $dst_arg in
      -* | [=\(\)!]) dst_arg=./$dst_arg;;
    esac
  done
 fi
@ -188,13 +202,17 @@ if test $# -eq 0; then
    echo "$0: no input file specified." >&2
    exit 1
  fi
-  # It's OK to call `install-sh -d' without argument.
+  # It's OK to call 'install-sh -d' without argument.
  # This can happen when creating conditional directories.
  exit 0
 fi
 if test -z "$dir_arg"; then
-  trap '(exit $?); exit' 1 2 13 15
+  do_exit='(exit $ret); exit $ret'
  trap "ret=129; $do_exit" 1
  trap "ret=130; $do_exit" 2
  trap "ret=141; $do_exit" 13
  trap "ret=143; $do_exit" 15
  # Set umask so as not to create temps with too-generous modes.
  # However, 'strip' requires both read and write access to temps.
@ -222,9 +240,9 @@ fi
 for src
 do
-  # Protect names starting with `-'.
+  # Protect names problematic for 'test' and other utilities.
  case $src in
-    -*) src=./$src ;;
+    -* | [=\(\)!]) src=./$src;;
  esac
  if test -n "$dir_arg"; then
@ -242,22 +260,17 @@ do
      exit 1
    fi
-    if test -z "$dstarg"; then
+    if test -z "$dst_arg"; then
      echo "$0: no destination specified." >&2
      exit 1
    fi
-
+    dst=$dst_arg
    dst=$dstarg
    # Protect names starting with `-'.
    case $dst in
      -*) dst=./$dst ;;
    esac
    # If destination is a directory, append the input filename; won't work
    # if double slashes aren't ignored.
    if test -d "$dst"; then
      if test -n "$no_target_directory"; then
-	echo "$0: $dstarg: Is a directory" >&2
+	echo "$0: $dst_arg: Is a directory" >&2
 	exit 1
      fi
      dstdir=$dst
@ -341,7 +354,7 @@ do
 	      if test -z "$dir_arg" || {
 		   # Check for POSIX incompatibilities with -m.
 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
-		   # other-writeable bit of parent directory when it shouldn't.
+		   # other-writable bit of parent directory when it shouldn't.
 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
 		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
 		   case $ls_ld_tmpdir in
@ -378,33 +391,26 @@ do
      # directory the slow way, step by step, checking for races as we go.
      case $dstdir in
-	/*) prefix=/ ;;
+	/*) prefix='/';;
-	-*) prefix=./ ;;
+	[-=\(\)!]*) prefix='./';;
-	*)  prefix= ;;
+	*)  prefix='';;
      esac
-      case $posix_glob in
+      eval "$initialize_posix_glob"
        '')
 	  if (set -f) 2>/dev/null; then
 	    posix_glob=true
 	  else
 	    posix_glob=false
 	  fi ;;
      esac
      oIFS=$IFS
      IFS=/
-      $posix_glob && set -f
+      $posix_glob set -f
      set fnord $dstdir
      shift
-      $posix_glob && set +f
+      $posix_glob set +f
      IFS=$oIFS
      prefixes=
      for d
      do
-	test -z "$d" && continue
+	test X"$d" = X && continue
 	prefix=$prefix$d
 	if test -d "$prefix"; then
@ -459,41 +465,54 @@ do
    # ignore errors from any of these, just make sure not to ignore
    # errors from the above "$doit $cpprog $src $dsttmp" command.
    #
-    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
+    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
-      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
+    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
-      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
+    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
-      && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
+    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
-    # Now rename the file to the real destination.
+    # If -C, don't bother to copy if it wouldn't change the file.
-    { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \
+    if $copy_on_change &&
-      || {
+       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
-	   # The rename failed, perhaps because mv can't rename something else
+       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
 	   # to itself, or perhaps because mv is so ancient that it does not
 	   # support -f.
-	   # Now remove or move aside any old file at destination location.
+       eval "$initialize_posix_glob" &&
-	   # We try this two ways since rm can't unlink itself on some
+       $posix_glob set -f &&
-	   # systems and the destination file might be busy for other
+       set X $old && old=:$2:$4:$5:$6 &&
-	   # reasons.  In this case, the final cleanup might fail but the new
+       set X $new && new=:$2:$4:$5:$6 &&
-	   # file should still install successfully.
+       $posix_glob set +f &&
 	   {
 	     if test -f "$dst"; then
 	       $doit $rmcmd -f "$dst" 2>/dev/null \
 	       || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \
 		     && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\
 	       || {
 		 echo "$0: cannot unlink or rename $dst" >&2
 		 (exit 1); exit 1
 	       }
 	     else
 	       :
 	     fi
 	   } &&
-	   # Now rename the file to the real destination.
+       test "$old" = "$new" &&
-	   $doit $mvcmd "$dsttmp" "$dst"
+       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
-	 }
+    then
-    } || exit 1
+      rm -f "$dsttmp"
    else
      # Rename the file to the real destination.
      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
      # The rename failed, perhaps because mv can't rename something else
      # to itself, or perhaps because mv is so ancient that it does not
      # support -f.
      {
 	# Now remove or move aside any old file at destination location.
 	# We try this two ways since rm can't unlink itself on some
 	# systems and the destination file might be busy for other
 	# reasons.  In this case, the final cleanup might fail but the new
 	# file should still install successfully.
 	{
 	  test ! -f "$dst" ||
 	  $doit $rmcmd -f "$dst" 2>/dev/null ||
 	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
 	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
 	  } ||
 	  { echo "$0: cannot unlink or rename $dst" >&2
 	    (exit 1); exit 1
 	  }
 	} &&
 	# Now rename the file to the real destination.
 	$doit $mvcmd "$dsttmp" "$dst"
      }
    fi || exit 1
    trap '' 0
  fi
@ -503,5 +522,6 @@ done
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End:
--- a/scripts/mdate-sh
+++ b/scripts/mdate-sh
@ -1,10 +1,9 @@
 #!/bin/sh
 # Get modification time of a file or directory and pretty-print it.
-scriptversion=2005-06-29.22
+scriptversion=2010-08-21.06; # UTC
-# Copyright (C) 1995, 1996, 1997, 2003, 2004, 2005 Free Software
+# Copyright (C) 1995-2013 Free Software Foundation, Inc.
 # Foundation, Inc.
 # written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, June 1995
 #
 # This program is free software; you can redistribute it and/or modify
@ -18,7 +17,8 @@ scriptversion=2005-06-29.22
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
-# along with this program; if not, see <http://www.gnu.org/licenses/>.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
 # As a special exception to the GNU General Public License, if you
 # distribute this file as part of a program that contains a
 # configuration script generated by Autoconf, you may include it under
@ -28,16 +28,26 @@ scriptversion=2005-06-29.22
 # bugs to <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
  emulate sh
  NULLCMD=:
  # Pre-4.2 versions of Zsh do word splitting on ${1+"$@"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+"$@"}'='"$@"'
  setopt NO_GLOB_SUBST
 fi
 case $1 in
  '')
-     echo "$0: No file.  Try \`$0 --help' for more information." 1>&2
+     echo "$0: No file.  Try '$0 --help' for more information." 1>&2
     exit 1;
     ;;
  -h | --h*)
    cat <<\EOF
 Usage: mdate-sh [--help] [--version] FILE
-Pretty-print the modification time of FILE.
+Pretty-print the modification day of FILE, in the format:
 1 January 1970
 Report bugs to <bug-automake@gnu.org>.
 EOF
@ -49,6 +59,13 @@ EOF
    ;;
 esac
 error ()
 {
  echo "$0: $1" >&2
  exit 1
 }
 # Prevent date giving response in another language.
 LANG=C
 export LANG
@ -58,7 +75,7 @@ LC_TIME=C
 export LC_TIME
 # GNU ls changes its time format in response to the TIME_STYLE
-# variable.  Since we cannot assume `unset' works, revert this
+# variable.  Since we cannot assume 'unset' works, revert this
 # variable to its documented default.
 if test "${TIME_STYLE+set}" = set; then
  TIME_STYLE=posix-long-iso
@ -73,27 +90,32 @@ if ls -L /dev/null 1>/dev/null 2>&1; then
 else
  ls_command='ls -l -d'
 fi
 # Avoid user/group names that might have spaces, when possible.
 if ls -n /dev/null 1>/dev/null 2>&1; then
  ls_command="$ls_command -n"
 fi
-# A `ls -l' line looks as follows on OS/2.
+# A 'ls -l' line looks as follows on OS/2.
 #  drwxrwx---        0 Aug 11  2001 foo
 # This differs from Unix, which adds ownership information.
 #  drwxrwx---   2 root  root      4096 Aug 11  2001 foo
 #
 # To find the date, we split the line on spaces and iterate on words
 # until we find a month.  This cannot work with files whose owner is a
-# user named `Jan', or `Feb', etc.  However, it's unlikely that `/'
+# user named "Jan", or "Feb", etc.  However, it's unlikely that '/'
 # will be owned by a user whose name is a month.  So we first look at
 # the extended ls output of the root directory to decide how many
 # words should be skipped to get the date.
 # On HPUX /bin/sh, "set" interprets "-rw-r--r--" as options, so the "x" below.
-set x`ls -l -d /`
+set x`$ls_command /`
 # Find which argument is the month.
 month=
 command=
 until test $month
 do
  test $# -gt 0 || error "failed parsing '$ls_command /' output"
  shift
  # Add another shift to the command.
  command="$command shift;"
@ -113,8 +135,10 @@ do
  esac
 done
 test -n "$month" || error "failed parsing '$ls_command /' output"
 # Get the extended ls output of the file or directory.
-set dummy x`eval "$ls_command \"\$save_arg1\""`
+set dummy x`eval "$ls_command \"\\\$save_arg1\""`
 # Remove all preceding arguments
 eval $command
@ -195,5 +219,6 @@ echo $day $month $year
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End:
--- a/scripts/mkinstalldirs
+++ b/scripts/mkinstalldirs
@ -1,7 +1,7 @@
 #! /bin/sh
 # mkinstalldirs --- make directory hierarchy
-scriptversion=2006-05-11.19
+scriptversion=2009-04-28.21; # UTC
 # Original author: Noah Friedman <friedman@prep.ai.mit.edu>
 # Created: 1993-05-16
@ -81,9 +81,9 @@ case $dirmode in
      echo "mkdir -p -- $*"
      exec mkdir -p -- "$@"
    else
-      # On NextStep and OpenStep, the `mkdir' command does not
+      # On NextStep and OpenStep, the 'mkdir' command does not
      # recognize any option.  It will interpret all options as
-      # directories to create, and then abort because `.' already
+      # directories to create, and then abort because '.' already
      # exists.
      test -d ./-p && rmdir ./-p
      test -d ./--version && rmdir ./--version
@ -157,5 +157,6 @@ exit $errstatus
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-end: "$"
+# time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"
 # End: