#! @SHELL@

# autoreconf - remake all Autoconf configure scripts in a directory tree

# Copyright (C) 1994 Free Software 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 2, or (at your option)

# any later version.

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# 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, write to the Free Software

# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA

# 02111-1307, USA.

usage="\

Usage: autoreconf [-f] [-h] [--help] [-m dir] [--macrodir=dir]

       [-l dir] [--localdir=dir] [--force] [--verbose] [--version]

       [--cygnus] [--foreign] [--gnits] [--gnu] [-i] [--include-deps]"

localdir=

verbose=no

show_version=no

force=no

automake_mode=--gnu

automake_deps=

test -z "$AC_MACRODIR" && AC_MACRODIR=@datadir@

while test $# -gt 0; do

  case "$1" in 

  -h | --help | --h*)

    echo "$usage"; exit 0 ;;

  --localdir=* | --l*=* )

    localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"

    shift ;;

  -l | --localdir | --l*)

    shift

    test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }

    localdir="${1}"

    shift ;;

  --macrodir=* | --m*=* )

    AC_MACRODIR="`echo \"$1\" | sed -e 's/^[^=]*=//'`"

    shift ;;

  -m | --macrodir | --m*)

    shift

    test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }

    AC_MACRODIR="$1"

    shift ;;

  --verbose | --verb*)

    verbose=yes; shift ;;

  -f | --force)

    force=yes; shift ;;

  --version | --vers*)

    show_version=yes; shift ;;

  --cygnus | --foreign | --gnits | --gnu)

    automake_mode=$1; shift ;;

  --include-deps | -i)

    automake_deps=$1; shift ;;

  --)     # Stop option processing.

    shift; break ;;

  -*) echo "$usage" 1>&2; exit 1 ;;

  *) break ;;

  esac

done

if test $show_version = yes; then

  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \

    $AC_MACRODIR/acgeneral.m4`

  echo "Autoconf version $version"

  exit 0

fi

if test $# -ne 0; then

  echo "$usage" 1>&2; exit 1

fi

# The paths to the autoconf and autoheader scripts, at the top of the tree.

top_autoconf=`echo $0|sed s%autoreconf%autoconf%`

top_autoheader=`echo $0|sed s%autoreconf%autoheader%`

# Make a list of directories to process.

# The xargs grep filters out Cygnus configure.in files.

find . -name configure.in -print |

xargs grep -l AC_OUTPUT |

sed 's%/configure\.in$%%; s%^./%%' |

while read dir; do

  (

  cd $dir || continue

  case "$dir" in

  .) dots= ;;

  *) # A "../" for each directory in /$dir.

     dots=`echo /$dir|sed 's%/[^/]*%../%g'` ;;

  esac

  case "$0" in

  /*)  autoconf=$top_autoconf; autoheader=$top_autoheader ;;

  */*) autoconf=$dots$top_autoconf; autoheader=$dots$top_autoheader ;;

  *)   autoconf=$top_autoconf; autoheader=$top_autoheader ;;

  esac

  case "$AC_MACRODIR" in

  /*)  macrodir_opt="--macrodir=$AC_MACRODIR" ;;

  *)   macrodir_opt="--macrodir=$dots$AC_MACRODIR" ;;

  esac

  case "$localdir" in

  "")  localdir_opt=

       aclocal=aclocal.m4 ;;

  /*)  localdir_opt="--localdir=$localdir"

       aclocal=$localdir/aclocal.m4 ;;

  *)   localdir_opt="--localdir=$dots$localdir"

       aclocal=$dots$localdir/aclocal.m4 ;;

  esac

  # Regenerate aclocal.m4 if necessary.  FIXME: if aclocal searches

  # nonstandard directories, we need to deal with that here.  The

  # easiest way is to move this info into configure.in.

  run_aclocal=no

  if test -f "$aclocal" &&

     grep 'generated automatically by aclocal' $aclocal > /dev/null

  then

     run_aclocal=yes

  else

     if test -f `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`/acinclude.m4

     then

	run_aclocal=yes

     fi

  fi

  if test $run_aclocal = yes

  then

     if test $force = no &&

        ls -lt configure.in $aclocal \

	       `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`/acinclude.m4 |

	  sed 1q |

          grep 'aclocal\.m4$' > /dev/null

     then

	:

     else

	test $verbose = yes && echo running aclocal in $dir, creating $aclocal

	aclocal --output=$aclocal -I `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`

     fi

  fi

  # Re-run automake if required.  Assumes that there is a Makefile.am

  # in the topmost directory.

  if test -f Makefile.am

  then

     amforce=

     test $force = no && amforce=--no-force

     test $verbose = yes && echo running automake`test x"$amforce" = x || echo " ($amforce)"` in $dir

     automake $amforce $automake_mode $automake_deps

  fi

  test ! -f $aclocal && aclocal=

  if test $force = no && test -f configure &&

    ls -lt configure configure.in $aclocal | sed 1q |

      grep 'configure$' > /dev/null

  then

    :

  else

    test $verbose = yes && echo running autoconf in $dir

    $autoconf $macrodir_opt $localdir_opt

  fi

  if grep 'A[CM]_CONFIG_HEADER' configure.in >/dev/null; then

    templates=`sed -n '/A[CM]_CONFIG_HEADER/ {

	s%[^#]*A[CM]_CONFIG_HEADER[ 	]*(\([^)]*\).*%\1%

	p

	q

      }' configure.in`

    tcount=`set -- $templates; echo $#`

    template=`set -- $templates; echo $1 | sed '

	s/.*://

	t colon

	s/$/.in/

	: colon

	s/:.*//

      '`

    stamp=`echo $template | sed 's,/*[^/]*$,,;s,^$,.,'`/stamp-h`test "$tcount" -gt 1 && echo "$tcount"`.in

    if test ! -f "$template" || grep autoheader "$template" >/dev/null; then

      if test $force = no && test -f $template &&

	 ls -lt $template configure.in $aclocal $stamp 2>/dev/null \

	        `echo $localdir_opt | sed -e 's/--localdir=//' \

		                          -e '/./ s%$%/%'`acconfig.h |

	   sed 1q | egrep "$template$|$stamp$" > /dev/null

      then

        :

      else

        test $verbose = yes && echo running autoheader in $dir

        $autoheader $macrodir_opt $localdir_opt && 

        { test $verbose != yes || echo touching $stamp; } &&

        touch $stamp

      fi

    fi

  fi

  )

done