[runtime.git] / apps / autodist / autodist.in

#!/bin/sh
#
# Author: Pekka Riikonen <priikone@silcnet.org>
#
# Copyright (C) 2005 - 2007 Pekka Riikonen
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#   1. Redistributions of source code must retain the above copyright
#      notice, this list of conditions and the following disclaimer.
#   2. Redistributions in binary form must reproduce the above copyright
#      notice, this list of conditions and the following disclaimer in the
#      documentation and/or other materials provided with the distribution.
#   3. The name of the author may not be used to endorse or promote
#      products derived from this software without specific prior written
#      permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
# NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

###############################################################################
# Shell compatibility

# Be Bourne compatible
if test -n "${ZSH_VERSION+set}" && (emulate sh) >/dev/null 2>&1; then
  # Despite of this, we have managed to segfault some zsh's.
  emulate sh
  NULLCMD=:
  # Zsh 3.x and 4.x performs word splitting on ${1+"$@"}, which
  # is contrary to our usage.  Disable this feature.
  alias -g '${1+"$@"}'='"$@"'
fi
DUALCASE=1; export DUALCASE # for MKS sh

# Support unset when possible.
if ( (MAIL=60; unset MAIL) || exit) >/dev/null 2>&1; then
  as_unset=unset
else
  as_unset=false
fi

# Work around bugs in pre-3.0 UWIN ksh.
$as_unset ENV MAIL MAILPATH
PS1='$ '
PS2='> '
PS4='+ '

# NLS nuisances.
for as_var in \
  LANG LANGUAGE LC_ADDRESS LC_ALL LC_COLLATE LC_CTYPE LC_IDENTIFICATION \
  LC_MEASUREMENT LC_MESSAGES LC_MONETARY LC_NAME LC_NUMERIC LC_PAPER \
  LC_TELEPHONE LC_TIME
do
  if (set +x; test -z "`(eval $as_var=C; export $as_var) 2>&1`"); then
    eval $as_var=C; export $as_var
  else
    $as_unset $as_var
  fi
done


###############################################################################
# Global variables

# Packaging and compressing
ad_gzip=true
ad_bzip2=false
ad_compress=false
ad_zip=false

# Distribution subdirectory
distdir="distdir"
am_distdir=

# This current distribution
distribution=default
distfile=$distribution
dist_version=0.0
package=
bug_report=

# All inherited distributions in this distribution
inherits=

# All distribution defines for this distribution
distdefs=

# All distribution undefines for this distribution
undistdefs=

# All distribution options
doptions=
opt_template=false
opt_no_dist=false
opt_no_inherit=false

# All includes
includes=

# All excludes
excludes=

# All noprocesses
noprocess=

# All hooks
pre_hooks=
post_hooks=
pre_dist_hooks=
post_dist_hooks=
pre_p_dist_hooks=
post_p_dist_hooks=

# Distribution license and license header
license=
licenseh=

# Whether to output ad_debug information
debug=false
nolog=false

# Autodist version
ver=@VERSION@

###############################################################################
# Configuration file
if test -f "$distdir/autodist.conf"; then
  . $distdir/autodist.conf
fi

DP=$DISTPREFIX


###############################################################################
# Functions

#
# Print out debug information if debugging is enabled.  To enable debugging
# set the global variable "debug" to true value.
#
# Arguments: ad_debug <ad_debug string>
#
ad_debug()
{
  if test x$debug = xtrue; then
    set -f
    echo autodist: $1
    set +f
  fi
}

#
# Prints out error message and exits the script.
#
# Arguments: ad_fatal <error message>
#
ad_fatal()
{
  set -f
  ad_log "error: $1"
  echo autodist: error: $1
  set +f
  exit 1
}

#
# Prints out warning message
#
# Arguments: ad_warning <warning message>
#
ad_warning()
{
  set -f
  ad_log "warning: $1"
  echo autodist: warning: $1
  set +f
}

#
# Opens a log file.
#
# Arguments: ad_log_open <logfile>
#
ad_log_open()
{
  rm -rf $1
  exec 5> $1

  cat >&5 << EOF
This file contains messages produced by the Autodist $ver.

EOF
}

#
# Prints to an open log file
#
# Arguments: ad_log
#
ad_log()
{
  if test x$nolog = xfalse; then
    echo "$1" >&5
  fi
}

#
# Initializes the Autodist environment, creates default distribution
# directory, and default distribution.
#
# Arguments: ad_initialize
#
ad_initialize()
{
  ad_debug "Initializing Autodist environment"

  # Create default distdir
  if test '!' -f $distdir; then
    mkdir -p -- $distdir
  fi

  # Create Autodist configuration file
  if test -f @AUTODISTDIR@/autodist.conf; then
    cp -p @AUTODISTDIR@/autodist.conf $distdir
  fi

  # Create default distribution
  if test -f @AUTODISTDIR@/default; then
    cp -p @AUTODISTDIR@/default $distdir
  fi

  ad_debug "Autodist environment initialized"
}

#
# Creates the distdefs header file including defined distdefs
#
# Arguments: ad_create_distdefs_h
#
ad_create_distdefs_h()
{
  ad_debug "Creating distdef header file"

  fname=$DISTDEFS
  rm -f $fname
  cat > $fname <<EOF
/*
  Automatically generated by Autodist $ver.  Do not edit.

  Generated: `date` by `whoami`
  Distribution: $distribution
  License: $license
*/

#ifndef _`echo $DP`_DISTDEFS_H
#define _`echo $DP`_DISTDEFS_H

EOF

  for i in $distdefs
  do
    echo "#define $i 1" >>$fname
  done

  cat >> $fname <<EOF

#endif /* _`echo $DP`_DISTDEFS_H */
EOF

  ad_debug "Distdef header file created"
}

#
# Creates the main configure script for the distribution.  This runs
# the aclocal, autoheader and autoconf tools.
#
# Arguments: ad_make_configure
#
ad_make_configure()
{
  local run_autoconf=false

  ad_debug "Starting configure creation"

  rm -f configure

  if test "$ACLOCAL"; then
    ad_debug "Running aclocal"
    if test x$debug = xtrue; then
      $ACLOCAL
    else
      $ACLOCAL 1>/dev/null 2>/dev/null
    fi
    if test $? != 0; then
      ad_fatal "aclocal failed"
    fi
  fi

  if test "$AUTOCONF"; then
    ad_debug "Running autoconf"
    $AUTOCONF
    if test $? != 0; then
      ad_fatal "autoconf failed"
    fi
    run_autoconf=true
  fi

  if test "$AUTOHEADER"; then
    ad_debug "Running autoheader"
    $AUTOHEADER
    if test $? != 0; then
      ad_fatal "autoheader failed"
    fi
  fi

  if test "$LIBTOOLIZE"; then
    ad_debug "Running libtoolize"
    $LIBTOOLIZE
    if test $? != 0; then
      ad_fatal "libtoolize failed"
    fi
  fi

  if test x$run_autoconf = xtrue; then
    if test '!' -f configure; then
      ad_fatal "creating configure script failed"
    fi
  fi

  ad_debug "Ending configure creation"
}

#
# Creates the configure.ac script from the configure.ad fragments in
# the source tree.  Takes the source configure file as argument which
# is used to create the actual configure.ac.
#
# Arguments: ad_make_configure_ac <configure_ac_source>
#
ad_make_configure_ac()
{
  local check

  ad_debug "Starting creating configure.ac: $1"

  ad_log ""
  ad_log "Following configure.ad files were processed into configure.ac:"
  ad_log "--------------------------------------------------------------"

  if test '!' -f $1; then
    ad_fatal "The configure file '$1' does not exist"
  fi

  check="`sed 's/^[     ]*//' < $1 | grep -v "^#" | grep -e "AD_INIT"`"
  if test -z $check; then
    rm -f configure.ad.cfs
    rm -f $fname $fname.tmp
    ad_fatal "The 'AD_INIT' macro has not been set in configure.ac"
  fi

  rm -f configure.ac configure.ad.cfs

  cfs=`find . -type f -name configure\*\.ad`
  for i in $cfs
  do
    if test "x$i" = "x$1"; then
      continue
    fi

    ad_debug "including $i"
    ad_log "  $i"

    cat $i >> configure.ad.cfs
  done

  if test -f configure.ad.cfs; then
    check="`sed 's/^[   ]*//' < $1 | grep -v "^#" | grep -e "AD_INCLUDE_CONFIGURE"`"
    if test -z $check; then
      rm -f configure.ad.cfs
      ad_warning "configure.ad fragments found but 'AD_INCLUDE_CONFIGURE' is not set"
    fi
  fi

  # Header for configure.ac
  fname="configure.tmp.ac"
  cat > $fname <<EOF
# Automatically generated by Autodist $ver.  Do not edit.
# To make changes edit the configure.ad file in the source tree.

# Source: configure.ad
# Generated: `date` by `whoami`
# Distribution: $distribution
# License: $license

EOF

  ad_debug "creating configure.ac"
  if test -f configure.ad.cfs; then
    sed '/^AD_INCLUDE_CONFIGURE/ r configure.ad.cfs' $1 > $fname.tmp
    sed -e "/^AD_INCLUDE_CONFIGURE/d" $fname.tmp >> $fname
    rm -f configure.ad.cfs $fname.tmp
  else
    cat $1 >> $fname
  fi

  # Process AD_INIT
  sed -e "/AD_INIT/s//AC_INIT([$distribution], [$dist_version], [$bug_report], [$package])/" $fname > $fname.tmp

  # Remove AD_DISABLE_DEPENDENCIES
  sed -e "/^AD_DISABLE_DEPENDENCIES/d" $fname.tmp > $fname

  # Process for distribution
  rm -f $fname.tmp
  ad_process_file $fname $fname.tmp false

  # Remove any trailing backslashes
  if test -f "$fname.tmp"; then
    sed -e :a -e '/\\$/N; s/[   ]*\\\n//; ta' < $fname.tmp > configure.ac
  else
    cp -p $fname configure.ac
  fi
  rm -f $fname $fname.tmp

  ad_log "  ./configure.ad"
  ad_log ""

  ad_debug "Ending creating configure.ac: $1"
}

#
# Creates the Makefile.in files by running the automake tool.
#
# Arguments: ad_make_makefile_ins
#
ad_make_makefile_ins()
{
  ad_debug "Starting creating Makefile.in files"

  if test "$AUTOMAKE"; then
    ad_debug "Running automake"
    $AUTOMAKE
    if test $? != 0; then
      ad_fatal "automake failed"
    fi
  fi

  ad_debug "Ending creating Makefile.in files"
}

#
# Creates the Makefile.am files from the Makefile.ad files in the
# source tree.  This runs the distribution specific processing for the
# Makefile.ad files.
#
# Arguments: ad_make_makefile_ams
#
ad_make_makefile_ams()
{
  ad_debug "Starting creating Makefile.am files"

  ad_log ""
  ad_log "Following Makefile.ad files were processed into Makefile.am files:"
  ad_log "------------------------------------------------------------------"

  files=`find . -type f -name Makefile\.ad`
  for ff in $files
  do
    ad_log "  $ff"
    fname=`echo $ff | sed s/\.ad//`
    ad_make_makefile_am $ff $fname.am
  done
  ad_log ""

  ad_debug "Ending creating Makefile.am files"
}

#
# Creates Makefile.am file from the Makefile.ad file.
#
# Arguments: ad_make_makefile_am <src> <dst>
#
ad_make_makefile_am()
{
  local am_deps=true
  local f=$1
  local fname=$2

  # Disable dependencies if requested
  dc=`sed 's/^[         ]*//' < configure.ad | grep -v "^#" \
    | grep "AD_DISABLE_DEPENDENCIES"`
  if test "$dc" = "AD_DISABLE_DEPENDENCIES"; then
    am_deps=false
  fi

  # Header for the Makefile.am
  cat > $fname <<EOF
# Automatically generated by Autodist $ver from Makefile.ad.  Do not edit.
# To make changes edit the $f file in the source tree.

# Source: $f
# Generated: `date` by `whoami`
# Distribution: $distribution
# License: $license

EOF

  # Run the distribution processing for this Makefile.ad
  ad_debug "Processing $f to be $fname"
  ad_process_file $f $fname.tmp false

  # Remove any trailing backslashes
  if test -f "$fname.tmp"; then
    sed -e :a -e '/\\$/N; s/[   ]*\\\n//; ta' < $fname.tmp >> $fname
  else
    cat $f >> $fname
  fi

  # Enable dependencies if requested
  if test x$am_deps = xtrue; then
    # Get list of configure.ad's to get them into deps also
    cfs=`find . -type f -name configure\*\.ad`
    cfs=`echo $cfs | sed 's/\.\///g'`

    cat >> $fname <<EOF

# S_AD_ENABLE_DEPENDENCIES
\$(srcdir)/Makefile.am: Makefile.ad
        cd \$(top_srcdir) && autodist -p makefile \$(subdir)/Makefile.ad \$(subdir)/Makefile.am && cd \$(subdir)
\$(srcdir)/configure.ac: $cfs
        cd \$(top_srcdir) && autodist -p configure \$(top_srcdir)/configure.ad && cd \$(subdir)
# E_AD_ENABLE_DEPENDENCIES
EOF
  fi

  rm -f $fname.tmp
}

#
# Processes all files with .ad suffix, with exception of configure*.ad
# and Makefile.ad files, for distribution from the source tree.
#
# Arguments: ad_process_ads false
#
ad_process_ads()
{
  ad_debug "Starting processing .ad files"

  ad_log ""
  ad_log "Following .ad files were processed:"
  ad_log "-----------------------------------"

  files=`find . -type f -name \*\.ad \! -name configure\*\.ad \! -name Makefile\.ad`
  for i in $files
  do
    fname=`echo $i | sed s/\.ad//`

    ad_debug "Processing $i to be $fname"
    ad_log "  $i into $fname"

    # Run the distribution processing for this file
    ad_process_file $i $fname false
    if test -f $fname; then
      cp -p $i $fname || exit 1
    fi

  done
  ad_log ""

  ad_debug "Ending processing .ad files"
}

#
# Includes files specified in the distribution for inclusion.  Used when
# creating the distribution for packaging.
#
# include has the following format in distfile:
#
#   include <path> [<dest path>]
#
# If only source path, which may be file, directory or regular expression,
# is specified the path will be same in distribution.  If the destination
# path is specified that will be the new name and/or new location of the
# source path.  This, in effect, is a cp utility with ability to create
# directories if they do not exist.
#
# Arguments: ad_dist_includes <includeslist> <recursive> <log>
#
ad_dist_includes()
{
  local incs

  ad_debug "Starting running includes: $1 $2"

  if test x$3 = xtrue; then
    ad_log ""
    ad_log "Following files and directories were included in distribution:"
    ad_log "--------------------------------------------------------------"
  fi

  # By default do not expand pathnames
  set -f

  # Add : separator at the end
  incs="`echo "$1" | sed 's/$/ : /'`"

  src=
  dst=
  for i in $incs
  do
    if test "$i" = ":" && test -z "$src"; then
      continue
    fi
    if test -z "$src"; then
      src=$i
      continue
    fi
    if test -z "$dst" && test "$i" != ":"; then
      dst=$i
    else
      dst=$src
    fi

    ad_debug "Including $src into $dst"

    if test -f "$src"; then
      # Add file

      if test "$src" = "$dst"; then
        # Add to same location
        d=`echo $src | sed 's,/[^/]*$,,'`
        if test "$d" != "$src" && test "$d" != "." && \
           test '!' -d $am_distdir/$d; then
          mkdir -p -- $am_distdir/$d || exit 1
        fi
      else
        # Add to different location
        check=`echo "$dst" | sed 's/?//; s/*//; s/\[//; s/\]//'`
        if test "$check" != "$dst"; then
          ad_fatal "Invalid destination in 'include $src $dst'"
        fi

        d=`echo $dst | sed 's,/[^/]*$,,'`
        if test "$d" != "$dst" && test "$d" != "." && \
           test '!' -d $am_distdir/$d; then
          mkdir -p -- $am_distdir/$d || exit 1
        fi
      fi

      if test x$3 = xtrue; then
        ad_log "  $src into $am_distdir/$d"
      fi
      cp -p $src $am_distdir/$d || exit 1

    elif test -d "$src"; then
      # Add directory

      if test "$src" = "$dst"; then
        # Add to same location
        d=`echo $src | sed 's,/[^/]*$,,'`
        ds=`echo $src | sed 's/\/$//'`
        if test "$ds" = "$d"; then
          d=`echo $d | sed 's,/[^/]*$,,'`
        fi
        if test "$ds" = "$d"; then
          d=""
        fi
        if test '!' -d $am_distdir/$d && test "$ds" != "$d"; then
          mkdir -p -- $am_distdir/$d || exit 1
        fi

        if test x$3 = xtrue; then
          ad_log "  $src into $am_distdir/$d"
        fi
        cp -pR $src $am_distdir/$d || exit 1
      else
        # Add to different location
        check=`echo "$dst" | sed 's/?//; s/*//; s/\[//; s/\]//'`
        if test "$check" != "$dst"; then
          ad_fatal "Invalid destination in 'include $src $dst'"
        fi

        d=`echo $dst | sed 's,/[^/]*$,,'`
        ds=`echo $dst | sed 's/\/$//'`
        if test "$ds" = "$d"; then
          d=`echo $d | sed 's,/[^/]*$,,'`
        fi
        if test '!' -d $am_distdir/$d && test "$dst" != "$d"; then
          mkdir -p -- $am_distdir/$d || exit 1
        fi

        if test x$3 = xtrue; then
          ad_log "  $src into $am_distdir/$dst"
        fi
        cp -pR $src $am_distdir/$dst || exit 1
      fi

    elif test x$2 != xtrue; then
      # We assume regular expression in filename
      check=`echo "$src" | sed 's/?//; s/*//; s/\[//; s/\]//'`
      if test "$check" == "$src"; then
        if test '!' -a $src; then
          ad_fatal "Including $src: No such file or directory"
        fi
        src=
        dst=
        continue
      fi

      # Recursively call this function with expanded pathnames.  The
      # reason why we don't let sh by default expand pathnames is that
      # the include's destination is optional.  If sh expands by default
      # we don't know the destination.  For this reason, we handle the
      # expansion here ourselves.

      # If src and dst are same, then expand the pathname as we'll copy
      # matches to their own locations.
      if test "$src" = "$dst"; then
        # Expand pathnames, and format to our include format
        set +f
        srcs=`echo $src | sed -e 's/ / : /g' -e 's/^/ : /'` || exit 1
        set -f
      else
        # Destination is new, and it has to be a directory.
        check=`echo "$dst" | sed 's/?//; s/*//; s/\[//; s/\]//'`
        if test "$check" != "$dst"; then
          ad_fatal "Invalid destination in 'include $src $dst'"
        fi

        # Make sure dst has / at the end, as this must be a directory
        dst=`echo $dst | sed 's/\/$//; s/$/\//'`

        # Escape dst for sed
        dste=`echo $dst | sed 's/\\//\\\\\//g'` || exit 1

        # Expand pathnames, and format to our include format
        set +f
        srcs=`echo $src | sed -e "s/ / $dste : /g" \
          -e 's/^/ : /' -e "s/$/ $dste/"` || exit 1
        set -f
      fi

      # Include recursively
      ad_dist_includes "$srcs" true

    elif test '!' -a $src; then
      ad_fatal "Including $src: No such file or directory"
    fi

    src=
    dst=
  done

  if test x$3 = xtrue; then
    ad_log ""
  fi

  set +f

  ad_debug "Ending running includes: $1 $2"
}

#
# Excludes files specified in the distribution for exclusion.  Used when
# creating the distribution for packaging.
#
# exclude has the following format in distfile:
#
#  exclude <path>
#
# The path may be file, directory or regular expression.
#
# Arguments: ad_dist_includes <excludelist> <log>
#
ad_dist_excludes()
{
  ad_debug "Starting running excludes: $1"

  if test x$2 = xtrue; then
    ad_log ""
    ad_log "Following files and directories were excluded from distribution:"
    ad_log "----------------------------------------------------------------"
  fi

  cur=`pwd`
  cd $am_distdir || exit 1
  for i in $1
  do
    ad_debug "Excluding $i"
    if test x$2 = xtrue; then
      ad_log "  $i"
    fi
    rm -rf $i
  done
  cd $cur || exit 1

  if test x$2 = xtrue; then
    ad_log ""
  fi

  ad_debug "Ending running excludes: $1"
}

#
# Processes the entire tree for distribution.  This inspects files other
# than source and header files, with exception of any file with .ad
# suffix, and performs distribution processing for the file.  The original
# file is replaced with the processed file.  This function is used when
# creating the distribution for packaging.
#
# Arguments: ad_process_tree <directory>
#
ad_process_tree()
{
  ad_debug "Starting processing non-source files: $1"

  # Take files, except source and .ad files.
  files=`find $am_distdir -type f \! -name \*\.ad \( \
        \! -name \*\.[cC] -a \
        \! -name \*\.[cC][cCpP] -a \
        \! -name \*\.[cC][xX][xX] -a \
        \! -name \*\.[cC][pP][pP] -a \
        \! -name \*\.[cC]++ -a \
        \! -name \*\.m -a \
        \! -name \*\.mm -o \
        \! -name \*\.M -o \
        \! -name \*\.S -o \
        \! -name \*\.[hH] -a \
        \! -name \*\.hh -a \
        \! -name \*\.[cC]\.in -a \
        \! -name \*\.[cC][cCpP]\.in -a \
        \! -name \*\.[cC][xX][xX]\.in -a \
        \! -name \*\.[cC][pP][pP]\.in -a \
        \! -name \*\.[cC]++\.in -a \
        \! -name \*\.m\.in -a \
        \! -name \*\.[hH]\.in -a \
        \! -name \*\.hh\.in \)`
  files=`echo $files | sed 's/$am_distdir//'`

  for ff in $files
  do
    ad_process_file $ff $ff.tmp true
    if test -f $ff.tmp; then
      rm -f $ff || exit 1
      mv -f $ff.tmp $ff || exit 1
    fi
  done

  ad_debug "Ending processing non-source files: $1"
}

#
# Processes the entire source tree for distribution.  This inspects files
# in the source tree, with exception of any file with .ad suffix, and
# performs distribution processing for the file.  The original file is
# replaced with the processed file.  This function is used when creating
# the distribution for packaging.
#
# Call this before ad_process_tree().
#
# Arguments: ad_process_source_tree <directory>
#
ad_process_source_tree()
{
  ad_debug "Starting processing source files: $1"

  # We take only C/C++ (and other files that are run through traditional
  # preprocessor) files since they use the C compiler friendly version
  # of distdefs.  Other files are not assumed to use them.
  files=`find $am_distdir -type f \! -name \*\.ad \( \
        -name \*\.[cC] -o \
        -name \*\.[cC][cCpP] -o \
        -name \*\.[cC][xX][xX] -o \
        -name \*\.[cC][pP][pP] -o \
        -name \*\.[cC]++ -o \
        -name \*\.m -o \
        -name \*\.mm -o \
        -name \*\.M -o \
        -name \*\.S -o \
        -name \*\.[hH] -o \
        -name \*\.hh -o \
        -name \*\.[cC]\.in -o \
        -name \*\.[cC][cCpP]\.in -o \
        -name \*\.[cC][xX][xX]\.in -o \
        -name \*\.[cC][pP][pP]\.in -o \
        -name \*\.[cC]++\.in -o \
        -name \*\.m\.in -o \
        -name \*\.[hH]\.in -o \
        -name \*\.hh\.in \)`

  for ff in $files
  do
    ad_process_source_file $ff $ff.tmp true
    if test -f $ff.tmp; then
      rm -f $ff || exit 1
      mv -f $ff.tmp $ff || exit 1
    fi
  done

  ad_debug "Ending processing source files: $1"
}

#
# Removes Autodist dependencies, as they cannot be delivered to distribution.
#
# Arguments: ad_remove_dependencies <distdir>
#
ad_remove_dependencies()
{
  ad_debug "Removing dependencies"

  ams=`find $1 -type f -name Makefile\.\*`
  for i in $ams
  do
    sed -e "/^# S_AD_ENABLE_DEPENDENCIES/,/^# E_AD_ENABLE_DEPENDENCIES/d" $i > $i.tmp
    mv $i.tmp $i
  done
}

#
# Makes distribution sane, ala modtimes.  Since we modify the distribution
# we need to make it sane after that.
#
# Arguments: ad_makedist_makesane
#
ad_makedist_makesane()
{
  ad_debug "Making distribution file modtimes sane"

  # DO NOT change these order unless you know what you are doing.
  if test -f $am_distdir/configure.ac; then
    touch $am_distdir/configure.ac
  fi

  if test -f $am_distdir/aclocal.m4; then
    touch $am_distdir/aclocal.m4
  fi

  if test '!' -f Makefile; then
    ad_fatal "Makefile: No such file or directory"
  fi

  configh=`grep "^CONFIG_HEADER" Makefile | cut -d= -f2 | sed 's/^[     ]*//'`
  touch $am_distdir/$configh.in 1>/dev/null 2>/dev/null

  files=`find $am_distdir -type f -name Makefile\.in`
  for i in $files
  do
    touch $i
  done

  if test -f $am_distdir/configure; then
    touch $am_distdir/configure
  fi

  if test -f $am_distdir/config.status; then
    touch $am_distdir/config.status
  fi

  ad_debug "Distribution made sane"
}

#
# Creates distribution of the source tree.  All files in the distribution
# will be processed and the distribution will be packaged.
#
# Arguments: ad_makedist
#
ad_makedist()
{
  ad_log_open "makedist.log"
  ad_debug "Starting distribution creation"

  ad_log "Created distribution"
  ad_log "--------------------"
  ad_log ""

  if test '!' -f autodist.dist; then
    ad_fatal "Autodist has not been run yet to prepare source tree"
  fi

  if test -z $MAKE; then
    ad_fatal "The MAKE variable is not set in autodist.conf"
  fi

  # Get distdir from Makefile
  if test '!' -f Makefile; then
    ad_fatal "The source tree is not configured, run ./configure first"
  fi

  # Parse the requested distribution
  distribution=`grep "dist:" < autodist.dist | cut -d: -f2` || exit 1
  dist_version=`grep "ver:" < autodist.dist | cut -d: -f2` || exit 1
  am_distdir=`grep "distdir:" < autodist.dist | cut -d: -f2` || exit 1
  params=`grep "params:" < autodist.dist | cut -d: -f2` || exit 1
  ad_parse_distribution $distribution false
  ad_log "  Distribution: $distribution $dist_version"
  ad_log "  Destination directory: $am_distdir"
  ad_log ""
  ad_process_distdefs

  if test x$opt_no_dist = xtrue; then
    ad_fatal "The '$distribution' distribution cannot be packaged"
  fi

  # Run pre-dist-hooks
  ad_run_dist_hooks "$pre_dist_hooks" "$params"

  # Create distribution directory
  ad_debug "Creating distribution directory $am_distdir"
  $MAKE distdir || exit 1
  chmod -R a+r $am_distdir

  if test '!' -d $am_distdir; then
    ad_fatal "Distribution directory $am_distdir not created"
  fi

  # Run pre-process-dist-hooks
  ad_run_dist_hooks "$pre_p_dist_hooks" "$params"

  # Run excludes
  ad_dist_excludes "$excludes" true

  # Run includes
  ad_dist_includes "$includes" false true

  # Include specific license file if specified
  if test "$license" != ""; then
    ad_log ""
    ad_log "License file in distribution:"
    ad_log "-----------------------------"
    ad_log "  $license into $am_distdir/COPYING"
    ad_log ""
    cp -p $license $am_distdir/COPYING || exit 1
  fi

  # Remove dependencies
  ad_remove_dependencies $am_distdir

  # Process noprocesses, first pass
  ad_process_noprocess true

  ad_log ""
  ad_log "Following files were not re-licensed:"
  ad_log "-------------------------------------"

  # Process source files
  ad_debug "Process distribution source tree"
  ad_process_source_tree $am_distdir

  # Process non-source files
  ad_debug "Process distribution tree"
  ad_process_tree $am_distdir

  ad_log ""

  # Process noprocesses, second pass
  ad_process_noprocess false

  # Run post-process_dist-hooks
  ad_run_dist_hooks "$post_p_dist_hooks" "$params"

  # Make distribution sane
  ad_makedist_makesane

  # Package
  ad_debug "Packaging distribution"
  tar chof $am_distdir.tar $am_distdir || exit 1

  # Compress
  ad_debug "Compressing distribution package"
  if test x$ad_gzip = xtrue; then
    ad_debug "Compressing distribution package $am_distdir.tar.gz"
    gzip -9 -c $am_distdir.tar > $am_distdir.tar.gz || exit 1
  fi
  if test x$ad_bzip2 = xtrue; then
    ad_debug "Compressing distribution package $am_distdir.tar.bz2"
    bzip2 -9 -c $am_distdir.tar > $am_distdir.tar.bz2 || exit 1
  fi
  if test x$ad_compress = xtrue; then
    ad_debug "Compressing distribution package $am_distdir.tar.Z"
    compress -c $am_distdir.tar > $am_distdir.tar.Z || exit 1
  fi
  if test x$ad_zip = xtrue; then
    rm -f $am_distdir.zip
    ad_debug "Compressing distribution package $am_distdir.zip"
    zip -rq $am_distdir.zip $am_distdir || exit 1
  fi
  rm -f $am_distdir.tar

  # Run post-dist-hooks
  ad_run_dist_hooks "$post_dist_hooks" "$params"

  # Cleanup
  rm -rf $am_distdir

  ad_log "Distribution created successfully."

  ad_debug "Ending distribution creation"
}

#
# Handles distribution options.
#
# option has the following format in distfile:
#
#   option <option>
#
# Following options are supported:
#
#   template
#   no-dist
#   no-inherit
#
# Arguments: ad_handle_options <options>
#
ad_handle_options()
{
  ad_debug "Handling options: $1"

  for i in $1
  do
    if test "$i" = "template"; then
      opt_template=true
      continue
    elif test "$i" = "no-dist"; then
      opt_no_dist=true
      continue
    elif test "$i" = "no-inherit"; then
      opt_no_inherit=true
      continue
    fi
  done
}

#
# Clears set options
#
# Arguments: ad_clear_options
#
ad_clear_options()
{
  opt_template=false
  opt_no_dist=false
  opt_no_inherit=false
}

#
# Parses the distribution.  Gets all distribution defines from the
# distribution.  This also expands all inherited distributions recursively
# to get all inherited distribution defines.  From inherited distributions
# their name and package name is not inherited.
#
# Arguments: ad_parse_distribution <distribution name> <inherit>
#
ad_parse_distribution()
{
  local inhs
  local defs
  local undefs
  local incs
  local excs
  local nops
  local opts
  local dname
  local dpname
  local bugr
  local prh
  local poh
  local prdh
  local podh
  local prpdh
  local popdh

  ad_debug "Starting parsing distribution: $1 $2"

  if test '!' -f $distdir/$1; then
    ad_fatal "Distribution '$1' is not declared"
  fi

  # Get and enforce prereq version
  prereq=`sed 's/^[     ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "prereq " | cut -d' ' -f2- | sort | uniq`
  if test '!' -z $prereq; then
    if test "$ver" \< "$prereq"; then
      ad_fatal "Autodist $prereq or newer is required for distribution $1"
    fi
  fi

  # Get inherited
  inhs=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "inherit " | cut -d' ' -f2 | sort | uniq`

  # Get distdefs
  defs=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
   | grep "define " | cut -d' ' -f2 | sort | uniq`

  if test "$inhs" = "" && test "$defs" = ""; then
    ad_fatal "Distribution '$1' does not define anything"
  fi

  # Get undefined distdefs
  undefs=`sed 's/^[     ]*//' < $distdir/$1 | grep -v "^#" \
   | grep "undef " | cut -d' ' -f2 | sort | uniq`

  # Get includes
  incs=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "include " | sed 's/include / : /'`

  # Get excludes
  excs=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "exclude " | cut -d' ' -f2- | sort | uniq`

  # Get noprocesses
  nops=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "noprocess " | cut -d' ' -f2- | sort | uniq`

  # Get options
  opts=`sed 's/^[       ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "option " | cut -d' ' -f2- | sort | uniq`

  # Check options
  ad_handle_options "$opts"
  if test x$2 = xtrue && test x$opt_no_inherit = xtrue; then
    ad_fatal "Distribution '$1' cannot be inherited"
  fi
  if test x$2 = xfalse && test x$opt_template = xtrue; then
    ad_fatal "Template distribution '$1' cannot be prepared or packaged"
  fi

  ad_debug "inherits: $inhs"
  ad_debug "distdefs: $defs"
  ad_debug "includes: $incs"
  ad_debug "excludes: $excs"
  ad_debug "noprocess: $nops"
  ad_debug "undistdefs: $undefs"
  ad_debug "options: $opts"

  # Expand distdefs from inherited distributions
  for i in $inhs
  do
    if test x$1 = x$i; then
      ad_fatal "Infinite recursion detected.  Fix the '$distdir/$1' \
            distribution to not have 'inherit $i' declared."
    fi

    if test '!' -f $distdir/$i; then
      ad_fatal "Distribution '$i' is not declared (inherited from '$1')"
    fi

    ad_parse_distribution $i true
    ad_clear_options
  done

  # Get license
  license=`sed 's/^[    ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "license " | cut -d' ' -f2`
  licenseh=`sed 's/^[   ]*//' < $distdir/$1 | grep -v "^#" \
    | grep "license-header " | sed 's/license-header / : /'`

  ad_debug "license: $license"
  ad_debug "licenseh: $licenseh"

  if test x$2 = xfalse; then
    # Take rest of the stuff from top distribution

    # We take precedence on defined and undefined distdefs.  Remove
    # undefined distdefs if we have defined them.
    for d in $defs
    do
      ad_debug "defining undefined $d distdef"
      undistdefs=`echo $undistdefs | sed s/$d//g`
    done

    # Get distribution name
    dname=`sed 's/^[    ]*//' < $distdir/$1 | grep -v "^#" \
      | grep "name " | cut -d' ' -f2-`

    if test "$dname"; then
      distribution=$dname
    fi

    # Get distribution package name (optional)
    dpname=`sed 's/^[   ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "package " | cut -d' ' -f2`

    if test "$dpname"; then
      package=$dpname
    else
      package=$distribution
    fi

    # Get Bug-report email address (optional)
    bugr=`sed 's/^[     ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "bug-report " | cut -d' ' -f2-`

    if test "$bugr"; then
      bug_report=$bugr
    fi

    ad_debug "distribution: $distribution"
    ad_debug "package: $package"
    ad_debug "bug-report: $bug_report"

    # Get hooks (optional)
    prh=`sed 's/^[      ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "pre-hook " | cut -d' ' -f2-`
    poh=`sed 's/^[      ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "post-hook " | cut -d' ' -f2-`
    prdh=`sed 's/^[     ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "pre-dist-hook " | cut -d' ' -f2-`
    podh=`sed 's/^[     ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "post-dist-hook " | cut -d' ' -f2-`
    prpdh=`sed 's/^[    ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "pre-process-dist-hook " | cut -d' ' -f2-`
    popdh=`sed 's/^[    ]*//' < $distdir/$1 | grep -v "^#" \
     | grep "post-process-dist-hook " | cut -d' ' -f2-`

    pre_hooks="$pre_hooks $prh"
    post_hooks="$post_hooks $poh"
    pre_dist_hooks="$pre_dist_hooks $prdh"
    post_dist_hooks="$post_dist_hooks $podh"
    pre_p_dist_hooks="$pre_p_dist_hooks $prpdh"
    post_p_dist_hooks="$post_p_dist_hooks $popdh"
    doptions="$doptions $opts"

    ad_handle_options "$doptions"
    ad_debug "options: $doptions"
  fi

  # Return to caller
  inherits="$inherits $inhs"
  distdefs="$distdefs $defs"
  includes="$includes $incs"
  excludes="$excludes $excs"
  noprocess="$noprocess $nops"
  undistdefs="$undistdefs $undefs"

  ad_debug "Ending parsing distribution: $1 $2"
}

#
# Processes parsed distdefs.  Removes duplicates, and undefined distdefs
# from the distdefs.
#
# Arguments: ad_process_distdefs
#
ad_process_distdefs()
{
  ad_debug "Starting processing distdefs"

  ad_log ""
  ad_log "Following distdefs were processed:"
  ad_log "----------------------------------"

  # Remove all undefined distribution defines
  for i in $undistdefs
  do
    ad_debug "undefining $i distdef"
    distdefs=`echo $distdefs | sed s/$i//g`
  done

  rm -f autodist.tmp.defs

  # Remove duplicate distdefs
  for i in $distdefs
  do
    echo $i >>autodist.tmp.defs
  done
  distdefs=`sort < autodist.tmp.defs | uniq`
  distdefs=`echo $distdefs`
  rm -f autodist.tmp.defs

  # Log
  for i in $distdefs
  do
    ad_log "  $i"
  done
  ad_log ""

  ad_debug "distdefs=$distdefs"

  ad_debug "Ending processing distdefs"
}

#
# Processes for a license header change.
#
# Arguments: ad_process_license_header <scriptfile> <sourcefile>
#
ad_process_license_header()
{
  ad_debug "Starting license header processing"

  # Add : separator at the end
  lics=`echo "$licenseh" | sed 's/$/ : /'`

  src=
  dst=
  for i in $lics
  do
    if test "$i" = ":" && test -z "$src"; then
      continue
    fi
    if test -z "$src"; then
      src=$i
      continue
    fi
    if test -z "$dst" && test "$i" != ":"; then
      dst=$i
    else
      ad_fatal "Missing argument in 'license-header $src'"
    fi

    ad_debug "Replacing $src license with $dst license"

    if test '!' -f $src; then
      ad_fatal "License header $src: No such file or directory"
    fi

    if test '!' -f $dst; then
      ad_fatal "License header $dst: No such file or directory"
    fi

    # Awk script to replace the license header
    fl=`sed q $src | sed 's/\\//\\\\\//g' > autodist.lsrc` || exit 1
    ll=`sed -n '$p' $src | sed 's/\\//\\\\\//g' > autodist.ldst` || exit 1
    echo "BEGIN { N=0; } /`cat autodist.lsrc`/,/`cat autodist.ldst`/ { FILE1=\"$src\"; FILE2=\"$dst\"; getline F1 < FILE1; getline F2 < FILE2; if (F1) { N=sub(F1, F2); } else { F1=\"\$\"; N=sub(F1, F2); } if (N == 0) print 0 > \"$2.norelicense\"; } END { if (N == 0) print 0 > \"$2.norelicense\"; }" >> $1
    rm -f autodist.lsrc autodist.ldst

    src=
    dst=
  done

  ad_debug "Ending license header processing"
}

#
# Process specified noprocesses.  This is called during makedist.
# The noprocess first copies the noprocess files and dirs into a temp
# directory, and then removes them from the distdir.  This way they are
# not processed by Autodist.  After processing they are returned to their
# correct locations from the temp dir.  Dirty, yeah, but the way we do
# this until better one comes along.
#
# Arguments: ad_process_noprocess <process>
#
# If <process> is true this excludes and if false this includes.
#
ad_process_noprocess()
{
  ad_debug "Starting running noprocesses"

  set -f

  cur=`pwd`

  if test x$1 = xtrue; then
    ad_log ""
    ad_log "Following files and directories were not processed:"
    ad_log "---------------------------------------------------"

    f="$cur/autodist__noprocess"
    rm -rf $f
    mkdir -p -- $f || exit 1

    # First, include them to new location with correct directory structure.
    old_am_distdir="$am_distdir"
    cd $am_distdir || exit 1
    am_distdir="$f"
    nops=" $noprocess"
    nops=`echo $nops | sed -e 's/ / : /g' -e 's/^/ : /'` || exit 1
    ad_dist_includes "$nops" false false
    am_distdir="$old_am_distdir"

    # Then, remove from distdir (they are in temp dir now)
    for i in $noprocess
    do
      ad_log "  $i"
      rm -rf $i
    done
    cd $cur || exit 1

    ad_log ""
  else
    # Copy from the temp dir back to distdir
    cd autodist__noprocess || exit 1
    old_am_distdir="$am_distdir"
    am_distdir="$cur/$old_am_distdir"
    nops=" $noprocess"
    nops=`echo $nops | sed -e 's/ / : /g' -e 's/^/ : /'` || exit 1

    ad_dist_includes "$nops" false false

    am_distdir="$old_am_distdir"
    cd $cur || exit 1
    rm -rf autodist__noprocess
  fi

  set +f

  ad_debug "Ending running noprocesses"
}

#
# Process a file given as argument for the distribution.
#
# Arguments: ad_process_file <filepath> <dest_filepath> <re-license>
#
ad_process_file()
{
  local found=false
  local f
  local defs
  local ndefs

  # Process only regular files
  if test '!' -f $1; then
    return
  fi

  ad_debug "Starting processing file: $1 $2"

  f="autodist.tmp.script"
  rm -f $f

  # If license header is provided, replace the license header in the file.
  if test x$3 = xtrue; then
    ad_process_license_header $f $1
  fi

  # Get defined distribution defines
  defs=`awk "/^#ifdef "$DP"_DIST_|^#else "$DP"_DIST_/ { print; }" \
    $1 |cut -d'*' -f2 |cut -d' ' -f2 | sort | uniq`

  # Get explicitly not-defined distribution defines
  ndefs=`awk "/^#ifndef "$DP"_DIST_|^#else !"$DP"_DIST_/ { print; }" \
    $1 |cut -d'*' -f2 |cut -d' ' -f2 | cut -d'!' -f2 | sort | uniq`

  ad_debug "defs in $1: $defs"
  ad_debug "ndefs in $1: $ndefs"

  # Create the script to include and exclude stuff in the file according
  # to the distribution defines

  # ifdefs
  ad_debug "processing ifdefs"
  for d in $defs
  do
    found=false
    for i in $distdefs
    do
      if test x$d = x$i; then
        found=true
        break
      fi
    done

    # If distribution define was not found exclude those lines from the file.
    # This also handles the #ifdef's #else (ie. #ifndef) branch.
    if test x$found = xfalse; then
      ad_debug "ifdef $d will be excluded (it is NOT defined)"
      echo "/^#ifdef $d$/,/^#else !$d$|^#endif $d$/ { next; }" >> $f
    else
      echo "/^#else !$d$/,/^#endif $d$/ { next; }" >> $f
    fi
  done

  # ifndefs
  ad_debug "processing ifndefs"
  for d in $ndefs
  do
    found=false
    for i in $distdefs
    do
      if test x$d = x$i; then
        found=true
        break
      fi
    done

    # If distribution define was found exclude those lines from the file.
    # This also handles the #ifndef's #else (ie. #ifdef) branch.
    if test x$found = xtrue; then
      ad_debug "ifndef $d will be excluded (it IS defined)"
      echo "/^#ifndef $d$/,/^#else $d$|^#endif $d$/ { next; }" >> $f
    else
      echo "/^#else $d$/,/^#endif $d$/ { next; }" >> $f
    fi
  done

  # Now process the file with the script
  if test -f $f; then

    # Those distdef lines that remain in the file are removed to make
    # the appearance prettier
    echo "/^#ifdef "$DP"_DIST_|^#endif "$DP"_DIST_|^#else "$DP"_DIST_|^#else !"$DP"_DIST_|^#ifndef "$DP"_DIST_/ { next; }" >> $f
    echo "{ print; }" >> $f

    # Execute the script
    cp -p $1 $2 || exit 1
    awk -f $f $1 > $2 || exit 1
  fi

  rm -f $f

  # Log if file was not relicensed
  if test -f "$1.norelicense"; then
    ad_log "  $1"
    rm -f $1.norelicense
  fi

  ad_debug "Ending processing file: $1 $2"
}

#
# Process a source file given as argument for the distribution.
#
# Arguments: ad_process_source_file <filepath> <dest_filepath> <re-license>
#
ad_process_source_file()
{
  local found=false
  local f
  local defs
  local ndefs

  # Process only regular files
  if test '!' -f $1; then
    return
  fi

  ad_debug "Starting processing source file: $1 $2"

  f="autodist.tmp.script"
  rm -f $f

  # If license header is provided, replace the license header in the file.
  if test x$3 = xtrue; then
    ad_process_license_header $f $1
  fi

  # Get defined distribution defines
  defs=`awk '/^#ifdef SILC_DIST_|^#else \/\* SILC_DIST_/ { print; }' \
    $1 |cut -d'*' -f2 |cut -d' ' -f2 | sort | uniq`

  # Get explicitly not-defined distribution defines
  ndefs=`awk '/^#ifndef SILC_DIST_|^#else \/\* \!SILC_DIST_/ { print; }' \
    $1 |cut -d'*' -f2 |cut -d' ' -f2 | cut -d'!' -f2 | sort | uniq`

  ad_debug "defs in $1: $defs"
  ad_debug "ndefs in $1: $ndefs"

  # Create the script to include and exclude stuff in the file according
  # to the distribution defines

  # ifdefs
  ad_debug "processing ifdefs"
  for d in $defs
  do
    found=false
    for i in $distdefs
    do
      if test x$d = x$i; then
        found=true
        break
      fi
    done

    # If distribution define was not found exclude those lines from the file.
    # This also handles the #ifdef's #else (ie. #ifndef) branch.
    if test x$found = xfalse; then
      ad_debug "ifdef $d will be excluded (it is NOT defined)"
      echo "/^#ifdef $d$/,/^#else \/\* \!$d |^#endif \/\* $d / { next; }" >> $f
    else
      echo "/^#else \/\* \!$d /,/^#endif \/\* $d / { next; }" >> $f
    fi
  done

  # ifndefs
  ad_debug "processing ifndefs"
  for d in $ndefs
  do
    found=false
    for i in $distdefs
    do
      if test x$d = x$i; then
        found=true
        break
      fi
    done

    # If distribution define was found exclude those lines from the file.
    # This also handles the #ifndef's #else (ie. #ifdef) branch.
    if test x$found = xtrue; then
      ad_debug "ifndef $d will be excluded (it IS defined)"
      echo "/^#ifndef $d$/,/^#else \/\* $d |^#endif \/\* $d / { next; }" >> $f
    else
      echo "/^#else \/\* $d /,/^#endif \/\* $d / { next; }" >> $f
    fi
  done

  # Now process the file with the script
  if test -f $f; then

    # Those distdef lines that remain in the file are removed to make
    # the appearance prettier
    echo "/^#ifdef SILC_DIST_|^#endif \/\* SILC_DIST_|^#else \/\* SILC_DIST_|^#else \/\* \!SILC_DIST_|^#ifndef SILC_DIST_/ { next; }" >> $f
    echo "{ print; }" >> $f

    # Execute the script
    cp -p $1 $2 || exit 1
    awk -f $f $1 > $2 || exit 1
  fi

  rm -f $f

  # Log if file was not relicensed
  if test -f "$1.norelicense"; then
    ad_log "  $1"
    rm -f $1.norelicense
  fi

  ad_debug "Ending processing source file: $1 $2"
}

#
# Processes a file.  This is the -p, --process option.
#
# Arguments: ad_process <type> <src> <dst>
#
ad_process()
{
  ad_debug "Starting process: $1 $2 $3"

  nolog=true

  if test '!' -f autodist.dist; then
    ad_fatal "Autodist has not been run yet to prepare source tree"
  fi

  # Parse distribution
  distribution=`grep "dist:" < autodist.dist | cut -d: -f2` || exit 1
  dist_version=`grep "ver:" < autodist.dist | cut -d: -f2` || exit 1
  ad_parse_distribution $distribution false
  ad_process_distdefs

  # Process file
  case "$1" in
    makefile)
      if test -z $3; then
        ad_fatal "File type $1 requires <dst> argument"
      fi
      ad_make_makefile_am $2 $3
      exit 0;;

    configure)
      ad_make_configure_ac $2
      exit 0;;

    non-source)
      if test -z $3; then
        ad_fatal "File type $1 requires <dst> argument"
      fi
      ad_process_file $2 $3 false
      exit 0;;

    source)
      if test -z $3; then
        ad_fatal "File type $1 requires <dst> argument"
      fi
      ad_process_source_file $2 $3 false
      exit 0;;

    *)
      ad_fatal "Unknown file type: $1";
      ;;
  esac
}

#
# Run hooks
#
# Arguments: ad_run_hooks <hooks> <params>
#
ad_run_hooks()
{
  ad_debug "Running hooks: $1"

  ad_log ""
  ad_log "Hooks executed:"
  ad_log "--------------"

  for i in $1
  do
    if test '!' -f $i; then
      ad_fatal "Hook script $i does not exist"
    fi
    ad_log "  sh $i \"$distribution\" \"$dist_version\" \"$package\" \"$2\""
    sh $i "$distribution" "$dist_version" "$package" "$2" || exit 1
  done
  ad_log ""

  ad_debug "Ending running hooks: $1"
}

#
# Run dist hooks
#
# Arguments: ad_run_dist_hooks <hooks> <params>
#
ad_run_dist_hooks()
{
  ad_debug "Starting running distributions hooks: $1"

  ad_log ""
  ad_log "Distribution hooks executed:"
  ad_log "----------------------------"

  for i in $1
  do
    if test '!' -f $i; then
      ad_fatal "Dist hook script $i does not exist"
    fi

    ad_log "  sh $i \"$distribution\" \"$dist_version\" \"$package\" \"$am_distdir\" \"$2\""
    sh $i "$distribution" "$dist_version" "$package" "$am_distdir" "$2" || exit 1
  done
  ad_log ""

  ad_debug "Ending running distribution hooks"
}

###############################################################################
# Autodist code

usage="Usage: autodist [options] [distribution] [version] [params]"
help="\
Autodist prepares source tree for configuration, compilation and
distribution.  Generates Automake.am files from Automake.ad files,
configure.ac file from configure.ad file(s), generates the configure
script by running Autoconf tool, and generates Makefile.in files by
running Automake tool.

Operation modes:
  -h, --help                print this help, then exit
  -V, --version             print version number, then exit
  -v, --verbose             verbosely report processing
  -d, --distdir <dir>       search distributions from <dir>
  -s, --distdefs [<dist>]   print distribution defines of <dist>, then exit
  -i, --init                initialize Autodist environment, create default
                            distribution directory and distribution, then exit
  -p, --process <type> <src> [<dst>]
                            process file <src> into <dst> for distribution,
                            <type> is 'makefile', 'configure', 'non-source'
                            or 'source' and defines the type of <src>
  -m, --makedist            create and package distribution
      --gzip                create package compressed with gzip (default)
      --bzip2               create also package compressed with bzip2
      --compress            create also package compressed with compress
      --zip                 create also package compressed with zip"

#
# Process command line arguments
#
while test $# -gt 0; do
  case "${1}" in

  -d |--distdir)
    shift;
    test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
    distdir="${1}";
    shift;;

  --list)
    exit 0;;

  -s | --distdefs)
    shift;
    if test $# -eq 0; then
      ad_parse_distribution $distribution false
      echo "Distribution: ${distribution}" 1>&2;
    else
      ad_parse_distribution $1 false
      echo "Distribution: ${1}" 1>&2;
    fi
    ad_process_distdefs
    echo "Distdefs:" 1>&2;
    for i in $distdefs
    do
      echo "$i";
    done
    exit 0;;

  -i | --init)
    ad_initialize;
    exit 0;;

  -p | --process)
    shift;
    if test $# -ge 2; then
      ad_process $1 $2 $3
    else
      echo "${usage}" 1>&2;
    fi
    exit 0;;

  -m | --makedist)
    ad_makedist
    exit 0;;

  --gzip)
    ad_gzip=true
    shift;;

  --bzip2)
    ad_bzip2=true
    shift;;

  --compress)
    ad_compress=true
    shift;;

  --zip)
    ad_zip=true
    shift;;

  -v | --verbose)
    debug=true
    shift;;

  -h | --help | --h*)
    echo "${usage}" 1>&2;
    echo 1>&2;
    echo "${help}" 1>&2;
    echo 1>&2;
    exit 0;;

  -V | --version)
    echo "@PACKAGE@ (@PACKAGE_NAME@) $ver" 1>&2;
    echo "Written by Pekka Riikonen" 1>&2;
    echo 1>&2;
    echo "Copyright (C) 2004 - 2007 SILC Project" 1>&2;
    echo "\
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. " 1>&2;
    exit 0;;

  --)
    shift;
    break;;

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

  *)
    break;;

  esac
done

# Open log file
ad_log_open "autodist.log"

ad_log "Processing source tree for compilation and configuration"
ad_log "--------------------------------------------------------"
ad_log ""

#
# Parse the requested distribution
#
if test $# != 0; then
  distribution="${1}";
  distfile=$distribution
  shift
fi

ad_parse_distribution $distribution false

if test $# != 0; then
  dist_version="${1}";
fi

ad_log "  Distribution: $distribution $dist_version"
ad_log ""

ad_process_distdefs

ad_debug "Preparing source tree for configuration and compilation..."
ad_debug "Preparing $distribution distribution version $dist_version"

#
# Create the distribution defines header file
#
if test "$DISTDEFS"; then
  ad_create_distdefs_h
else
  ad_fatal "DISTDEFS not defined in $distdir/autodist.conf"
fi

# Get extra parameters from command line
if test $# != 0; then
  shift
fi

#
# Run pre-hooks
#
ad_run_hooks "$pre_hooks" "$@"

#
# Generate the Makefile.am files from Makefile.ad files
#
ad_make_makefile_ams

#
# Generate the configure.ac from configure.ad file(s)
#
ad_make_configure_ac ./configure.ad

#
# Process all files with .ad suffix for distribution processing
#
ad_process_ads

#
# Generate configure script
#
ad_make_configure

#
# Generate Makefile.in files
#
ad_make_makefile_ins

#
# Create autodist.dist
#
ad_debug "Creating autodist.dist"
echo "dist:$distfile" > autodist.dist
echo "ver:$dist_version" >> autodist.dist
echo "distdir:$package-$dist_version" >> autodist.dist
echo "params:$@" >> autodist.dist

#
# Run post-hooks
#
ad_run_hooks "$post_hooks" "$@"

ad_log "Source tree processed successfully."
ad_debug "Done, now run ./configure and make."

exit 0