1#! @SHELL@
2# autoreconf - remake all Autoconf configure scripts in a directory tree
3# Copyright (C) 1994 Free Software Foundation, Inc.
4
5# This program is free software; you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation; either version 2, or (at your option)
8# any later version.
9
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13# GNU General Public License for more details.
14
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
18# 02111-1307, USA.
19
20usage="\
21Usage: autoreconf [-f] [-h] [--help] [-m dir] [--macrodir=dir]
22       [-l dir] [--localdir=dir] [--force] [--verbose] [--version]
23       [--cygnus] [--foreign] [--gnits] [--gnu] [-i] [--include-deps]"
24
25localdir=
26verbose=no
27show_version=no
28force=no
29automake_mode=--gnu
30automake_deps=
31
32test -z "$AC_MACRODIR" && AC_MACRODIR=@datadir@
33
34while test $# -gt 0; do
35  case "$1" in 
36  -h | --help | --h*)
37    echo "$usage"; exit 0 ;;
38  --localdir=* | --l*=* )
39    localdir="`echo \"${1}\" | sed -e 's/^[^=]*=//'`"
40    shift ;;
41  -l | --localdir | --l*)
42    shift
43    test $# -eq 0 && { echo "${usage}" 1>&2; exit 1; }
44    localdir="${1}"
45    shift ;;
46  --macrodir=* | --m*=* )
47    AC_MACRODIR="`echo \"$1\" | sed -e 's/^[^=]*=//'`"
48    shift ;;
49  -m | --macrodir | --m*)
50    shift
51    test $# -eq 0 && { echo "$usage" 1>&2; exit 1; }
52    AC_MACRODIR="$1"
53    shift ;;
54  --verbose | --verb*)
55    verbose=yes; shift ;;
56  -f | --force)
57    force=yes; shift ;;
58  --version | --vers*)
59    show_version=yes; shift ;;
60  --cygnus | --foreign | --gnits | --gnu)
61    automake_mode=$1; shift ;;
62  --include-deps | -i)
63    automake_deps=$1; shift ;;
64  --)     # Stop option processing.
65    shift; break ;;
66  -*) echo "$usage" 1>&2; exit 1 ;;
67  *) break ;;
68  esac
69done
70
71if test $show_version = yes; then
72  version=`sed -n 's/define.AC_ACVERSION.[ 	]*\([0-9.]*\).*/\1/p' \
73    $AC_MACRODIR/acgeneral.m4`
74  echo "Autoconf version $version"
75  exit 0
76fi
77
78if test $# -ne 0; then
79  echo "$usage" 1>&2; exit 1
80fi
81
82# The paths to the autoconf and autoheader scripts, at the top of the tree.
83top_autoconf=`echo $0|sed s%autoreconf%autoconf%`
84top_autoheader=`echo $0|sed s%autoreconf%autoheader%`
85
86# Make a list of directories to process.
87# The xargs grep filters out Cygnus configure.in files.
88find . -name configure.in -print |
89xargs grep -l AC_OUTPUT |
90sed 's%/configure\.in$%%; s%^./%%' |
91while read dir; do
92  (
93  cd $dir || continue
94
95  case "$dir" in
96  .) dots= ;;
97  *) # A "../" for each directory in /$dir.
98     dots=`echo /$dir|sed 's%/[^/]*%../%g'` ;;
99  esac
100
101  case "$0" in
102  /*)  autoconf=$top_autoconf; autoheader=$top_autoheader ;;
103  */*) autoconf=$dots$top_autoconf; autoheader=$dots$top_autoheader ;;
104  *)   autoconf=$top_autoconf; autoheader=$top_autoheader ;;
105  esac
106
107  case "$AC_MACRODIR" in
108  /*)  macrodir_opt="--macrodir=$AC_MACRODIR" ;;
109  *)   macrodir_opt="--macrodir=$dots$AC_MACRODIR" ;;
110  esac
111
112  case "$localdir" in
113  "")  localdir_opt=
114       aclocal=aclocal.m4 ;;
115  /*)  localdir_opt="--localdir=$localdir"
116       aclocal=$localdir/aclocal.m4 ;;
117  *)   localdir_opt="--localdir=$dots$localdir"
118       aclocal=$dots$localdir/aclocal.m4 ;;
119  esac
120
121  # Regenerate aclocal.m4 if necessary.  FIXME: if aclocal searches
122  # nonstandard directories, we need to deal with that here.  The
123  # easiest way is to move this info into configure.in.
124  run_aclocal=no
125  if test -f "$aclocal" &&
126     grep 'generated automatically by aclocal' $aclocal > /dev/null
127  then
128     run_aclocal=yes
129  else
130     if test -f `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`/acinclude.m4
131     then
132	run_aclocal=yes
133     fi
134  fi
135  if test $run_aclocal = yes
136  then
137     if test $force = no &&
138        ls -lt configure.in $aclocal \
139	       `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`/acinclude.m4 |
140	  sed 1q |
141          grep 'aclocal\.m4$' > /dev/null
142     then
143	:
144     else
145	test $verbose = yes && echo running aclocal in $dir, creating $aclocal
146	aclocal --output=$aclocal -I `echo $aclocal | sed 's,/*[^/]*$,,;s,^$,.,'`
147     fi
148  fi
149
150  # Re-run automake if required.  Assumes that there is a Makefile.am
151  # in the topmost directory.
152  if test -f Makefile.am
153  then
154     amforce=
155     test $force = no && amforce=--no-force
156     test $verbose = yes && echo running automake`test x"$amforce" = x || echo " ($amforce)"` in $dir
157     automake $amforce $automake_mode $automake_deps
158  fi
159
160  test ! -f $aclocal && aclocal=
161
162  if test $force = no && test -f configure &&
163    ls -lt configure configure.in $aclocal | sed 1q |
164      grep 'configure$' > /dev/null
165  then
166    :
167  else
168    test $verbose = yes && echo running autoconf in $dir
169    $autoconf $macrodir_opt $localdir_opt
170  fi
171
172  if grep 'A[CM]_CONFIG_HEADER' configure.in >/dev/null; then
173    templates=`sed -n '/A[CM]_CONFIG_HEADER/ {
174	s%[^#]*A[CM]_CONFIG_HEADER[ 	]*(\([^)]*\).*%\1%
175	p
176	q
177      }' configure.in`
178    tcount=`set -- $templates; echo $#`
179    template=`set -- $templates; echo $1 | sed '
180	s/.*://
181	t colon
182	s/$/.in/
183	: colon
184	s/:.*//
185      '`
186    stamp=`echo $template | sed 's,/*[^/]*$,,;s,^$,.,'`/stamp-h`test "$tcount" -gt 1 && echo "$tcount"`.in
187    if test ! -f "$template" || grep autoheader "$template" >/dev/null; then
188      if test $force = no && test -f $template &&
189	 ls -lt $template configure.in $aclocal $stamp 2>/dev/null \
190	        `echo $localdir_opt | sed -e 's/--localdir=//' \
191		                          -e '/./ s%$%/%'`acconfig.h |
192	   sed 1q | egrep "$template$|$stamp$" > /dev/null
193      then
194        :
195      else
196        test $verbose = yes && echo running autoheader in $dir
197        $autoheader $macrodir_opt $localdir_opt && 
198        { test $verbose != yes || echo touching $stamp; } &&
199        touch $stamp
200      fi
201    fi
202  fi
203  )
204done
205