bootstrap

   1 #! /bin/sh
   2
   3 # This script helps bootstrap automake, when checked out from git.
   4 #
   5 # Copyright (C) 2002-2017 Free Software Foundation, Inc.
   6 # Originally written by Pavel Roskin <proski@gnu.org> September 2002.
   7 #
   8 # This program is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2, or (at your option)
  11 # any later version.
  12 #
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 # Since Automake uses itself in its build process, we can't simply run
  22 # 'autoreconf -i' which would require Automake to already be
  23 # installed.
  24
  25 # Don't ignore failures.
  26 set -e
  27
  28 # Set program basename.
  29 me=`echo "$0" | sed 's,^.*/,,'`
  30
  31 # Let user choose which version of autoconf, autom4te and perl to use.
  32 : ${AUTOCONF=autoconf}
  33 export AUTOCONF  # might be used by aclocal and/or automake
  34 : ${AUTOM4TE=autom4te}
  35 export AUTOM4TE  # ditto
  36 : ${PERL=perl}
  37
  38 # Variables to substitute.
  39 VERSION=`sed -ne '/AC_INIT/s/^[^[]*\[[^[]*\[\([^]]*\)\].*$/\1/p' configure.ac`
  40 PACKAGE=automake
  41 datadir=.
  42 # This should be automatically updated by the 'update-copyright'
  43 # rule of our Makefile.
  44 RELEASE_YEAR=2017
  45
  46 # Override SHELL.  This is required on DJGPP so that Perl's system()
  47 # uses bash, not COMMAND.COM which doesn't quote arguments properly.
  48 # It's not used otherwise.
  49 if test -n "$DJDIR"; then
  50   BOOTSTRAP_SHELL=/dev/env/DJDIR/bin/bash.exe
  51 else
  52   BOOTSTRAP_SHELL=/bin/sh
  53 fi
  54
  55 # Read the rule for calculating APIVERSION and execute it.
  56 apiver_cmd=`sed -ne 's/\[\[/[/g;s/\]\]/]/g;/^APIVERSION=/p' configure.ac`
  57 eval "$apiver_cmd"
  58
  59 # Sanity checks.
  60 if test -z "$VERSION"; then
  61   echo "$me: cannot find VERSION" >&2
  62   exit 1
  63 fi
  64
  65 if test -z "$APIVERSION"; then
  66   echo "$me: cannot find APIVERSION" >&2
  67   exit 1
  68 fi
  69
  70 # Make a dummy versioned directory for aclocal.
  71 rm -rf aclocal-$APIVERSION
  72 mkdir aclocal-$APIVERSION
  73 if test -d automake-$APIVERSION; then
  74   find automake-$APIVERSION -exec chmod u+wx '{}' ';'
  75 fi
  76 rm -rf automake-$APIVERSION
  77 # Can't use "ln -s lib automake-$APIVERSION", that would create a
  78 # lib.exe stub under DJGPP 2.03.
  79 mkdir automake-$APIVERSION
  80 cp -rf lib/* automake-$APIVERSION
  81
  82 dosubst ()
  83 {
  84   rm -f $2
  85   in=`echo $1 | sed 's,^.*/,,'`
  86   sed -e "s%@APIVERSION@%$APIVERSION%g" \
  87       -e "s%@PACKAGE@%$PACKAGE%g" \
  88       -e "s%@PERL@%$PERL%g" \
  89       -e "s%@SHELL@%$BOOTSTRAP_SHELL%g" \
  90       -e "s%@VERSION@%$VERSION%g" \
  91       -e "s%@datadir@%$datadir%g" \
  92       -e "s%@RELEASE_YEAR@%$RELEASE_YEAR%g" \
  93       -e "s%@configure_input@%Generated from $in; do not edit by hand.%g" \
  94       $1 > $2
  95   chmod a-w $2
  96 }
  97
  98 # Create temporary replacement for lib/Automake/Config.pm.
  99 dosubst automake-$APIVERSION/Automake/Config.in \
 100         automake-$APIVERSION/Automake/Config.pm
 101
 102 # Overwrite amversion.m4.
 103 dosubst m4/amversion.in m4/amversion.m4
 104
 105 # Create temporary replacement for aclocal and automake.
 106 for p in bin/aclocal bin/automake; do
 107   dosubst $p.in $p.tmp
 108   $PERL -w bin/gen-perl-protos $p.tmp > $p.tmp2
 109   mv -f $p.tmp2 $p.tmp
 110 done
 111
 112 # Create required makefile snippets.
 113 $PERL ./gen-testsuite-part > t/testsuite-part.tmp
 114 chmod a-w t/testsuite-part.tmp
 115 mv -f t/testsuite-part.tmp t/testsuite-part.am
 116
 117 # Run the autotools.  Bail out if any warning is triggered.
 118 # Use '-I' here so that our own *.m4 files in m4/ gets included,
 119 # not copied, in aclocal.m4.
 120 $PERL ./bin/aclocal.tmp -Wall -Werror -I m4 \
 121                         --automake-acdir=m4 --system-acdir=m4/acdir
 122 $AUTOCONF -Wall -Werror
 123 $PERL ./bin/automake.tmp -Wall -Werror
 124
 125 # Remove temporary files and directories.
 126 rm -rf aclocal-$APIVERSION automake-$APIVERSION
 127 rm -f bin/aclocal.tmp bin/automake.tmp