bootstrap

#!/bin/sh
#======================================================================
# Copyright (c) 2008, Yahoo! Inc. All rights reserved.
#
# Licensed under the New BSD License (the "License"); you may not use
# this file except in compliance with the License.  Unless required
# by applicable law or agreed to in writing, software distributed
# under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License. See accompanying LICENSE file.
#======================================================================

# libtool and autoheader checks are not always necessary, so check to see if
# we need to use them
references_libtool=`perl -ne 'print if (! m/^dnl/ && ! m/^#/ && m/PROG_LIBTOOL/)' configure.ac`
references_autoheader=`perl -ne 'print if (! m/^dnl/ && ! m/^#/ && m/CONFIG_HEADER/)' configure.ac`

check_alternatives () \
  {
    _check_save="$1"

    if test "x$_check_save" = x
      then
        echo "ERROR: bad call to check_alternatives" 1>&2
        exit 1
      fi

    shift

    _check_var="$1"
    _check_rv=""

    while test "x$_check_var" != x 
      do
        _check_rv=`which "$_check_var" 2> /dev/null`
        if test "x$_check_rv" != x 
          then
            break
          fi
        shift
        _check_var="$1"
      done

    if test "x$_check_rv" = x
      then
        echo "ERROR: can't find alternative for $_check_save" 1>&2
        exit 1
      fi

    eval $_check_save='"$_check_rv"'
  }

if test "x$references_libtool" != "x" ; then
  check_alternatives mylibtoolize glibtoolize libtoolize libtoolize15
fi
check_alternatives myaclocal aclocal19 aclocal
if test "x$references_autoheader" != "x" ; then
  check_alternatives myautoheader autoheader259 autoheader257 autoheader
fi
check_alternatives myautomake automake19 automake
check_alternatives myautom4te autom4te259 autom4te257 autom4te
check_alternatives myautoconf autoconf259 autoconf257 autoconf

if test "x$references_libtool" != "x" ; then
  echo -n "Running $mylibtoolize ... "
  "$mylibtoolize" --automake > .libtool.out 2>&1
  if test "x$?" != "x0" ; then
    cat .libtool.out
    exit 1
  fi
  echo "done"
fi

if test -d /usr/local/share/aclocal; then
  aclocal_extra_dirs="$aclocal_extra_dirs -I /usr/local/share/aclocal"
fi

echo -n "Running $myaclocal ... "
AUTOM4TE="$myautom4te" "$myaclocal" $aclocal_extra_dirs > .aclocal.out 2>&1
if test "x$?" != "x0" ; then
  cat .aclocal.out
  exit 1
fi
echo "done"

if test "x$references_autoheader" != "x" ; then
  echo -n "Running $myautoheader ... "
  "$myautoheader" > .autoheader.out 2>&1
  if test "x$?" != "x0" ; then
    cat .autoheader.out
    exit 1
  fi
  echo "done"
fi

echo -n "Running $myautomake ... "
AUTOCONF="$myautoconf" "$myautomake" -a > .automake.out 2>&1
if test "x$?" != "x0" ; then
  cat .automake.out
  exit 1
fi
echo "done"

echo -n "Running $myautoconf ... "
"$myautoconf" > .autoconf.out 2>&1
if test "x$?" != "x0" ; then
  cat .autoconf.out
  exit 1
fi
echo "done"