#! /bin/sh

echo "buildcheck: checking installation..."

# autoconf 2.50 or newer
ac_version=`autoconf --version 2>/dev/null|head -1|sed -e 's/^[^0-9]*//' -e 's/[a-z]* *$//'`
if test -z "$ac_version"; then
  echo "buildcheck: autoconf not found."
  echo "            You need autoconf version 2.50 or newer installed"
  echo "            to build Apache from CVS."
  exit 1
fi
IFS=.; set $ac_version; IFS=' '
if test "$1" = "2" -a "$2" -lt "50" || test "$1" -lt "2"; then
  echo "buildcheck: autoconf version $ac_version found."
  echo "            You need autoconf version 2.50 or newer installed."
  exit 1
fi

echo "buildcheck: autoconf version $ac_version (ok)"

# libtool 1.4 or newer
libtool=$(which glibtool libtool 2>/dev/null | head -1)
lt_pversion=`$libtool --version 2>/dev/null|sed -e 's/^[^0-9]*//' -e 's/[- ].*//'`
if test -z "$lt_pversion"; then
  echo "buildcheck: libtool not found."
  echo "            You need libtool version 1.4 or newer installed"
  exit 1
fi
lt_version=`echo $lt_pversion|sed -e 's/\([a-z]*\)$/.\1/'`
IFS=.; set $lt_version; IFS=' '
lt_status="good"
if test "$1" = "1"; then
   if test "$2" -lt "4"; then
      lt_status="bad"
   fi
fi
if test $lt_status != "good"; then
  echo "buildcheck: libtool version $lt_pversion found."
  echo "            You need libtool version 1.4 or newer installed"
  exit 1
fi

echo "buildcheck: libtool version $lt_pversion (ok)"

# check for the correct version of Neon
NEON_WANTED=0.17.2
if test -d ./neon; then
  NEON_VERSION="`./ac-helpers/get-neon-ver.sh neon`"
  if test "$NEON_WANTED" != "$NEON_VERSION"; then
    echo "buildcheck: neon version $NEON_VERSION found in ./neon/."
    echo "            You need neon $NEON_WANTED."
    exit 1
  fi

  echo "buildcheck: neon version $NEON_VERSION (ok)"
fi

exit 0