PHP_ARG_WITH([bz2],
  [for BZip2 support],
  [AS_HELP_STRING([[--with-bz2[=DIR]]],
    [Include BZip2 support])])

if test "$PHP_BZ2" != "no"; then
  if test -r $PHP_BZ2/include/bzlib.h; then
    BZIP_DIR=$PHP_BZ2
  else
    AC_MSG_CHECKING(for BZip2 in default path)
    for i in /usr/local /usr; do
      if test -r $i/include/bzlib.h; then
        BZIP_DIR=$i
        AC_MSG_RESULT(found in $i)
        break
      fi
    done
  fi

  if test -z "$BZIP_DIR"; then
    AC_MSG_RESULT(not found)
    AC_MSG_ERROR(Please reinstall the BZip2 distribution)
  fi

  PHP_CHECK_LIBRARY(bz2, BZ2_bzerror,
  [
    PHP_ADD_INCLUDE($BZIP_DIR/include)
    PHP_ADD_LIBRARY_WITH_PATH(bz2, $BZIP_DIR/$PHP_LIBDIR, BZ2_SHARED_LIBADD)
    AC_DEFINE(HAVE_BZ2,1,[ ])
  ], [
    AC_MSG_ERROR(bz2 module requires libbz2 >= 1.0.0)
  ], [
    -L$BZIP_DIR/$PHP_LIBDIR
  ])

  PHP_NEW_EXTENSION(bz2, bz2.c bz2_filter.c, $ext_shared)
  PHP_SUBST(BZ2_SHARED_LIBADD)
fi