- AC_HELP_STRING([--with-zlib=DIR], [zlib base directory, or:]),
+ AS_HELP_STRING([--with-zlib=DIR], [zlib base directory, or:]),
AC_CHECK_LIB(z, compress2,
[LIBS="$LIBS -lz"],
[AC_MSG_ERROR("zlib libraries not found.")]
AC_CHECK_LIB(z, compress2,
[LIBS="$LIBS -lz"],
[AC_MSG_ERROR("zlib libraries not found.")]