# check for sha256
AC_ARG_ENABLE(sha256,
AC_HELP_STRING([--enable-sha256], [Enable sha256sum check
- [[default=yes]] ]),
- [want_sha256="$enableval"], [want_sha256="yes"])
+ (sha256.{c,h} are GPLv3 licensed) [[default=no]] ]),
+ [want_sha256="$enableval"], [want_sha256="no"])
if test "x$want_sha256" = "xyes"; then
AC_DEFINE(HAVE_SHA256, 1, [Define if you want sha256 support])