AC_CHECK_SIZEOF(unsigned char)
AC_PROG_CC_NO_WRITEABLE_STRINGS(WRITESTRINGS)
+AC_ARG_ENABLE(hacky-parallel,
+ [AS_HELP_STRING([--enable-hacky-parallel],
+ [parallelise slow cryptography (default is no)])], [
+ case "$enableval" in
+ n|0|no) ;;
+ y|1|yes) CFLAGS="$CFLAGS -DHACKY_PARALLEL" ;;
+ *) ;;
+ esac
+])
+
AC_DEFUN([REQUIRE_HEADER],[AC_CHECK_HEADER($1,,[AC_MSG_ERROR($1 not found)])])
dnl the order in which libraries is checked is important