first commit, SM2-DSA only

demos/tunala/autoungunk.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+# This script tries to clean up as much as is possible from whatever diabolical
+# mess has been left in the directory thanks to autoconf, automake, and their
+# friends.
+
+if test -f Makefile.plain; then
+	if test -f Makefile; then
+		make distclean
+	fi
+	mv Makefile.plain Makefile
+else
+	make clean
+fi
+
+rm -f aclocal.m4 config.* configure install-sh \
+	missing mkinstalldirs stamp-h.* Makefile.in \
+	ltconfig ltmain.sh depcomp
+rm -rf autom4te.cache