convert build system to autotools

Change-Id: I705b5356309507c39eaf517ca5b9ce0e1aa89852
diff --git a/doc/Makefile.am b/doc/Makefile.am
new file mode 100644
index 0000000..5a23107
--- /dev/null
+++ b/doc/Makefile.am
@@ -0,0 +1,3 @@
+SUBDIRS = \
+	examples \
+	$(NULL)