Build: Import build make file.

Author: heiher

build.mk

@@ -0,0 +1,7 @@
+# Build
+
+rwildcard=$(foreach d,$(wildcard $1*), \
+          $(call rwildcard,$d/,$2) \
+          $(filter $(subst *,%,$2),$d))
+
+SRCFILES=$(call rwildcard,$(SRCDIR)/,*.c *.S)