Author: Reiner Herrmann <reiner@reiner-h.de>
Description: Sort list of source files for deterministic linking order

--- a/Makefile
+++ b/Makefile
@@ -20,7 +20,7 @@
 
 UNAME_S := $(shell uname -s 2>/dev/null || echo not)
 
-SOURCES = $(wildcard src/*.c)
+SOURCES = $(sort $(wildcard src/*.c))
 OBJECTS = $(SOURCES:.c=.o)
 TARGET  = mdp
 DESTDIR =