diff --git a/src/des/conf-ppc-linux.h b/src/des/conf-ppc-linux.h
new file mode 100644
index 0000000000..3d29372929
--- /dev/null
+++ b/src/des/conf-ppc-linux.h
@@ -0,0 +1,4 @@
+#define BITS32
+#define BIG
+#define MSBFIRST
+#define MUSTALIGN