diff -up ./crypto/random/seed/GetEntropyRandomSeed.c.errors ./crypto/random/seed/GetEntropyRandomSeed.c
--- ./crypto/random/seed/GetEntropyRandomSeed.c.errors	2017-01-14 13:42:22.043640582 -0500
+++ ./crypto/random/seed/GetEntropyRandomSeed.c	2017-01-14 13:43:01.482108873 -0500
@@ -22,7 +22,8 @@
 #include <sys/syscall.h>
 
 #ifndef __OPENBSD__
-static int getentropy(void *buf, size_t buflen)
+/* NOTE: getentropy() is already defined in unistd.h */
+static int get_entropy(void *buf, size_t buflen)
 {
     int ret;
 
@@ -48,7 +49,7 @@ static int getentropy(void *buf, size_t
 
 static int get(struct RandomSeed* randomSeed, uint64_t output[8])
 {
-    if (getentropy(output, 64) < 0) {
+    if (get_entropy(output, 64) < 0) {
         return -1;
     } else {
         return 0;
@@ -59,6 +60,6 @@ struct RandomSeed* GetEntropyRandomSeed_
 {
     return Allocator_clone(alloc, (&(struct RandomSeed) {
         .get = get,
-        .name = "getentropy(2)"
+        .name = "get_entropy(2)"
     }));
 }