4 files changed, 6 insertions, 4 deletions
diff --git a/src/crypto/crypto.cpp b/src/crypto/crypto.cpp
index 250779ac3..6ceb944cd 100644
--- a/src/crypto/crypto.cpp
+++ b/src/crypto/crypto.cpp
@@ -42,7 +42,7 @@
 #include "crypto.h"
 #include "hash.h"
 
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
  #include <alloca.h>
 #else
  #include <stdlib.h>
diff --git a/src/crypto/oaes_lib.c b/src/crypto/oaes_lib.c
index 2cf598e05..f054a16f4 100644
--- a/src/crypto/oaes_lib.c
+++ b/src/crypto/oaes_lib.c
@@ -34,7 +34,8 @@
 #include <stdio.h>
 
 // OS X, FreeBSD, and OpenBSD don't need malloc.h
-#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) \
+  && !defined(__DragonFly__)
  #include <malloc.h>
 #endif
 
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c
index 2ac303a36..66d9ca5d9 100644
--- a/src/crypto/slow-hash.c
+++ b/src/crypto/slow-hash.c
@@ -442,7 +442,8 @@ void slow_hash_allocate_state(void)
     hp_state = (uint8_t *) VirtualAlloc(hp_state, MEMORY, MEM_LARGE_PAGES |
                                         MEM_COMMIT | MEM_RESERVE, PAGE_READWRITE);
 #else
-#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__)
+#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \
+  defined(__DragonFly__)
     hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE,
                     MAP_PRIVATE | MAP_ANON, 0, 0);
 #else
diff --git a/src/crypto/tree-hash.c b/src/crypto/tree-hash.c
index 7a128e4b0..d73f0d959 100644
--- a/src/crypto/tree-hash.c
+++ b/src/crypto/tree-hash.c
@@ -34,7 +34,7 @@
 
 #include "hash-ops.h"
 
-#if !defined(__FreeBSD__) && !defined(__OpenBSD__)
+#if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__)
  #include <alloca.h>
 #else
  #include <stdlib.h>