Index: head/devel/chrpath/files/patch-protos.h
===================================================================
--- head/devel/chrpath/files/patch-protos.h	(revision 410651)
+++ head/devel/chrpath/files/patch-protos.h	(revision 410652)
@@ -1,30 +1,30 @@
 --- protos.h.orig	2013-11-24 08:30:01.000000000 +0100
 +++ protos.h	2016-02-03 19:47:21.946096000 +0100
 @@ -1,7 +1,14 @@
  #ifndef PROTOS_H
  #define PROTOS_H
  
-+#ifdef __FreeBSD__
++#if defined __FreeBSD__ || defined __DragonFly__
 +#include <sys/endian.h>
 +#define bswap_16 bswap16
 +#define bswap_32 bswap32
 +#define bswap_64 bswap64
 +#else
  #include <byteswap.h>
 +#endif
  #include <elf.h>
  #include "config.h"
  
 @@ -14,6 +21,12 @@
  #error "Unknown word size (SIZEOF_VOID_P)!"
  #endif
  
-+#ifdef __FreeBSD__
++#if defined __FreeBSD__ || defined __DragonFly__
 +#define Elf_Ehdr Elf__Ehdr
 +#define Elf_Shdr Elf__Shdr
 +#define Elf_Phdr Elf__Phdr
 +#endif
 +
  typedef union {
    unsigned char e_ident[EI_NIDENT];
    Elf32_Ehdr e32;