===================================================================
RCS file: /cvs/mandoc/Attic/config.h.post,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -p -r1.4 -r1.5
--- mandoc/Attic/config.h.post	2011/12/13 11:26:12	1.4
+++ mandoc/Attic/config.h.post	2012/03/24 06:23:14	1.5
@@ -20,9 +20,13 @@
 # define betoh32(x) OSSwapBigToHostInt32(x)
 # define htobe64(x) OSSwapHostToBigInt64(x)
 # define betoh64(x) OSSwapBigToHostInt64(x)
-#elif defined(__linux__)
+#elif defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__DragonFly__)
 # define betoh32(x) be32toh(x)
 # define betoh64(x) be64toh(x)
+#elif defined(__OpenBSD__)
+/* Nothing */
+#else
+/* XXX Fallback */
 #endif
 
 #ifndef HAVE_STRLCAT