Merge branch 'byteorder' of /git/repositories/labs/knot

configure.ac

@@ -294,6 +294,10 @@ AC_DEFINE([DSFMT_MEXP], [521], [DSFMT parameters])
 # Checks for library functions.
 AC_CHECK_FUNCS([clock_gettime gettimeofday fgetln getline madvise poll posix_memalign pselect pthread_setaffinity_np regcomp select setgroups initgroups])
 
+# Check for be64toh function
+AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <endian.h>]], [[return be64toh(0);]])],
+[AC_DEFINE(HAVE_BE64TOH, 1, [Define to 1 if you have the `be64toh' function.])])
+
 # Check for cpu_set_t/cpuset_t compatibility
 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]], [[cpu_set_t set; CPU_ZERO(&set);]])],
 [AC_DEFINE(HAVE_CPUSET_LINUX, 1, [Define if Linux-like cpu_set_t exists.])])

src/libknot/util/endian.h

@@ -13,12 +13,24 @@
     You should have received a copy of the GNU General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
+#include <config.h>
 
 #ifndef _KNOT_ENDIAN_H
 #define _KNOT_ENDIAN_H
 
 #if defined(__linux__)
 #	include <endian.h>
+# ifndef HAVE_BE64TOH
+#       include <arpa/inet.h>
+#       define be32toh(x) ntohl(x)
+#       define be16toh(x) ntohs(x)
+#  if BYTE_ORDER == LITTLE_ENDIAN
+#       include <byteswap.h>
+#       define be64toh(x) bswap_64 (x)
+#  else
+#       define be64toh(x) (x)
+#  endif
+# endif
 #elif defined(__FreeBSD__) || defined(__NetBSD__)
 #	include <sys/endian.h>
 #elif defined(__OpenBSD__)