--- embedaddon/arping/configure.ac	2012/02/21 22:16:27	1.1.1.1
+++ embedaddon/arping/configure.ac	2014/06/15 16:26:43	1.1.1.2
@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.61)
-AC_INIT(arping, 2.09, thomas@habets.pp.se)
+AC_INIT(arping, 2.13, thomas@habets.se)
 AC_CANONICAL_SYSTEM
 AC_CONFIG_SRCDIR([src/arping.c])
 AM_INIT_AUTOMAKE
@@ -16,12 +16,15 @@ AC_PROG_INSTALL
 AC_PROG_MAKE_SET
 
 # Checks for libraries.
+AC_CHECK_LIB([m], [sqrt])
 AC_CHECK_LIB([socket], [socket])
 AC_CHECK_LIB([nsl], [gethostbyname])
+AC_CHECK_LIB([rt], [clock_gettime])
 AC_CHECK_LIB([net], [libnet_name_resolve],
       [AC_MSG_ERROR([libnet 1.0.x found. Arping 2.x requires libnet 1.1.x])])
 AC_CHECK_LIB([net], [libnet_init], ,[AC_MSG_ERROR([libnet 1.1.x not found])])
 AC_CHECK_LIB([pcap], [pcap_open_live], ,[AC_MSG_ERROR([libpcap not found])])
+AC_SEARCH_LIBS([clock_gettime], [rt])
 
 # Checks for header files.
 AC_HEADER_STDC
@@ -30,6 +33,7 @@ arpa/inet.h \
 netinet/in.h \
 stdlib.h \
 sys/socket.h \
+time.h \
 sys/time.h \
 sys/types.h \
 stdint.h \
@@ -57,19 +61,51 @@ AC_PROG_GCC_TRADITIONAL
 AC_FUNC_SELECT_ARGTYPES
 AC_FUNC_SETVBUF_REVERSED
 AC_TYPE_SIGNAL
-AC_CHECK_FUNCS([gettimeofday memset select strchr strdup strerror strstr])
+AC_CHECK_FUNCS([gettimeofday memset select strchr strdup strerror strstr \
+getifaddrs])
 
-case "$target_os" in
-     *linux*)
-          AC_LIBOBJ([findif_linux])
-          ;;
-     *freebsd*|*openbsd*|*solaris*)
-          AC_LIBOBJ([findif_bsd])
-          ;;
-     *)
-          AC_LIBOBJ([findif_other])
-          ;;
-esac
+if test x$ac_cv_func_getifaddrs = xyes; then
+    AC_LIBOBJ([findif_getifaddrs])
+else
+    case "$target_os" in
+        *linux*)
+            AC_LIBOBJ([findif_linux])
+            ;;
+        *freebsd*|*openbsd*|*darwin*)
+            AC_LIBOBJ([findif_sysctl])
+            ;;
+        *solaris*)
+            AC_LIBOBJ([findif_bsdroute])
+            ;;
+        *)
+            AC_LIBOBJ([findif_other])
+            ;;
+    esac
+fi
+
+
+
+# check for CLOCK_MONOTONIC
+AC_CACHE_CHECK([for CLOCK_MONOTONIC],
+                                  ac_cv_have_clock_monotonic, [
+                                  AC_TRY_RUN(
+                                        [
+#include <time.h>
+#include <sys/time.h>
+int main() {
+struct timespec ts;
+exit(!!clock_gettime(CLOCK_MONOTONIC, &ts));
+}
+                ],
+                        [ ac_cv_have_clock_monotonic="yes" ],
+                        [ ac_cv_have_clock_monotonic="no" ]
+                          )
+])
+AM_CONDITIONAL(HAVE_CLOCK_MONOTONIC, test x$ac_cv_have_clock_monotonic = xyes)
+if test x$ac_cv_have_clock_monotonic = xyes; then
+   AC_DEFINE([HAVE_CLOCK_MONOTONIC], [1], [Monotonic clock])
+fi
+
 AC_CONFIG_FILES([Makefile])
 AC_CONFIG_FILES([src/Makefile])
 AC_CONFIG_FILES([doc/Makefile])