diff --git a/configure.in b/configure.in
index 45a4c7d0..557aa5a1 100644
--- a/configure.in
+++ b/configure.in
@@ -52,6 +52,7 @@ use_upnp=false;
 use_ssl=false
 
 STATIC_LIBS=no
+
 CPPFLAGS="${CPPFLAGS} -g -Wall"
 
 dnl fix freebsd's broken (?) libpthread
@@ -181,7 +182,8 @@ case $host in
 *freebsd*)
 	CPPFLAGS="$CPPFLAGS -DFREEBSD";;
 *linux*)
-	CPPFLAGS="$CPPFLAGS -DNOT_HAVE_SA_LEN -DUSES_NETLINK -DHAVE_LINUX";;
+	CPPFLAGS="$CPPFLAGS -DNOT_HAVE_SA_LEN -DUSES_NETLINK -DHAVE_LINUX"
+	LDFLAGS="${LDFLAGS} -Wl,--export-dynamic";;
 *openbsd*)
 	CPPFLAGS="$CPPFLAGS -DHAVE_BROKEN_RECVDSTADDR";;
 *darwin*)
diff --git a/src/io.c b/src/io.c
index 850e96bf..e6bdc8ff 100644
--- a/src/io.c
+++ b/src/io.c
@@ -2958,9 +2958,9 @@ int io_wait(IO_WAITHANDLE *pwait, uint32_t *ms) {
 #else
     ASSERT(pwait->max_fd);
 
-    FD_COPY(&pwait->read_fds, &pwait->result_read);
-    FD_COPY(&pwait->write_fds, &pwait->result_write);
-    FD_COPY(&pwait->err_fds, &pwait->result_err);
+    memcpy(&pwait->result_read, &pwait->read_fds, sizeof(pwait->read_fds));
+    memcpy(&pwait->result_write, &pwait->write_fds, sizeof(pwait->write_fds));
+    memcpy(&pwait->result_err, &pwait->err_fds, sizeof(pwait->err_fds));
 
     if(!pwait->max_fd) {
         io_err_printf(IO_LOG_WARN,"No fds being monitored in io_wait\n");
diff --git a/src/rend-posix.c b/src/rend-posix.c
index ef50c48d..d044d629 100644
--- a/src/rend-posix.c
+++ b/src/rend-posix.c
@@ -175,14 +175,7 @@ static mDNS_PlatformSupport PlatformStorage;  // Stores this platform's globals
 
 mDNSexport const char ProgramName[] = "mDNSResponderPosix";
 
-static const char *gProgramName = ProgramName;
 
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark ***** Signals
-#endif
-
-static volatile mDNSBool gReceivedSigUsr1;
-static volatile mDNSBool gReceivedSigHup;
 static volatile mDNSBool gStopNow;
 
 // We support 4 signals. (2, now -- rp)
@@ -226,9 +219,6 @@ static void HandleSigQuit(int sigraised)
     exit(0);
 }
 
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark ***** Parameter Checking
-#endif
 
 static const char kDefaultServiceType[] = "_http._tcp.";
 static const char kDefaultServiceDomain[] = "local.";
@@ -236,9 +226,6 @@ enum {
     kDefaultPortNumber = 80
 };
 
-#if COMPILER_LIKES_PRAGMA_MARK
-#pragma mark ***** Registration
-#endif
 
 typedef struct PosixService PosixService;
 
@@ -258,13 +245,13 @@ static void RegistrationCallback(mDNS *const m, ServiceRecordSet *const thisRegi
     switch (status) {
 
         case mStatus_NoError:      
-            DPRINTF(E_DBG,L_REND,"Callback: %##s Name Registered",   thisRegistration->RR_SRV.resrec.name->c); 
+            DPRINTF(E_DBG,L_REND,"Callback: %##s Name Registered\n",   thisRegistration->RR_SRV.resrec.name->c); 
             // Do nothing; our name was successfully registered.  We may 
             // get more call backs in the future.
             break;
 
         case mStatus_NameConflict: 
-            DPRINTF(E_DBG,L_REND,"Callback: %##s Name Conflict",     thisRegistration->RR_SRV.resrec.name->c); 
+            DPRINTF(E_DBG,L_REND,"Callback: %##s Name Conflict\n",     thisRegistration->RR_SRV.resrec.name->c); 
 
             // In the event of a conflict, this sample RegistrationCallback 
             // just calls mDNS_RenameAndReregisterService to automatically 
@@ -282,7 +269,7 @@ static void RegistrationCallback(mDNS *const m, ServiceRecordSet *const thisRegi
             break;
 
         case mStatus_MemFree:      
-            DPRINF(E_DBG,L_REND,"Callback: %##s Memory Free",       thisRegistration->RR_SRV.resrec.name->c); 
+            DPRINTF(E_DBG,L_REND,"Callback: %##s Memory Free\n",       thisRegistration->RR_SRV.resrec.name->c); 
             
             // When debugging is enabled, make sure that thisRegistration 
             // is not on our gServiceList.
@@ -302,7 +289,7 @@ static void RegistrationCallback(mDNS *const m, ServiceRecordSet *const thisRegi
             break;
 
         default:                   
-            DPRINTF(E_DBG,L_REND,"Callback: %##s Unknown Status %ld", thisRegistration->RR_SRV.resrec.name->c, status); 
+            DPRINTF(E_DBG,L_REND,"Callback: %##s Unknown Status %ld\n", thisRegistration->RR_SRV.resrec.name->c, status); 
             break;
     }
 }
@@ -374,7 +361,7 @@ static void DeregisterOurServices(void)
         
         mDNS_DeregisterService(&mDNSStorage, &thisServ->coreServ);
 
-        DPRINF(E_DBG,L_REND, 
+        DPRINTF(E_DBG,L_REND, 
             "Deregistered service %d\n",
             thisServ->serviceID);
     }
@@ -406,7 +393,7 @@ mDNSInterfaceID rend_get_interface_id(char *iface) {
     return mDNSInterface_Any;
 }
 
-*
+/*
  * rend_callback
  *
  * This is borrowed from the OSX rend client