Fixed --without-openssl

configure.in

@@ -55,7 +55,8 @@ AS_IF([test "x$with_openssl" = "xauto" -o "x$with_openssl" = "xyes"],
  [LIBS="${LIBS} -L${withval}/lib -lssl -lcrypto"
   CPPFLAGS="${CPPFLAGS} -I${withval}/include"],
  [AC_DEFINE([DSRV_NO_DTLS], [],
-             [Define if you do not want DTLS support])]
+             [Define if you do not want DTLS support])
+  CPPFLAGS="${CPPFLAGS} -DDSRV_NO_DTLS"]
  )
 
 AC_ARG_WITH(protocol_demux,
@@ -65,7 +66,8 @@ AC_ARG_WITH(protocol_demux,
 
 AS_IF([test "x$with_protocol_demux" = "xno"],
  [AC_DEFINE([DSRV_NO_PROTOCOL_DEMUX], [],
-   [Define if you do not want intermix cleartext with DTLS])]
+   [Define if you do not want intermix cleartext with DTLS])
+  CPPFLAGS="${CPPFLAGS} -DDSRV_NO_PROTOCOL_DEMUX"]
 )
 
 # Checks for header files.

dsrv.c

@@ -29,6 +29,7 @@
 #include <fcntl.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
+#include <errno.h>
 #include <assert.h>
 
 #ifndef DSRV_NO_DTLS
@@ -676,8 +677,8 @@ handle_write(struct dsrv_context_t *ctx) {
 
 int 
 handle_timeout(struct dsrv_context_t *ctx) {
-  peer_t *peer, *tmp;
 #ifndef DSRV_NO_DTLS
+  peer_t *peer, *tmp;
   int result, err;
 #endif
 

tests/dtls-test.c

@@ -20,6 +20,7 @@
 #endif
 
 #include "debug.h" 
+#include "config.h" 
 #include "dsrv.h" 
 
 /* SIGINT handler: set quit to 1 for graceful termination */