tests: add libcoap compilation test

tests/test_coap/Makefile

@@ -0,0 +1,12 @@
+APPLICATION = test_coap
+include ../Makefile.tests_common
+
+BOARD_BLACKLIST := arduino-due chronos mbed_lpc1768 msb-430 msb-430h qemu-i386 telosb wsn430-v1_3b wsn430-v1_4 udoo z1
+BOARD_INSUFFICIENT_RAM := redbee-econotag
+#MSP boards: no assert.h
+#rest: no radio
+
+USEMODULE += defaulttransceiver
+USEPKG += libcoap
+
+include $(RIOTBASE)/Makefile.include

tests/test_coap/main.c

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2014 Freie Universität Berlin
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser General
+ * Public License. See the file LICENSE in the top level directory for more
+ * details.
+ */
+
+/**
+ * @file
+ * @brief       Check if the libcoap package builds.
+ *
+ * @author      Ludwig Ortmann <ludwig.ortmann@fu-berlin.de>
+ *
+ */
+
+#include <stdio.h>
+
+int main(void)
+{
+    printf("Libcoap compiled!");
+    return 0;
+}