pkg/libcoap: remove

The pkg has not been updated in ages and upstream libcoap provides means
to build with RIOT. Users are better served using the upstream libcoap
approach to use RIOT + libcoap rather than this outdated pkg.

pkg/libcoap/Makefile

@@ -1,16 +0,0 @@
-PKG_NAME=libcoap
-PKG_URL=https://github.com/obgm/libcoap
-PKG_VERSION=ef41ce5d02d64cec0751882ae8fd95f6c32bc018
-PKG_LICENSE=BSD-2-Clause
-
-include $(RIOTBASE)/pkg/pkg.mk
-
-# GCC 7.x fails on (intentional) fallthrough, thus disable implicit-fallthrough.
-CFLAGS += -Wno-implicit-fallthrough
-
-ifeq (llvm,$(TOOLCHAIN))
-  CFLAGS += -Wno-format-nonliteral
-endif
-
-all:
-	$(QQ)"$(MAKE)" -C $(PKG_SOURCE_DIR)

pkg/libcoap/Makefile.dep

@@ -1,6 +0,0 @@
-USEMODULE += posix_sockets
-USEMODULE += posix_headers
-USEMODULE += gnrc_sock_udp
-
-# libcoap is only supported by 32 bit architectures
-FEATURES_REQUIRED += arch_32bit

pkg/libcoap/Makefile.include

@@ -1 +0,0 @@
-INCLUDES += -I$(PKGDIRBASE)/libcoap

tests/pkg_libcoap/Makefile

@@ -1,7 +0,0 @@
-include ../Makefile.tests_common
-
-USEMODULE += gnrc_ipv6
-USEMODULE += sock_udp
-USEPKG += libcoap
-
-include $(RIOTBASE)/Makefile.include

tests/pkg_libcoap/Makefile.ci

@@ -1,24 +0,0 @@
-BOARD_INSUFFICIENT_MEMORY := \
-    bluepill-stm32f030c8 \
-    i-nucleo-lrwan1 \
-    msb-430 \
-    msb-430h \
-    nucleo-f030r8 \
-    nucleo-f031k6 \
-    nucleo-f042k6 \
-    nucleo-f070rb \
-    nucleo-f303k8 \
-    nucleo-f334r8 \
-    nucleo-l011k4 \
-    nucleo-l031k6 \
-    nucleo-l053r8 \
-    samd10-xmini \
-    slstk3400a \
-    stk3200 \
-    stm32f030f4-demo \
-    stm32f0discovery \
-    stm32g0316-disco \
-    stm32l0538-disco \
-    telosb \
-    z1 \
-    #

tests/pkg_libcoap/main.c

@@ -1,23 +0,0 @@
-/*
- * Copyright (C) 2014 Freie Universität Berlin
- *
- * This file is subject to the terms and conditions of the GNU Lesser
- * General Public License v2.1. See the file LICENSE in the top level
- * directory for more details.
- */
-
-/**
- * @file
- * @brief       Check if the libcoap package builds.
- *
- * @author      Ludwig Knüpfer <ludwig.knuepfer@fu-berlin.de>
- *
- */
-
-#include <stdio.h>
-
-int main(void)
-{
-    puts("SUCCESS: Libcoap compiled!");
-    return 0;
-}

tests/pkg_libcoap/tests/01-run.py

@@ -1,12 +0,0 @@
-#!/usr/bin/env python3
-
-import sys
-from testrunner import run
-
-
-def testfunc(child):
-    child.expect_exact('SUCCESS: Libcoap compiled!')
-
-
-if __name__ == "__main__":
-    sys.exit(run(testfunc))