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nuttx-apps/netutils/libwebsockets/CMakeLists.txt
Tiago Medicci d6cf3015d8 netutils/libwebsockets: Fix error regarding building with CMake 
Prior to this change, if an empty folder existed instead of the
actual libwebsockets source, the build would fail. This commit
checks for an actual file instead, avoid such kind of errors.

Signed-off-by: Tiago Medicci <tiago.medicci@espressif.com>
2026-06-16 14:27:29 -03:00

219 lines
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CMake
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# ##############################################################################
# apps/netutils/libwebsockets/CMakeLists.txt
#
# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements. See the NOTICE file distributed with this work for
# additional information regarding copyright ownership. The ASF licenses this
# file to you under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
#
# ##############################################################################
if(CONFIG_NETUTILS_LIBWEBSOCKETS)
# ############################################################################
# Config and Fetch libwebsockets
# ############################################################################
set(LIBWEBSOCKETS_DIR ${CMAKE_CURRENT_LIST_DIR}/libwebsockets)
# Match Makefile: strip kconfig quotes; default when olddefconfig has not run
set(LWS_VERSION ${CONFIG_NETUTILS_LIBWEBSOCKETS_VERSION})
string(REGEX REPLACE "^\"(.*)\"$" "\\1" LWS_VERSION "${LWS_VERSION}")
if(NOT LWS_VERSION)
set(LWS_VERSION "4.3.1")
endif()
if(NOT EXISTS "${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-caps.c")
set(LIBWEBSOCKETS_URL "https://github.com/warmcat/libwebsockets/archive")
FetchContent_Declare(
libwebsockets_fetch
URL ${LIBWEBSOCKETS_URL}/v${LWS_VERSION}.zip SOURCE_DIR
${LIBWEBSOCKETS_DIR} BINARY_DIR
${CMAKE_BINARY_DIR}/apps/netutils/libwebsockets/libwebsockets
DOWNLOAD_NO_PROGRESS true
TIMEOUT 30)
FetchContent_GetProperties(libwebsockets_fetch)
if(NOT libwebsockets_fetch_POPULATED)
FetchContent_Populate(libwebsockets_fetch)
endif()
execute_process(
COMMAND sh -c "patch -p0 < ${CMAKE_CURRENT_LIST_DIR}/libwebsockets.patch"
WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR})
message("patching done")
endif()
# ############################################################################
# Flags
# ############################################################################
string(REPLACE "." ";" LWS_VERSION_PARTS "${LWS_VERSION}")
list(GET LWS_VERSION_PARTS 0 VERSION_MAJOR)
list(LENGTH LWS_VERSION_PARTS LWS_VERSION_PARTS_LEN)
if(LWS_VERSION_PARTS_LEN GREATER 1)
list(GET LWS_VERSION_PARTS 1 VERSION_MINOR)
else()
set(VERSION_MINOR 0)
endif()
if(LWS_VERSION_PARTS_LEN GREATER 2)
list(GET LWS_VERSION_PARTS 2 VERSION_PATCH)
else()
set(VERSION_PATCH 0)
endif()
set(FLAGS
-DLWS_LIBRARY_VERSION_MAJOR=${VERSION_MAJOR}
-DLWS_LIBRARY_VERSION_MINOR=${VERSION_MINOR}
-DLWS_LIBRARY_VERSION_PATCH=${VERSION_PATCH}
-DLWS_LIBRARY_VERSION_PATCH_ELABORATED=${VERSION_PATCH}-unknown
-DLWS_LIBRARY_VERSION="${LWS_VERSION}-unknown"
-Wno-shadow
-Wno-format)
set(INCDIR
${CMAKE_CURRENT_LIST_DIR}
${LIBWEBSOCKETS_DIR}/lib/core
${LIBWEBSOCKETS_DIR}/lib/plat/unix
${LIBWEBSOCKETS_DIR}/lib/event-libs
${LIBWEBSOCKETS_DIR}/lib/system/smd
${LIBWEBSOCKETS_DIR}/lib/system/metrics
${LIBWEBSOCKETS_DIR}/lib/core-net
${LIBWEBSOCKETS_DIR}/lib/roles
${LIBWEBSOCKETS_DIR}/lib/roles/http
${LIBWEBSOCKETS_DIR}/lib/roles/h1
${LIBWEBSOCKETS_DIR}/lib/roles/h2
${LIBWEBSOCKETS_DIR}/lib/roles/ws
${LIBWEBSOCKETS_DIR}/lib/tls)
set(CSRCS
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-caps.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-misc.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-init.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-file.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-pipe.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-service.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-sockets.c
${LIBWEBSOCKETS_DIR}/lib/plat/unix/unix-fds.c
${LIBWEBSOCKETS_DIR}/lib/core/alloc.c
${LIBWEBSOCKETS_DIR}/lib/core/buflist.c
${LIBWEBSOCKETS_DIR}/lib/core/context.c
${LIBWEBSOCKETS_DIR}/lib/core/lws_dll2.c
${LIBWEBSOCKETS_DIR}/lib/core/lws_map.c
${LIBWEBSOCKETS_DIR}/lib/core/libwebsockets.c
${LIBWEBSOCKETS_DIR}/lib/core/logs.c
${LIBWEBSOCKETS_DIR}/lib/core/vfs.c
${LIBWEBSOCKETS_DIR}/lib/misc/base64-decode.c
${LIBWEBSOCKETS_DIR}/lib/misc/cache-ttl/lws-cache-ttl.c
${LIBWEBSOCKETS_DIR}/lib/misc/cache-ttl/heap.c
${LIBWEBSOCKETS_DIR}/lib/misc/cache-ttl/file.c
${LIBWEBSOCKETS_DIR}/lib/misc/dir.c
${LIBWEBSOCKETS_DIR}/lib/misc/prng.c
${LIBWEBSOCKETS_DIR}/lib/misc/lws-ring.c
${LIBWEBSOCKETS_DIR}/lib/misc/lwsac/lwsac.c
${LIBWEBSOCKETS_DIR}/lib/misc/lwsac/cached-file.c
${LIBWEBSOCKETS_DIR}/lib/misc/lejp.c
${LIBWEBSOCKETS_DIR}/lib/misc/sha-1.c
${LIBWEBSOCKETS_DIR}/lib/system/system.c
${LIBWEBSOCKETS_DIR}/lib/system/smd/smd.c
${LIBWEBSOCKETS_DIR}/lib/core-net/dummy-callback.c
${LIBWEBSOCKETS_DIR}/lib/core-net/output.c
${LIBWEBSOCKETS_DIR}/lib/core-net/close.c
${LIBWEBSOCKETS_DIR}/lib/core-net/network.c
${LIBWEBSOCKETS_DIR}/lib/core-net/vhost.c
${LIBWEBSOCKETS_DIR}/lib/core-net/pollfd.c
${LIBWEBSOCKETS_DIR}/lib/core-net/service.c
${LIBWEBSOCKETS_DIR}/lib/core-net/sorted-usec-list.c
${LIBWEBSOCKETS_DIR}/lib/core-net/wsi.c
${LIBWEBSOCKETS_DIR}/lib/core-net/wsi-timeout.c
${LIBWEBSOCKETS_DIR}/lib/core-net/adopt.c
${LIBWEBSOCKETS_DIR}/lib/core-net/state.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/client.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/connect.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/connect2.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/connect3.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/connect4.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/sort-dns.c
${LIBWEBSOCKETS_DIR}/lib/core-net/client/conmon.c
${LIBWEBSOCKETS_DIR}/lib/roles/pipe/ops-pipe.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/header.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/date.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/parsers.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/cookie.c
${LIBWEBSOCKETS_DIR}/lib/roles/h1/ops-h1.c
${LIBWEBSOCKETS_DIR}/lib/roles/h2/http2.c
${LIBWEBSOCKETS_DIR}/lib/roles/h2/hpack.c
${LIBWEBSOCKETS_DIR}/lib/roles/h2/ops-h2.c
${LIBWEBSOCKETS_DIR}/lib/roles/ws/ops-ws.c
${LIBWEBSOCKETS_DIR}/lib/roles/ws/client-ws.c
${LIBWEBSOCKETS_DIR}/lib/roles/ws/client-parser-ws.c
${LIBWEBSOCKETS_DIR}/lib/roles/raw-skt/ops-raw-skt.c
${LIBWEBSOCKETS_DIR}/lib/roles/raw-file/ops-raw-file.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/client/client-http.c
${LIBWEBSOCKETS_DIR}/lib/event-libs/poll/poll.c)
if(CONFIG_NETUTILS_LIBWEBSOCKETS_SERVER)
list(APPEND INCDIR ${LIBWEBSOCKETS_DIR}/lib/roles/http/server)
list(APPEND CSRCS ${LIBWEBSOCKETS_DIR}/lib/roles/ws/server-ws.c
${LIBWEBSOCKETS_DIR}/lib/roles/http/server/server.c
${LIBWEBSOCKETS_DIR}/lib/roles/listen/ops-listen.c)
endif()
if(CONFIG_NETUTILS_LIBWEBSOCKETS_TLS)
list(APPEND INCDIR ${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/wrapper/include
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/wrapper/include/internal)
list(
APPEND
CSRCS
${LIBWEBSOCKETS_DIR}/lib/tls/tls.c
${LIBWEBSOCKETS_DIR}/lib/tls/tls-network.c
${LIBWEBSOCKETS_DIR}/lib/tls/tls-sessions.c
${LIBWEBSOCKETS_DIR}/lib/tls/tls-client.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-tls.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-extensions.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-x509.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-ssl.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-session.c
${LIBWEBSOCKETS_DIR}/lib/tls/mbedtls/mbedtls-client.c)
endif()
if(CONFIG_NETUTILS_MQTTC)
list(APPEND INCDIR ${LIBWEBSOCKETS_DIR}/lib/roles/mqtt)
list(
APPEND
CSRCS
${LIBWEBSOCKETS_DIR}/lib/roles/mqtt/mqtt.c
${LIBWEBSOCKETS_DIR}/lib/roles/mqtt/ops-mqtt.c
${LIBWEBSOCKETS_DIR}/lib/roles/mqtt/primitives.c
${LIBWEBSOCKETS_DIR}/lib/roles/mqtt/client/client-mqtt.c
${LIBWEBSOCKETS_DIR}/lib/roles/mqtt/client/client-mqtt-handshake.c)
endif()
# ############################################################################
# Library Configuration
# ############################################################################
set_property(
TARGET nuttx
APPEND
PROPERTY NUTTX_INCLUDE_DIRECTORIES ${LIBWEBSOCKETS_DIR}/include
${CMAKE_CURRENT_LIST_DIR})
nuttx_add_library(libwebsockets STATIC)
target_sources(libwebsockets PRIVATE ${CSRCS})
target_compile_options(libwebsockets PRIVATE ${FLAGS})
target_include_directories(libwebsockets PRIVATE ${INCDIR})
endif()
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