libwebsockets 记录

网址

参考文档
ubuntu下编译安装libwebsockets
https://blog.csdn.net/weixin_39510813/article/details/82527788/

https://github.com/warmcat/libwebsockets

https://www.libwebsockets.org/

MQTT中间服务器（mosquitto）安装（含cmake和libwebsockets安装）
https://blog.csdn.net/And_ZJ/article/details/90229912
MQTT中间服务器（mosquitto）安装（含cmake和libwebsockets安装）
以下为本人安装mosquitto作为MQTT中间服务器步骤记录，仅供参考。

源码下载
wget http://mosquitto.org/files/source/mosquitto-1.4.9.tar.gz
解压
tar zxfv mosquitto-1.4.9.tar.gz
进入目录
cd mosquitto-1.4.9
编译
make -j4
安装
sudo make install

libwebsockets官网：https://www.libwebsockets.org/

GitHub地址：https://github.com/warmcat/libwebsockets

正式开始

ubuntu 16.04

sudo apt install cmake
sudo apt-get install openssl
sudo apt-get install libssl-dev
安装zlib:
sudo apt-get install zlib1g-dev

git clone https://github.com/warmcat/libwebsockets.git
cd libwebsockets
mkdir build
cd build
cmake …
make
sudo make install

测试

mike@jack-desktop:~/work/libwebsockets/build$ libwebsockets-test-server
[2021/04/09 11:18:03:9804] N: libwebsockets test server - license MIT
[2021/04/09 11:18:03:9806] N: (C) Copyright 2010-2018 Andy Green <andy@warmcat.com>
Using resource path "/usr/local/share/libwebsockets-test-server"
[2021/04/09 11:18:03:9807] N: LWS: 4.1.99-v4.1.0-378-g5672f2a, loglevel 1031
[2021/04/09 11:18:03:9807] N: NET CLI SRV H1 H2 WS ConMon IPv6-absent
[2021/04/09 11:18:03:9809] N:  ++ [wsi|0|pipe] (1)
[2021/04/09 11:18:03:9810] N:  ++ [vh|0|netlink] (1)
[2021/04/09 11:18:03:9811] N:  ++ [vh|1|default||7681] (2)
[2021/04/09 11:18:03:9812] N: lws_socket_bind: nowsi: source ads 0.0.0.0
[2021/04/09 11:18:03:9813] N:  ++ [wsi|1|listen|default||7681] (2)
[2021/04/09 11:18:59:6599] N:  ++ [wsisrv|0|adopted] (1)
[2021/04/09 11:18:59:6601] N:  ++ [wsisrv|1|adopted] (2)
[2021/04/09 11:18:59:7358] N:  ++ [wsisrv|2|adopted] (3)
[2021/04/09 11:18:59:9679] N:  ++ [wsisrv|3|adopted] (4)
[2021/04/09 11:18:59:9921] N:  ++ [wsisrv|4|adopted] (5)
[2021/04/09 11:19:00:0199] N:  ++ [wsisrv|5|adopted] (6)
[2021/04/09 11:19:00:0228] N: Created new mi 0x96c850 ''
[2021/04/09 11:19:04:7354] N:  -- [wsisrv|0|adopted] (5) 5.075s
[2021/04/09 11:19:04:7432] N:  -- [wsisrv|1|adopted] (4) 5.083s
[2021/04/09 11:19:04:9938] N:  -- [wsisrv|2|adopted] (3) 5.258s

222
192.168.99.31:7681

cmake log

mike@jack-desktop:~/work/libwebsockets/build$ cmake ..
-- The C compiler identification is GNU 5.4.0
-- The CXX compiler identification is GNU 5.4.0
-- Check for working C compiler: /usr/bin/cc
-- Check for working C compiler: /usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Compiled with LWS_WITH_DIR and LWS_WITH_LEJP_CONF
-- Found Git: /usr/bin/git (found version "2.7.4")
Git commit hash: v4.1.0-378-g5672f2a
-- Performing Test LWS_HAVE_inline
-- Performing Test LWS_HAVE_inline - Success
-- Performing Test LWS_HAVE___inline__
-- Performing Test LWS_HAVE___inline__ - Success
-- Performing Test LWS_HAVE___inline
-- Performing Test LWS_HAVE___inline - Success
-- Performing Test LWS_HAVE_MALLOC_TRIM
-- Performing Test LWS_HAVE_MALLOC_TRIM - Success
-- Performing Test LWS_HAVE_MALLOC_USABLE_SIZE
-- Performing Test LWS_HAVE_MALLOC_USABLE_SIZE - Success
-- Looking for fork
-- Looking for fork - found
-- Looking for getenv
-- Looking for getenv - found
-- Looking for malloc
-- Looking for malloc - found
-- Looking for memset
-- Looking for memset - found
-- Looking for realloc
-- Looking for realloc - found
-- Looking for socket
-- Looking for socket - found
-- Looking for strerror
-- Looking for strerror - found
-- Looking for vfork
-- Looking for vfork - found
-- Looking for execvpe
-- Looking for execvpe - found
-- Looking for getifaddrs
-- Looking for getifaddrs - found
-- Looking for snprintf
-- Looking for snprintf - found
-- Looking for _snprintf
-- Looking for _snprintf - not found
-- Looking for _vsnprintf
-- Looking for _vsnprintf - not found
-- Looking for getloadavg
-- Looking for getloadavg - found
-- Looking for atoll
-- Looking for atoll - found
-- Looking for _atoi64
-- Looking for _atoi64 - not found
-- Looking for _stat32i64
-- Looking for _stat32i64 - not found
-- Looking for clock_gettime
-- Looking for clock_gettime - found
-- Looking for localtime_r
-- Looking for localtime_r - found
-- Looking for gmtime_r
-- Looking for gmtime_r - found
-- Looking for ctime_r
-- Looking for ctime_r - found
-- Looking for getgrgid_r
-- Looking for getgrgid_r - found
-- Looking for getgrnam_r
-- Looking for getgrnam_r - found
-- Looking for getpwuid_r
-- Looking for getpwuid_r - found
-- Looking for getpwnam_r
-- Looking for getpwnam_r - found
-- Looking for in6addr.h
-- Looking for in6addr.h - not found
-- Looking for memory.h
-- Looking for memory.h - found
-- Looking for netinet/in.h
-- Looking for netinet/in.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stdlib.h
-- Looking for stdlib.h - found
-- Looking for strings.h
-- Looking for strings.h - found
-- Looking for string.h
-- Looking for string.h - found
-- Looking for sys/prctl.h
-- Looking for sys/prctl.h - found
-- Looking for sys/socket.h
-- Looking for sys/socket.h - found
-- Looking for sys/sockio.h
-- Looking for sys/sockio.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for unistd.h
-- Looking for unistd.h - found
-- Looking for vfork.h
-- Looking for vfork.h - not found
-- Looking for sys/capability.h
-- Looking for sys/capability.h - not found
-- Looking for malloc.h
-- Looking for malloc.h - found
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for sys/resource.h
-- Looking for sys/resource.h - found
-- Looking for cap_set_flag in cap
-- Looking for cap_set_flag in cap - not found
-- Looking for 3 include files stdlib.h, ..., string.h
-- Looking for 3 include files stdlib.h, ..., string.h - found
-- Performing Test LWS_HAS_INTPTR_T
-- Performing Test LWS_HAS_INTPTR_T - Success
-- Performing Test LWS_HAS_PTHREAD_SETNAME_NP
-- Performing Test LWS_HAS_PTHREAD_SETNAME_NP - Failed
-- Performing Test LWS_HAS_GETOPT_LONG
-- Performing Test LWS_HAS_GETOPT_LONG - Success
-- Performing Test LWS_HAVE_RTA_PREF
-- Performing Test LWS_HAVE_RTA_PREF - Success
-- Performing Test LWS_HAVE_SUSECONDS_T
-- Performing Test LWS_HAVE_SUSECONDS_T - Success
-- Performing Test LWS_HAVE_VISIBILITY
-- Performing Test LWS_HAVE_VISIBILITY - Success
-- Performing Test LWS_GCC_HAS_IGNORED_QUALIFIERS
-- Performing Test LWS_GCC_HAS_IGNORED_QUALIFIERS - Success
-- Performing Test LWS_GCC_HAS_TYPE_LIMITS
-- Performing Test LWS_GCC_HAS_TYPE_LIMITS - Success
-- Performing Test LWS_GCC_HAS_NO_DEPRECATED_DECLARATIONS
-- Performing Test LWS_GCC_HAS_NO_DEPRECATED_DECLARATIONS - Success
-- Looking for eventfd_read
-- Looking for eventfd_read - found
-- Performing Test LWS_HAVE_PIPE2
-- Performing Test LWS_HAVE_PIPE2 - Success
-- Performing Test LWS_HAVE_TCP_USER_TIMEOUT
-- Performing Test LWS_HAVE_TCP_USER_TIMEOUT - Success
Compiling with SSL support
-- Found OpenSSL: /usr/lib/x86_64-linux-gnu/libssl.so;/usr/lib/x86_64-linux-gnu/libcrypto.so (found version "1.0.2g")
OpenSSL include dir: /usr/include
OpenSSL libraries: /usr/lib/x86_64-linux-gnu/libssl.so;/usr/lib/x86_64-linux-gnu/libcrypto.so;ssl;crypto
-- Looking for openssl/ecdh.h
-- Looking for openssl/ecdh.h - found
-- Looking for SSL_CTX_set1_param
-- Looking for SSL_CTX_set1_param - found
-- Looking for SSL_set_info_callback
-- Looking for SSL_set_info_callback - found
-- Looking for X509_VERIFY_PARAM_set1_host
-- Looking for X509_VERIFY_PARAM_set1_host - found
-- Looking for X509_VERIFY_PARAM_set1_host
-- Looking for X509_VERIFY_PARAM_set1_host - not found
-- Looking for RSA_set0_key
-- Looking for RSA_set0_key - not found
-- Looking for X509_get_key_usage
-- Looking for X509_get_key_usage - not found
-- Looking for EVP_PKEY_new_raw_private_key
-- Looking for EVP_PKEY_new_raw_private_key - not found
-- Looking for SSL_CTX_get0_certificate
-- Looking for SSL_CTX_get0_certificate - found
-- Looking for SSL_get0_alpn_selected
-- Looking for SSL_get0_alpn_selected - found
-- Looking for SSL_set_alpn_protos
-- Looking for SSL_set_alpn_protos - found
-- Looking for EVP_aes_128_cfb8
-- Looking for EVP_aes_128_cfb8 - found
-- Looking for EVP_aes_128_cfb128
-- Looking for EVP_aes_128_cfb128 - found
-- Looking for EVP_aes_192_cfb8
-- Looking for EVP_aes_192_cfb8 - found
-- Looking for EVP_aes_192_cfb128
-- Looking for EVP_aes_192_cfb128 - found
-- Looking for EVP_aes_256_cfb8
-- Looking for EVP_aes_256_cfb8 - found
-- Looking for EVP_aes_256_cfb128
-- Looking for EVP_aes_256_cfb128 - found
-- Looking for EVP_aes_128_xts
-- Looking for EVP_aes_128_xts - found
-- Looking for RSA_verify_pss_mgf1
-- Looking for RSA_verify_pss_mgf1 - not found
-- Looking for HMAC_CTX_new
-- Looking for HMAC_CTX_new - not found
-- Looking for EVP_PKEY_new_raw_private_key
-- Looking for EVP_PKEY_new_raw_private_key - not found
-- Looking for SSL_SESSION_set_time
-- Looking for SSL_SESSION_set_time - found
-- Looking for EC_KEY_new_by_curve_name
-- Looking for EC_KEY_new_by_curve_name - found
-- Performing Test LWS_HAVE_SSL_EXTRA_CHAIN_CERTS
-- Performing Test LWS_HAVE_SSL_EXTRA_CHAIN_CERTS - Success
-- Performing Test LWS_HAVE_EVP_MD_CTX_free
-- Performing Test LWS_HAVE_EVP_MD_CTX_free - Failed
-- Looking for ECDSA_SIG_set0
-- Looking for ECDSA_SIG_set0 - not found
-- Looking for BN_bn2binpad
-- Looking for BN_bn2binpad - not found
-- Looking for EVP_aes_128_wrap
-- Looking for EVP_aes_128_wrap - found
-- Looking for EC_POINT_get_affine_coordinates
-- Looking for EC_POINT_get_affine_coordinates - not found
-- Looking for SSL_CTX_load_verify_file
-- Looking for SSL_CTX_load_verify_file - not found
-- Looking for SSL_CTX_load_verify_dir
-- Looking for SSL_CTX_load_verify_dir - not found
-- Looking for TLS_client_method
-- Looking for TLS_client_method - not found
-- Looking for TLSv1_2_client_method
-- Looking for TLSv1_2_client_method - found
Searching for OpenSSL executable and dlls
OpenSSL executable: /usr/bin/opensslGENCERTS = 1
Generating SSL Certificates for the test-server...
Generating a 2048 bit RSA private key
...............................+++
..................+++
writing new private key to '/home/mike/work/libwebsockets/build/libwebsockets-test-server.key.pem'
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:State or Province Name (full name) [Some-State]:Locality Name (eg, city) []:Organization Name (eg, company) [Internet Widgits Pty Ltd]:Organizational Unit Name (eg, section) []:Common Name (e.g. server FQDN or YOUR name) []:Email Address []:SUCCESSFULLY generated SSL certificate
DIR /home/mike/work/libwebsockets/build CMP /home/mike/work/libwebsockets/cmake
-- Configuring done
-- Generating done
-- Build files have been written to: /home/mike/work/libwebsockets/build

make log

mike@jack-desktop:~/work/libwebsockets/build$ make
Scanning dependencies of target GENHDR
[  0%] Creating build include dir
[  0%] Built target GENHDR
Scanning dependencies of target websockets
[  1%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-caps.c.o
[  1%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-misc.c.o
[  2%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-init.c.o
[  2%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-file.c.o
[  3%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-pipe.c.o
[  4%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-service.c.o
[  4%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-sockets.c.o
[  5%] Building C object lib/CMakeFiles/websockets.dir/plat/unix/unix-fds.c.o
[  5%] Building C object lib/CMakeFiles/websockets.dir/tls/tls.c.o
[  6%] Building C object lib/CMakeFiles/websockets.dir/tls/tls-network.c.o
[  7%] Building C object lib/CMakeFiles/websockets.dir/tls/tls-sessions.c.o
[  7%] Building C object lib/CMakeFiles/websockets.dir/tls/openssl/openssl-tls.c.o
[  8%] Building C object lib/CMakeFiles/websockets.dir/tls/openssl/openssl-x509.c.o
[  8%] Building C object lib/CMakeFiles/websockets.dir/tls/openssl/openssl-ssl.c.o
[  9%] Building C object lib/CMakeFiles/websockets.dir/tls/openssl/openssl-session.c.o
[ 10%] Building C object lib/CMakeFiles/websockets.dir/tls/tls-server.c.o
[ 10%] Building C object lib/CMakeFiles/websockets.dir/tls/openssl/openssl-server.c.o
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[ 12%] Building C object lib/CMakeFiles/websockets.dir/core/alloc.c.o
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[ 68%] Building C object lib/CMakeFiles/websockets_shared.dir/system/system.c.o
[ 69%] Building C object lib/CMakeFiles/websockets_shared.dir/system/smd/smd.c.o
[ 70%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/dummy-callback.c.o
[ 70%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/output.c.o
[ 71%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/close.c.o
[ 71%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/network.c.o
[ 72%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/vhost.c.o
[ 73%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/pollfd.c.o
[ 73%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/service.c.o
[ 74%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/sorted-usec-list.c.o
[ 75%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/wsi.c.o
[ 75%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/wsi-timeout.c.o
[ 76%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/adopt.c.o
[ 76%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/pipe/ops-pipe.c.o
[ 77%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/state.c.o
[ 78%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/route.c.o
[ 78%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/client.c.o
[ 79%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/connect.c.o
[ 79%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/connect2.c.o
[ 80%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/connect3.c.o
[ 81%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/connect4.c.o
[ 81%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/sort-dns.c.o
[ 82%] Building C object lib/CMakeFiles/websockets_shared.dir/core-net/client/conmon.c.o
[ 82%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/header.c.o
[ 83%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/date.c.o
[ 84%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/parsers.c.o
[ 84%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/server/server.c.o
[ 85%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/server/lws-spa.c.o
[ 85%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/server/lejp-conf.c.o
[ 86%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/h1/ops-h1.c.o
[ 87%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/h2/http2.c.o
[ 87%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/h2/hpack.c.o
[ 88%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/h2/ops-h2.c.o
[ 88%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/ws/ops-ws.c.o
[ 89%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/ws/client-ws.c.o
[ 90%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/ws/client-parser-ws.c.o
[ 90%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/ws/server-ws.c.o
[ 91%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/raw-skt/ops-raw-skt.c.o
[ 91%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/raw-file/ops-raw-file.c.o
[ 92%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/listen/ops-listen.c.o
[ 93%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/http/client/client-http.c.o
[ 93%] Building C object lib/CMakeFiles/websockets_shared.dir/roles/netlink/ops-netlink.c.o
[ 94%] Building C object lib/CMakeFiles/websockets_shared.dir/event-libs/poll/poll.c.o
[ 95%] Linking C shared library libwebsockets.so
[ 95%] Built target websockets_shared
Scanning dependencies of target test-lejp
[ 96%] Building C object test-apps/CMakeFiles/test-lejp.dir/test-lejp.c.o
[ 97%] Linking C executable ../bin/libwebsockets-test-lejp
[ 97%] Built target test-lejp
Scanning dependencies of target test-server-extpoll
[ 97%] Building C object test-apps/CMakeFiles/test-server-extpoll.dir/test-server.c.o
[ 98%] Linking C executable ../bin/libwebsockets-test-server-extpoll
[ 98%] Built target test-server-extpoll
Scanning dependencies of target test-server
[ 98%] Building C object test-apps/CMakeFiles/test-server.dir/test-server.c.o
[ 99%] Linking C executable ../bin/libwebsockets-test-server
[ 99%] Built target test-server
Scanning dependencies of target test-client
[100%] Building C object test-apps/CMakeFiles/test-client.dir/test-client.c.o
[100%] Linking C executable ../bin/libwebsockets-test-client
[100%] Built target test-client

111

make install log

mike@jack-desktop:~/work/libwebsockets/build$ sudo make install
[  0%] Built target GENHDR
[ 47%] Built target websockets
[ 95%] Built target websockets_shared
[ 97%] Built target test-lejp
[ 98%] Built target test-server-extpoll
[ 99%] Built target test-server
[100%] Built target test-client
Install the project...
-- Install configuration: ""
-- Installing: /usr/local/include/libwebsockets
-- Installing: /usr/local/include/libwebsockets/lws-lwsac.h
-- Installing: /usr/local/include/libwebsockets/lws-jws.h
-- Installing: /usr/local/include/libwebsockets/lws-http.h
-- Installing: /usr/local/include/libwebsockets/lws-spa.h
-- Installing: /usr/local/include/libwebsockets/lws-button.h
-- Installing: /usr/local/include/libwebsockets/lws-settings.h
-- Installing: /usr/local/include/libwebsockets/lws-protocols-plugins.h
-- Installing: /usr/local/include/libwebsockets/lws-dll2.h
-- Installing: /usr/local/include/libwebsockets/lws-adopt.h
-- Installing: /usr/local/include/libwebsockets/lws-dbus.h
-- Installing: /usr/local/include/libwebsockets/lws-bb-spi.h
-- Installing: /usr/local/include/libwebsockets/lws-x509.h
-- Installing: /usr/local/include/libwebsockets/lws-conmon.h
-- Installing: /usr/local/include/libwebsockets/lws-freertos.h
-- Installing: /usr/local/include/libwebsockets/lws-secure-streams.h
-- Installing: /usr/local/include/libwebsockets/lws-service.h
-- Installing: /usr/local/include/libwebsockets/lws-mqtt.h
-- Installing: /usr/local/include/libwebsockets/lws-secure-streams-client.h
-- Installing: /usr/local/include/libwebsockets/lws-jwe.h
-- Installing: /usr/local/include/libwebsockets/lws-context-vhost.h
-- Installing: /usr/local/include/libwebsockets/lws-gpio.h
-- Installing: /usr/local/include/libwebsockets/lws-timeout-timer.h
-- Installing: /usr/local/include/libwebsockets/lws-spi.h
-- Installing: /usr/local/include/libwebsockets/lws-purify.h
-- Installing: /usr/local/include/libwebsockets/lws-retry.h
-- Installing: /usr/local/include/libwebsockets/lws-ws-state.h
-- Installing: /usr/local/include/libwebsockets/lws-state.h
-- Installing: /usr/local/include/libwebsockets/lws-fault-injection.h
-- Installing: /usr/local/include/libwebsockets/lws-netdev.h
-- Installing: /usr/local/include/libwebsockets/lws-writeable.h
-- Installing: /usr/local/include/libwebsockets/lws-client.h
-- Installing: /usr/local/include/libwebsockets/lws-eventlib-exports.h
-- Installing: /usr/local/include/libwebsockets/lws-diskcache.h
-- Installing: /usr/local/include/libwebsockets/lws-bb-i2c.h
-- Installing: /usr/local/include/libwebsockets/lws-jwk.h
-- Installing: /usr/local/include/libwebsockets/lws-genaes.h
-- Installing: /usr/local/include/libwebsockets/lws-i2c.h
-- Installing: /usr/local/include/libwebsockets/lws-async-dns.h
-- Installing: /usr/local/include/libwebsockets/lws-struct.h
-- Installing: /usr/local/include/libwebsockets/lws-threadpool.h
-- Installing: /usr/local/include/libwebsockets/lws-genec.h
-- Installing: /usr/local/include/libwebsockets/lws-jose.h
-- Installing: /usr/local/include/libwebsockets/lws-ssd1306-i2c.h
-- Installing: /usr/local/include/libwebsockets/lws-tls-sessions.h
-- Installing: /usr/local/include/libwebsockets/lws-system.h
-- Installing: /usr/local/include/libwebsockets/lws-genhash.h
-- Installing: /usr/local/include/libwebsockets/lws-genrsa.h
-- Installing: /usr/local/include/libwebsockets/lws-network-helper.h
-- Installing: /usr/local/include/libwebsockets/lws-display.h
-- Installing: /usr/local/include/libwebsockets/lws-dsh.h
-- Installing: /usr/local/include/libwebsockets/lws-misc.h
-- Installing: /usr/local/include/libwebsockets/lws-test-sequencer.h
-- Installing: /usr/local/include/libwebsockets/lws-sha1-base64.h
-- Installing: /usr/local/include/libwebsockets/lws-sequencer.h
-- Installing: /usr/local/include/libwebsockets/lws-gencrypto.h
-- Installing: /usr/local/include/libwebsockets/lws-write.h
-- Installing: /usr/local/include/libwebsockets/lws-led.h
-- Installing: /usr/local/include/libwebsockets/lws-ring.h
-- Installing: /usr/local/include/libwebsockets/lws-secure-streams-policy.h
-- Installing: /usr/local/include/libwebsockets/lws-fts.h
-- Installing: /usr/local/include/libwebsockets/lws-logs.h
-- Installing: /usr/local/include/libwebsockets/lws-tokenize.h
-- Installing: /usr/local/include/libwebsockets/lws-pwm.h
-- Installing: /usr/local/include/libwebsockets/lws-optee.h
-- Installing: /usr/local/include/libwebsockets/lws-ili9341-spi.h
-- Installing: /usr/local/include/libwebsockets/lws-metrics.h
-- Installing: /usr/local/include/libwebsockets/lws-ws-close.h
-- Installing: /usr/local/include/libwebsockets/lws-ws-ext.h
-- Installing: /usr/local/include/libwebsockets/lws-lejp.h
-- Installing: /usr/local/include/libwebsockets/lws-cgi.h
-- Installing: /usr/local/include/libwebsockets/lws-callbacks.h
-- Installing: /usr/local/include/libwebsockets/abstract
-- Installing: /usr/local/include/libwebsockets/abstract/protocols
-- Installing: /usr/local/include/libwebsockets/abstract/protocols/smtp.h
-- Installing: /usr/local/include/libwebsockets/abstract/protocols.h
-- Installing: /usr/local/include/libwebsockets/abstract/transports
-- Installing: /usr/local/include/libwebsockets/abstract/transports/raw-skt.h
-- Installing: /usr/local/include/libwebsockets/abstract/transports/unit-test.h
-- Installing: /usr/local/include/libwebsockets/abstract/transports.h
-- Installing: /usr/local/include/libwebsockets/abstract/abstract.h
-- Installing: /usr/local/include/libwebsockets/lws-vfs.h
-- Installing: /usr/local/include/libwebsockets/lws-smd.h
-- Installing: /usr/local/include/libwebsockets.h
-- Installing: /usr/local/include/lws_config.h
-- Installing: /usr/local/lib/cmake/libwebsockets/libwebsockets-config.cmake
-- Installing: /usr/local/lib/cmake/libwebsockets/libwebsockets-config-version.cmake
-- Installing: /usr/local/lib/cmake/libwebsockets/LwsCheckRequirements.cmake
-- Installing: /usr/local/lib/cmake/libwebsockets/LibwebsocketsTargets.cmake
-- Installing: /usr/local/lib/cmake/libwebsockets/LibwebsocketsTargets-noconfig.cmake
-- Installing: /usr/local/lib/libwebsockets.a
-- Installing: /usr/local/lib/libwebsockets.so.17
-- Installing: /usr/local/lib/libwebsockets.so
-- Installing: /usr/local/lib/pkgconfig/libwebsockets.pc
-- Installing: /usr/local/lib/pkgconfig/libwebsockets_static.pc
-- Installing: /usr/local/bin/libwebsockets-test-server
-- Installing: /usr/local/bin/libwebsockets-test-server-extpoll
-- Installing: /usr/local/bin/libwebsockets-test-lejp
-- Installing: /usr/local/bin/libwebsockets-test-client
-- Installing: /usr/local/share/libwebsockets-test-server/libwebsockets-test-server.key.pem
-- Installing: /usr/local/share/libwebsockets-test-server/libwebsockets-test-server.pem
-- Installing: /usr/local/share/libwebsockets-test-server/favicon.ico
-- Installing: /usr/local/share/libwebsockets-test-server/leaf.jpg
-- Installing: /usr/local/share/libwebsockets-test-server/candide.zip
-- Installing: /usr/local/share/libwebsockets-test-server/candide-uncompressed.zip
-- Installing: /usr/local/share/libwebsockets-test-server/libwebsockets.org-logo.svg
-- Installing: /usr/local/share/libwebsockets-test-server/http2.png
-- Installing: /usr/local/share/libwebsockets-test-server/wss-over-h2.png
-- Installing: /usr/local/share/libwebsockets-test-server/lws-common.js
-- Installing: /usr/local/share/libwebsockets-test-server/test.html
-- Installing: /usr/local/share/libwebsockets-test-server/test.css
-- Installing: /usr/local/share/libwebsockets-test-server/test.js
-- Installing: /usr/local/share/libwebsockets-test-server/private/index.html
-- Installing: /usr/local/share/libwebsockets-test-server/lws-ssh-test-keys
-- Installing: /usr/local/share/libwebsockets-test-server/lws-ssh-test-keys.pub
mike@jack-desktop:~/work/libwebsockets/build$

1111

交叉编译的问题

ifeq ($(BR2_STATIC_LIBS),y)
LIBWEBSOCKETS_CONF_OPTS += -DLWS_WITH_SHARED=OFF
endif

LIBWEBSOCKETS_CONF_OPTS = -DLWS_WITHOUT_TESTAPPS=OFF -DLWS_IPV6=ON
/home/user/nuc980_iot/NUC970_Buildroot-master/package/libwebsockets/
libwebsockets.mk — 这个文件

make libwebsockets-rebuild

cd libwebsockets-v2.1.0/
ls .stamp_*
rm .stamp_built
rm .stamp_configured

正确的编译过程

user@ubuntu:~/nuc980_iot/NUC970_Buildroot-master$ make libwebsockets-rebuild
rm -f /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/.stamp_staging_installed
rm -f /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/.stamp_target_installed
rm -f /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/.stamp_images_installed
rm -f /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/.stamp_host_installed
rm -f /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/.stamp_built
>>> libwebsockets v2.1.0 Configuring
(mkdir -p /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/ && cd /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/ && rm -f CMakeCache.txt && PATH="/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/sbin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/sbin:/usr/local/arm_linux_4.8/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"  /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin/cmake /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/ -DCMAKE_TOOLCHAIN_FILE="/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/share/buildroot/toolchainfile.cmake" -DCMAKE_INSTALL_PREFIX="/usr" -DCMAKE_COLOR_MAKEFILE=OFF -DBUILD_DOC=OFF -DBUILD_DOCS=OFF -DBUILD_EXAMPLE=OFF -DBUILD_EXAMPLES=OFF -DBUILD_TEST=OFF -DBUILD_TESTS=OFF -DBUILD_TESTING=OFF -DBUILD_SHARED_LIBS=ON  -DLWS_WITHOUT_TESTAPPS=ON -DLWS_IPV6=ON -DLWS_MAX_SMP= -DLWS_WITH_SSL=ON -DLWS_WITH_LIBEV=OFF -DLWS_WITH_LIBUV=OFF -DLWS_WITH_STATIC=OFF )
-- The C compiler identification is GNU 4.8.5
-- Check for working C compiler: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin/arm-nuvoton-linux-uclibcgnueabi-gcc
-- Check for working C compiler: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin/arm-nuvoton-linux-uclibcgnueabi-gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- CMAKE_TOOLCHAIN_FILE='/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/share/buildroot/toolchainfile.cmake'
-- Found Git: /usr/bin/git
fatal: No names found, cannot describe anything.
Git commit hash: user@ubuntu-
-- Performing Test LWS_HAVE_inline
-- Performing Test LWS_HAVE_inline - Success
-- Performing Test LWS_HAVE___inline__
-- Performing Test LWS_HAVE___inline__ - Success
-- Performing Test LWS_HAVE___inline
-- Performing Test LWS_HAVE___inline - Success
-- Looking for bzero
-- Looking for bzero - found
-- Looking for fork
-- Looking for fork - found
-- Looking for getenv
-- Looking for getenv - found
-- Looking for malloc
-- Looking for malloc - found
-- Looking for memset
-- Looking for memset - found
-- Looking for realloc
-- Looking for realloc - found
-- Looking for socket
-- Looking for socket - found
-- Looking for strerror
-- Looking for strerror - found
-- Looking for vfork
-- Looking for vfork - found
-- Looking for execvpe
-- Looking for execvpe - found
-- Looking for getifaddrs
-- Looking for getifaddrs - found
-- Looking for snprintf
-- Looking for snprintf - found
-- Looking for _snprintf
-- Looking for _snprintf - not found
-- Looking for _vsnprintf
-- Looking for _vsnprintf - not found
-- Looking for getloadavg
-- Looking for getloadavg - not found
-- Looking for dlfcn.h
-- Looking for dlfcn.h - found
-- Looking for fcntl.h
-- Looking for fcntl.h - found
-- Looking for in6addr.h
-- Looking for in6addr.h - not found
-- Looking for inttypes.h
-- Looking for inttypes.h - found
-- Looking for memory.h
-- Looking for memory.h - found
-- Looking for netinet/in.h
-- Looking for netinet/in.h - found
-- Looking for stdint.h
-- Looking for stdint.h - found
-- Looking for stdlib.h
-- Looking for stdlib.h - found
-- Looking for strings.h
-- Looking for strings.h - found
-- Looking for string.h
-- Looking for string.h - found
-- Looking for sys/prctl.h
-- Looking for sys/prctl.h - found
-- Looking for sys/socket.h
-- Looking for sys/socket.h - found
-- Looking for sys/sockio.h
-- Looking for sys/sockio.h - not found
-- Looking for sys/stat.h
-- Looking for sys/stat.h - found
-- Looking for sys/types.h
-- Looking for sys/types.h - found
-- Looking for unistd.h
-- Looking for unistd.h - found
-- Looking for vfork.h
-- Looking for vfork.h - not found
-- Looking for zlib.h
-- Looking for zlib.h - found
-- Looking for 4 include files stdlib.h, ..., float.h
-- Looking for 4 include files stdlib.h, ..., float.h - found
-- Performing Test LWS_HAVE_VISIBILITY
-- Performing Test LWS_HAVE_VISIBILITY - Success
-- Found ZLIB: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libz.so (found version "1.2.8")
zlib include dirs: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/include
zlib libraries: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libz.so
Compiling with SSL support
-- Found OpenSSL: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libcrypto.so (found version "1.0.2j")
OpenSSL include dir: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/include
OpenSSL libraries: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libssl.so;/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libcrypto.so
-- Looking for openssl/ecdh.h
-- Looking for openssl/ecdh.h - found
-- Looking for SSL_CTX_set1_param
-- Looking for SSL_CTX_set1_param - found
-- Looking for X509_VERIFY_PARAM_set1_host
-- Looking for X509_VERIFY_PARAM_set1_host - found
-- Looking for RPMTools... - rpmbuild NOT FOUND
---------------------------------------------------------------------Settings:  (For more help do cmake -LH <srcpath>)
---------------------------------------------------------------------LWS_WITH_STATIC = OFFLWS_WITH_SHARED = ONLWS_WITH_SSL = ON (SSL Support)LWS_SSL_CLIENT_USE_OS_CA_CERTS = 1LWS_USE_WOLFSSL = OFF (wolfSSL/CyaSSL replacement for OpenSSL)LWS_WITHOUT_BUILTIN_SHA1 = OFFLWS_WITHOUT_BUILTIN_GETIFADDRS = OFFLWS_WITHOUT_CLIENT = OFFLWS_WITHOUT_SERVER = OFFLWS_LINK_TESTAPPS_DYNAMIC = OFFLWS_WITHOUT_TESTAPPS = ONLWS_WITHOUT_TEST_SERVER = OFFLWS_WITHOUT_TEST_SERVER_EXTPOLL = OFFLWS_WITHOUT_TEST_PING = OFFLWS_WITHOUT_TEST_ECHO = OFFLWS_WITHOUT_TEST_CLIENT = OFFLWS_WITHOUT_TEST_FRAGGLE = OFFLWS_WITHOUT_EXTENSIONS = OFFLWS_WITH_LATENCY = OFFLWS_WITHOUT_DAEMONIZE = ONLWS_USE_LIBEV = LWS_USE_LIBUV = LWS_IPV6 = ONLWS_UNIX_SOCK = OFFLWS_WITH_HTTP2 = OFFLWS_MBED3 = OFFLWS_SSL_SERVER_WITH_ECDH_CERT = OFFLWS_MAX_SMP = 32LWS_WITH_CGI = OFFLWS_HAVE_OPENSSL_ECDH_H = 1LWS_HAVE_SSL_CTX_set1_param = 1LWS_WITH_HTTP_PROXY = OFFLIBHUBBUB_LIBRARIES = PLUGINS = LWS_WITH_ACCESS_LOG = OFFLWS_WITH_SERVER_STATUS = OFFLWS_WITH_LEJP = OFFLWS_WITH_LEJP_CONF = OFFLWS_WITH_SMTP = OFFLWS_WITH_GENERIC_SESSIONS = OFFLWS_STATIC_PIC = OFF
---------------------------------------------------------------------
-- Configuring done
-- Generating done
CMake Warning:Manually-specified variables were not used by the project:BUILD_DOCBUILD_DOCSBUILD_EXAMPLEBUILD_EXAMPLESBUILD_TESTBUILD_TESTINGBUILD_TESTS-- Build files have been written to: /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0
>>> libwebsockets v2.1.0 Building
PATH="/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/sbin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/sbin:/usr/local/arm_linux_4.8/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"  /usr/bin/make -j2  -C /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/
make[1]: Entering directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
make[2]: Entering directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
make[3]: Entering directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
Scanning dependencies of target websockets_shared
make[3]: Leaving directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
[100%] Built target websockets_shared
make[2]: Leaving directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
make[1]: Leaving directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
>>> libwebsockets v2.1.0 Installing to staging directory
PATH="/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/sbin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/sbin:/usr/local/arm_linux_4.8/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"  /usr/bin/make -j2  DESTDIR=/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot install/fast -C /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/
make[1]: Entering directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
Install the project...
-- Install configuration: "Release"
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/pkgconfig/libwebsockets.pc
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libwebsockets.so.9
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/libwebsockets.so
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/include/libwebsockets.h
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/include/lws_config.h
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/cmake/libwebsockets/LibwebsocketsConfig.cmake
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/cmake/libwebsockets/LibwebsocketsConfigVersion.cmake
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/cmake/libwebsockets/LibwebsocketsTargets.cmake
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/arm-nuvoton-linux-uclibcgnueabi/sysroot/usr/lib/cmake/libwebsockets/LibwebsocketsTargets-release.cmake
make[1]: Leaving directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
>>> libwebsockets v2.1.0 Fixing libtool files
>>> libwebsockets v2.1.0 Installing to target
PATH="/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/sbin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/bin:/home/user/nuc980_iot/NUC970_Buildroot-master/output/host/usr/sbin:/usr/local/arm_linux_4.8/usr/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin"  /usr/bin/make -j2  DESTDIR=/home/user/nuc980_iot/NUC970_Buildroot-master/output/target install/fast -C /home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0/
make[1]: Entering directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
Install the project...
-- Install configuration: "Release"
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/pkgconfig/libwebsockets.pc
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/libwebsockets.so.9
-- Up-to-date: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/libwebsockets.so
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/include/libwebsockets.h
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/include/lws_config.h
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/cmake/libwebsockets/LibwebsocketsConfig.cmake
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/cmake/libwebsockets/LibwebsocketsConfigVersion.cmake
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/cmake/libwebsockets/LibwebsocketsTargets.cmake
-- Installing: /home/user/nuc980_iot/NUC970_Buildroot-master/output/target/usr/lib/cmake/libwebsockets/LibwebsocketsTargets-release.cmake
make[1]: Leaving directory '/home/user/nuc980_iot/NUC970_Buildroot-master/output/build/libwebsockets-v2.1.0'
user@ubuntu:~/nuc980_iot/NUC970_Buildroot-master$

libwebsockets/minimal-examples

cmake .
注意后面有一个点 .