Uwsgi: Linking error when installing uwsgi with pip in virtualenv

[TheSalarKhan]

Hello,
I'm getting my Django application ready for production, as a requisite I am trying to install uwsgi in a virtual env using the following command

$ pip install uwsgi

During the install when it is linking I get the following error:

core/subscription.o: In function `uwsgi_remove_subscribe_node':
    subscription.c:(.text+0x9da): undefined reference to `EVP_MD_CTX_free'
    subscription.c:(.text+0xa0e): undefined reference to `EVP_MD_CTX_free'
    core/subscription.o: In function `subscription_new_sign_ctx':
    subscription.c:(.text+0x147d): undefined reference to `EVP_MD_CTX_new'
    subscription.c:(.text+0x14fe): undefined reference to `EVP_MD_CTX_free'
    core/ssl.o: In function `uwsgi_ssl_init':
    ssl.c:(.text+0xb9): undefined reference to `OPENSSL_init_ssl'
    ssl.c:(.text+0xc5): undefined reference to `OPENSSL_init_ssl'
    ssl.c:(.text+0xd1): undefined reference to `OPENSSL_init_crypto'
    core/ssl.o: In function `uwsgi_ssl_new_server_context':
    ssl.c:(.text+0x21f): undefined reference to `TLS_server_method'
    ssl.c:(.text+0x2ef): undefined reference to `SSL_CTX_set_options'
    ssl.c:(.text+0x32b): undefined reference to `SSL_CTX_set_options'
    ssl.c:(.text+0x506): undefined reference to `SSL_CTX_set_options'
    core/ssl.o: In function `uwsgi_rsa_sign':
    ssl.c:(.text+0x7ec): undefined reference to `EVP_MD_CTX_new'
    ssl.c:(.text+0x872): undefined reference to `EVP_MD_CTX_free'
    ssl.c:(.text+0x9a5): undefined reference to `EVP_MD_CTX_free'
    core/ssl.o: In function `uwsgi_sni_cb':
    ssl.c:(.text+0xf0b): undefined reference to `SSL_CTX_get_options'
    ssl.c:(.text+0xf16): undefined reference to `SSL_set_options'
    collect2: error: ld returned 1 exit status
    *** error linking uWSGI ***

From what I know, this is a link error, I thought it cannot find openssl, but I have openssl installed - I think. I'm using Ubuntu 16.04 x86_64. Any help would be appreciated. Thank you! :)

[TheSalarKhan]

I installed openssl using the following command

$ sudo apt-get install openssl

[unbit]

Hi, you have to install libssl-dev (or equivalent)

[TheSalarKhan]

Hi! I just ran this, it says its already installed.

$ sudo apt-get install libssl-dev
 Reading package lists... Done
 Building dependency tree       
 Reading state information... Done
 libssl-dev is already the newest version (1.0.2g-1ubuntu4.6).
 0 upgraded, 0 newly installed, 0 to remove and 90 not upgraded.
 (uwsgi-tutorial) salar@viper:~/uwsgi-tutorial$ 

I retried installing but no luck. Let me know If you need any other info. :)

[TheSalarKhan]

This is the link I'm following!
http://uwsgi-docs.readthedocs.io/en/latest/tutorials/Django_and_nginx.html

[sengaya]

Same problem here, libssl-dev is already installed.

[gralance]

Same problem here, install uwsgi 2.0.15 in pypy 5.9 and python 3.5.3 in Ubuntu 16.04
openssl 1.0.2g

[OnlyBelter]

Same problem, I use CentOS 7.4, anaconda3 v5.0.1, in a virtual environment of python 3.5

my error info

Collecting uwsgi
  Using cached uwsgi-2.0.15.tar.gz
Building wheels for collected packages: uwsgi
  Running setup.py bdist_wheel for uwsgi ... error
  Complete output from command /home/met2017/anaconda3/envs/django-py35/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-ky2m56d5/uwsgi/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" bdist_wheel -d /tmp/tmpnzi7g35xpip-wheel- --python-tag cp35:
  /home/met2017/anaconda3/envs/django-py35/lib/python3.5/distutils/dist.py:261: UserWarning: Unknown distribution option: 'descriptions'
    warnings.warn(msg)
  running bdist_wheel
  running build
  running build_py
  creating build
  creating build/lib
  copying uwsgidecorators.py -> build/lib
  installing to build/bdist.linux-x86_64/wheel
  running install
  using profile: buildconf/default.ini
  detected include path: ['/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include', '/usr/local/include', '/usr/include']
  Patching "bin_name" to properly install_scripts dir
  detected CPU cores: 8
  configured CFLAGS: -O2 -I. -Wall -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-format -Wno-format-security -DUWSGI_HAS_IFADDRS -DUWSGI_ZLIB -DUWSGI_LOCK_USE_MUTEX -DUWSGI_EVENT_USE_EPOLL -DUWSGI_EVENT_TIMER_USE_TIMERFD -DUWSGI_EVENT_FILEMONITOR_USE_INOTIFY -I/home/met2017/anaconda3/envs/django-py35/include -DUWSGI_PCRE -DUWSGI_ROUTING -DUWSGI_VERSION="\"2.0.15\"" -DUWSGI_VERSION_BASE="2" -DUWSGI_VERSION_MAJOR="0" -DUWSGI_VERSION_MINOR="15" -DUWSGI_VERSION_REVISION="0" -DUWSGI_VERSION_CUSTOM="\"\"" -DUWSGI_YAML -DUWSGI_SSL -I/home/met2017/anaconda3/envs/django-py35/include/libxml2 -I/home/met2017/anaconda3/envs/django-py35/include -DUWSGI_XML -DUWSGI_XML_LIBXML2 -DUWSGI_PLUGIN_DIR="\".\"" -DUWSGI_DECLARE_EMBEDDED_PLUGINS="UDEP(python);UDEP(gevent);UDEP(ping);UDEP(cache);UDEP(nagios);UDEP(rrdtool);UDEP(carbon);UDEP(rpc);UDEP(corerouter);UDEP(fastrouter);UDEP(http);UDEP(ugreen);UDEP(signal);UDEP(syslog);UDEP(rsyslog);UDEP(logsocket);UDEP(router_uwsgi);UDEP(router_redirect);UDEP(router_basicauth);UDEP(zergpool);UDEP(redislog);UDEP(mongodblog);UDEP(router_rewrite);UDEP(router_http);UDEP(logfile);UDEP(router_cache);UDEP(rawrouter);UDEP(router_static);UDEP(sslrouter);UDEP(spooler);UDEP(cheaper_busyness);UDEP(symcall);UDEP(transformation_tofile);UDEP(transformation_gzip);UDEP(transformation_chunked);UDEP(transformation_offload);UDEP(router_memcached);UDEP(router_redis);UDEP(router_hash);UDEP(router_expires);UDEP(router_metrics);UDEP(transformation_template);UDEP(stats_pusher_socket);" -DUWSGI_LOAD_EMBEDDED_PLUGINS="ULEP(python);ULEP(gevent);ULEP(ping);ULEP(cache);ULEP(nagios);ULEP(rrdtool);ULEP(carbon);ULEP(rpc);ULEP(corerouter);ULEP(fastrouter);ULEP(http);ULEP(ugreen);ULEP(signal);ULEP(syslog);ULEP(rsyslog);ULEP(logsocket);ULEP(router_uwsgi);ULEP(router_redirect);ULEP(router_basicauth);ULEP(zergpool);ULEP(redislog);ULEP(mongodblog);ULEP(router_rewrite);ULEP(router_http);ULEP(logfile);ULEP(router_cache);ULEP(rawrouter);ULEP(router_static);ULEP(sslrouter);ULEP(spooler);ULEP(cheaper_busyness);ULEP(symcall);ULEP(transformation_tofile);ULEP(transformation_gzip);ULEP(transformation_chunked);ULEP(transformation_offload);ULEP(router_memcached);ULEP(router_redis);ULEP(router_hash);ULEP(router_expires);ULEP(router_metrics);ULEP(transformation_template);ULEP(stats_pusher_socket);"
  *** uWSGI compiling server core ***
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/utils.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/protocol.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/socket.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/logging.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/master.o
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  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/emperor.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/notify.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/mule.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/subscription.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/stats.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/sendfile.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/async.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/master_checks.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/fifo.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/offload.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/io.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/static.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/websockets.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/spooler.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/snmp.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/exceptions.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/config.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/setup_utils.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/clock.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/init.o
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  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/writer.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/alarm.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/cron.o
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  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/plugins.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/lock.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/cache.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/daemons.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/errors.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/hash.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/master_events.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/chunked.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/queue.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/event.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/signal.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/strings.o
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  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/timebomb.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/ini.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/fsmon.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/mount.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/metrics.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/plugins_builder.o
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  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/cookie.o
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  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/rb_timers.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/transformations.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/uwsgi.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/base.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/uwsgi.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/http.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/fastcgi.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/scgi.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] proto/puwsgi.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] lib/linux_ns.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/zlib.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/regexp.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/routing.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/yaml.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/ssl.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/legion.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/xmlconf.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/dot_h.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/config_py.o
  *** uWSGI compiling embedded plugins ***
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/python_plugin.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/pyutils.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/pyloader.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/wsgi_handlers.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/wsgi_headers.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/wsgi_subhandler.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/web3_subhandler.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/pump_subhandler.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/gil.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/uwsgi_pymodule.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/profiler.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/symimporter.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/tracebacker.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/python/raw.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/gevent/gevent.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/gevent/hooks.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/ping/ping_plugin.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/cache/cache.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/nagios/nagios.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/rrdtool/rrdtool.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/carbon/carbon.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/rpc/rpc_plugin.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/corerouter/cr_common.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/corerouter/cr_map.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/corerouter/corerouter.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/fastrouter/fastrouter.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/http/http.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/http/keepalive.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/http/https.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/http/spdy3.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/ugreen/ugreen.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/signal/signal_plugin.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/syslog/syslog_plugin.o
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  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/logsocket/logsocket_plugin.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_uwsgi/router_uwsgi.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_redirect/router_redirect.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_basicauth/router_basicauth.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/zergpool/zergpool.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/redislog/redislog_plugin.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/mongodblog/mongodblog_plugin.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_rewrite/router_rewrite.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_http/router_http.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/logfile/logfile.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_cache/router_cache.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/rawrouter/rawrouter.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_static/router_static.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/sslrouter/sslrouter.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/spooler/spooler_plugin.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/cheaper_busyness/cheaper_busyness.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/symcall/symcall_plugin.o
  [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/transformation_tofile/tofile.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/transformation_gzip/gzip.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/transformation_chunked/chunked.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/transformation_offload/offload.o
  [thread 5][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_memcached/router_memcached.o
  [thread 6][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_redis/router_redis.o
  [thread 0][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_hash/router_hash.o
  [thread 2][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_expires/expires.o
  [thread 7][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/router_metrics/plugin.o
  [thread 4][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/transformation_template/tt.o
  [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] plugins/stats_pusher_socket/plugin.o
  *** uWSGI linking ***
  gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat -o build/bdist.linux-x86_64/wheel/uWSGI-2.0.15.data/scripts/uwsgi  core/utils.o core/protocol.o core/socket.o core/logging.o core/master.o core/master_utils.o core/emperor.o core/notify.o core/mule.o core/subscription.o core/stats.o core/sendfile.o core/async.o core/master_checks.o core/fifo.o core/offload.o core/io.o core/static.o core/websockets.o core/spooler.o core/snmp.o core/exceptions.o core/config.o core/setup_utils.o core/clock.o core/init.o core/buffer.o core/reader.o core/writer.o core/alarm.o core/cron.o core/hooks.o core/plugins.o core/lock.o core/cache.o core/daemons.o core/errors.o core/hash.o core/master_events.o core/chunked.o core/queue.o core/event.o core/signal.o core/strings.o core/progress.o core/timebomb.o core/ini.o core/fsmon.o core/mount.o core/metrics.o core/plugins_builder.o core/sharedarea.o core/rpc.o core/gateway.o core/loop.o core/cookie.o core/querystring.o core/rb_timers.o core/transformations.o core/uwsgi.o proto/base.o proto/uwsgi.o proto/http.o proto/fastcgi.o proto/scgi.o proto/puwsgi.o lib/linux_ns.o core/zlib.o core/regexp.o core/routing.o core/yaml.o core/ssl.o core/legion.o core/xmlconf.o core/dot_h.o core/config_py.o plugins/python/python_plugin.o plugins/python/pyutils.o plugins/python/pyloader.o plugins/python/wsgi_handlers.o plugins/python/wsgi_headers.o plugins/python/wsgi_subhandler.o plugins/python/web3_subhandler.o plugins/python/pump_subhandler.o plugins/python/gil.o plugins/python/uwsgi_pymodule.o plugins/python/profiler.o plugins/python/symimporter.o plugins/python/tracebacker.o plugins/python/raw.o plugins/gevent/gevent.o plugins/gevent/hooks.o plugins/ping/ping_plugin.o plugins/cache/cache.o plugins/nagios/nagios.o plugins/rrdtool/rrdtool.o plugins/carbon/carbon.o plugins/rpc/rpc_plugin.o plugins/corerouter/cr_common.o plugins/corerouter/cr_map.o plugins/corerouter/corerouter.o plugins/fastrouter/fastrouter.o plugins/http/http.o plugins/http/keepalive.o plugins/http/https.o plugins/http/spdy3.o plugins/ugreen/ugreen.o plugins/signal/signal_plugin.o plugins/syslog/syslog_plugin.o plugins/rsyslog/rsyslog_plugin.o plugins/logsocket/logsocket_plugin.o plugins/router_uwsgi/router_uwsgi.o plugins/router_redirect/router_redirect.o plugins/router_basicauth/router_basicauth.o plugins/zergpool/zergpool.o plugins/redislog/redislog_plugin.o plugins/mongodblog/mongodblog_plugin.o plugins/router_rewrite/router_rewrite.o plugins/router_http/router_http.o plugins/logfile/logfile.o plugins/router_cache/router_cache.o plugins/rawrouter/rawrouter.o plugins/router_static/router_static.o plugins/sslrouter/sslrouter.o plugins/spooler/spooler_plugin.o plugins/cheaper_busyness/cheaper_busyness.o plugins/symcall/symcall_plugin.o plugins/transformation_tofile/tofile.o plugins/transformation_gzip/gzip.o plugins/transformation_chunked/chunked.o plugins/transformation_offload/offload.o plugins/router_memcached/router_memcached.o plugins/router_redis/router_redis.o plugins/router_hash/router_hash.o plugins/router_expires/expires.o plugins/router_metrics/plugin.o plugins/transformation_template/tt.o plugins/stats_pusher_socket/plugin.o -lpthread -lm -rdynamic -ldl -lz -L/home/met2017/anaconda3/envs/django-py35/lib -lpcre -lssl -lcrypto -L/home/met2017/anaconda3/envs/django-py35/lib -lxml2 -L/home/met2017/anaconda3/envs/django-py35/lib -lz -L/home/met2017/anaconda3/envs/django-py35/lib -llzma -L/home/met2017/anaconda3/envs/django-py35/lib -L/home/met2017/anaconda3/envs/django-py35/lib -licui18n -licuuc -licudata -lm -ldl -lpthread -ldl -lutil -lrt -lm /home/met2017/anaconda3/envs/django-py35/lib/python3.5/config-3.5m/libpython3.5m.a -lutil -lcrypt
  /home/met2017/anaconda3/envs/django-py35/compiler_compat/ld: warning: libfreebl3.so, needed by /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so, not found (try using -rpath or -rpath-link)
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOW_Shutdown@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_End@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOW_Init@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_NewContext@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Begin@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Update@NSSRAWHASH_3.12.3'
  /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Destroy@NSSRAWHASH_3.12.3'
  collect2: error: ld returned 1 exit status
  *** error linking uWSGI ***

  ----------------------------------------
  Failed building wheel for uwsgi
  Running setup.py clean for uwsgi
Failed to build uwsgi
Installing collected packages: uwsgi
  Running setup.py install for uwsgi ... error
    Complete output from command /home/met2017/anaconda3/envs/django-py35/bin/python -u -c "import setuptools, tokenize;__file__='/tmp/pip-build-ky2m56d5/uwsgi/setup.py';f=getattr(tokenize, 'open', open)(__file__);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, __file__, 'exec'))" install --record /tmp/pip-0ceidynx-record/install-record.txt --single-version-externally-managed --compile:
    /home/met2017/anaconda3/envs/django-py35/lib/python3.5/distutils/dist.py:261: UserWarning: Unknown distribution option: 'descriptions'
      warnings.warn(msg)
    running install
    using profile: buildconf/default.ini
    detected include path: ['/usr/lib/gcc/x86_64-redhat-linux/4.8.5/include', '/usr/local/include', '/usr/include']
    Patching "bin_name" to properly install_scripts dir
    detected CPU cores: 8
    configured CFLAGS: -O2 -I. -Wall -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-format -Wno-format-security -DUWSGI_HAS_IFADDRS -DUWSGI_ZLIB -DUWSGI_LOCK_USE_MUTEX -DUWSGI_EVENT_USE_EPOLL -DUWSGI_EVENT_TIMER_USE_TIMERFD -DUWSGI_EVENT_FILEMONITOR_USE_INOTIFY -I/home/met2017/anaconda3/envs/django-py35/include -DUWSGI_PCRE -DUWSGI_ROUTING -DUWSGI_VERSION="\"2.0.15\"" -DUWSGI_VERSION_BASE="2" -DUWSGI_VERSION_MAJOR="0" -DUWSGI_VERSION_MINOR="15" -DUWSGI_VERSION_REVISION="0" -DUWSGI_VERSION_CUSTOM="\"\"" -DUWSGI_YAML -DUWSGI_SSL -I/home/met2017/anaconda3/envs/django-py35/include/libxml2 -I/home/met2017/anaconda3/envs/django-py35/include -DUWSGI_XML -DUWSGI_XML_LIBXML2 -DUWSGI_PLUGIN_DIR="\".\"" -DUWSGI_DECLARE_EMBEDDED_PLUGINS="UDEP(python);UDEP(gevent);UDEP(ping);UDEP(cache);UDEP(nagios);UDEP(rrdtool);UDEP(carbon);UDEP(rpc);UDEP(corerouter);UDEP(fastrouter);UDEP(http);UDEP(ugreen);UDEP(signal);UDEP(syslog);UDEP(rsyslog);UDEP(logsocket);UDEP(router_uwsgi);UDEP(router_redirect);UDEP(router_basicauth);UDEP(zergpool);UDEP(redislog);UDEP(mongodblog);UDEP(router_rewrite);UDEP(router_http);UDEP(logfile);UDEP(router_cache);UDEP(rawrouter);UDEP(router_static);UDEP(sslrouter);UDEP(spooler);UDEP(cheaper_busyness);UDEP(symcall);UDEP(transformation_tofile);UDEP(transformation_gzip);UDEP(transformation_chunked);UDEP(transformation_offload);UDEP(router_memcached);UDEP(router_redis);UDEP(router_hash);UDEP(router_expires);UDEP(router_metrics);UDEP(transformation_template);UDEP(stats_pusher_socket);" -DUWSGI_LOAD_EMBEDDED_PLUGINS="ULEP(python);ULEP(gevent);ULEP(ping);ULEP(cache);ULEP(nagios);ULEP(rrdtool);ULEP(carbon);ULEP(rpc);ULEP(corerouter);ULEP(fastrouter);ULEP(http);ULEP(ugreen);ULEP(signal);ULEP(syslog);ULEP(rsyslog);ULEP(logsocket);ULEP(router_uwsgi);ULEP(router_redirect);ULEP(router_basicauth);ULEP(zergpool);ULEP(redislog);ULEP(mongodblog);ULEP(router_rewrite);ULEP(router_http);ULEP(logfile);ULEP(router_cache);ULEP(rawrouter);ULEP(router_static);ULEP(sslrouter);ULEP(spooler);ULEP(cheaper_busyness);ULEP(symcall);ULEP(transformation_tofile);ULEP(transformation_gzip);ULEP(transformation_chunked);ULEP(transformation_offload);ULEP(router_memcached);ULEP(router_redis);ULEP(router_hash);ULEP(router_expires);ULEP(router_metrics);ULEP(transformation_template);ULEP(stats_pusher_socket);"
    *** uWSGI compiling server core ***
    core/utils.o is up to date
    core/protocol.o is up to date
    core/socket.o is up to date
    core/logging.o is up to date
    core/master.o is up to date
    core/master_utils.o is up to date
    core/emperor.o is up to date
    core/notify.o is up to date
    core/mule.o is up to date
    core/subscription.o is up to date
    core/stats.o is up to date
    core/sendfile.o is up to date
    core/async.o is up to date
    core/master_checks.o is up to date
    core/fifo.o is up to date
    core/offload.o is up to date
    core/io.o is up to date
    core/static.o is up to date
    core/websockets.o is up to date
    core/spooler.o is up to date
    core/snmp.o is up to date
    core/exceptions.o is up to date
    core/config.o is up to date
    core/setup_utils.o is up to date
    core/clock.o is up to date
    core/init.o is up to date
    core/buffer.o is up to date
    core/reader.o is up to date
    core/writer.o is up to date
    core/alarm.o is up to date
    core/cron.o is up to date
    core/hooks.o is up to date
    core/plugins.o is up to date
    core/lock.o is up to date
    core/cache.o is up to date
    core/daemons.o is up to date
    core/errors.o is up to date
    core/hash.o is up to date
    core/master_events.o is up to date
    core/chunked.o is up to date
    core/queue.o is up to date
    core/event.o is up to date
    core/signal.o is up to date
    core/strings.o is up to date
    core/progress.o is up to date
    core/timebomb.o is up to date
    core/ini.o is up to date
    core/fsmon.o is up to date
    core/mount.o is up to date
    core/metrics.o is up to date
    core/plugins_builder.o is up to date
    core/sharedarea.o is up to date
    core/rpc.o is up to date
    core/gateway.o is up to date
    core/loop.o is up to date
    core/cookie.o is up to date
    core/querystring.o is up to date
    core/rb_timers.o is up to date
    core/transformations.o is up to date
    core/uwsgi.o is up to date
    proto/base.o is up to date
    proto/uwsgi.o is up to date
    proto/http.o is up to date
    proto/fastcgi.o is up to date
    proto/scgi.o is up to date
    proto/puwsgi.o is up to date
    lib/linux_ns.o is up to date
    core/zlib.o is up to date
    core/regexp.o is up to date
    core/routing.o is up to date
    core/yaml.o is up to date
    core/ssl.o is up to date
    core/legion.o is up to date
    core/xmlconf.o is up to date
    [thread 3][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/dot_h.o
    [thread 1][gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat] core/config_py.o
    *** uWSGI compiling embedded plugins ***
    plugins/python/python_plugin.o is up to date
    plugins/python/pyutils.o is up to date
    plugins/python/pyloader.o is up to date
    plugins/python/wsgi_handlers.o is up to date
    plugins/python/wsgi_headers.o is up to date
    plugins/python/wsgi_subhandler.o is up to date
    plugins/python/web3_subhandler.o is up to date
    plugins/python/pump_subhandler.o is up to date
    plugins/python/gil.o is up to date
    plugins/python/uwsgi_pymodule.o is up to date
    plugins/python/profiler.o is up to date
    plugins/python/symimporter.o is up to date
    plugins/python/tracebacker.o is up to date
    plugins/python/raw.o is up to date
    plugins/gevent/gevent.o is up to date
    plugins/gevent/hooks.o is up to date
    plugins/ping/ping_plugin.o is up to date
    plugins/cache/cache.o is up to date
    plugins/nagios/nagios.o is up to date
    plugins/rrdtool/rrdtool.o is up to date
    plugins/carbon/carbon.o is up to date
    plugins/rpc/rpc_plugin.o is up to date
    plugins/corerouter/cr_common.o is up to date
    plugins/corerouter/cr_map.o is up to date
    plugins/corerouter/corerouter.o is up to date
    plugins/fastrouter/fastrouter.o is up to date
    plugins/http/http.o is up to date
    plugins/http/keepalive.o is up to date
    plugins/http/https.o is up to date
    plugins/http/spdy3.o is up to date
    plugins/ugreen/ugreen.o is up to date
    plugins/signal/signal_plugin.o is up to date
    plugins/syslog/syslog_plugin.o is up to date
    plugins/rsyslog/rsyslog_plugin.o is up to date
    plugins/logsocket/logsocket_plugin.o is up to date
    plugins/router_uwsgi/router_uwsgi.o is up to date
    plugins/router_redirect/router_redirect.o is up to date
    plugins/router_basicauth/router_basicauth.o is up to date
    plugins/zergpool/zergpool.o is up to date
    plugins/redislog/redislog_plugin.o is up to date
    plugins/mongodblog/mongodblog_plugin.o is up to date
    plugins/router_rewrite/router_rewrite.o is up to date
    plugins/router_http/router_http.o is up to date
    plugins/logfile/logfile.o is up to date
    plugins/router_cache/router_cache.o is up to date
    plugins/rawrouter/rawrouter.o is up to date
    plugins/router_static/router_static.o is up to date
    plugins/sslrouter/sslrouter.o is up to date
    plugins/spooler/spooler_plugin.o is up to date
    plugins/cheaper_busyness/cheaper_busyness.o is up to date
    plugins/symcall/symcall_plugin.o is up to date
    plugins/transformation_tofile/tofile.o is up to date
    plugins/transformation_gzip/gzip.o is up to date
    plugins/transformation_chunked/chunked.o is up to date
    plugins/transformation_offload/offload.o is up to date
    plugins/router_memcached/router_memcached.o is up to date
    plugins/router_redis/router_redis.o is up to date
    plugins/router_hash/router_hash.o is up to date
    plugins/router_expires/expires.o is up to date
    plugins/router_metrics/plugin.o is up to date
    plugins/transformation_template/tt.o is up to date
    plugins/stats_pusher_socket/plugin.o is up to date
    *** uWSGI linking ***
    gcc -pthread -B /home/met2017/anaconda3/envs/django-py35/compiler_compat -o /home/met2017/anaconda3/envs/django-py35/bin/uwsgi  core/utils.o core/protocol.o core/socket.o core/logging.o core/master.o core/master_utils.o core/emperor.o core/notify.o core/mule.o core/subscription.o core/stats.o core/sendfile.o core/async.o core/master_checks.o core/fifo.o core/offload.o core/io.o core/static.o core/websockets.o core/spooler.o core/snmp.o core/exceptions.o core/config.o core/setup_utils.o core/clock.o core/init.o core/buffer.o core/reader.o core/writer.o core/alarm.o core/cron.o core/hooks.o core/plugins.o core/lock.o core/cache.o core/daemons.o core/errors.o core/hash.o core/master_events.o core/chunked.o core/queue.o core/event.o core/signal.o core/strings.o core/progress.o core/timebomb.o core/ini.o core/fsmon.o core/mount.o core/metrics.o core/plugins_builder.o core/sharedarea.o core/rpc.o core/gateway.o core/loop.o core/cookie.o core/querystring.o core/rb_timers.o core/transformations.o core/uwsgi.o proto/base.o proto/uwsgi.o proto/http.o proto/fastcgi.o proto/scgi.o proto/puwsgi.o lib/linux_ns.o core/zlib.o core/regexp.o core/routing.o core/yaml.o core/ssl.o core/legion.o core/xmlconf.o core/dot_h.o core/config_py.o plugins/python/python_plugin.o plugins/python/pyutils.o plugins/python/pyloader.o plugins/python/wsgi_handlers.o plugins/python/wsgi_headers.o plugins/python/wsgi_subhandler.o plugins/python/web3_subhandler.o plugins/python/pump_subhandler.o plugins/python/gil.o plugins/python/uwsgi_pymodule.o plugins/python/profiler.o plugins/python/symimporter.o plugins/python/tracebacker.o plugins/python/raw.o plugins/gevent/gevent.o plugins/gevent/hooks.o plugins/ping/ping_plugin.o plugins/cache/cache.o plugins/nagios/nagios.o plugins/rrdtool/rrdtool.o plugins/carbon/carbon.o plugins/rpc/rpc_plugin.o plugins/corerouter/cr_common.o plugins/corerouter/cr_map.o plugins/corerouter/corerouter.o plugins/fastrouter/fastrouter.o plugins/http/http.o plugins/http/keepalive.o plugins/http/https.o plugins/http/spdy3.o plugins/ugreen/ugreen.o plugins/signal/signal_plugin.o plugins/syslog/syslog_plugin.o plugins/rsyslog/rsyslog_plugin.o plugins/logsocket/logsocket_plugin.o plugins/router_uwsgi/router_uwsgi.o plugins/router_redirect/router_redirect.o plugins/router_basicauth/router_basicauth.o plugins/zergpool/zergpool.o plugins/redislog/redislog_plugin.o plugins/mongodblog/mongodblog_plugin.o plugins/router_rewrite/router_rewrite.o plugins/router_http/router_http.o plugins/logfile/logfile.o plugins/router_cache/router_cache.o plugins/rawrouter/rawrouter.o plugins/router_static/router_static.o plugins/sslrouter/sslrouter.o plugins/spooler/spooler_plugin.o plugins/cheaper_busyness/cheaper_busyness.o plugins/symcall/symcall_plugin.o plugins/transformation_tofile/tofile.o plugins/transformation_gzip/gzip.o plugins/transformation_chunked/chunked.o plugins/transformation_offload/offload.o plugins/router_memcached/router_memcached.o plugins/router_redis/router_redis.o plugins/router_hash/router_hash.o plugins/router_expires/expires.o plugins/router_metrics/plugin.o plugins/transformation_template/tt.o plugins/stats_pusher_socket/plugin.o -lpthread -lm -rdynamic -ldl -lz -L/home/met2017/anaconda3/envs/django-py35/lib -lpcre -lssl -lcrypto -L/home/met2017/anaconda3/envs/django-py35/lib -lxml2 -L/home/met2017/anaconda3/envs/django-py35/lib -lz -L/home/met2017/anaconda3/envs/django-py35/lib -llzma -L/home/met2017/anaconda3/envs/django-py35/lib -L/home/met2017/anaconda3/envs/django-py35/lib -licui18n -licuuc -licudata -lm -ldl -lpthread -ldl -lutil -lrt -lm /home/met2017/anaconda3/envs/django-py35/lib/python3.5/config-3.5m/libpython3.5m.a -lutil -lcrypt
    /home/met2017/anaconda3/envs/django-py35/compiler_compat/ld: warning: libfreebl3.so, needed by /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so, not found (try using -rpath or -rpath-link)
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOW_Shutdown@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_End@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOW_Init@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_NewContext@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Begin@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Update@NSSRAWHASH_3.12.3'
    /usr/lib/gcc/x86_64-redhat-linux/4.8.5/../../../../lib64/libcrypt.so: undefined reference to `NSSLOWHASH_Destroy@NSSRAWHASH_3.12.3'
    collect2: error: ld returned 1 exit status
    *** error linking uWSGI ***

[OnlyBelter]

If I create a virtual environment with conda create -n py27 python=2.7, I can install uwsgi by pip install uwsgi correctly!

CentOS 7.2 and CentOS 7.3 can install correctly!

CentOS 7.4 with python 3.4 also does not work, like above in python 3.5, but has different error hint!

error information:

gcc -pthread -o /home/met2017/anaconda3/envs/py34/bin/uwsgi -L/home/met2017/anaconda3/envs/py34/lib -Wl,-rpath,/home/met2017/anaconda3/envs/py34/lib core/utils.o core/protocol.o core/socket.o core/logging.o core/master.o core/master_utils.o core/emperor.o core/notify.o core/mule.o core/subscription.o core/stats.o core/sendfile.o core/async.o core/master_checks.o core/fifo.o core/offload.o core/io.o core/static.o core/websockets.o core/spooler.o core/snmp.o core/exceptions.o core/config.o core/setup_utils.o core/clock.o core/init.o core/buffer.o core/reader.o core/writer.o core/alarm.o core/cron.o core/hooks.o core/plugins.o core/lock.o core/cache.o core/daemons.o core/errors.o core/hash.o core/master_events.o core/chunked.o core/queue.o core/event.o core/signal.o core/strings.o core/progress.o core/timebomb.o core/ini.o core/fsmon.o core/mount.o core/metrics.o core/plugins_builder.o core/sharedarea.o core/rpc.o core/gateway.o core/loop.o core/cookie.o core/querystring.o core/rb_timers.o core/transformations.o core/uwsgi.o proto/base.o proto/uwsgi.o proto/http.o proto/fastcgi.o proto/scgi.o proto/puwsgi.o lib/linux_ns.o core/zlib.o core/regexp.o core/routing.o core/yaml.o core/ssl.o core/legion.o core/xmlconf.o core/dot_h.o core/config_py.o plugins/python/python_plugin.o plugins/python/pyutils.o plugins/python/pyloader.o plugins/python/wsgi_handlers.o plugins/python/wsgi_headers.o plugins/python/wsgi_subhandler.o plugins/python/web3_subhandler.o plugins/python/pump_subhandler.o plugins/python/gil.o plugins/python/uwsgi_pymodule.o plugins/python/profiler.o plugins/python/symimporter.o plugins/python/tracebacker.o plugins/python/raw.o plugins/gevent/gevent.o plugins/gevent/hooks.o plugins/ping/ping_plugin.o plugins/cache/cache.o plugins/nagios/nagios.o plugins/rrdtool/rrdtool.o plugins/carbon/carbon.o plugins/rpc/rpc_plugin.o plugins/corerouter/cr_common.o plugins/corerouter/cr_map.o plugins/corerouter/corerouter.o plugins/fastrouter/fastrouter.o plugins/http/http.o plugins/http/keepalive.o plugins/http/https.o plugins/http/spdy3.o plugins/ugreen/ugreen.o plugins/signal/signal_plugin.o plugins/syslog/syslog_plugin.o plugins/rsyslog/rsyslog_plugin.o plugins/logsocket/logsocket_plugin.o plugins/router_uwsgi/router_uwsgi.o plugins/router_redirect/router_redirect.o plugins/router_basicauth/router_basicauth.o plugins/zergpool/zergpool.o plugins/redislog/redislog_plugin.o plugins/mongodblog/mongodblog_plugin.o plugins/router_rewrite/router_rewrite.o plugins/router_http/router_http.o plugins/logfile/logfile.o plugins/router_cache/router_cache.o plugins/rawrouter/rawrouter.o plugins/router_static/router_static.o plugins/sslrouter/sslrouter.o plugins/spooler/spooler_plugin.o plugins/cheaper_busyness/cheaper_busyness.o plugins/symcall/symcall_plugin.o plugins/transformation_tofile/tofile.o plugins/transformation_gzip/gzip.o plugins/transformation_chunked/chunked.o plugins/transformation_offload/offload.o plugins/router_memcached/router_memcached.o plugins/router_redis/router_redis.o plugins/router_hash/router_hash.o plugins/router_expires/expires.o plugins/router_metrics/plugin.o plugins/transformation_template/tt.o plugins/stats_pusher_socket/plugin.o -lpthread -lm -rdynamic -ldl -lz -L/home/met2017/anaconda3/lib -lpcre -lssl -lcrypto -L/home/met2017/anaconda3/lib -lxml2 -L/home/met2017/anaconda3/lib -lz -L/home/met2017/anaconda3/lib -llzma -L/home/met2017/anaconda3/lib -L/home/met2017/anaconda3/lib -licui18n -licuuc -licudata -lm -ldl -lpthread -ldl -lutil -lm -lpython3.4m -lcrypt
    /home/met2017/anaconda3/lib/libicui18n.so: undefined reference to `__cxa_throw_bad_array_new_length@CXXABI_1.3.8'
    /home/met2017/anaconda3/lib/libicui18n.so: undefined reference to `operator delete(void*, unsigned long)@CXXABI_1.3.9'
    collect2: error: ld returned 1 exit status
    *** error linking uWSGI ***

[OnlyBelter]

I almost want to give up, then I find this page: https://github.com/conda-forge/uwsgi-feedstock

Now you can install uwsgi though conda:

conda config --add channels conda-forge

conda install uwsgi

[lambdaq]

looks like an anaconda3 issue.

Same problem with miniconda3

[TheSalarKhan]

It seems like we have a solution to this. Thanks to @OnlyBelter :+1: Closing this issue therefore! :tada:

[marcstreeter]

conda-forge doesn't seem to have a windows build though, so what is the solution for conda + uwsgi + windows?

[damoyelang1992]

yum install libiconv fixed my problem!

[iamlxb3]

I almost want to give up, then I find this page: https://github.com/conda-forge/uwsgi-feedstock

Now you can install uwsgi though conda:

conda config --add channels conda-forge

conda install uwsgi

You saved my life...

[MarvinKweyu]

If anyone uses Ark Linux and is unable to find the solution, try this:

Install uwsgi-plugin-python using yaourt or its equivalent,

after this, pip install uwsgi using in your virtual environment

[lambdaq]

Hey guys, I found out that using pip install pyuwsgi is equivalent of uWSGI and has binary builds. The only difference is pyuwsgi can be imported as a python module. Which is a plus.

[dogg3]

I solved this by changing the python version from 3.7 to 3.6.8. Also, I deactivated conda.

[Paul-sunnan]

’install python3-devel‘ or 'install python-devel'

[jmathes]

It seems like we have a solution to this. Thanks to @OnlyBelter 👍 Closing this issue therefore! 🎉

The "solutions" I see involve installing uwsgi via conga or changing python versions. Those seem to me more like workarounds. To me, a solution would be a way of getting "pip install" to work, by removing some piece of incompatible environment or by fixing the installer.

I'm trying to install uwsgi indirectly, through a --requirement file. It's part of a standardized development environment, and any application of the workarounds above would mean breaking my environment, or at least making it nonstandard enough to be untrustworthy.