$ lsb_release -a; uname -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 16.04.5 LTS
Release:        16.04
Codename:       xenial
Linux omega 4.15.0-34-generic #37~16.04.1-Ubuntu SMP Tue Aug 28 10:44:06 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux

$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/5/lto-wrapper
Target: x86_64-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Ubuntu 5.4.0-6ubuntu1~16.04.10' --with-bugurl=file:///usr/share/doc/gcc-5/README.Bugs --enable-languages=c,ada,c++,java,go,d,fortran,objc,obj-c++ --prefix=/usr --program-suffix=-5 --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --with-system-zlib --disable-browser-plugin --enable-java-awt=gtk --enable-gtk-cairo --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-5-amd64/jre --enable-java-home --with-jvm-root-dir=/usr/lib/jvm/java-1.5.0-gcj-5-amd64 --with-jvm-jar-dir=/usr/lib/jvm-exports/java-1.5.0-gcj-5-amd64 --with-arch-directory=amd64 --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu
Thread model: posix
gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.10)

$ nginx -V            
nginx version: nginx/1.15.3 (Ubuntu)
built with OpenSSL 1.1.1  11 Sep 2018
TLS SNI support enabled
configure arguments: --prefix=/usr/share/nginx --sbin-path=/usr/sbin/nginx --pid-path=/run/nginx.pid --conf-path=/etc/nginx/nginx.conf --lock-path=/var/lock/nginx.lock --modules-path=/usr/lib/nginx/modules --http-log-path=/var/log/nginx/access.log --error-log-path=/var/log/nginx/error.log --build=Ubuntu --http-client-body-temp-path=/var/lib/nginx/body --http-fastcgi-temp-path=/var/lib/nginx/fastcgi --http-proxy-temp-path=/var/lib/nginx/proxy --http-scgi-temp-path=/var/lib/nginx/scgi --http-uwsgi-temp-path=/var/lib/nginx/uwsgi --group=www-data --user=www-data --add-module=/home/ia/src/nginx-1.15.3/ngx_brotli --add-module=/home/ia/src/nginx-1.15.3/ngx_echo --add-module=/home/ia/src/nginx-1.15.3/ngx_cache_purge --add-module=/home/ia/src/nginx-1.15.3/ngx_headers_more --with-compat --with-file-aio --with-threads --with-stream --with-openssl=/home/ia/src/nginx-1.15.3/openssl-1.1.1 --with-openssl-opt=enable-tls1_3 --with-http_auth_request_module --with-http_degradation_module --with-http_gunzip_module --with-http_gzip_static_module --with-http_realip_module --with-http_secure_link_module --with-http_slice_module --with-http_ssl_module --with-http_stub_status_module --with-http_sub_module --with-http_v2_module --with-mail_ssl_module --with-stream --with-stream_realip_module --with-stream_ssl_module --with-stream_ssl_preread_module --without-http_auth_basic_module --without-http_autoindex_module --without-http_browser_module --without-http_empty_gif_module --without-http_geo_module --without-http_memcached_module --without-http_scgi_module --without-http_split_clients_module --without-http_ssi_module --without-http_userid_module --without-http_uwsgi_module --with-cc-opt='-O2 -march=native -fomit-frame-pointer -fPIE -pie -fstack-protector-strong -D_FORTIFY_SOURCE=2' --with-ld-opt='-fPIE -pie -Wl,-flto -Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now'

$ ld -v
GNU ld (GNU Binutils) 2.31.1

$ gcc-ar --version
GNU ar (GNU Binutils) 2.31.1

$ gcc-ranlib --version
GNU ranlib (GNU Binutils) 2.31.1

$ gcc-nm --version
GNU nm (GNU Binutils) 2.31.1