在編譯nginx時，預設會以debug模式來執行，取消debug的好處是編譯後的nginx更加小巧，編譯更快。

1、下載nginx原始碼包

wget http://nginx.org/download/nginx-1.14.0.tar.gz

1	wget http://nginx.org/download/nginx-1.14.0.tar.gz

2、解壓縮後編輯auto/cc/gcc檔案

vi nginx-1.14.0/auto/cc/gcc

1	vi nginx-1.14.0/auto/cc/gcc

刪除其中兩行

# debug CFLAGS="$CFLAGS -g"

12	# debugCFLAGS="$CFLAGS -g"

3、安裝依賴並建立nginx啟動使用者

yum install wget gcc gcc-c++ pcre pcre-devel openssl openssl-devel zlib zlib-devel useradd -s /bin/false -M www

12	yum install wget gcc gcc-c++pcre pcre-devel openssl openssl-devel zlib zlib-develuseradd-s/bin/false-Mwww

4、正式開始編譯nginx

./configure --user=www --group=www --prefix=/usr/local/nginx --with-http_stub_status_module --with-http_ssl_module --with-http_v2_module --with-http_gzip_static_module --with-http_sub_module make make install

123	./configure--user=www--group=www--prefix=/usr/local/nginx--with-http_stub_status_module--with-http_ssl_module--with-http_v2_module--with-http_gzip_static_module--with-http_sub_modulemakemake install

5、設定軟連結

ln -sv /usr/local/nginx/sbin/nginx /usr/local/sbin/

1	ln-sv/usr/local/nginx/sbin/nginx/usr/local/sbin/

6、設定systemctl

vi /usr/lib/systemd/system/nginx.service

1	vi/usr/lib/systemd/system/nginx.service

[Unit] Description=nginx After=network.target [Service] Type=forking PIDFile=/usr/local/nginx/logs/nginx.pid ExecStart=/usr/local/nginx/sbin/nginx ExecReload=/usr/local/nginx/sbin/nginx -s reload ExecStop=/usr/local/nginx/sbin/nginx -s stop PrivateTmp=true [Install] WantedBy=multi-user.target

123456789101112

[Unit]Description=nginxAfter=network.target[Service]Type=forkingPIDFile=/usr/local/nginx/logs/nginx.pidExecStart=/usr/local/nginx/sbin/nginxExecReload=/usr/local/nginx/sbin/nginx-sreloadExecStop=/usr/local/nginx/sbin/nginx-sstopPrivateTmp=true[Install]WantedBy=multi-user.target

7、啟動nginx並設定開機自啟

systemctl start nginx systemctl enable nginx

12	systemctl start nginxsystemctl enable nginx

8、結語

同樣的編譯引數，在沒有取消debug模式前，編譯後的nginx大小12M，取消後nginx的大小為1000K。

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