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Nginx安装时Warning: File `src/core/nginx.h' has modification time 1.2e+07 s in the future问题的解决方法
问题场景：
解压文件：tar -zxvf nginx-1.7.4.tar.gz
nginx-1.7.4/
nginx-1.7.4/auto/
nginx-1.7.4/conf/
tar: nginx-1.7.4/auto: time stamp 2014-08-05 19:13:10 is 12165186.025866769 s in the future
nginx-1.7.4/contrib/
tar: nginx-1.7.4/conf: time stamp 2014-08-05 19:13:06 is 12165182.024958914 s in the future
nginx-1.7.4/src/
tar: nginx-1.7.4/contrib: time stamp 2014-08-05 19:13:06 is 12165182.020185855 s in the future
nginx-1.7.4/configure
tar: nginx-1.7.4/src: time stamp 2014-08-05 19:13:10 is 12165186.019670919 s in the future
tar: nginx-1.7.4/configure: time stamp 2014-08-05 19:13:05 is 12165181.018314486 s in the future
nginx-1.7.4/LICENSE
tar: nginx-1.7.4/LICENSE: time stamp 2014-08-05 19:13:06 is 12165182.018083727 s in the future
nginx-1.7.4/README
tar: nginx-1.7.4/README: time stamp 2014-08-05 19:13:06 is 12165182.017770715 s in the future
nginx-1.7.4/html/
nginx-1.7.4/man/
tar: nginx-1.7.4/html: time stamp 2014-08-05 19:13:10 is 12165186.017546593 s in the future
nginx-1.7.4/CHANGES.ru
tar: nginx-1.7.4/man: time stamp 2014-08-05 19:13:10 is 12165186.017422397 s in the future
tar: nginx-1.7.4/CHANGES.ru: time stamp 2014-08-05 19:13:14 is 12165190.01206064 s in the future
nginx-1.7.4/CHANGES
tar: nginx-1.7.4/CHANGES: time stamp 2014-08-05 19:13:17 is 12165193.007600125 s in the future
nginx-1.7.4/man/nginx.8
tar: nginx-1.7.4/man/nginx.8: time stamp 2014-08-05 19:13:06 is 12165182.007250707 s in the future
nginx-1.7.4/html/50x.html
tar: nginx-1.7.4/html/50x.html: time stamp 2014-08-05 19:13:06 is 12165182.007094338 s in the future
nginx-1.7.4/html/index.html
tar: nginx-1.7.4/html/index.html: time stamp 2014-08-05 19:13:06 is 12165182.006936145 s in the future这里已经显示问题，但我没有在意。配置：./configure
./configure: error: the HTTP rewrite module requires the PCRE library.
You can either disable the module by using --without-http_rewrite_module
option,or install the PCRE library into the system,or build the PCRE library
statically from the source with nginx by using --with-pcre=<path> option.依赖PCRE（PCRE(Perl Compatible Regular Expressions)是一个Perl库，包括 perl 兼容的正则表达式库。这些在执行正规表达式模式匹配时用与Perl 5同样的语法和语义是很有用的。Boost太庞大了，使用boost regex后，程序的编译速度明显变慢。测试了一下，同样一个程序，使用boost::regex编译时需要3秒，而使用pcre不到1秒。因此改用pcre来解决C语言中使用正则表达式的问题）库，下载地址：www.pcre.org/
指定库的位置：./configure --with-pare=/opt/pcre
Configuration summary
+ using PCRE library: /opt/pcre
+ OpenSSL library is not used
+ md5: using system crypto library
+ sha1: using system crypto library
+ using system zlib library
nginx path prefix: "/usr/local/nginx"
nginx binary file: "/usr/local/nginx/sbin/nginx"
nginx configuration prefix: "/usr/local/nginx/conf"
nginx configuration file: "/usr/local/nginx/conf/nginx.conf"
nginx pid file: "/usr/local/nginx/logs/nginx.pid"
nginx error log file: "/usr/local/nginx/logs/error.log"
nginx http access log file: "/usr/local/nginx/logs/access.log"
nginx http client request body temporary files: "client_body_temp"
nginx http proxy temporary files: "proxy_temp"
nginx http fastcgi temporary files: "fastcgi_temp"
nginx http uwsgi temporary files: "uwsgi_temp"
nginx http scgi temporary files: "scgi_temp"编译：make
make -f objs/Makefile
make[1]: Entering directory `/opt/nginx-1.7.4'
make[1]: Warning: File `src/core/nginx.h' has modification time 1.2e+07 s in the future
cd /opt/pcre
&& if [ -f Makefile ]; then make distclean; fi
&& CC="cc" CFLAGS="-O2 -fomit-frame-pointer -pipe "
./configure --disable-shared
/bin/sh: line 2: ./configure: No such file or directory
make[1]: *** [/opt/pcre/Makefile] Error 127
make[1]: Leaving directory `/opt/nginx-1.7.4'
make: *** [build] Error 2查看系统时区：date -R中国应该是+0800才对，可是显示的却是-0800
修改时区：
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
时区的信息存在/usr/share/zoneinfo/下面，本机的时区信息存在/etc/localtime
查看系统日期：date
发现日期也不对，
修改日期：date -s 20141118
修改时间：date -s 19:16:55
把之前的文件删除：rm -rf nginx-1.7.4
再次解压：tar -zxvf nginx-1.7.4.tar.gz
nginx-1.7.4/
nginx-1.7.4/auto/
nginx-1.7.4/conf/
nginx-1.7.4/contrib/
nginx-1.7.4/src/
nginx-1.7.4/configure
nginx-1.7.4/LICENSE
nginx-1.7.4/README
nginx-1.7.4/html/
nginx-1.7.4/man/
nginx-1.7.4/CHANGES.ru
nginx-1.7.4/CHANGES
nginx-1.7.4/man/nginx.8
nginx-1.7.4/html/50x.html
nginx-1.7.4/html/index.html
nginx-1.7.4/src/core/
nginx-1.7.4/src/event/
nginx-1.7.4/src/http/
nginx-1.7.4/src/mail/
nginx-1.7.4/src/misc/
nginx-1.7.4/src/os/
nginx-1.7.4/src/os/unix/这时显示结果就没问题了。但这只是解决了警告的问题，但错误并没有解决。
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