entityMap|blocks|key|564bg|text|有人能解释一下这是怎么回事吗?这两个配置版本有什么不同？|type|unstyled|depth|inlineStyleRanges|entityRanges|data|3kv75|c1den|你可以运行|emgq2|要获取参数概要，请执行以下操作：|b6gdd|$+./configure+--help+%7C+egrep+-i+'(ssl%7Cincludes)'
++--with-includes=DIRS++++look+for+additional+header+files+in+DIRS
++--with-openssl++++++++++build+with+OpenSSL+support|code-block|syntax|javascript|5urkf|这只是在Postgres中启用了OpenSSL。它支持在Autoconf中签入，就像探测符号一样|4urmv|和|877qb|..。|dnp95|它看起来也像配置定义|f0f3o|激活OpenSSL代码路径：|mlos|$+grep+-IR+OPENSSL+*+%7C+grep+'.c'
...
src/backend/postmaster/fork_process.c:#ifdef+USE_OPENSSL
src/backend/postmaster/fork_process.c:#ifdef+USE_OPENSSL
src/backend/utils/init/postinit.c:#ifdef+USE_OPENSSL
src/backend/utils/init/postinit.c:#ifdef+USE_OPENSSL
src/include/libpq/libpq-be.h:#ifdef+USE_OPENSSL
src/include/libpq/libpq-be.h:#ifdef+USE_OPENSSL
...|fl8td|很可能就是这样|5u6qn|注释|9cpee|启用OpenSSL。它只是为编译期间不使用的头文件添加了一个路径。使用|9se51|在Linux和|8gmrt|在OS+X上查看是否有任何OpenSSL依赖项。|5cr8u|您可能应该使用|1i8b9|..。您可能应该添加|6efj5|以确保正确的运行时链接。|vvfr|另请参阅|ck5mg|Postgres问题14308:+Postgres+9.5.4不能针对OpenSSL+1.1.0进行配置^0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|1I|9|@]|A|@]|B|$]]|$2|C|4|-4|6|7|8|1J|9|@]|A|@]|B|$]]|$2|D|4|E|6|7|8|1K|9|@]|A|@]|B|$]]|$2|F|4|G|6|7|8|1L|9|@]|A|@]|B|$]]|$2|H|4|I|6|J|8|1M|9|@]|A|@]|B|$K|L]]|$2|M|4|N|6|7|8|1N|9|@]|A|@]|B|$]]|$2|O|4|P|6|7|8|1O|9|@]|A|@]|B|$]]|$2|Q|4|R|6|7|8|1P|9|@]|A|@]|B|$]]|$2|S|4|T|6|7|8|1Q|9|@]|A|@]|B|$]]|$2|U|4|V|6|7|8|1R|9|@]|A|@]|B|$]]|$2|W|4|X|6|J|8|1S|9|@]|A|@]|B|$K|L]]|$2|Y|4|Z|6|7|8|1T|9|@]|A|@]|B|$]]|$2|10|4|11|6|7|8|1U|9|@]|A|@]|B|$]]|$2|12|4|13|6|7|8|1V|9|@]|A|@]|B|$]]|$2|14|4|15|6|7|8|1W|9|@]|A|@]|B|$]]|$2|16|4|17|6|7|8|1X|9|@]|A|@]|B|$]]|$2|18|4|19|6|7|8|1Y|9|@]|A|@]|B|$]]|$2|1A|4|1B|6|7|8|1Z|9|@]|A|@]|B|$]]|$2|1C|4|1D|6|7|8|20|9|@]|A|@]|B|$]]|$2|1E|4|1F|6|7|8|21|9|@]|A|@]|B|$]]|$2|1G|4|1H|6|7|8|22|9|@]|A|@]|B|$]]]]

<blockquote>
 Can someone explain whats going on and the difference between the two configure versions. 
</blockquote>

You can run <code>./configure --help</code> to get a synopsis of arguments:

<pre><code>$ ./configure --help | egrep -i '(ssl|includes)'
 --with-includes=DIRS look for additional header files in DIRS
 --with-openssl build with OpenSSL support
</code></pre>

<hr>

<blockquote>
 <code>./configure --with-openssl</code>
</blockquote>

This simply enables OpenSSL in Postgres. It enables checking in Autoconf, like probing for symbols <code>CRYPTO_new_ex_data</code> and <code>SSL_Library_init</code>.

It also looks like configure defines <code>#define USE_OPENSSL 1</code> which activates OpenSSL code paths:

<pre><code>$ grep -IR OPENSSL * | grep '.c'
...
src/backend/postmaster/fork_process.c:#ifdef USE_OPENSSL
src/backend/postmaster/fork_process.c:#ifdef USE_OPENSSL
src/backend/utils/init/postinit.c:#ifdef USE_OPENSSL
src/backend/utils/init/postinit.c:#ifdef USE_OPENSSL
src/include/libpq/libpq-be.h:#ifdef USE_OPENSSL
src/include/libpq/libpq-be.h:#ifdef USE_OPENSSL
...
</code></pre>

<hr>

<blockquote>
 <code>./configure --with-includes=/usr/local/ssl/include</code>
</blockquote>

This probably did not enable OpenSSL. It simply added a path for headers that were not used during compilation. Use <code>ldd</code>on Linux and <code>otool -L</code> on OS X to see if there are any OpenSSL dependencies.

<hr>

You should probably use <code>./configure --with-openssl --with-includes=/usr/local/ssl/include --with-libraries=/usr/local/ssl/lib</code>. You should probably add <code>CFLAGS="-Wl,-rpath=/usr/local/ssl/lib</code> to ensure proper runtime linking.

Also see <a href="https://www.postgresql.org/message-id/20160902061034.15676.31081@wrigleys.postgresql.org" rel="noreferrer">Postgres Issue 14308: Postgres 9.5.4 does not configure against OpenSSL 1.1.0</a>

entityMap|blocks|key|8umu6|text|安装OpenSSL-devel它会给你所有的依赖。这对我很有帮助。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|9mc04|在CenotOS/Redhat中|f7pol|sudo+yum+install+openssl-devel|code-block|syntax|javascript^0|0|0^^$0|$]|1|@$2|3|4|5|6|7|8|J|9|@]|A|@]|B|$]]|$2|C|4|D|6|7|8|K|9|@]|A|@]|B|$]]|$2|E|4|F|6|G|8|L|9|@]|A|@]|B|$H|I]]]]

Install OpenSSL-devel it will give you all dependencies. It's helped me.
In CenotOS/Redhat
<pre><code>sudo yum install openssl-devel
</code></pre>

I tried installing Postgres with OpenSSL by doing 

<code>./configure --with-openssl</code>

but I got an error saying 

<blockquote>
 configure: error: header file openssl/ssl.h is required for OpenSSL
</blockquote>

However, I do have OpenSSL installed. If I run <code>openssl version</code> I get this output

<blockquote>
 OpenSSL 0.9.8zh 14 Jan 2016
</blockquote>

I came across <a href="https://www.postgresql.org/message-id/5627D2A2.1020904@joeconway.com" rel="nofollow">this solution</a> and tried doing 

<code>./configure --with-includes=/usr/local/ssl/include</code> and it installed without any problems. 

Can someone explain whats going on and the difference between the two configure versions?

Configuring Postgres with OpenSSL and '--with-openssl' option

Linux

 我试着用OpenSSL安装Postgres，方法是 但我收到一个错误，说 配置:错误: OpenSSL需要头文件openssl/ssl.h  但是，我确实安装了OpenSSL。如果我运行 我得到这个输出 OpenSSL 0.9.8zh 2016年1月14日  我偶然遇到了 此解决方案 并尝试着去做 它的安装没有任何问...

问使用OpenSSL和'-- with -openssl‘选项配置Postgres
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