Linux中openssl/opensslv.h找不到问题的解决方法

吾爱主题阅读：185 2024-04-05 13:51:24 评论：0

前言

众所周知scrapy是Python中鼎鼎大名的爬虫框架，在安装scrapy过程中碰到了openssl某个文件找不到的问题，并进行了分析，记录之。

一、 scrapy以及安装过程

Scrapy是python中鼎鼎大名的爬虫框架，笔者在Centos 7系统之上进行安装，发现了如下问题：

>> pip install scrapy

由于安装过程中的过程信息比较多，这里只列出了其中的关键片段信息：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 running egg_info writing requirements to src /cryptography .egg-info /requires .txt writing src /cryptography .egg-info /PKG-INFO writing top -level names to src /cryptography .egg-info /top_level .txt writing dependency_links to src /cryptography .egg-info /dependency_links .txt writing entry points to src /cryptography .egg-info /entry_points .txt reading manifest file 'src/cryptography.egg-info/SOURCES.txt' reading manifest template 'MANIFEST.in' no previously-included directories found matching 'docs/_build' warning: no previously-included files matching '*' found under directory 'vectors' writing manifest file 'src/cryptography.egg-info/SOURCES.txt' running build_ext generating cffi module 'build/temp.linux-x86_64-2.7/_padding.c' creating build /temp .linux-x86_64-2.7 generating cffi module 'build/temp.linux-x86_64-2.7/_constant_time.c' generating cffi module 'build/temp.linux-x86_64-2.7/_openssl.c' building '_openssl' extension creating build /temp .linux-x86_64-2.7 /build creating build /temp .linux-x86_64-2.7 /build/temp .linux-x86_64-2.7 gcc -pthread -fno-strict-aliasing -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector-strong --param=ssp-buffer-size=4 -grecord-gcc-switches -m64 -mtune=generic -D_GNU_SOURCE -fPIC -fwrapv -fPIC -I /usr/include/python2 .7 -c build /temp .linux-x86_64-2.7 /_openssl .c -o build /temp .linux-x86_64-2.7 /build/temp .linux-x86_64-2.7 /_openssl .o build /temp .linux-x86_64-2.7 /_openssl .c:434:30: fatal error: openssl /opensslv .h: No such file or directory #include <openssl/opensslv.h> ^ compilation terminated. error: command 'gcc' failed with exit status 1 ---------------------------------------- Command "/usr/bin/python2 -u -c " import setuptools, tokenize;__file__= '/tmp/pip-build-hRMlG0/cryptography/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-ReCoWo-record/install-record.txt --single-version-externally-managed --compile" failed with error code 1 in /tmp/pip-build-hRMlG0/cryptography/ [root@AY131203102210033c39Z ~] # yum install openssl build/temp.linux-x86_64-2.7/_openssl.c:434:30: fatal error: openssl/opensslv.h: No such file or directory ^C Exiting on user cancel.

由于确实openssl.c文件而安装失败了，貌似没有找到对应的文件

二、问题分析

首先怀疑openssl没有安装，故先进行openssl的检查：

>> yum info openssl

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: mirrors.aliyun.com * epel: mirrors.aliyun.com * extras: mirrors.aliyun.com * updates: mirrors.aliyun.com Installed Packages Name : openssl Arch : x86_64 Epoch : 1 Version : 1.0.1e Release : 60.el7_3.1 Size : 1.5 M Repo : installed Summary : Utilities from the general purpose cryptography library with TLS implementation URL : http: //www .openssl.org/ License : OpenSSL Description : The OpenSSL toolkit provides support for secure communications between : machines. OpenSSL includes a certificate management tool and shared : libraries which provide various cryptographic algorithms and : protocols.