undefined reference to `BIO_f_zlib‘ openssl编译报错

undefined reference to `BIO_f_zlib’

问题描述

openssl升级过程中的编译时报错

enc.c:(.text+0xdec): undefined reference to `BIO_f_zlib'
collect2: error: ld returned 1 exit status
make[1]: *** [apps/openssl] Error 1
make[1]: Leaving directory `/usr/local/src/openssl-1.1.1h'
make: *** [all] Error 2

解决方案

make clean
make //重新编译

openssl 升级至 openssl-1.1.1h 过程

1.下载指定版本的openssl软件
在下面网址：https://www.openssl.org/source/下载 后面的版本号可以换
[[e-mail] ~]# wget hhttps://www.openssl.org/source/openssl-1.1.1h.tar.gz

2.编译安装
tar xfz /tmp/openssl-1.1.1e.tar.gz -C /opt/ && cd /opt/openssl-1.1.1h/
./config shared zlib
make && make install

3.配置
mv /usr/bin/openssl /usr/bin/openssl.bak
mv /usr/include/openssl /usr/include/openssl.bak	# 如报mv: cannot stat ‘/usr/include/openssl’: No such file or directory可忽略此步
find / -name openssl
ln -s /usr/local/bin/openssl /usr/bin/openssl
ln -s /usr/local/include/openssl /usr/include/openssl
echo "/usr/local/lib64/" >> /etc/ld.so.conf
ldconfig 
openssl version -a

4.验证
openssl version 

升级过程中可能会出现缺少zlib.h文件
故附zlib源码安装步骤

1、zlib源码包下载
zlib地址：http://www.zlib.net/

2、zlib标准编译、安装指导：

将包手动上传至/tmp目录下
mv /tmp/zlib-1.2.11.tar.gz /usr/local/src/ && cd /usr/local/src/ && tar zxf zlib-1.2.11.tar.gz && cd zlib-1.2.11
cd /usr/local/src/zlib-1.2.11

构建静态库
.../zlib-1.2.11]# ./configure
.../zlib-1.2.11]# make test
.../zlib-1.2.11]# make install

构建共享库
.../zlib-1.2.11]# make clean
.../zlib-1.2.11]# ./configure --shared
.../zlib-1.2.11]# make test
.../zlib-1.2.11]# make install
.../zlib-1.2.11]# cp zutil.h /usr/local/include
.../zlib-1.2.11]# cp zutil.c /usr/local/include