compile with -fPIC

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在新公司工作第四天,依然要编译FFmpeg,不同的是难度大了,以前遇到什么参数编译不过的,就去掉,因为不是专业做视频的,但是新公司绕不过了. 编译FFmpeg动态库的时候发现链接某些静态库的时候会报错: relocation R_X86_64_32S against `cmnMemAlloc' can not be used when making a shared object; recompile with -fPIC 基础不扎实,不知道make的时候还可以添加参数,查了很多资料,最后从一个…

Linux Overflow Vulnerability General Hardened Defense Technology、Grsecurity/PaX

Catalog . Linux attack vector . Grsecurity/PaX . Hardened toolchain . Default addition of the Stack Smashing Protector (SSP): Compiler Flag: GS . Automatic generation of Position Independent Executables (PIEs): System Characteristic + Compiler Flag:…

How to compile and install Snort from source code on Ubuntu

http://www.tuicool.com/articles/v6j2Ab Snort is by far the most popular open-source network intrusion detection and prevention system (IDS/IPS) for Linux. Snort can conduct detailed traffic analysis, including protocol analysis, packet content search…

crosss compile VLC with OpenMAX on ARM board(RockChip RK3399),in order to use Hard Acceleration when decode video

reference:http://www.x90x90x90.com/en/raspberry-pi-3-howto-compile-vlc-with-hardware-acceleration/ 1.precondition (1)sudo apt-get install autopoint gettext liba52-0.7.4-dev libaa1-dev libasound2-dev libass-dev libavahi-client-dev libavc1394-dev libav…

Windows 10上源码编译glog和gflags 编写glog-config.cmake和gflags-config.cmake | compile glog and glags on windows from source

本文首发于个人博客https://kezunlin.me/post/bb64e398/,欢迎阅读! compile glog v0.3.5 and glags on windows from source. Series compile glog and glags on windows compile glog and glags on ubuntu 16.04 Guide version glog: v0.3.5 https://github.com/google/glog/archive/…

Ubuntu 16.04上源码编译和安装pytorch教程，并编写C++ Demo CMakeLists.txt | tutorial to compile and use pytorch on ubuntu 16.04

本文首发于个人博客https://kezunlin.me/post/54e7a3d8/,欢迎阅读最新内容! tutorial to compile and use pytorch on ubuntu 16.04 PyTorch for Python install pytorch from anaconda conda info --envs conda activate py35 # newest version # 1.1.0 pytorch/0.3.0 torchvision conda…

Angular源码分析之$compile

@(Angular) $compile,在Angular中即"编译"服务,它涉及到Angular应用的"编译"和"链接"两个阶段,根据从DOM树遍历Angular的根节点(ng-app)和已构造完毕的 \$rootScope对象,依次解析根节点后代,根据多种条件查找指令,并完成每个指令相关的操作(如指令的作用域,控制器绑定以及transclude等),最终返回每个指令的链接函数,并将所有指令的链接函数合成为一个处理后的链接函数,返回给Anglua…

Compile FreeCAD on Windows

Compile FreeCAD on Windows eryar@163.com 1.Introduction FreeCAD是一个参数化的三维造型软件,主要用于任意大小的实际模型的设计.参数化的建模方式可以通过修改相关参数从而方便地修改你的设计.FreeCAD是开源软件,并提供了便利地自定义方式,也提供了脚本,从而根据自己的需要去扩展功能.FreeCAD是跨平台(Windows, Mac和Linux),可以读写许多开放的模型文件,如STEP,IGES,STL,SVG,DXF,OBJ,IFC,D…

maven 加入json-lib.jar 报错 Missing artifact net.sf.json-lib:json-lib:jar:2.4:compile

<dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> <version>2.4</version> 报错误:Missing artifact net.sf.json-lib:json-lib:jar:2.4:compile 原因:json-lib是需要区分jdk版本的,pom.xml中的配置应加上标签classif…

$compile

<html ng-app="compile"> <head> <script src="http://apps.bdimg.com/libs/angular.js/1.4.6/angular.min.js"></script> </head> <body> <div ng-controller="compileCtrl"> <ts-s> </ts…