之前安装了QT的4.5.3版本,现需要用到phonon库,因此卸载后想重新安装4.7版本,但当使用./configure编译时出现The specified system/compiler is not supported: xxx/xxx/......的提示,按照字面意思是系统或者编译工具不支持,但这是不可能的,很纠结.经过查阅资料得知看下环境变量,于是乎,终端输入export,终于明白是哪里出错了: QMAKESPEC=/xxx/xxxx/xxx/xxx这个环境变量指定的目录根本就不是我的q…

在编译uchardet时遇到这个错误: cmake_symlink_library: System Error: Operation not supported 创建链接不成功,要确认当前帐户下是否有权限在编译的目录中有创建链接的权限 我使用vmware,在win7机器的共享目录中编译,无法创建链接,就会提示上面的错误. 解决办法是,把源码复制到linux的本地目录中,比如/home等,在本地目录中编译就不会有这个问题. 另外,从linux中拷贝符号链接到windows机器的共享目录时,也会提示…

ASP.Net Core 3.1 With Autofac ConfigureServices returning an System.IServiceProvider isn't supported. 前言 Autofac在ASP.Net Core3.0以后,集成方式有所调整.在ASP.Net Core2中我们一般是把Startup的ConfigureServices方法返回值类型改为IServiceProvider.我们可以先看一下部分代码: public IServiceProvider…

linux内核的linux-3.6.5\Documentation\kbuild\makefiles.txt Linux Kernel Makefiles This document describes the Linux kernel Makefiles. === Table of Contents === Overview === Who does what === The kbuild files --- 3.1 Goal definitions --- 3.2 Built-in obje…

About Information Property List Files UILaunchImageFile UILaunchImageFile (String - iOS) specifies the name of the launch image file for the app on older versions of iOS. If this key and the UILaunchImages key are both present, the app uses the UILau…

VC2010 编译 Media Player Classic - Home Cinema (mpc-hc) Media Player Classic - Home Cinema (mpc-hc)播放器一个经典的影音播放器,免费软件,可播放CD.VCD.DVD.及MP3.MP4.AVI.AAC等多种影音格式.与此同时,它还是开源的.今天尝试着编译了一下它的源代码(还是第一次接触这么大的MFC工程) 第一步::准备   1. 安装 Visual C++ 2010(不能是Express版本)   2.…

--译自Linux3.9.5 Kernel Makefiles(内核目录documention/kbuild/makefiles.txt) kbuild(kernel build) 内核编译器 This document describes the Linux kernel Makefiles 本文档介绍了Linux内核的Makefile === Table of Contents === 目录 === 1 Overview === 1 概述 === 2 Who does what === 2…

发行注记:http://www.freebsd.org/releases/10.0R/relnotes.html 下文翻译中... 主要有安全问题修复.新的驱动与硬件支持.新的命名/选项.主要bug修复.软件升级. 2.1. 安全通报 2.2. 内核变化 The use of unmapped VMIO buffers eliminates the need to perform TLB shootdown for mapping on buffer creation and reuse, gr…

ref:http://www.ibm.com/developerworks/linux/library/l-linux-kernel/?S_TACT=105AGX52&S_CMP=cn-a-l Given that the goal of this article is to introduce you to the Linux kernel and explore its architecture and major components, let's start with a short t…

https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt Introduction ------------ The configuration database is a collection of configuration options organized in a tree structure: +- Code maturity level options | +- Prompt for developme…