msgid "" msgstr "" "Project-Id-Version: PACKAGE VERSION\n" "POT-Creation-Date: 2020-08-08 19:28+0800\n" "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n" "Last-Translator: FULL NAME \n" "Language-Team: LANGUAGE \n" "Language: zh_CN\n" "MIME-Version: 1.0\n" "Content-Type: text/plain; charset=UTF-8\n" "Content-Transfer-Encoding: 8bit\n" "X-Generator: Translate Toolkit 2.2.5\n" #. type: Content of: msgid "LFS Target Architectures" msgstr "LFS 的目标架构" #. type: Content of: <sect1><para> msgid "" "The primary target architectures of LFS are the AMD/Intel x86 (32-bit) and " "x86_64 (64-bit) CPUs. On the other hand, the instructions in this book are " "also known to work, with some modifications, with the Power PC and ARM CPUs. " "To build a system that utilizes one of these CPUs, the main prerequisite, in " "addition to those on the next page, is an existing Linux system such as an " "earlier LFS installation, Ubuntu, Red Hat/Fedora, SuSE, or other " "distribution that targets the architecture that you have. Also note that a " "32-bit distribution can be installed and used as a host system on a 64-bit " "AMD/Intel computer." msgstr "" "LFS 的主要目标架构是 AMD/Intel 的 x86 (32 位) 和 x86_64 (64 位) CPU。此外，如" "果对本书中的一些指令作适当的修改，它们也应该适用于 Power PC 和 ARM 架构的 " "CPU。无论在其中哪种 CPU 上，构建 LFS 都至少需要一个现有的 Linux 系统，例如已" "经构建好的 LFS 系统，Ubuntu，Rad Hat/Fedora，SuSE，或者其他支持您的硬件架构的" "发行版，后文中还会介绍其他前提条件。另外，32 位发行版也能在 64 位的 AMD/" "Intel 计算机上正常运行，并作为 LFS 的构建环境。" #. type: Content of: <sect1><para> msgid "" "For building LFS, the gain of building on a 64-bit system compared to a 32-" "bit system is minimal. For example, in a test build of LFS-9.1 on a Core " "i7-4790 CPU based system, using 4 cores, the following statistics were " "measured:" msgstr "" "对于构建 LFS 来说，构建 64 位系统相较于 32 位系统而言只会获得很小的收益。例" "如，在使用安装了 Core i7-4790 CPU 的系统测试构建 LFS-9.1 时，我们得到的实验数" "据为：" #. type: Content of: <sect1><screen> #, no-wrap msgid "" "<computeroutput>Architecture Build Time Build Size\n" "32-bit 239.9 minutes 3.6 GB\n" "64-bit 233.2 minutes 4.4 GB</computeroutput>" msgstr "" "<computeroutput>架构 构建时间 系统大小\n" "32 位 239.9 分钟 3.6 GB\n" "64 位 233.2 分钟 4.4 GB</computeroutput>" #. type: Content of: <sect1><para> msgid "" "As you can see, on the same hardware, the 64-bit build is only 3% faster and " "is 22% larger than the 32-bit build. If you plan to use LFS as a LAMP " "server, or a firewall, a 32-bit CPU may be largely sufficient. On the other " "hand, several packages in BLFS now need more than 4GB of RAM to be built and/" "or to run, so that if you plan to use LFS as a desktop, the LFS authors " "recommend building on a 64-bit system." msgstr "" "可以看出，在相同的硬件上，64 位系统的构建仅仅比 32 位快 3%，但占用的磁盘空间" "却比 32 位系统大 22%。如果您准备用 LFS 系统运行 LAMP 服务器，或者防火墙，那" "么 32 位 CPU 足以满足需求。然而，BLFS 中的一些软件包在构建或运行过程中可能需" "要超过 4GB 的内存，因此如果您准备将 LFS 作为桌面系统，LFS 作者推荐构建 64 位" "系统。" #. type: Content of: <sect1><para> msgid "" "The default 64-bit build that results from LFS is considered a <quote>pure</" "quote> 64-bit system. That is, it supports 64-bit executables only. Building " "a <quote>multi-lib</quote> system requires compiling many applications " "twice, once for a 32-bit system and once for a 64-bit system. This is not " "directly supported in LFS because it would interfere with the educational " "objective of providing the instructions needed for a straightforward base " "Linux system. Some LFS/BLFS editors maintain a fork of LFS for multilib, " "which is accessible at <ulink url=\"http://www.linuxfromscratch.org/~thomas/" "multilib/index.html\"/>. But it is an advanced topic." msgstr "" "完全按照本书构建的 LFS 系统是一个<quote>纯粹的</quote> 64 位系统。换句话说，" "它只能运行 64 位可执行程序。构建一个<quote>multi-lib</quote> 系统需要将许多应" "用程序编译两次，一次编译为 32 位，另一次编译为 64 位。本书不提供这方面的内" "容，因为本书的教学目的是提供简洁的基本 Linux 系统的构建方法，讨论 multilib 会" "和这一目标发生冲突。一些 LFS/BLFS 编辑维护了 LFS 的 multilib 版本，可以在 " "<ulink url=\"http://www.linuxfromscratch.org/~thomas/multilib/index.html\"/> " "查阅。但这是一个比较复杂的主题。"