lfs-book-i18n/zh_CN/chapter08/introduction.po

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#. type: Content of: <sect1><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:11
msgid "Introduction"
msgstr "概述"

#. type: Content of: <sect1><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:13
msgid "In this chapter, we start constructing the LFS system in earnest."
msgstr ""

#. type: Content of: <sect1><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:16
msgid ""
"The installation of this software is straightforward. Although in many cases "
"the installation instructions could be made shorter and more generic, we "
"have opted to provide the full instructions for every package to minimize "
"the possibilities for mistakes.  The key to learning what makes a Linux "
"system work is to know what each package is used for and why you (or the "
"system)  may need it."
msgstr ""
"软件的安装过程是简单直接的。尽管很多时候可以把安装说明写得更短、更通用，我们"
"还是选择为每个包提供完整的安装流程，以尽量减小出错的可能。学习 Linux 系统工"
"作原理的关键就是要知道每个包的作用，以及您 (或者系统)  为什么需要它。"

#. type: Content of: <sect1><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:23
msgid ""
"We do not recommend using optimizations.  They can make a program run "
"slightly faster, but they may also cause compilation difficulties and "
"problems when running the program.  If a package refuses to compile when "
"using optimization, try to compile it without optimization and see if that "
"fixes the problem. Even if the package does compile when using optimization, "
"there is the risk it may have been compiled incorrectly because of the "
"complex interactions between the code and build tools.  Also note that the "
"<option>-march</option> and <option>-mtune</option> options using values not "
"specified in the book have not been tested. This may cause problems with the "
"toolchain packages (Binutils, GCC and Glibc).  The small potential gains "
"achieved in using compiler optimizations are often outweighed by the risks.  "
"First-time builders of LFS are encouraged to build without custom "
"optimizations. The subsequent system will still run very fast and be stable "
"at the same time."
msgstr ""
"我们不推荐在编译中使用优化。编译优化可以使程序跑得稍微快一点，但也可能在编"
"译或运行的过程中带来问题。如果一个软件包在打开优化时无法编译，试着关闭优化"
"再编译它。即使一个软件包在打开优化时可以编译，由于源代码和编译工具的复杂相互"
"作用，仍然存在编译不正确的风险。另外请注意，除本书明确说明外，设定 "
"<option>-march</option> 和 <option>-mtune</option> 是未经验证的。它们可能在工"
"具链软件包 (Binutils、GCC 和 Glibc) 中引发问题。使用编译优化带来的微小性能"
"增益往往不值得冒编译错误的风险。我们建议第一次构建 LFS 的读者不要使用自定义"
"的优化选项。这样，得到的系统仍然会运行得很快，而且会很稳定。"

#. type: Content of: <sect1><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:38
#, fuzzy
msgid ""
"Before the installation instructions, each installation page provides "
"information about the package, including a concise description of what it "
"contains, approximately how long it will take to build, and how much disk "
"space is required during this building process. Following the installation "
"instructions, there is a list of programs and libraries (along with brief "
"descriptions) that the package installs."
msgstr ""
"在安装指令之前，每个页面都提供了软件包的基本信息，包括其内容的简要描述，以及"
"构建过程大概需要的时间和磁盘空间。在安装指令之后，有一个包含该软件包提供的所"
"有程序和库的清单 (以及对它们的简要描述)。"

#. type: Content of: <sect1><note><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:45
#, fuzzy
msgid ""
"The SBU values and required disk space includes test suite data for all "
"applicable packages in <xref linkend=\"chapter-building-system\"/>. SBU "
"values have been calculated using a single CPU core (-j1) for all operations."
msgstr ""
"对于拥有可用的测试套件的软件包，第 6 章中给出的 SBU 值和需要的磁盘空间包含了"
"运行测试套件需要的时间和磁盘空间。"

#. type: Content of: <sect1><sect2><title>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:51
msgid "About libraries"
msgstr "关于库"

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:53
#, fuzzy
msgid ""
"In general, the LFS editors discourage building and installing static "
"libraries.  The original purpose for most static libraries has been made "
"obsolete in a modern Linux system.  In addition, linking a static library "
"into a program can be detrimental.  If an update to the library is needed to "
"remove a security problem, all programs that use the static library will "
"need to be relinked to the new library.  Since the use of static libraries "
"is not always obvious, the relevant programs (and the procedures needed to "
"do the linking) may not even be known."
msgstr ""
"一般来说，LFS 作者不推荐构建和安装静态库。它们是为了某些在现代 Linux 系统中"
"早已过时的原因而存在的。另外，将静态库链接到程序中可能是有害的。如果需要"
"更新这个库以解决安全问题，所有使用该静态库的程序都要重新链接。程序对静态库"
"的使用并不是显然的，甚至可能搞不清有哪些相关程序需要链接 (或不知道如何重新链"
"接)。"

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:62
#, fuzzy
msgid ""
"In the procedures in this chapter, we remove or disable installation of most "
"static libraries. Usually this is done by passing a <option>--disable-"
"static</option> option to <command>configure</command>.  In other cases, "
"alternate means are needed. In a few cases, especially glibc and gcc, the "
"use of static libraries remains essential to the general package building "
"process."
msgstr ""
"在第 6 章的安装过程中，我们删除或者禁止安装多数静态库。一般来说，传递 "
"<option>--disable-static</option> 选项给 <command>configure</command> 就可以"
"禁用静态库。然而，某些情况下需要其他手段。在极个别情况下，特别是对于 Glibc "
"和 GCC，静态库对于一般的软件包构建过程仍然很关键，就不能禁用静态库。"

#. type: Content of: <sect1><sect2><para>
#: /home/xry111/svn-repos/LFS-BOOK/chapter08/introduction.xml:69
msgid ""
"For a more complete discussion of libraries, see the discussion <ulink url="
"\"&blfs-root;/view/&short-version;/introduction/libraries.html\"> Libraries: "
"Static or shared?</ulink> in the BLFS book."
msgstr ""
"关于库的更详细讨论，可以参阅 BLFS 手册中的 <ulink url=\"&blfs-root;/view/"
"&short-version;/introduction/libraries.html\">Libraries: Static or shared?</"
"ulink> 一节。"

#~ msgid ""
#~ "In this chapter, we enter the building site and start constructing the "
#~ "LFS system in earnest. That is, we chroot into the temporary mini Linux "
#~ "system, make a few final preparations, and then begin installing the "
#~ "packages."
#~ msgstr ""
#~ "在本章中，我们将进入构建环境，并真正开始构建 LFS 系统。换句话说，我们 "
#~ "chroot 到前一章构建的临时迷你 Linux 系统中，进行一些最后的准备，然后开始"
#~ "安装各软件包。"

#~ msgid ""
#~ "The order that packages are installed in this chapter needs to be "
#~ "strictly followed to ensure that no program accidentally acquires a path "
#~ "referring to <filename class=\"directory\">/tools</filename> hard-wired "
#~ "into it.  For the same reason, do not compile separate packages in "
#~ "parallel.  Compiling in parallel may save time (especially on dual-CPU "
#~ "machines), but it could result in a program containing a hard-wired path "
#~ "to <filename class=\"directory\">/tools</filename>, which will cause the "
#~ "program to stop working when that directory is removed."
#~ msgstr ""
#~ "必须严格按照本章给出的顺序安装软件包，才能保证没有程序意外地获得指向 "
#~ "<filename class=\"directory\">/tools</filename> 的路径，甚至将这样的路径"
#~ "硬编码到程序中。同理，不要同时构建多个软件包。这可能节约时间 (特别是在"
#~ "双 CPU 机器上)，但往往会导致某个程序包含一个硬编码的，指向 <filename "
#~ "class=\"directory\">/tools</filename> 的路径，结果删除该目录后程序不能工"
#~ "作。"