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85 lines
2.7 KiB
XML
85 lines
2.7 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../general.ent">
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%general-entities;
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]>
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<sect1 id="needml" xreflabel="Do I Need Multilib?">
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<?dbhtml filename="needml.html"?>
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<title>Do I Need Multilib?</title>
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<para>
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If you have a CPU that is capable of multilib, it is time
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to decide whether to go for it or not. Depending on the
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circumstance, it may be necessary to go for it.
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</para>
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<sect2>
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<title>Steam</title>
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<para>
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Most gamers would not know this unless they push the
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limits of the game they play, but many games on Steam
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are 32-bit. Some games are no longer receiving updates
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while some are still being updated but are still 32-bit
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to this day.
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</para>
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<para>
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Not only are a lot of games 32-bit, but Steam itself
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requires that you have 32-bit libraries. If the 32-bit
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libraries aren't on the system, Steam will quit, saying
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it needs a library, libc.so.6 being the most common
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example. So if you have a 64-bit CPU, you will need the
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ability to execute 32-bit applications as well as all the
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libraries necessary which is laid out in Chapter 3.
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</para>
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<para>
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If you have a 32-bit CPU, you can skip the 32-bit libraries
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and compile everything normally as they will build for your
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architecture.
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</para>
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<important>
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<para>
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Steam will eventually kill off 32-bit CPU support so be wary
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that while you can run Steam with a 32-bit CPU, in the future
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perhaps sometime soon, you will no longer be able to do this.
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</para>
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</important>
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</sect2>
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<sect2>
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<title>Wine</title>
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<para>
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Unlike Steam, Wine does not require that you have 32-bit libraries
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or the i686-w64-mingw32 toolchain. Moreover, to get multilib
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support in Wine, it must be compiled twice: a w64 build and a w32
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w/ w64 build. However, it was discussed eariler in the Steam
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section that many games are 32-bit and are no longer maintained or
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will take a while to switch to 64-bit. This is the case with
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Windows applications as well. This means that if you do a 64-bit
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only build, compatabilty for all those 32-bit applications will
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be lost.
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</para>
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<para>
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A Wine WoW64 (can run 32-bit and 64-bit applications) build is
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recommended. If you do not have a 64-bit CPU, then follow only
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the i686 build instructions. Likewise, if you have a 64-bit
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CPU, then you can follow only the x86_64 build instructions.
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The mingw-w64 toolchain is also really helpful for developers,
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so if you don't want full support with Wine but full support
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for the mingw-w64 toolchain, then by all means: go for it.
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</para>
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</sect2>
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</sect1>
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