[bf8c11f] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?> |
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" |
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [ |
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent"> |
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| 5 | %general-entities; |
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| 6 | ]> |
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| 7 | |
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| 8 | <sect1 id="ch-temp-system-gcc" role="wrap"> |
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| 9 | <?dbhtml filename="gcc.html"?> |
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| 10 | |
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| 11 | <title>GCC-&gcc-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-temp-system-gcc"> |
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| 14 | <primary sortas="a-GCC">GCC</primary> |
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| 15 | <secondary>temporary system</secondary> |
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| 16 | </indexterm> |
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| 17 | |
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[98b2c00] | 18 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 19 | href="../../final-system/common/gcc.xml" |
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| 20 | xpointer="xpointer(//*[@role='package'])"/> |
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[bf8c11f] | 21 | |
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| 22 | <sect2 role="installation"> |
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| 23 | <title>Installation of GCC</title> |
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| 24 | |
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[a9fe0ce] | 25 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 26 | href="../../final-system/common/gcc.xml" |
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| 27 | xpointer="xpointer(//*[@os='p1'])"/> |
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| 28 | |
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| 29 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 30 | href="../../final-system/common/gcc.xml" |
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| 31 | xpointer="xpointer(//*[@os='p2'])"/> |
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| 32 | |
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[bf8c11f] | 33 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 34 | href="../../cross-tools/x86/gcc-static.xml" |
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| 35 | xpointer="xpointer(//*[@os='aa'])"/> |
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| 36 | |
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| 37 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 38 | href="../../cross-tools/x86/gcc-static.xml" |
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| 39 | xpointer="xpointer(//*[@os='ab'])"/> |
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| 40 | |
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| 41 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 42 | href="../../cross-tools/x86/gcc-static.xml" |
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| 43 | xpointer="xpointer(//*[@os='ac'])"/> |
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| 44 | |
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| 45 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 46 | href="../../cross-tools/x86/gcc-static.xml" |
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| 47 | xpointer="xpointer(//*[@os='ad'])"/> |
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| 48 | |
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| 49 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 50 | href="../../cross-tools/x86/gcc-static.xml" |
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| 51 | xpointer="xpointer(//*[@os='ae'])"/> |
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| 52 | |
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| 53 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 54 | href="../../cross-tools/x86/gcc-static.xml" |
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| 55 | xpointer="xpointer(//*[@os='af'])"/> |
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| 56 | |
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| 57 | <para os="cd">Now we will change <command>cpp</command>'s search path not to look in |
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| 58 | <filename class="directory">/usr/include</filename>:</para> |
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| 59 | |
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[61f8f69] | 60 | <screen os="ce"><userinput>cp -v gcc/cppdefault.c{,.orig} |
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[bf8c11f] | 61 | sed -e '/#define STANDARD_INCLUDE_DIR/s@"/usr/include"@0@g' \ |
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[a717694] | 62 | gcc/cppdefault.c.orig > gcc/cppdefault.c</userinput></screen> |
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[bf8c11f] | 63 | |
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| 64 | <para os="cf">Also, we need to set the directory searched by the fixincludes |
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| 65 | process for system headers, so it won't look at the host's headers:</para> |
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| 66 | |
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[61f8f69] | 67 | <screen os="cg"><userinput>cp -v gcc/Makefile.in{,.orig} |
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[bf8c11f] | 68 | sed -e 's@\(^NATIVE_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g' \ |
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[a717694] | 69 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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[bf8c11f] | 70 | |
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| 71 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 72 | href="../../cross-tools/x86/gcc-static.xml" |
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| 73 | xpointer="xpointer(//*[@os='ak'])"/> |
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| 74 | |
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| 75 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 76 | href="../../final-system/common/gcc.xml" |
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| 77 | xpointer="xpointer(//*[@os='f'])"/> |
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| 78 | |
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| 79 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 80 | href="../../final-system/common/gcc.xml" |
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| 81 | xpointer="xpointer(//*[@os='g'])"/> |
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| 82 | |
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| 83 | <para os="cj">Before starting to build GCC, remember to unset any environment |
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| 84 | variables that override the default optimization flags.</para> |
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| 85 | |
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| 86 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 87 | href="../../final-system/common/gcc.xml" |
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| 88 | xpointer="xpointer(//*[@os='h'])"/> |
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| 89 | |
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[1b823a37] | 90 | <screen os="ck"><userinput>../gcc-&gcc-version;/configure --prefix=/tools \ |
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[bf8c11f] | 91 | --build=${LFS_HOST} --host=${LFS_TARGET} --target=${LFS_TARGET} \ |
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[28a6fd8] | 92 | --with-local-prefix=/tools --enable-long-long --enable-c99 \ |
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| 93 | --enable-shared --enable-threads=posix --enable-__cxa_atexit \ |
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[bf8c11f] | 94 | --disable-nls --enable-languages=c,c++ --disable-libstdcxx-pch</userinput></screen> |
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| 95 | |
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[1b823a37] | 96 | <variablelist os="cl"> |
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[bf8c11f] | 97 | <title>The meaning of the new configure options:</title> |
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| 98 | |
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[1b823a37] | 99 | <varlistentry os="cl1"> |
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[bf8c11f] | 100 | <term><parameter>--disable-libstdcxx-pch</parameter></term> |
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| 101 | <listitem> |
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| 102 | <para>Do not build the pre-compiled header (PCH) for |
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| 103 | <filename class="libraryfile">libstdc++</filename>. It takes |
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| 104 | up a lot of space, and we have no use for it.</para> |
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| 105 | </listitem> |
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| 106 | </varlistentry> |
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| 107 | |
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| 108 | </variablelist> |
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| 109 | |
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[1b823a37] | 110 | <para os="cm">Compile the package:</para> |
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[bf8c11f] | 111 | |
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[370a93da] | 112 | <screen os="cn"><userinput>make AS_FOR_TARGET="${AS}" \ |
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[a717694] | 113 | LD_FOR_TARGET="${LD}"</userinput></screen> |
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[bf8c11f] | 114 | |
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[1b823a37] | 115 | <para os="co">Install the package:</para> |
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[bf8c11f] | 116 | |
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[1b823a37] | 117 | <screen os="cp"><userinput>make install</userinput></screen> |
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[bf8c11f] | 118 | |
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| 119 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 120 | href="../../final-system/common/gcc.xml" |
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| 121 | xpointer="xpointer(//*[@os='w'])"/> |
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| 122 | |
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[61f8f69] | 123 | <screen os="cq"><userinput>ln -sv gcc /tools/bin/cc</userinput></screen> |
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[bf8c11f] | 124 | |
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| 125 | </sect2> |
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| 126 | |
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| 127 | <sect2 role="content"> |
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| 128 | <title/> |
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| 129 | |
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| 130 | <para>Details on this package are located in <xref |
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| 131 | linkend="contents-gcc" role="."/></para> |
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| 132 | |
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| 133 | </sect2> |
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| 134 | |
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| 135 | </sect1> |
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