[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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| 25 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 26 | href="../../cross-tools/x86/gcc-static.xml" |
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| 27 | xpointer="xpointer(//*[@os='aa'])"/> |
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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="../../cross-tools/x86/gcc-static.xml" |
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| 31 | xpointer="xpointer(//*[@os='ab'])"/> |
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| 32 | |
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| 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='ac'])"/> |
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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='ad'])"/> |
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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='ae'])"/> |
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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='af'])"/> |
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| 48 | |
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| 49 | <para os="cd">Now we will change <command>cpp</command>'s search path not to look in |
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| 50 | <filename class="directory">/usr/include</filename>:</para> |
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| 51 | |
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| 52 | <screen os="ce"><userinput>cp gcc/cppdefault.c{,.orig} |
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| 53 | sed -e '/#define STANDARD_INCLUDE_DIR/s@"/usr/include"@0@g' \ |
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| 54 | gcc/cppdefault.c.orig > gcc/cppdefault.c</userinput></screen> |
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| 55 | |
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| 56 | <para os="cf">Also, we need to set the directory searched by the fixincludes |
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| 57 | process for system headers, so it won't look at the host's headers:</para> |
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| 58 | |
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| 59 | <screen os="cg"><userinput>cp gcc/Makefile.in{,.orig} |
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| 60 | sed -e 's@\(^NATIVE_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g' \ |
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| 61 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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| 62 | |
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[f32f537] | 63 | <para os="ch">Use our cross-compiler instead of the one GCC builds, named |
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[bf8c11f] | 64 | <command>xgcc</command>:</para> |
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| 65 | |
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| 66 | <screen os="ci"><userinput>cp gcc/mklibgcc.in{,.orig} |
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| 67 | sed -e "s@\./xgcc@/cross-tools/bin/${CC}@g" \ |
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| 68 | gcc/mklibgcc.in.orig > gcc/mklibgcc.in</userinput></screen> |
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| 69 | |
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| 70 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 71 | href="../../cross-tools/x86/gcc-static.xml" |
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| 72 | xpointer="xpointer(//*[@os='ak'])"/> |
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| 73 | |
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| 74 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 75 | href="../../final-system/common/gcc.xml" |
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| 76 | xpointer="xpointer(//*[@os='f'])"/> |
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| 77 | |
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| 78 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 79 | href="../../final-system/common/gcc.xml" |
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| 80 | xpointer="xpointer(//*[@os='g'])"/> |
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| 81 | |
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| 82 | <para os="cj">Before starting to build GCC, remember to unset any environment |
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| 83 | variables that override the default optimization flags.</para> |
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| 84 | |
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| 85 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 86 | href="../../final-system/common/gcc.xml" |
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| 87 | xpointer="xpointer(//*[@os='h'])"/> |
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| 88 | |
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[1b823a37] | 89 | <screen os="ck"><userinput>../gcc-&gcc-version;/configure --prefix=/tools \ |
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[bf8c11f] | 90 | --build=${LFS_HOST} --host=${LFS_TARGET} --target=${LFS_TARGET} \ |
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| 91 | --libexecdir=/tools/lib --with-local-prefix=/tools --enable-long-long \ |
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| 92 | --enable-c99 --enable-shared --enable-threads=posix --enable-__cxa_atexit \ |
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| 93 | --disable-nls --enable-languages=c,c++ --disable-libstdcxx-pch</userinput></screen> |
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| 94 | |
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[1b823a37] | 95 | <variablelist os="cl"> |
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[bf8c11f] | 96 | <title>The meaning of the new configure options:</title> |
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| 97 | |
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[1b823a37] | 98 | <varlistentry os="cl1"> |
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[bf8c11f] | 99 | <term><parameter>--libexecdir=/tools/lib</parameter></term> |
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| 100 | <listitem> |
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| 101 | <para>This do ...</para> |
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| 102 | </listitem> |
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| 103 | </varlistentry> |
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| 104 | |
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[1b823a37] | 105 | <varlistentry os="cl2"> |
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[bf8c11f] | 106 | <term><parameter>--disable-libstdcxx-pch</parameter></term> |
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| 107 | <listitem> |
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| 108 | <para>Do not build the pre-compiled header (PCH) for |
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| 109 | <filename class="libraryfile">libstdc++</filename>. It takes |
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| 110 | up a lot of space, and we have no use for it.</para> |
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| 111 | </listitem> |
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| 112 | </varlistentry> |
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| 113 | |
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| 114 | </variablelist> |
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| 115 | |
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[1b823a37] | 116 | <para os="cm">Compile the package:</para> |
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[bf8c11f] | 117 | |
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[1b823a37] | 118 | <screen os="cn"><userinput>make AS_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-as" \ |
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[bf8c11f] | 119 | LD_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-ld"</userinput></screen> |
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| 120 | |
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[1b823a37] | 121 | <para os="co">Install the package:</para> |
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[bf8c11f] | 122 | |
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[1b823a37] | 123 | <screen os="cp"><userinput>make install</userinput></screen> |
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[bf8c11f] | 124 | |
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| 125 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 126 | href="../../final-system/common/gcc.xml" |
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| 127 | xpointer="xpointer(//*[@os='w'])"/> |
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| 128 | |
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[1b823a37] | 129 | <screen os="cq"><userinput>ln -s gcc /tools/bin/cc</userinput></screen> |
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[bf8c11f] | 130 | |
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| 131 | </sect2> |
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| 132 | |
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| 133 | <sect2 role="content"> |
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| 134 | <title/> |
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| 135 | |
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| 136 | <para>Details on this package are located in <xref |
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| 137 | linkend="contents-gcc" role="."/></para> |
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| 138 | |
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| 139 | </sect2> |
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| 140 | |
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| 141 | </sect1> |
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