[3f8be484] | 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-cross-tools-gcc-final" role="wrap">
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| 9 | <?dbhtml filename="gcc-final.html"?>
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| 10 |
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| 11 | <title>GCC-&gcc-version; - Cross Compiler Final</title>
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| 12 |
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| 13 | <indexterm zone="ch-cross-tools-gcc-final">
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| 14 | <primary sortas="a-GCC">GCC</primary>
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| 15 | <secondary>cross tools, final</secondary>
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| 16 | </indexterm>
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| 17 |
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[cf66ceae] | 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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[3f8be484] | 21 |
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| 22 | <sect2 role="installation">
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| 23 | <title>Installation of GCC Cross Compiler</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="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="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="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="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="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="gcc-static.xml"
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| 47 | xpointer="xpointer(//*[@os='af'])"/>
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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="gcc-static.xml"
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| 51 | xpointer="xpointer(//*[@os='ag'])"/>
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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="gcc-static.xml"
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| 55 | xpointer="xpointer(//*[@os='ah'])"/>
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| 56 |
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| 57 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 58 | href="gcc-static.xml"
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| 59 | xpointer="xpointer(//*[@os='ai'])"/>
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| 60 |
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| 61 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 62 | href="gcc-static.xml"
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| 63 | xpointer="xpointer(//*[@os='aj'])"/>
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| 64 |
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| 65 | <para os="bd">Finally, disable <option>-B</option> in <filename>configure</filename>,
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| 66 | so it doesn't pick up the host's header files:</para>
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| 67 |
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[0b637f1] | 68 | <screen os="be"><userinput>cp -v configure{,.orig}
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[3f8be484] | 69 | sed -e '/FLAGS_FOR_TARGET.*\/lib\//s@-B[^ ]*/lib/@@g' configure.orig >configure</userinput></screen>
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| 70 |
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| 71 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 72 | href="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="gcc-static.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="gcc-static.xml"
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| 81 | xpointer="xpointer(//*[@os='g'])"/>
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| 82 |
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| 83 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 84 | href="gcc-static.xml"
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| 85 | xpointer="xpointer(//*[@os='h'])"/>
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| 86 |
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[d55f00bc] | 87 | <screen os="bf"><userinput>../gcc-&gcc-version;/configure --prefix=/cross-tools \
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[3f8be484] | 88 | --target=${LFS_TARGET} --host=${LFS_HOST} --disable-multilib \
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| 89 | --with-local-prefix=/tools --disable-nls --enable-shared \
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| 90 | --enable-languages=c,c++ --enable-__cxa_atexit \
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| 91 | --enable-c99 --enable-long-long --enable-threads=posix</userinput></screen>
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| 92 |
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[d55f00bc] | 93 | <variablelist os="bg">
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[3f8be484] | 94 | <title>The meaning of the new configure options:</title>
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| 95 |
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[d55f00bc] | 96 | <varlistentry os="bg1">
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[3f8be484] | 97 | <term><parameter>--enable-languages=c,c++</parameter></term>
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| 98 | <listitem>
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[6bb43b3] | 99 | <para>This option ensures that only the C and C++ compilers are built.</para>
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[3f8be484] | 100 | </listitem>
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| 101 | </varlistentry>
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| 102 |
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[d55f00bc] | 103 | <varlistentry os="bg2">
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[3f8be484] | 104 | <term><parameter>--enable-__cxa_atexit</parameter></term>
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| 105 | <listitem>
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| 106 | <para>This option allows use of __cxa_atexit, rather than atexit,
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| 107 | to register C++ destructors for local statics and global objects
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| 108 | and is essential for fully standards-compliant handling of destructors.
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| 109 | It also affects the C++ ABI and therefore results in C++ shared libraries
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| 110 | and C++ programs that are interoperable with other Linux distributions.</para>
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| 111 | </listitem>
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| 112 | </varlistentry>
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| 113 |
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[d55f00bc] | 114 | <varlistentry os="bg3">
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[3f8be484] | 115 | <term><parameter>--enable-c99</parameter></term>
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| 116 | <listitem>
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| 117 | <para>Enable C99 support for C programs.</para>
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| 118 | </listitem>
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| 119 | </varlistentry>
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| 120 |
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[d55f00bc] | 121 | <varlistentry os="bg4">
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[3f8be484] | 122 | <term><parameter>--enable-long-long</parameter></term>
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| 123 | <listitem>
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| 124 | <para>Enables long long support in the compiler.</para>
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| 125 | </listitem>
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| 126 | </varlistentry>
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| 127 |
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[d55f00bc] | 128 | <varlistentry os="bg5">
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[3f8be484] | 129 | <term><parameter>--enable-threads=posix</parameter></term>
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| 130 | <listitem>
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| 131 | <para>This enables C++ exception handling for multi-threaded code.</para>
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| 132 | </listitem>
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| 133 | </varlistentry>
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| 134 |
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| 135 | </variablelist>
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| 136 |
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[d55f00bc] | 137 | <para os="bh">Continue with compiling the package:</para>
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[3f8be484] | 138 |
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[d55f00bc] | 139 | <screen os="bi"><userinput>make AS_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-as" \
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[3f8be484] | 140 | LD_FOR_TARGET="/cross-tools/bin/${LFS_TARGET}-ld"</userinput></screen>
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| 141 |
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[d55f00bc] | 142 | <para os="bj">Install the package:</para>
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[3f8be484] | 143 |
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[d55f00bc] | 144 | <screen os="bk"><userinput>make install</userinput></screen>
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[3f8be484] | 145 |
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| 146 | </sect2>
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| 147 |
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| 148 | <sect2 role="content">
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| 149 | <title/>
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| 150 |
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| 151 | <para>Details on this package are located in <xref
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| 152 | linkend="contents-gcc" role="."/></para>
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| 153 |
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| 154 | </sect2>
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| 155 |
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| 156 | </sect1>
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