[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 | <!ENTITY % patches-entities SYSTEM "../../patches.ent">
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| 6 | %general-entities;
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| 7 | %patches-entities;
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| 8 | ]>
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| 9 |
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| 10 | <sect1 id="ch-cross-tools-gcc-static" role="wrap">
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| 11 | <?dbhtml filename="gcc-static.html"?>
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| 12 |
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| 13 | <title>Cross GCC-&gcc-version; - Static</title>
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| 14 |
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| 15 | <indexterm zone="ch-cross-tools-gcc-static">
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| 16 | <primary sortas="a-GCC">GCC</primary>
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| 17 | <secondary>cross tools, static</secondary>
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| 18 | </indexterm>
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| 19 |
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[48f8316] | 20 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 21 | href="../../final-system/common/gcc.xml"
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| 22 | xpointer="xpointer(//*[@role='package'])"/>
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[bf8c11f] | 23 |
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| 24 | <sect2 role="installation">
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| 25 | <title>Installation of Cross GCC Compiler with Static libgcc
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| 26 | and no Threads</title>
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| 27 |
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| 28 | <para os="aa">We will make a couple of essential adjustments to the specs file
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| 29 | to point to use our build environment:</para>
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| 30 |
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| 31 | <screen os="ab"><userinput>patch -Np1 -i ../&gcc-specs-patch;</userinput></screen>
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| 32 |
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| 33 | <para os="ac">To make sure that we use the proper syntax for a couple of tools,
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| 34 | we apply the following patch:</para>
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| 35 |
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| 36 | <screen os="ad"><userinput>patch -Np1 -i ../&gcc-posix-patch;</userinput></screen>
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| 37 |
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| 38 | <para os="ae">The following patch ensures that <command>gcc</command> does not
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| 39 | search the <filename class="directory">/usr</filename> directory for
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| 40 | <filename class="libraryfile">libgcc_s.so</filename> when
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| 41 | cross-compling:</para>
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| 42 |
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| 43 | <screen os="af"><userinput>patch -Np1 -i ../&gcc-cross_search-patch;</userinput></screen>
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| 44 |
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| 45 | <para os="ag">Now we will need to setup our StartFile Spec to the correct library
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| 46 | location:</para>
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| 47 |
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| 48 | <screen os="ah"><userinput>echo "
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| 49 | #undef STARTFILE_PREFIX_SPEC
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| 50 | #define STARTFILE_PREFIX_SPEC \"/tools/lib/\"" >> gcc/config/linux.h</userinput></screen>
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| 51 |
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| 52 | <para os="ai">Now we will change <command>gcc</command>'s search path to look
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| 53 | into <filename class="directory">/tools</filename> only:</para>
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| 54 |
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| 55 | <screen os="aj"><userinput>cp gcc/Makefile.in{,.orig}
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| 56 | sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \
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| 57 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen>
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| 58 |
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| 59 | <important os="ak">
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| 60 | <para>The above patches and sed's are critical in ensuring a
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| 61 | successful overall build. Do not forget to apply them.</para>
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| 62 | </important>
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| 63 |
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| 64 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 65 | href="../../final-system/common/gcc.xml"
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| 66 | xpointer="xpointer(//*[@os='f'])"/>
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| 67 |
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| 68 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 69 | href="../../final-system/common/gcc.xml"
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| 70 | xpointer="xpointer(//*[@os='g'])"/>
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| 71 |
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| 72 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
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| 73 | href="../../final-system/common/gcc.xml"
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| 74 | xpointer="xpointer(//*[@os='h'])"/>
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| 75 |
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| 76 | <screen><userinput>../gcc-&gcc-version;/configure --prefix=/cross-tools \
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| 77 | --host=${LFS_HOST} --target=${LFS_TARGET} \
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| 78 | --with-local-prefix=/tools --disable-nls --disable-shared \
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| 79 | --disable-threads --enable-languages=c</userinput></screen>
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| 80 |
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| 81 | <variablelist os="al">
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| 82 | <title>The meaning of the configure options:</title>
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| 83 |
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| 84 | <varlistentry>
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| 85 | <term><parameter>--with-local-prefix=/tools</parameter></term>
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| 86 | <listitem>
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| 87 | <para>The purpose of this switch is to remove <filename
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| 88 | class="directory">/usr/local/include</filename> from
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| 89 | <command>gcc</command>'s include search path. This is not
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| 90 | absolutely essential, however, it helps to minimize the
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| 91 | influence of the host system.</para>
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| 92 | </listitem>
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| 93 | </varlistentry>
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| 94 |
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| 95 | <varlistentry>
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| 96 | <term><parameter>--disable-shared</parameter></term>
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| 97 | <listitem>
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| 98 | <para>Disables the creation of the shared libraries.</para>
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| 99 | </listitem>
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| 100 | </varlistentry>
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| 101 |
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| 102 | <varlistentry>
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| 103 | <term><parameter>--disable-threads</parameter></term>
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| 104 | <listitem>
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| 105 | <para>This will prevent GCC from finding the multi-thread
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| 106 | include files, since we haven't created them for this architecture
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| 107 | yet. We will be able to find the multi-thread information after
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| 108 | we create the Glibc headers.</para>
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| 109 | </listitem>
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| 110 | </varlistentry>
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| 111 |
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| 112 | <varlistentry>
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| 113 | <term><parameter>--enable-languages=c</parameter></term>
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| 114 | <listitem>
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| 115 | <para>This option ensures that only the C compiler is built.</para>
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| 116 | </listitem>
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| 117 | </varlistentry>
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| 118 |
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| 119 | </variablelist>
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| 120 |
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| 121 | <para>Continue with compiling the package:</para>
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| 122 |
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| 123 | <screen><userinput>make all-gcc</userinput></screen>
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| 124 |
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| 125 | <para>Install the package:</para>
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| 126 |
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| 127 | <screen><userinput>make install-gcc</userinput></screen>
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| 128 |
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| 129 | </sect2>
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| 130 |
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| 131 | <sect2 role="content">
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| 132 | <title/>
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| 133 |
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| 134 | <para>Details on this package are located in <xref
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| 135 | linkend="contents-gcc" role="."/></para>
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| 136 |
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| 137 | </sect2>
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| 138 |
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| 139 | </sect1>
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