[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-static" role="wrap"> |
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| 9 | <?dbhtml filename="gcc-static.html"?> |
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| 10 | |
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| 11 | <title>Cross GCC-&gcc-version; - Static</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-cross-tools-gcc-static"> |
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| 14 | <primary sortas="a-GCC">GCC</primary> |
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| 15 | <secondary>cross tools, static</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 Cross GCC Compiler with Static libgcc |
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| 24 | and no Threads</title> |
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| 25 | |
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[6d4c909] | 26 | <para os="aa">First make a couple of essential adjustments to the specs file |
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[fac77fb] | 27 | to ensure GCC uses our build environment:</para> |
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[3f8be484] | 28 | |
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| 29 | <screen os="ab"><userinput>patch -Np1 -i ../&gcc-specs-patch;</userinput></screen> |
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| 30 | |
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[6d4c909] | 31 | <para os="ac">To make sure that a couple of tools use the proper syntax, |
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| 32 | apply the following patch:</para> |
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[3f8be484] | 33 | |
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| 34 | <screen os="ad"><userinput>patch -Np1 -i ../&gcc-posix-patch;</userinput></screen> |
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| 35 | |
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| 36 | <para os="ae">The following patch ensures that <command>gcc</command> does not |
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| 37 | search the <filename class="directory">/usr</filename> directory for |
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| 38 | <filename class="libraryfile">libgcc_s.so</filename> when |
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[6bb43b3] | 39 | cross-compiling:</para> |
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[3f8be484] | 40 | |
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| 41 | <screen os="af"><userinput>patch -Np1 -i ../&gcc-cross_search-patch;</userinput></screen> |
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| 42 | |
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[6d4c909] | 43 | <para os="ag">Now setup the StartFile Spec to the correct library |
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[3f8be484] | 44 | location:</para> |
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| 45 | |
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| 46 | <screen os="ah"><userinput>echo " |
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| 47 | #undef STARTFILE_PREFIX_SPEC |
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| 48 | #define STARTFILE_PREFIX_SPEC \"/tools/lib/\"" >> gcc/config/linux.h</userinput></screen> |
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| 49 | |
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[6d4c909] | 50 | <para os="ai">Now alter <command>gcc</command>'s c preprocessors default |
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[12d030c] | 51 | include search path to use <filename class="directory">/tools</filename> only:</para> |
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[3f8be484] | 52 | |
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[0b637f1] | 53 | <screen os="aj"><userinput>cp -v gcc/Makefile.in{,.orig} |
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[3f8be484] | 54 | sed -e "s@\(^CROSS_SYSTEM_HEADER_DIR =\).*@\1 /tools/include@g" \ |
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| 55 | gcc/Makefile.in.orig > gcc/Makefile.in</userinput></screen> |
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| 56 | |
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| 57 | <important os="ak"> |
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| 58 | <para>The above patches and sed's are critical in ensuring a |
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| 59 | successful overall build. Do not forget to apply them.</para> |
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| 60 | </important> |
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| 61 | |
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| 62 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 63 | href="../../final-system/common/gcc.xml" |
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| 64 | xpointer="xpointer(//*[@os='f'])"/> |
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| 65 | |
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| 66 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 67 | href="../../final-system/common/gcc.xml" |
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| 68 | xpointer="xpointer(//*[@os='g'])"/> |
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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="../../final-system/common/gcc.xml" |
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| 72 | xpointer="xpointer(//*[@os='h'])"/> |
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| 73 | |
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[d55f00bc] | 74 | <screen os="al"><userinput>../gcc-&gcc-version;/configure --prefix=/cross-tools \ |
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[2185dca] | 75 | --host=${LFS_HOST} --target=${LFS_TARGET} --disable-multilib \ |
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[3f8be484] | 76 | --with-local-prefix=/tools --disable-nls --disable-shared \ |
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| 77 | --disable-threads --enable-languages=c</userinput></screen> |
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| 78 | |
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[d55f00bc] | 79 | <variablelist os="am"> |
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[3f8be484] | 80 | <title>The meaning of the configure options:</title> |
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| 81 | |
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| 82 | <varlistentry> |
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| 83 | <term><parameter>--with-local-prefix=/tools</parameter></term> |
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| 84 | <listitem> |
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| 85 | <para>The purpose of this switch is to remove <filename |
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| 86 | class="directory">/usr/local/include</filename> from |
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| 87 | <command>gcc</command>'s include search path. This is not |
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| 88 | absolutely essential, however, it helps to minimize the |
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| 89 | influence of the host system.</para> |
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| 90 | </listitem> |
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| 91 | </varlistentry> |
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| 92 | |
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| 93 | <varlistentry> |
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| 94 | <term><parameter>--disable-shared</parameter></term> |
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| 95 | <listitem> |
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| 96 | <para>Disables the creation of the shared libraries.</para> |
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| 97 | </listitem> |
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| 98 | </varlistentry> |
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| 99 | |
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| 100 | <varlistentry> |
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| 101 | <term><parameter>--disable-threads</parameter></term> |
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| 102 | <listitem> |
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[193315c] | 103 | <para>This will prevent GCC from looking for the multi-thread |
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[6d4c909] | 104 | include files, since they haven't been created for this architecture |
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| 105 | yet. GCC will be able to find the multi-thread information after |
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| 106 | the Glibc headers are created.</para> |
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[3f8be484] | 107 | </listitem> |
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| 108 | </varlistentry> |
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| 109 | |
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| 110 | <varlistentry> |
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| 111 | <term><parameter>--enable-languages=c</parameter></term> |
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| 112 | <listitem> |
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| 113 | <para>This option ensures that only the C compiler is built.</para> |
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| 114 | </listitem> |
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| 115 | </varlistentry> |
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| 116 | |
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| 117 | </variablelist> |
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| 118 | |
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[d55f00bc] | 119 | <para os="an">Continue with compiling the package:</para> |
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[3f8be484] | 120 | |
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[d55f00bc] | 121 | <screen os="ao"><userinput>make all-gcc</userinput></screen> |
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[3f8be484] | 122 | |
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[d55f00bc] | 123 | <para os="ap">Install the package:</para> |
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[3f8be484] | 124 | |
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[d55f00bc] | 125 | <screen os="aq"><userinput>make install-gcc</userinput></screen> |
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[3f8be484] | 126 | |
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| 127 | </sect2> |
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| 128 | |
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| 129 | <sect2 role="content"> |
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| 130 | <title/> |
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| 131 | |
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| 132 | <para>Details on this package are located in <xref |
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| 133 | linkend="contents-gcc" role="."/></para> |
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| 134 | |
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| 135 | </sect2> |
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| 136 | |
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| 137 | </sect1> |
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