[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-cross-tools-glibc" role="wrap"> |
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| 9 | <?dbhtml filename="glibc.html"?> |
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| 10 | |
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| 11 | <title>Glibc-&glibc-version;</title> |
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| 12 | |
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| 13 | <indexterm zone="ch-cross-tools-glibc"> |
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| 14 | <primary sortas="a-Glibc">Glibc</primary> |
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| 15 | <secondary>cross tools</secondary> |
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| 16 | </indexterm> |
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| 17 | |
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[48f8316] | 18 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 19 | href="../../final-system/common/glibc.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 Glibc</title> |
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| 24 | |
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| 25 | <para os="da">It should be noted that compiling Glibc in any way other than |
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| 26 | the method suggested in this book puts the stability of the system at |
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| 27 | risk.</para> |
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| 28 | |
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[cbfa0a3] | 29 | <para os="db">Disable linking to <filename>libgcc_eh</filename>:</para> |
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[bf8c11f] | 30 | |
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| 31 | <screen os="dc"><userinput>patch -Np1 -i ../&glibc-libgcc_eh-patch;</userinput></screen> |
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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="../../final-system/common/glibc.xml" |
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| 35 | xpointer="xpointer(//*[@os='c'])"/> |
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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="../../final-system/common/glibc.xml" |
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| 39 | xpointer="xpointer(//*[@os='d'])"/> |
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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="../../final-system/common/glibc.xml" |
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| 43 | xpointer="xpointer(//*[@os='e'])"/> |
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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="../../final-system/common/glibc.xml" |
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| 47 | xpointer="xpointer(//*[@os='f'])"/> |
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| 48 | |
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[cbfa0a3] | 49 | <para os="dd">For NPTL enabled systems the following lines need |
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| 50 | to be added to <filename>config.cache</filename>:</para> |
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[bf8c11f] | 51 | |
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| 52 | <screen os="de"><userinput>echo "libc_cv_forced_unwind=yes" > config.cache |
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| 53 | echo "libc_cv_c_cleanup=yes" >> config.cache</userinput></screen> |
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| 54 | |
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| 55 | <xi:include xmlns:xi="http://www.w3.org/2003/XInclude" |
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| 56 | href="../../final-system/common/glibc.xml" |
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| 57 | xpointer="xpointer(//*[@os='g'])"/> |
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| 58 | |
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[c48c555] | 59 | <screen os="df"><userinput>BUILD_CC="gcc" CC="${LFS_TARGET}-gcc" \ |
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[bf8c11f] | 60 | AR="${LFS_TARGET}-ar" RANLIB="${LFS_TARGET}-ranlib" \ |
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| 61 | ../glibc-&glibc-version;/configure --prefix=/tools \ |
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| 62 | --host=${LFS_TARGET} --build=${LFS_HOST} \ |
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| 63 | --disable-profile --enable-add-ons \ |
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| 64 | --with-tls --enable-kernel=2.6.0 --with-__thread \ |
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| 65 | --with-binutils=/cross-tools/bin --with-headers=/tools/include \ |
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| 66 | --cache-file=config.cache</userinput></screen> |
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| 67 | |
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[c48c555] | 68 | <variablelist os="dg"> |
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[bf8c11f] | 69 | <title>The meaning of the new configure options:</title> |
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| 70 | |
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[c48c555] | 71 | <varlistentry os="dg1"> |
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[bf8c11f] | 72 | <term><parameter>BUILD_CC="gcc"</parameter></term> |
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| 73 | <listitem> |
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[cbfa0a3] | 74 | <para>This sets Glibc to use the current compiler on our system. This is |
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| 75 | used to create the tools Glibc uses durings it's build.</para> |
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[bf8c11f] | 76 | </listitem> |
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| 77 | </varlistentry> |
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| 78 | |
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[c48c555] | 79 | <varlistentry os="dg2"> |
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[bf8c11f] | 80 | <term><parameter>CC="${LFS_TARGET}-gcc"</parameter></term> |
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| 81 | <listitem> |
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[cbfa0a3] | 82 | <para>This forces Glibc to use the GCC complier that we made for our target |
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[c48c555] | 83 | architecture.</para> |
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[bf8c11f] | 84 | </listitem> |
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| 85 | </varlistentry> |
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| 86 | |
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[c48c555] | 87 | <varlistentry os="dg3"> |
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[bf8c11f] | 88 | <term><parameter>AR="${LFS_TARGET}-ar"</parameter></term> |
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| 89 | <listitem> |
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[cbfa0a3] | 90 | <para>This forces Glibc to use the AR utility we made for our target |
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[c48c555] | 91 | architecture.</para> |
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[bf8c11f] | 92 | </listitem> |
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| 93 | </varlistentry> |
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| 94 | |
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[c48c555] | 95 | <varlistentry os="dg4"> |
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[bf8c11f] | 96 | <term><parameter>RANLIB="${LFS_TARGET}-ranlib"</parameter></term> |
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| 97 | <listitem> |
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[cbfa0a3] | 98 | <para>This forces Glibc to use the RANLIB utility we made for our target |
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[c48c555] | 99 | architecture.</para> |
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[bf8c11f] | 100 | </listitem> |
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| 101 | </varlistentry> |
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| 102 | |
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[c48c555] | 103 | <varlistentry os="dg5"> |
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[bf8c11f] | 104 | <term><parameter>--disable-profile</parameter></term> |
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| 105 | <listitem> |
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[c48c555] | 106 | <para>This builds the libraries without profiling information. |
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| 107 | Omit this option if profiling on the temporary tools is necessary.</para> |
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[bf8c11f] | 108 | </listitem> |
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| 109 | </varlistentry> |
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| 110 | |
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[c48c555] | 111 | <varlistentry os="dg6"> |
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[bf8c11f] | 112 | <term><parameter>--enable-add-ons</parameter></term> |
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| 113 | <listitem> |
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[cbfa0a3] | 114 | <para>This tells Glibc to utilize all add-ons that are avaialble.</para> |
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[bf8c11f] | 115 | </listitem> |
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| 116 | </varlistentry> |
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| 117 | |
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[c48c555] | 118 | <varlistentry os="dg7"> |
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[bf8c11f] | 119 | <term><parameter>--with-tls</parameter></term> |
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| 120 | <listitem> |
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[cbfa0a3] | 121 | <para>This tells Glibc to use Thread Local Storage.</para> |
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[bf8c11f] | 122 | </listitem> |
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| 123 | </varlistentry> |
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| 124 | |
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[c48c555] | 125 | <varlistentry os="dg8"> |
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[bf8c11f] | 126 | <term><parameter>--with-__thread</parameter></term> |
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| 127 | <listitem> |
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[cbfa0a3] | 128 | <para>This tells Glibc to use use the __thread for libc and |
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[c48c555] | 129 | libpthread builds.</para> |
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[bf8c11f] | 130 | </listitem> |
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| 131 | </varlistentry> |
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| 132 | |
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[c48c555] | 133 | <varlistentry os="dg9"> |
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[bf8c11f] | 134 | <term><parameter>--with-binutils=/cross-tools/bin</parameter></term> |
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| 135 | <listitem> |
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[cbfa0a3] | 136 | <para>This tells Glibc to use the Binutils that are specific to |
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[c48c555] | 137 | our target architecture.</para> |
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[bf8c11f] | 138 | </listitem> |
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| 139 | </varlistentry> |
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| 140 | |
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[c48c555] | 141 | <varlistentry os="dg10"> |
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[bf8c11f] | 142 | <term><parameter>--cache-file=config.cache</parameter></term> |
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| 143 | <listitem> |
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[cbfa0a3] | 144 | <para>This tells Glibc to utilize a premade cache file.</para> |
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[bf8c11f] | 145 | </listitem> |
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| 146 | </varlistentry> |
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| 147 | |
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| 148 | </variablelist> |
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| 149 | |
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[c48c555] | 150 | <para os="dh">During this stage the following warning might appear:</para> |
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[bf8c11f] | 151 | |
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[c48c555] | 152 | <blockquote os="di"><screen><computeroutput>configure: WARNING: |
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[bf8c11f] | 153 | *** These auxiliary programs are missing or |
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| 154 | *** incompatible versions: msgfmt |
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| 155 | *** some features will be disabled. |
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| 156 | *** Check the INSTALL file for required versions.</computeroutput></screen></blockquote> |
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| 157 | |
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[c48c555] | 158 | <para os="dj">The missing or incompatible <command>msgfmt</command> program is |
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[bf8c11f] | 159 | generally harmless. This <command>msgfmt</command> program is part of the |
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| 160 | Gettext package which the host distribution should provide.</para> |
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| 161 | |
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[c48c555] | 162 | <para os="dk">Compile the package:</para> |
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[bf8c11f] | 163 | |
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[c48c555] | 164 | <screen os="dl"><userinput>make</userinput></screen> |
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[bf8c11f] | 165 | |
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[c48c555] | 166 | <para os="dm">Install the package:</para> |
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[bf8c11f] | 167 | |
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[c48c555] | 168 | <screen os="dn"><userinput>make install</userinput></screen> |
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[bf8c11f] | 169 | |
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| 170 | </sect2> |
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| 171 | |
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| 172 | <sect2 role="content"> |
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| 173 | <title/> |
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| 174 | |
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| 175 | <para>Details on this package are located in <xref |
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| 176 | linkend="contents-glibc" role="."/></para> |
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| 177 | |
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| 178 | </sect2> |
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| 179 | |
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| 180 | </sect1> |
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