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diff --git a/chapter06/gcc-pass1.xml b/chapter06/gcc-pass1.xml deleted file mode 100644 index 1bd308f09..000000000 --- a/chapter06/gcc-pass1.xml +++ /dev/null @@ -1,208 +0,0 @@ -<?xml version="1.0" encoding="ISO-8859-1"?> -<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" - "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ - <!ENTITY % general-entities SYSTEM "../general.ent"> - %general-entities; -]> - -<sect1 id="ch-tools-gcc-pass1" role="wrap" xreflabel="gcc-pass1"> - <?dbhtml filename="gcc-pass1.html"?> - - <sect1info condition="script"> - <productname>gcc-pass1</productname> - <productnumber>&gcc-version;</productnumber> - <address>&gcc-url;</address> - </sect1info> - - <title>GCC-&gcc-version; - Pass 1</title> - - <indexterm zone="ch-tools-gcc-pass1"> - <primary sortas="a-GCC">GCC</primary> - <secondary>tools, pass 1</secondary> - </indexterm> - - <sect2 role="package"> - <title/> - - <xi:include xmlns:xi="http://www.w3.org/2001/XInclude" - href="../chapter06/gcc.xml" - xpointer="xpointer(/sect1/sect2[1]/para[1])"/> - - <segmentedlist> - <segtitle>&buildtime;</segtitle> - <segtitle>&diskspace;</segtitle> - - <seglistitem> - <seg>&gcc-ch5p1-sbu;</seg> - <seg>&gcc-ch5p1-du;</seg> - </seglistitem> - </segmentedlist> - - </sect2> - - <sect2 role="installation"> - <title>Installation of Cross GCC</title> - - <para>GCC requires the GMP, MPFR and MPC packages. As these packages may - not be included in your host distribution, they will be built with - GCC. Unpack each package into the GCC source directory and rename the - resulting directories so the GCC build procedures will automatically - use them:</para> - - <note><para>There are frequent misunderstandings about this chapter. The - procedures are the same as every other chapter as explained earlier (<xref - linkend='buildinstr'/>). First extract the gcc tarball from the sources - directory and then change to the directory created. Only then should you - proceed with the instructions below.</para></note> - -<screen><userinput remap="pre">tar -xf ../mpfr-&mpfr-version;.tar.xz -mv -v mpfr-&mpfr-version; mpfr -tar -xf ../gmp-&gmp-version;.tar.xz -mv -v gmp-&gmp-version; gmp -tar -xf ../mpc-&mpc-version;.tar.gz -mv -v mpc-&mpc-version; mpc</userinput></screen> - - <para>On x86_64 hosts, set the default directory name for - 64-bit libraries to <quote>lib</quote>:</para> - -<screen><userinput remap="pre">case $(uname -m) in - x86_64) - sed -e '/m64=/s/lib64/lib/' \ - -i.orig gcc/config/i386/t-linux64 - ;; -esac</userinput></screen> - - <para>The GCC documentation recommends building GCC - in a dedicated build directory:</para> - -<screen><userinput remap="pre">mkdir -v build -cd build</userinput></screen> - - <para>Prepare GCC for compilation:</para> - -<screen><userinput remap="configure">../configure \ - --target=$LFS_TGT \ - --prefix=$LFS/tools \ - --with-glibc-version=2.11 \ - --with-sysroot=$LFS \ - --with-newlib \ - --without-headers \ - --enable-initfini-array \ - --disable-nls \ - --disable-shared \ - --disable-multilib \ - --disable-decimal-float \ - --disable-threads \ - --disable-libatomic \ - --disable-libgomp \ - --disable-libquadmath \ - --disable-libssp \ - --disable-libvtv \ - --disable-libstdcxx \ - --enable-languages=c,c++</userinput></screen> - <variablelist> - <title>The meaning of the configure options:</title> - - <varlistentry> - <term><parameter>--with-glibc-version=2.11</parameter></term> - <listitem> - <para>This option ensures the package will be compatible with the host's - version of glibc. It is set to the minimum glibc requirement - specified in the <xref linkend="ch-partitioning-hostreqs"/>.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--with-newlib</parameter></term> - <listitem> - <para>Since a working C library is not yet available, this ensures - that the inhibit_libc constant is defined when building libgcc. This prevents - the compiling of any code that requires libc support.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--without-headers</parameter></term> - <listitem> - <para>When creating a complete cross-compiler, GCC requires - standard headers compatible with the target system. For our - purposes these headers will not be needed. This switch prevents - GCC from looking for them.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--disable-shared</parameter></term> - <listitem> - <para>This switch forces GCC to link its internal libraries - statically. We need this because the shared libraries require glibc, - which is not yet installed on the target system.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--disable-decimal-float, --disable-threads, - --disable-libatomic, --disable-libgomp, <!--- -disable-libmpx,--> - --disable-libquadmath, --disable-libssp, --disable-libvtv, - --disable-libstdcxx</parameter></term> - <listitem> - <para>These switches disable support for the decimal floating point - extension, threading, libatomic, libgomp, <!--libmpx, --> libquadmath, libssp, - libvtv, and the C++ standard library respectively. These features - will fail to compile when building a cross-compiler and are not - necessary for the task of cross-compiling the temporary libc.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--disable-multilib</parameter></term> - <listitem> - <para>On x86_64, LFS does not yet support a multilib configuration. - This switch is harmless for x86.</para> - </listitem> - </varlistentry> - - <varlistentry> - <term><parameter>--enable-languages=c,c++</parameter></term> - <listitem> - <para>This option ensures that only the C and C++ compilers are built. - These are the only languages needed now.</para> - </listitem> - </varlistentry> - - </variablelist> - - <para>Compile GCC by running:</para> - -<screen><userinput remap="make">make</userinput></screen> - - <para>Install the package:</para> - - <screen><userinput remap="install">make install</userinput></screen> - - <para>This build of GCC has installed a couple of internal system - headers. Normally one of them, <filename>limits.h</filename>, would in turn - include the corresponding system <filename>limits.h</filename> header, in - this case, <filename>$LFS/usr/include/limits.h</filename>. However, at the - time of this build of gcc <filename>$LFS/usr/include/limits.h</filename> - does not exist, so the internal header that has just been installed is a - partial, self-contained file and does not include the extended features of - the system header. This is adequate for building glibc, but the full - internal header will be needed later. Create a full version of the internal - header using a command that is identical to what the GCC build system does - in normal circumstances:</para> - -<screen><userinput remap="install">cd .. -cat gcc/limitx.h gcc/glimits.h gcc/limity.h > \ - `dirname $($LFS_TGT-gcc -print-libgcc-file-name)`/install-tools/include/limits.h</userinput></screen> - </sect2> - - <sect2 role="content"> - <title/> - - <para>Details on this package are located in - <xref linkend="contents-gcc" role="."/></para> - - </sect2> - -</sect1> |