source: clfs-embedded/BOOK/cross-tools/common/gcc-final.xml@ b634a75

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<sect1 id="ch-cross-tools-gcc-final" role="wrap">
  <?dbhtml filename="gcc-final.html"?>

  <title>GCC-&gcc-version; - Cross Compiler Final</title>

  <indexterm zone="ch-cross-tools-gcc-final">
    <primary sortas="a-GCC">GCC</primary>
    <secondary>cross tools, final</secondary>
  </indexterm>

  <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
  href="gcc-static.xml"
  xpointer="xpointer(//*[@role='package'])"/>

  <sect2 role="installation">
    <title>Installation of GCC Cross Compiler</title>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p1'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p2'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p3'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p4'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p5'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p6'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p7'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='p8'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='c'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='d'])"/>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='e'])"/>

<screen os="ae"><userinput>../gcc-&gcc-version;/configure --prefix=${CLFS}/cross-tools \
    --host=${CLFS_HOST} --target=${CLFS_TARGET} --disable-multilib \
    --with-sysroot=${CLFS} --disable-nls --enable-shared \
    --enable-languages=c --enable-__cxa_atexit \
    --enable-c99 --enable-long-long --enable-threads=posix</userinput></screen>

    <variablelist os="af">
      <title>The meaning of the new configure options:</title>

      <varlistentry os="af1">
        <term><parameter>--enable-languages=c</parameter></term>
        <listitem>
          <para>This option ensures that only the C compiler is built. If the C++ compiler is needed, use --enable-languages=c,c++</para>
        </listitem>
      </varlistentry>

      <varlistentry os="af2">
        <term><parameter>--enable-__cxa_atexit</parameter></term>
        <listitem>
          <para>This option allows use of __cxa_atexit, rather than atexit,
          to register C++ destructors for local statics and global objects
          and is essential for fully standards-compliant handling of destructors.
          It also affects the C++ ABI and therefore results in C++ shared libraries
          and C++ programs that are interoperable with other Linux distributions.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="af3">
        <term><parameter>--enable-c99</parameter></term>
        <listitem>
          <para>Enable C99 support for C programs.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="af4">
        <term><parameter>--enable-long-long</parameter></term>
        <listitem>
          <para>Enables long long support in the compiler.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="af5">
        <term><parameter>--enable-threads=posix</parameter></term>
        <listitem>
          <para>This enables C++ exception handling for multi-threaded code.</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='ag'])"/>

<screen os="ah"><userinput>make</userinput></screen>

    <xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
    href="gcc-static.xml"
    xpointer="xpointer(//*[@os='ai'])"/>

<screen os="aj"><userinput>make install</userinput></screen>

  </sect2>

  <sect2 id="contents-gcc" role="content">
    <title>Contents of GCC</title>

    <segmentedlist>
      <segtitle>Installed programs</segtitle>
      <segtitle>Installed libraries</segtitle>

      <seglistitem>
        <seg>c++, cc (link to gcc), cpp, g++, gcc, gccbug, and gcov</seg>
        <seg>libgcc.a, libgcc_eh.a, libgcc_s.so, libmudflap.[a,so],
        libmudflapth.[a,so], libstdc++.[a,so], and
        libsupc++.a</seg>
      </seglistitem>
    </segmentedlist>

    <variablelist>
      <bridgehead renderas="sect3">Short Descriptions</bridgehead>
      <?dbfo list-presentation="list"?>
      <?dbhtml list-presentation="table"?>

      <varlistentry id="cc">
        <term><command>cc</command></term>
        <listitem>
          <para>The C compiler</para>
          <indexterm zone="ch-cross-tools-gcc-final cc">
            <primary sortas="b-cc">cc</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="cpp">
        <term><command>cpp</command></term>
        <listitem>
          <para>The C preprocessor; it is used by the compiler to expand the
          #include, #define, and similar statements in the source files</para>
          <indexterm zone="ch-cross-tools-gcc-final cpp">
            <primary sortas="b-cpp">cpp</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="c">
        <term><command>c++</command></term>
        <listitem>
          <para>The C++ compiler</para>
          <indexterm zone="ch-cross-tools-gcc-final c">
            <primary sortas="b-c++">c++</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="g">
        <term><command>g++</command></term>
        <listitem>
          <para>The C++ compiler</para>
          <indexterm zone="ch-cross-tools-gcc-final g">
            <primary sortas="b-g++">g++</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gcc">
        <term><command>gcc</command></term>
        <listitem>
          <para>The C compiler</para>
          <indexterm zone="ch-cross-tools-gcc-final gcc">
            <primary sortas="b-gcc">gcc</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gccbug">
        <term><command>gccbug</command></term>
        <listitem>
          <para>A shell script used to help create useful bug reports</para>
          <indexterm zone="ch-cross-tools-gcc-final gccbug">
            <primary sortas="b-gccbug">gccbug</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="gcov">
        <term><command>gcov</command></term>
        <listitem>
          <para>A coverage testing tool; it is used to analyze programs to
          determine where optimizations will have the most effect</para>
          <indexterm zone="ch-cross-tools-gcc-final gcov">
            <primary sortas="b-gcov">gcov</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libgcc">
        <term><filename class="libraryfile">libgcc</filename></term>
        <listitem>
          <para>Contains run-time support for <command>gcc</command></para>
          <indexterm zone="ch-cross-tools-gcc-final libgcc">
            <primary sortas="c-libgcc*">libgcc*</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libmudflap">
        <term><filename class="libraryfile">libmudflap</filename></term>
        <listitem>
          <para>The libmudflap libraries are used by GCC for instrumenting
          pointer and array dereferencing operations.</para>
          <indexterm zone="ch-cross-tools-gcc-final libmudflap">
            <primary sortas="c-libmudflap*">libmudflap*</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libstdc">
        <term><filename class="libraryfile">libstdc++</filename></term>
        <listitem>
          <para>The standard C++ library</para>
          <indexterm zone="ch-cross-tools-gcc-final libstdc">
            <primary sortas="c-libstdc++">libstdc++</primary>
          </indexterm>
        </listitem>
      </varlistentry>

      <varlistentry id="libsupc">
        <term><filename class="libraryfile">libsupc++</filename></term>
        <listitem>
          <para>Provides supporting routines for the C++ programming
          language</para>
          <indexterm zone="ch-cross-tools-gcc-final libsupc">
            <primary sortas="c-libsupc++">libsupc++</primary>
          </indexterm>
        </listitem>
      </varlistentry>

    </variablelist>

  </sect2>

</sect1>