source: BOOK/cross-tools/common/gcc-final.xml@ 7bb1bf01

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

  <title>Cross GCC-&gcc-version; - 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/2001/XInclude"
  href="../../final-system/common/gcc.xml"
  xpointer="xpointer(//*[@role='package'])"/>

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

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<screen os="bf"><userinput>AR=ar LDFLAGS="-Wl,-rpath,/cross-tools/lib" \
  ../gcc-&gcc-version;/configure --prefix=/cross-tools \
  --build=${CLFS_HOST} --target=${CLFS_TARGET} --host=${CLFS_HOST} \
  --with-sysroot=${CLFS} --with-local-prefix=/tools --disable-nls \
  --enable-shared --enable-languages=c,c++ --enable-__cxa_atexit \
  --with-mpfr=/cross-tools --with-gmp=/cross-tools --enable-c99 \
  --with-ppl=/cross-tools --with-cloog=/cross-tools --enable-cloog-backend=isl \
  --enable-long-long --enable-threads=posix --disable-multilib</userinput></screen>

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

      <varlistentry os="bg1">
        <term><parameter>--enable-languages=c,c++</parameter></term>
        <listitem>
          <para>This option ensures that only the C and C++ compilers are built.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="bg2">
        <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="bg3">
        <term><parameter>--enable-c99</parameter></term>
        <listitem>
          <para>Enable C99 support for C programs.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="bg4">
        <term><parameter>--enable-long-long</parameter></term>
        <listitem>
          <para>Enables long long support in the compiler.</para>
        </listitem>
      </varlistentry>

      <varlistentry os="bg5">
        <term><parameter>--enable-threads=posix</parameter></term>
        <listitem>
          <para>This enables C++ exception handling for multi-threaded code.</para>
        </listitem>
      </varlistentry>

    </variablelist>

    <para os="bh">Continue with compiling the package:</para>

<screen os="bi"><userinput>make AS_FOR_TARGET="${CLFS_TARGET}-as" \
    LD_FOR_TARGET="${CLFS_TARGET}-ld"</userinput></screen>

    <para os="bj">Install the package:</para>

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

  </sect2>

  <sect2 role="content">
    <title/>

    <para>Details on this package are located in <xref
    linkend="contents-gcc" role="."/></para>

  </sect2>

</sect1>