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<?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-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="../../final-system/common/gcc.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="../../final-system/common/gcc.xml"
xpointer="xpointer(//*[@os='p3'])"/>
<xi:include xmlns:xi="http://www.w3.org/2003/XInclude"
href="../../final-system/common/gcc.xml"
xpointer="xpointer(//*[@os='p4'])"/>
<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>AR=ar LDFLAGS="-Wl,-rpath,${CLFS}/cross-tools/lib" \
../gcc-&gcc-version;/configure --prefix=${CLFS}/cross-tools \
--build=${CLFS_HOST} --host=${CLFS_HOST} --target=${CLFS_TARGET} \
--disable-multilib --with-sysroot=${CLFS} --disable-nls \
--enable-shared --enable-languages=c,c++ --enable-__cxa_atexit \
--with-mpfr=${CLFS}/cross-tools --with-gmp=${CLFS}/cross-tools \
--with-ppl=${CLFS}/cross-tools --with-cloog=${CLFS}/cross-tools \
--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,c++</parameter></term>
<listitem>
<para>This option ensures that only the C and C++ compilers are built.</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 AS_FOR_TARGET="${CLFS_TARGET}-as" \
LD_FOR_TARGET="${CLFS_TARGET}-ld"</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 role="content">
<title/>
<para>Details on this package are located in <xref
linkend="contents-gcc" role="."/></para>
</sect2>
</sect1>