glfs/general/prog/gcc2/gcc2-inst.xml

<sect2>
<title>Installation of gcc</title>

<para>Apply the patches:</para>

<para><screen><userinput>patch -Np1 -i ../gcc-&gcc2-version;-2.patch &amp;&amp;
patch -Np1 -i ../gcc-&gcc2-version;-no-fixinc.patch &amp;&amp;
patch -Np1 -i ../gcc-&gcc2-version;-returntype-fix.patch</userinput></screen></para>

<para>The gcc development team recommends building in a separate directory.</para>

<para><screen><userinput>mkdir ../gcc-build &amp;&amp;
cd ../gcc-build</userinput></screen></para>

<para>Configure gcc to build the C and C++ compilers and enable the related C++
options.</para>
<para><screen><userinput>../gcc-&gcc2-version;/configure \
--prefix=/opt/gcc-&gcc2-version; \
--enable-shared --enable-languages=c,c++ \
--enable-threads=posix</userinput></screen></para>

<para>Compile and install gcc:</para>
<para><screen><userinput>make bootstrap &amp;&amp;
make install</userinput></screen></para>

<para>Make note of the library that is installed.</para>
<para><screen><userinput>L=`find /opt/gcc-&gcc2-version;/lib -name "*libstdc++*.so" -type f` &amp;&amp;
IL=`basename $L`</userinput></screen></para>

<para>Move the C++ libraries to the standard lib directory to avoid having to
add <filename>/opt/gcc-&gcc2-version;/lib</filename> to
<filename>/etc/ld.so.conf</filename>.</para>

<para><screen><userinput>for i in /opt/gcc-&gcc2-version;/lib/*.so*; do mv -f $i /usr/lib;
ln -sf /usr/lib/`basename $i` /opt/gcc-&gcc2-version;/lib; done</userinput></screen></para>

<para>Create symlinks required by commercial and precompiled packages.</para>
<para><screen><userinput>ln -sf $IL /usr/lib/libstdc++-libc6.1-1.so.2 &amp;&amp;
ln -sf $IL /usr/lib/libstdc++-libc6.2-2.so.3 &amp;&amp;
ln -sf $IL /usr/lib/libstdc++-libc6.3-2.so.3</userinput></screen></para>

</sect2>