source: general/prog/gcc2/gcc2-inst.xml@ 8a0cee4

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Last change on this file since 8a0cee4 was 8a0cee4, checked in by Larry Lawrence <larry@…>, 20 years ago

part I, II, III, IV

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@839 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<sect2>
2<title>Installation of gcc</title>
3
4<para>Apply the two patches, one to fix compilation and the other to stop the
5fixincludes script from executing.</para>
6
7<para><screen><userinput>patch -Np1 -i ../gcc-&gcc2-version;-1.patch &amp;&amp;
8patch -Np1 -i ../gcc-&gcc2-version;-no-fixinc.patch</userinput></screen></para>
9
10<para>The gcc development team recommends building in a separate directory.</para>
11
12<para><screen><userinput>mkdir ../gcc-build &amp;&amp;
13cd ../gcc-build</userinput></screen></para>
14
15<para>Configure gcc to build the C and C++ compilers and enable the related C++
16options.</para>
17<para><screen><userinput>../gcc-&gcc2-version;/configure \
18--prefix=/opt/gcc2 \
19--enable-shared --enable-languages=c,c++ \
20--enable-threads=posix</userinput></screen></para>
21
22<para>Compile and install gcc and remove unneeded directories (adjust the
23machine triplet to match your architecture).</para>
24<para><screen><userinput>make bootstrap &amp;&amp;
25make install &amp;&amp;
26ln -sf gcc /opt/gcc2/bin/cc &amp;&amp;
27rm -rf /opt/gcc2/{i686-pc-linux-gnu,info,man}</userinput></screen></para>
28
29<para>Make note of the library that is installed.</para>
30<para><screen><userinput>L=`find /opt/gcc2/lib -name "*libstdc++*.so" -type f` &amp;&amp;
31IL=`basename $L`</userinput></screen></para>
32
33<para>Move the C++ libraries to the standard lib directory to avoid having to
34add <filename>/opt/gcc2/lib</filename> to
35<filename>/etc/ld.so.conf</filename>.</para>
36
37<para><screen><userinput>for i in /opt/gcc2/lib/*.so*; do mv -f $i /usr/lib;
38ln -sf /usr/lib/`basename $i` /opt/gcc2/lib; done</userinput></screen></para>
39
40<para>Create symlinks required by commercial and precompiled packages.</para>
41<para><screen><userinput>ln -sf $IL /usr/lib/libstdc++-libc6.1-1.so.2 &amp;&amp;
42ln -sf $IL /usr/lib/libstdc++-libc6.2-2.so.3 &amp;&amp;
43ln -sf $IL /usr/lib/libstdc++-libc6.3-2.so.3</userinput></screen></para>
44
45</sect2>
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