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<sect2>
<title>Installation of GCC</title>
<para>This package is known to behave badly when you have changed its default
optimization flags (including the -march and -mcpu options). GCC is best
left alone, so we recommend you unsetting CFLAGS, CXXFLAGS and other
such variables/settings that would change the default optimization that
it comes with.</para>
<para>Install GCC by running the following commands:</para>
<para><screen><userinput>patch -Np1 -i ../gcc-&gcc-patch-version;.patch &&</userinput>
<userinput>mkdir ../gcc-build &&</userinput>
<userinput>cd ../gcc-build &&</userinput>
<userinput>../gcc-&gcc-version;/configure --prefix=/usr --enable-languages=c,c++ \</userinput>
<userinput> --disable-nls --disable-shared --enable-threads=posix &&</userinput>
<userinput>make BOOT_LDFLAGS=-static bootstrap &&</userinput>
<userinput>make prefix=$LFS/usr install &&</userinput>
<userinput>cd $LFS/lib &&</userinput>
<userinput>ln -sf ../usr/bin/cpp &&</userinput>
<userinput>cd $LFS/usr/lib &&</userinput>
<userinput>ln -sf ../bin/cpp &&</userinput>
<userinput>cd $LFS/usr/bin &&</userinput>
<userinput>ln -sf gcc cc</userinput></screen></para>
</sect2>
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