--- command lines ---
$ llvm-gcc -flto a.c -c -o a.o # <-- a.o is LLVM bitcode file
+$ ar q a.a a.o # <-- a.a is an archive with LLVM bitcode
$ llvm-gcc b.c -c -o b.o # <-- b.o is native object file
-$ llvm-gcc -use-gold-plugin a.o b.o -o main # <-- link with LLVMgold plugin
+$ llvm-gcc -use-gold-plugin a.a b.o -o main # <-- link with LLVMgold plugin
</pre>
<p>Gold informs the plugin that foo3 is never referenced outside the IR,
leading LLVM to delete that function. However, unlike in the
export NM="$PREFIX/bin/nm"
export RANLIB=/bin/true #ranlib is not needed, and doesn't support .bc files in .a
export CFLAGS="-O4"
- </pre>
+</pre>
</li>
<li>Or you can just set your path:
<pre class="doc_code">
export CXX="llvm-g++ -use-gold-plugin"
export RANLIB=/bin/true
export CFLAGS="-O4"
- </pre>
+</pre>
</li>
<li>Configure & build the project as usual: <tt>./configure && make && make check</tt> </li>
</ul>