Pass -fPIC when compiling shared libraries. This is more or less "standard"

behaviour, so let's use it. In addition, not using -fPIC creates errors on
x86_64.


[SVN r24955]

tools/build

@@ -1 +1 @@
-Subproject commit 20af45d1102890fadf3388e8beb1d18d3111d9be
+Subproject commit 0bc691b58344c4247c1bff4cec5d6688a26492b2