Disable -fPIC for libXext.

Also, explain why it's bad to enable it, and that it doesn't solve the problem
encountered on some old distros (still to be understood).


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@44801 20353a03-c40f-0410-a6d1-a30d3c3de9de

buildout/software-profiles/xorg.cfg

@@ -89,7 +89,8 @@ environment =
   LD_LIBRARY_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${xextproto:location}/lib:${libX11:location}/lib:${libxcb:location}/lib
   LD_RUN_PATH=${xcbproto:location}/lib:${libXau:location}/lib:${xorg-libpthread-stubs:location}/lib:${xextproto:location}/lib:${libX11:location}/lib:${libxcb:location}/lib
   PATH=${pkgconfig:location}/bin:%(PATH)s
-  CFLAGS=-fPIC
+# Warning: do *not* enable -fPIC CFLAGS for this library. Even if it fails and ld asks you to enable it. This will not solve your problem, and create an unexpected (by build chain) setup (all .o will be position-independant code).
+# CFLAGS=-fPIC
 configure-options =
   --disable-specs