RFC: Add --enable-static-pie to build static executables as PIE

[Szabolcs Nagy]

On 18/07/17 14:48, Alan Modra wrote:
> On Tue, Jul 18, 2017 at 05:30:48AM -0700, H.J. Lu wrote:
>> On Mon, Jul 17, 2017 at 9:25 PM, Alan Modra <amodra@gmail.com> wrote:
>> Linker needs to support --no-dynamic-linker.
> 
> Is there really much to be gained from PIEs that don't use ld.so
> versus those that do?
> 

in glibc ld.so in principle only works with one particular
version of glibc, you cannot move a static linked pie binary
to another system if it has ld.so dependency.