So everything in Rawhide must be compiled with -fPIC?

[Richard W.M. Jones]

On Thu, Feb 19, 2015 at 10:37:46AM +0000, Richard W.M. Jones wrote:
> On Thu, Feb 19, 2015 at 11:35:17AM +0100, Jakub Jelinek wrote:
> > On Thu, Feb 19, 2015 at 10:30:50AM +0000, Richard W.M. Jones wrote:
> > > info gcc, of course yes.  -DPIC is not documented at all, and the
> > > various pie/pic options are obscure to say the least.
> > 
> > Why should -DPIC be documented?  -D is documented.  -DPIC means define
> > macro PIC to 1.  There is no magic in that beyond, just a convention,
> > used e.g. by libtool, so that some sources can do things conditional on
> > whether they are compiled as position independent or not.  Of course, gcc
> > also predefines __pic__/__PIC__/__pie__/__PIE__ macros depending on command
> > line options.
> 
> Can I ask you a simple question?  Which of:
> 
> -DPIE
> -fPIE
> -fpie

Missed one:

  -pie

Reading the thread that Padraig pointed to, it seems as if
_hardened_build should be adding the right flags already.  It looks as
if the packager should not need to add flags at all (they would be
added automatically by %{configure}).  So a second question would be,
why doesn't it?

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
virt-builder quickly builds VMs from scratch
http://libguestfs.org/virt-builder.1.html