[PING][PATCH][1-3] New configure options that make the compiler use -fPIE and -pie as default option

[Magnus Granberg]

söndag 11 januari 2015 09.47.09 skrev  H.J. Lu:
> On Sun, Jan 11, 2015 at 9:40 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> > On Sun, Jan 11, 2015 at 6:04 AM, Magnus Granberg <zorry@gentoo.org> wrote:
> >> söndag 11 januari 2015 14.29.56 skrev  Magnus Granberg:
> >>> söndag 11 januari 2015 03.37.14 skrev  H.J. Lu:
> >>> > On Sun, Jan 11, 2015 at 1:05 AM, Daniel Micay <danielmicay@gmail.com>
> >> 
> >> wrote:
> >>> > > On 11/01/15 03:52 AM, Daniel Micay wrote:
> >>> > >> This branch works well for me. It doesn't automatically turn off
> >>> > >> the
> >>> > >> linker flag when -fno-PIE or -fno-PIC are passed like most of the
> >>> > >> wrapper scripts / downstream patches do, but that might not be a
> >>> > >> problem
> >>> > >> in practice.
> >>> >  
> >>> >  -fno-PIE and -fno-PIC aren't linking options.  We don't turn on PIE
> >>> >  with
> >>> > 
> >>> > # gcc -fPIE ....
> >>> > 
> >>> > You need to use
> >>> > 
> >>> > # gcc -pie -fPIE
> >>> > 
> >>> > To turn off PIE, you should use
> >>> > 
> >>> > # gcc -no-pie -fno-PIE
> >>> > 
> >>> > > Er, Thunderbird did a terrible job handling my manual reply (wasn't
> >>> > > subscribed to the list). Sorry about that.
> >>> > > 
> >>> > > For clarity, this is about H.J. Lu's branch at:
> >>> > > 
> >>> > > https://gcc.gnu.org/git/?p=gcc.git;a=shortlog;h=refs/heads/hjl/pie
> >>> 
> >>> It works fine for me but 6 test fails in the testsuite.
> >>> Do we realy want to pass -fPIE -fPIC when someone do -fno-PIC or
> >>> -fno-pic?
> >> 
> >> On the crtstuff do we and --fPIE or should the Makefile handel it?
> >> I did let the Makefile handel it.
> > 
> > I will fix them shortly.
> 
> It is fixed now.

You are missing the fix in gcc/Makefile.in
echo enable_default_pie = '@enable_default_pie@' >> tmp-libgcc.mvars

/Magnus