[pkg-gnupg-maint] Bug#879014: gpgme1.0: FTBFS on some arches: Qt needs a compile with -fPIC (PIE is not enough), hardening downgrades to PIE

[Lisandro Damián Nicanor Pérez Meyer]

On Mon, 9 Mar 2020 at 13:48, Thorsten Glaser <t.glaser at tarent.de> wrote:
> On Mon, 9 Mar 2020, Lisandro Damián Nicanor Pérez Meyer wrote:
> > PIE implies PIE so (and here is what I miss wrote above) PIE should
> > not be added if PIC was used.
>
> PIC implies PIE ;)

Ha! My IRC alternate nickname should be TypoMan.

> > Moreover PIC is more suitable for libraries, so it should be the right
> > choice here.
>
> The problem is that applications linked against Qt also need PIC,
> not PIE. The pkg-config stuff gets this right, but the continued
> insisting that -specs= stuff should be used to enable PIE on some
> architectures due to disagreements between dpkg and gcc maintainers
> causes PIE, if enabled in hardening, to be added too late on the
> compiler command line (and not ignored if PIC was already given).

Exactly, and in this cases one should filter out PIE.

-- 
Lisandro Damián Nicanor Pérez Meyer
http://perezmeyer.com.ar/
http://perezmeyer.blogspot.com/