Linux + Clang + execstack

Martin Buchholz martinrb at
Wed Sep 5 18:59:51 UTC 2018

So ... Magnus, are you happy with the current state of the proposed patch?

On Tue, Sep 4, 2018 at 11:50 PM, Magnus Ihse Bursie <
magnus.ihse.bursie at> wrote:

> For the gcc toolchain this can not be the case:
> # Minimum supported linker versions, empty means unspecified
> We make sure we have an ld that supports the basic flags we assume.

feature tests are better than version tests.  Because there are various
linkers in play (old GNU ld, gold, lld, macosx ld, BSD ld) and we'd like
our compilers to work the same way on various platforms, I'm vaguely
unhappy with TOOLCHAIN_MINIMUM_LD_VERSION_gcc.  It looks
like TOOLCHAIN_EXTRACT_LD_VERSION is another place where we conflate
toolchains and operating systems.

> We can add a similar check for the clang toolchain, if you want.
> Mixing and matching compilers and linkers willy-nilly is not a supported
> build option

As always, I am for portability and for toolchain competition.  I'd like to
be able to build with Intel's icc toolchain.

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