[PATCH 2/3] build: Check for -Wtrampolines support

[Mark Wielaard]

Hi Timm,

On Wed, 2021-02-17 at 10:27 +0100, Timm Bäder via Elfutils-devel wrote:
> From: Timm Bäder <tbaeder@redhat.com>
> 
> Clang does not support -Wtrampolines, so check if the compiler
> supports
> it before using it.

Grin. If you don't support creating trampolines, then having a warning
for them (or at least the variant that needs executable stack, which is
really what we are trying to prevent) is probably not a high priority.

Added ChangeLog entries and pushed.

Thanks,

Mark