[PATCH] Add test for linking against most static libraries

[Florian Weimer]

On 10/28/2016 07:33 PM, Joseph Myers wrote:
> On Fri, 28 Oct 2016, Carlos O'Donell wrote:
>
>> I'm kinda baffled by this. We don't set it in config-sysdirs.
>>
>> I expect you have a local patch that hid this.
>
> I expect he happened to have a compiler that searched a system include
> directory with crypt.h.

This is what seems to have happened, at least according to 
elf/tst-linkall-static.o.d.  It happened on all systems I tested this.

I suspect the only way to guard against this is to parse the default 
compiler search paths from gcc -v and replace the variants of 
/usr/include found therein with a carefully prepared directory tree of 
installed headers and some linked-in kernel headers.

Thanks,
Florian