[syslinux] EFI: HP + syslinux = crash [ brown paper bag update ]

[Gene Cumm]

On Sun, Sep 13, 2015 at 10:14 AM, Patrick Masotta <masottaus at yahoo.com> wrote:
>
>>>>
>  >
>  > The empty define should work; actually it did work for many years...
>  >
>  > Your just proposed change was my first attempt for solving this but for some
>  > reason it did not work. After testing a lot the only way I've found to solve this
>  > bug was defining a "real" empty function. I know, 100% hacky but it works.
>
>  If the voiding doesn't work, we'll need that function in another 44
>  lines of code, spread throughout the source.
>
>  --
>  -Gene
> <<<
>
> You might be right; I have mentioned before that this bug could probably impact other parts of the code.
> So far I'm continually using vesamenu.c32 with PNG images w/o any problem. But the Zlib code
> is surely used in many more places!
>
> I really do not know why the compiler is not correctly parsing the void function or if
> there is a particular condition that triggers this behavior in this particular case.
> This issue is very hard to trace/reproduce/debug/report, etc. a real PITA.

Smells of an optimizer/stripper bug :(

Patrick, Oscar, what specific build tools are you two using?

GNU ld (GNU Binutils for Debian) 2.22
gcc version 4.7.2 (Debian 4.7.2-5)
NASM version 2.10.01

Trying to recall if there's other utility packages.

-- 
-Gene