[PATCH] Fix make closures.c use dlmmap,dlmunmap on cygwin.

[Dave Korn]

Andrew Haley wrote:
> Dave Korn wrote:
>> [ Re: http://gcc.gnu.org/ml/gcc-patches/2009-06/threads.html#02228 ]
>>
>>     Hey all,
>>
>>   Take 2 of this patch.  Works in the simplest way possible, by saying that
>> cygwin is an exception to the rule about win32/64 platforms not using the
>> local dlmmap/dlmunmap implementations.
>>
>>   Sticklers for formatting will note that two of the #endif lines reach 81
>> characters, because of the comment repeating the #if condition.  I didn't
>> think it was worth wrapping the lines for such a tiny excess length in
>> something this trivial, but I'll do so before committing if that's what the
>> maintainers decide.
>>
>> libffi/ChangeLog:
>>
>> 	* closures.c (mmap, munmap):  Don't define replacement macros pointing
>> 	to dl* versions on windows platforms.
>>
>>   Bootstrapping now.  Assuming it completes and libffi tests run alright, OK?
> 
> Sure: obvious/trivial, fixes bootstrap.
> 
> Commit upstream and gcc trees, please.
> 
> Andrew.

  Doesn't bootstrap directly.  Missing reference to `_is_selinux_enabled'.
Respin on the way.  (Will probably just "#define is_selinux_enabled 0" for
cygwin.)

    cheers,
      DaveK