[LLVMdev] Linux-x86 Compatability

[Casey Carter]

Chris Lattner wrote:

>>ISSUE: INT64_MAX undefined in InstrSelectionSupport.cpp and
>>InstructionCombining.cpp.  I'm not completely sure where INT64_MAX comes
>>from on Solaris, but C99 says that INT64_MAX is defined in stdint.h,
>>but, for C++, only if __STDC_LIMIT_MACROS is #defined.  Solaris (at
>>least in CSIL) unfortunately does not have stdint.h, but it does have
>>the old inttypes.h - and so does Linux.
>>    
>>
>
>Interesting.  INT64_MAX is supposed to be provided by
>include/Support/DataTypes.h.  Do you know of a reliable preprocessor
>symbol that can be used to determine whether we're on a linux box, or
>  
>
Well, there is always __linux__, but that doesn't necessarily imply that 
we are on a Linux box with stdint.h.

>(better yet) whether the system has a valid <stdint.h>?
>  
>
Nope.  Autoconf is definitely the way to go here (even though converting 
is a pain).

>Thanks,
>
>-Chris
>
>http://llvm.cs.uiuc.edu/
>http://www.nondot.org/~sabre/Projects/
>  
>


-- 
Casey Carter
Casey at Carter.net
ccarter at uiuc.edu
AIM: cartec69