Re: cross-compiling alternatives

[Matthieu CASTET <matthieu.castet@parrot.com>]

Alexander Neundorf wrote:
> On Friday 13 June 2008 15:17:54 you wrote:
>> Bernd Petrovitsch wrote:
>>> Actually the size of ints (or any other type) can be easily deduced
>>> without running a (for the target) compiled binary:
>>> - compile the binary (for the target) with an initialized variable with
>>>   that value.
>>> - use cross nm (or a similar tool) to read it from there.
>> Or the method autoconf uses - binary search, using a compile-time
>> numeric comparison which resolves to a successful or failed compile.
> 
> How does it do that compile-time numeric comparison ?
> 
for example you could do

int test[my comparaison];

if my comparaison < 0, the compilation should abort.


Matthieu