Bootstrap failure on Linux/x86-64 in Ada

[Paolo Bonzini]

>>Since I don't understand really if what I'm saying makes sense, I think 
>>the best solution is to revert because it is also affecting people that 
>>use --disable-bootstrap (whom I cannot blame at all).
>>    
>>
>That would certainly be better than the current situation, although if
>you look at Makefile.tpl and EXTRA_GCC_FLAGS, you'll see that we already
>apply this treatment to BOOT_ADAFLAGS and this worked as expected,
>so why treating ADAFLAGS (using e.g. for cross compilers) differently ?
>  
>
I'm not saying I don't like the idea, but I'm not prepared to do it and 
I surely don't want to "slip it under the door" as obvious.

Paolo