[committed] Don't share target config.cache on mainline

[Andreas Tobler]

Andreas Tobler wrote:

> Andreas Jaeger wrote:
> 
>> neroden@twcny.rr.com (Nathanael Nerode) writes:
>>
>>
>>> Committing this to the top level.  It's kind of evil, but I'm 
>>> guessing it will
>>> fix some of the multilib build problems.  Bootstrapped 
>>> i686-pc-linux-gnu.
>>> Please, if you were having multilib build problems, give it a try.
>>
>>
>>
>> I just got on x86_64 with multi-libs:
>>
>> configure: loading cache .././config.cache
>> configure: error: `LDFLAGS' was not set in the previous run
>> configure: error: changes in the environment can compromise the build
>> configure: error: run `make distclean' and/or `rm .././config.cache' 
>> and start o
>> ver
>> make[2]: Entering directory `/builds/gcc/misc/gcc'
>> if test -f stage_last ; then \
>>   LAST=`cat stage_last`; rm $LAST; make LANGUAGES="c gcov gcov-dump 
>> ada c++ f77 java objc treelang" BOOT_CFLAGS="-g -O2" $LAST; \
>> else \
>>   make LANGUAGES="c gcov gcov-dump ada c++ f77 java objc treelang" 
>> BOOT_CFLAGS="
>> -g -O2" stage1_build; \
>> fi
>> make[1]: *** [configure-fastjar] Error 1
> 
> 
> 
> I see exact the same on ppclinux and darwin. Both with a make -j 2 
> bootstrap. The machines itself are UP.
> 
> Try now a single (j = 1) build.

Both went fine (ppclinux & darwin). Would you mind reverting your change 
or fix it ?

Thanks,

Andreas