[patch] fix bootstrap on FreeBSD i386/arm

[Andreas Tobler]

On 28.05.15 23:54, Eric Botcazou wrote:
>> This patch restores bootstrap on i386-*-freebsd*.
>> The build was failing after the introduction of -std=c++98
>> configure/build flag. The -std=c++98 enables strict_ansi and on FreeBSD
>> the libc function atoll is not defined for this.
>
> Solaris (x86 and SPARC) is also broken in various ways: for example, the "sun"
> preprocessor macro is no more defined.  Why do we need strict ANSI exactly?
>

It comes from -std=c++98, I don't know why we need it.

I come that far on Sparc Solaris 10:

Comparing stages 2 and 3
warning: gcc/cc1plus-checksum.o differs
warning: gcc/cc1-checksum.o differs
Bootstrap comparison failure!
gcc/fortran/symbol.o differs
gcc/builtins.o differs
gcc/real.o differs
gcc/ubsan.o differs
libdecnumber/decimal128.o differs
gmake[2]: *** [compare] Error 1
gmake[2]: Leaving directory `/export/data/tobleran/gcc-test/head/objdir'
gmake[1]: *** [stage3-bubble] Error 2
gmake[1]: Leaving directory `/export/data/tobleran/gcc-test/head/objdir'
gmake: *** [bootstrap] Error 2


I do not face any issues from -std=c++98 so far. But I can imagine that 
there will be something in libjava? There we disable 'sun' with -Usun. 
But this should not be a big issue.

Andreas