Cross compilation

Kai Ruottu kai.ruottu@wippies.com
Fri Nov 10 21:10:00 GMT 2017


Kai Ruottu kirjoitti 10.11.2017 klo 18:14:
> Kai Ruottu kirjoitti 10.11.2017 klo 11:21:
>> RAVI DEWANGAN kirjoitti 10.11.2017 klo 4:56:
>>> Hi GNU Team,
>>>
>>> Could you please guide me regarding cross compilation.
>>>
>>> I am trying to cross compile the toolchain for FreeBSD11(target) using
>>> Ubuntu16.04(host).
>>>
> ../../../../libstdc++-v3/libsupc++/new_opa.cc: In function 'void* 
> aligned_alloc(std::size_t, std::size_t)':
> ../../../../libstdc++-v3/libsupc++/new_opa.cc:62:1: error: 'void* 
> aligned_alloc(std::size_t, std::size_t)' was declared 'extern' and 
> later 'static' [-fpermissive]
>  aligned_alloc (std::size_t al, std::size_t sz)
>  ^~~~~~~~~~~~~
> In file included from 
> /home/src-old/gcc-7.2.0/build/x86_64-freebsd11.1/libstdc++-v3/include/cstdlib:75:0,
>                  from 
> /home/src-old/gcc-7.2.0/build/x86_64-freebsd11.1/libstdc++-v3/include/stdlib.h:36,
>                  from ../../../../libstdc++-v3/libsupc++/new_opa.cc:27:
> /home/src-old/gcc-7.2.0/build/gcc/include-fixed/stdlib.h:178:8: note: 
> previous declaration of 'void* aligned_alloc(size_t, size_t)'
>  void * aligned_alloc(size_t, size_t) __malloc_like __alloc_align(1)
>         ^~~~~~~~~~~~~
> make[4]: *** [new_opa.lo] Virhe 1
> make[4]: Poistutaan hakemistosta 
> "/home/src-old/gcc-7.2.0/build/x86_64-freebsd11.1/libstdc++-v3/libsupc++"
> make[3]: *** [all-recursive] Virhe 1
>
> Seemingly the same problem was with the x86_64-freebsd10.1 target 
> which I tried first after updating the
> earlier gcc-4.9.2 to gcc-4.9.3 with it. No problems in that build. 
> Will check the FreeBSD 11.1 with gcc-4.9.3
> too... 

Yes, just the same error came with gcc-7.2.0 sources and FreeBSD 10.1 
target. But builds with gcc-4.9.3,
gcc-5.3.0 and gcc-6.3.0 sources worked OK for FreeBSD 11.1 target. 
Unfortunately my C++ skills are rusty so
I cannot tell what to fix in this issue with gcc-7.2.0 :(



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