Re: [gentoo-embedded] sparcv8 gcc

["Сергей Миронов" <ierton@gmail.com>]

2009/6/20 Raúl Porcel <armin76@gentoo.org>:
> Сергей Миронов wrote:
>> Hm, ok, i get it. But is any way to compile sparc envirment for leon3
>> proc without fpu?
>> Maybe its possible to use sparcv8-unknown-linux-gnu and
>> USE="softfloat" (or similar) ?
>>
>> 2009/6/20 Raúl Porcel <armin76@gentoo.org>:
>>> Сергей Миронов wrote:
>>>> Hi! I'm trying to build cross-enviroment for
>>>> sparcv8-softfloat-linux-gnueabi, but without luck.
>>>>
>>>> gcc 4.3.2 (and 4.4.0) failes  to build with message:
>>>> ...
>>>> checking whether string.h and strings.h may both be included... yes
>>>> checking for .preinit_array/.init_array/.fini_array support... yes
>>>> checking how to run the C preprocessor... yes
>>>> checking if mkdir takes one argument... i686-pc-linux-gnu-gcc -E
>>>> no
>>>> *** Configuration sparcv8-softfloat-linux-gnu not supported
>>>> checking for egrep... grep -E
>>>> checking for ANSI C header files... yes
>>>> checking for sys/types.h... make[1]: *** [configure-gcc] Error 1
>>>> make[1]: *** Waiting for unfinished jobs....
>>>> yes
>>>> checking for sys/stat.h... yes
>>>> ...
>>>> make[1]: Leaving directory
>>>> `/var/tmp/cross/sparcv8-softfloat-linux-gnueabi/portage/cross-sparcv8-softfloat-linux-gnueabi/gcc-4.3.2-r3/work/build'
>>>> make: *** [all] Error 2
>>>>
>>>> Does anybody know combination of versions of gcc-glibc that works?
>>>>
>>> AFAIK gnueabi is only for ppc and ARM. Also softfloat(specifying it on
>>> the CHOST on gentoo) is for arm only.
>>>
>>>
>>
>>
>>
>
> http://gcc.gnu.org/onlinedocs/gcc-4.4.0/gcc/SPARC-Options.html#SPARC-Options
> You'll need to use -mno-fpu on the CFLAGS. And again, the -softfloat-
> thing on the CHOST is gentoo-specific and only applies to ARM.
>
>

Thanks! i'll try it as soon as i can.