[fpc-devel] CrossCompiling :: Windows -> Linux/MIPS

[SkyDiablo]

Am 01.11.2012 10:13, schrieb Mark Morgan Lloyd:
> Sven Barth wrote:
>> You should also post how you compiled the compiler (e.g. your batch 
>> file) so everyone knows what you did to reach your current state. ;)
>>
>> Regards,
>> Sven
>>
>> On 30.10.2012 21:54, SkyDiablo wrote:
>>> so wow !
>>>
>>> my question have a little prehistory, but direct to the problem. i have
>>> compile a crosscompiler;
>>>
>>> windows -> Linux/MIPS
>>>
>>> all works fine with one exception. if i start my helloWorld binary 
>>> on my
>>> destination target system, i get this message:
>>>
>>> FPU emulator disabled, make sure your toolchain was compiled with
>>> software floating point support (soft-float)
>>>
>>> someone can think: "oh, the toolchain is wrong", but no, with the same
>>> toolchain and with an c++ source, i can create a working binary with
>>> this compiler switch: "-msoft-float".
>>>
>>> so, how can i implement this "software floating point" behavoir in my
>>> FPC binary?
>
> But a couple of days ago I sent him a binary of a "do-nothing" 
> program, and via mail he tells me that
>
> -----8<-----
> # chmod +x donothing
> # ./donothing
> -bash: ./donothing: cannot execute binary file
>
> # chmod +x test
> # ./test
> -bash: ./test: cannot execute binary file
>
> i think i have a big endian system...
> ----->8-----
>
> Would an empty program give this error if it were an FP issue (and for 
> test purposes, can it be compiled so as not to)? Since he's got a 
> working C compiler I pointed him at a program that somebody'd written 
> to check endianness, but have had no response. Also he's not run  FPC 
> -i to check what the compiler thinks it is or run  file  on some of 
> the systems's own binaries.
>

i have answerd your email, your binaries are for MIPSel, my system is a 
MIPS system, big endien. so thats invald binary.

greez & thx,
   sky...