Marc Weustink schrieb:
> Marc Weustink wrote:
>> ik wrote:
>>> Hi,
>>>
>>> While google suggest rewards for developing applications for Android,
>>> there is an open source firmware named OpenMoko
>>> (http://openmoko.org/).
>>> I asked Michael Shiloh what are some of the requirement in building
>>> apps in different compilers (FPC to be exact, and I also mentioned
>>> Lazarus :)). Well "all" that is required is to bind ourself to the C
>>> libraries.
>>>
>>> I wonder what does it mean (other then binding) to make FPC and
>>> Lazarus to support such environment.
>>
>> I've been playing with that thought also (I've been following that
>> project for a while now). It supports X and gtk so that part should
>> work and AFAIK it runs some arm-linux so imo fpc could genererste some
>> exe.
>> Since there wasn't an (easy) emulator environment, I stopped thinging
>> about it and didn't test.
>
> OK, thinks have inmroved and you now can run a qemu emulator :)
>
> I did some tests.
> First, just using the gnu-arm-linux binutils, I compiled a arm-linux
> trunk fpc and compiled a test (RTTIdump) console app. It runs fine on
> the emulated moko.
>
> Second I tried one of my simple test gtk2 apps. It compiles, but failed
> to link since the gnu-arm-linux binutils don't understand the format
> used for the X, gdk, gtk libs.
>
> I should have done some more initial reading, since openmoko brings its
> own binutils. After installing the openmoko toolchain I tried and
> linking my testapp failed again. Now ld was complaining that the .o
> files of the rtl had a wrong eabi version.
> Sure, true, indeed, I forgot to recompile fpc.
> And that ends in:
> /net/thunder/mnt/mirror1/src/fpc/trunk/rtl/units/arm-linux/system.s:
> Assembler messages:
> /net/thunder/mnt/mirror1/src/fpc/trunk/rtl/units/arm-linux/system.s:15225:
> Error: selected processor does not support `rfs r0'
> /net/thunder/mnt/mirror1/src/fpc/trunk/rtl/units/arm-linux/system.s:15228:
> Error: selected processor does not support `wfs r0'
> /net/thunder/mnt/mirror1/src/fpc/trunk/rtl/units/arm-linux/system.s:19155:
> Error: selected processor does not support `stfd f0,[r13]'
> ....
>
> It seems that the used arm core has no floatingpoint unit.
>
> Does fpc support softfloat ? (if yes, how to use ?)
It should be enough to build FPC with OPT=-dFPC_ARMEL
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