Yet another question

[Florian Grätz]

Dear Stefan,
Dear Mohammad,

thank you for your kind support. Stefan pointed me into the right
direction. I was missing, that I had to uncomment two directories in the
build.conf and that I needed to make the run/demo target. The result was an
elf file. I assume that this needs to be loaded by the Raspberry
bootloader. I will give it a try as soon as I get some spare time on my
hands, maybe next weekend. However, I don't expect any troubles here.

The other matter appears a little tricker, though.

I am using a 64-bit SDL-1.2 (the build manual didn't specify, whether to
use SDL-1.2 or SDL-2.0, but I guessed from the sources that it must be 1.2):
florian at ...465...:~/genode/build/linux_x86$ file
/usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0.11.4
/usr/lib/x86_64-linux-gnu/libSDL-1.2.so.0.11.4: ELF 64-bit LSB shared
object, x86-64, version 1 (SYSV), dynamically linked,
BuildID[sha1]=fb5912d243b188e293346fd4ce1e09d5ed2d1fe2, stripped

My libalsa is also 64 bits:
florian at ...465...:~/genode/build/linux_x86$ file
/usr/lib/x86_64-linux-gnu/ao/plugins-4/libalsa.so
/usr/lib/x86_64-linux-gnu/ao/plugins-4/libalsa.so: ELF 64-bit LSB shared
object, x86-64, version 1 (SYSV), dynamically linked,
BuildID[sha1]=5f11394919125b4879e2b15cc6d32a2c4b2976b1, stripped

I am running Ubuntu 16.10 64 bits in a Virtual Box on a Windows 10 host:
florian at ...465...:~/genode/build/linux_x86$ uname -a
Linux Linde 4.8.0-30-generic #32-Ubuntu SMP Fri Dec 2 03:43:27 UTC 2016
x86_64 x86_64 x86_64 GNU/Linux

However, there is no specs.conf file in my build directory:
florian at ...465...:~/genode/build/linux_x86$ ls -R -a
.:
.  ..  etc  Makefile

./etc:
.  ..  build.conf

Do I need to create one?

Regards, Florian.

2016-12-12 23:24 GMT+01:00 Florian Grätz <florian.graetz at ...9...>:

> Hello, community,
>
> first of all: let me express, how helpful and responsive this mailing list
> is. I finally succeeded in running make for hw_rpi - still I have no idea
> how to run it on my real hardware. make surely created many files, most of
> them object files (.o), or object archives (.a). For running on my
> hardware, I would need an image file, which I can write on an SD card,
> though. How would I create one? Browsing through the .txt files didn't
> yield to anything useful.
>
> I also have another concern when making for target linux_x86 according to
> section 'Quick start to build genode for linux'. make run/demo quits with
> the following errors:
> /usr/bin/ld: fb_sdl.o: relocation R_X86_64_32 agains symbol
> '_ZTIN6Genode11Msgbuf_base13_Too_many_capsE' can not be used when making
> a shared object; recompile with -fPIC
> /usr/bin/ld: input.o: relocation R_X86_64_32S agains '.rodata' can not be
> used when making a shared object recompile with -fPIC
> /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/6../../../x86_64-linux-gnu/crt1.o:
> relocation R_X86_64_32S against symbol '__libc_csu_fini' can not be used
> when making shared object; recompile with -fPIC
> /usr/bin/ld: final link failed: Bad value
> collect2: error: ld returned 1 exit status
> /home/florian/genode/repos/base/mk/prg.mk:222: recipe for target 'fb_sdl'
> failed
>
> If I run make without any arguments, the adio_drv doesn't build. The
> linker quits with the following messages:
> /usr/bin/ld: alsa.o: relocation R_X86_64_32 agains '.bss' can not be used
> when making a shared object; recompile with -fPIC
> /usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/6../../../x86_64-linux-gnu/crt1.o:
> relocation R_X86_64_32S against symbol '__libc_csu_fini' can not be used
> when making shared object; recompile with -fPIC
> /usr/bin/ld: final link failed: Nonrepresentable section on output
> collect2: error: ld returned 1 exit status
> /home/florian/genode/repos/base/mk/prg.mk:222: recipe for target
> 'audio_drv' failed
>
> Any hints would be greatly appreciated.
>
> All the best, Florian.
>
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