64bit Genode and Fiasco.OC

Daniel Waddington d.waddington at ...60...
Mon Mar 14 19:47:00 CET 2011


CC_OPT seems to work on the compile stage, but not the link stage...

     COMPILE  new_delete.o
/usr/local/genode-gcc-x86_32/bin/genode-x86-g++  -m32 -L/usr/lib32 
-DFOOOOOOBARRR -ffunction-sections -fno-strict-aliasing -nostdinc -g 
-march=i686 -O2 -MMD -MP -MT 'new_delete.o new_delete.d' -Wall    -I. 
-c /home/dwaddington/git/omnios/genode/base/src/base/cxx/new_delete.cc 
-o new_delete.o
     LINK     audio_out_drv
/usr/local/genode-gcc-x86_32/bin/genode-x86-g++ -Wl,-gc-sections  
-Wl,--whole-archive -Wl,--start-group alsa.o main.o new_delete.o 
$libs/allocator_avl/allocator_avl.lib.a $libs/avl_tree/avl_tree.lib.a 
$libs/console/console.lib.a $libs/env/env.lib.a $libs/heap/heap.lib.a 
$libs/ipc/ipc.lib.a $libs/lock/lock.lib.a 
$libs/log_console/log_console.lib.a $libs/server/server.lib.a 
$libs/signal/signal.lib.a $libs/slab/slab.lib.a 
$libs/syscall/syscall.lib.a $libs/thread/thread.lib.a  -Wl,--end-group 
-Wl,--no-whole-archive -lasound 
-o audio_out_drv


On 03/14/2011 11:36 AM, Norman Feske wrote:
> Hi Daniel,
>> Looks like the problem is only specific to ..
>> ./os/src/drivers/audio_out
>> ./os/src/drivers/nic
>> everything else builds 32bit version on 64bit host platform.
> These targets alongside 'os/src/drivers/framebuffer/sdl' are hybrid
> programs using both the Genode framework as well as native Linux
> libraries. The 'audio_out' "driver" translates Genode's
> 'Audio_out_session' to ALSA, 'nic' translates Genode's 'Nic_session' to
> a Linux tap device, and 'fb_sdl' translates Genode's
> 'Framebuffer_session' and 'Input_session' to libSDL. Because of their
> hybrid nature, those programs are built without the '-nostdlib' switch.
> This way, the libraries at '/usr/lib' end up in those binaries.
>>> It looks like I need to add -m32 -L/usr/lib32 to the linux-compiled
>>> build flags - not sure how to do this, CC_OPT doesn't seem to
>>> percolate through.
> Normally, 'CC_OPT' is the right variable to use. However, I would not
> specify those arguments globally (hence, a spec-file is the wrong place
> for them). They should exceptionally be used for hybrid targets only.
> Can you successfully build 'audio_out' by adding those arguments to
> 'CC_OPT' in its 'target.mk' file?
> Best regards
> Norman


*Daniel G. Waddington Ph.D. C.Sci. **| **Samsung Information Systems 
America (SISA)*

Principal Engineer/Research Manager, Systems Research Group, Computer 
Science Lab

t: 408-544-5675   f: 408-544-5540  c: 408-890-0479

d.waddington at ...60... <mailto:d.waddington at ...60...>

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