Sir,

    While buliding codezero kernel with genode.First I do "make prepare" in "base-codezero" directory.

Then i created a build directory.Then after making command "make run/demo"

I'm getting

root@...115...:~/Downloads/genode-12.02/build.codezero# make run/demo
using run script /home/naveen/Downloads/genode-12.02/base-codezero/run/env
using run script /home/naveen/Downloads/genode-12.02/os/run/demo.run
building targets: core init drivers/timer server/nitpicker server/liquid_framebuffer app/launchpad app/scout test/nitpicker server/nitlog drivers/framebuffer drivers/pci drivers/input

spawn make core init drivers/timer server/nitpicker server/liquid_framebuffer app/launchpad app/scout test/nitpicker server/nitlog drivers/framebuffer drivers/pci drivers/input
make[1]: Entering directory `/home/naveen/Downloads/genode-12.02/build.codezero'
checking library dependencies for core...
checking library dependencies for init...
checking library dependencies for drivers/timer...
Skip target drivers/timer/pistachio because it requires pistachio
Skip target drivers/timer/foc because it requires foc
Skip target drivers/timer/okl4_x86 because it requires okl4 x86
Skip target drivers/timer/linux because it requires linux
Skip target drivers/timer/fiasco because it requires fiasco
Skip target drivers/timer/nova because it requires nova x86
Skip target drivers/timer/okl4_arm because it requires okl4
checking library dependencies for server/nitpicker...
checking library dependencies for server/liquid_framebuffer...
checking library dependencies for app/launchpad...
checking library dependencies for app/scout...
checking library dependencies for test/nitpicker...
checking library dependencies for server/nitlog...
checking library dependencies for drivers/framebuffer...
Skip target drivers/framebuffer/fiasco_ux because it requires fiasco x86
Skip target drivers/framebuffer/pl11x/pbxa9 because it requires platform_pbxa9
Skip target drivers/framebuffer/pl11x/vea9x4 because it requires platform_vea9x4
Skip target drivers/framebuffer/sdl because it requires linux sdl
Skip target drivers/framebuffer/vesa because it requires vesa
checking library dependencies for drivers/pci...
Skip target drivers/pci/x86 because it requires x86
checking library dependencies for drivers/input...
Skip target drivers/input/fiasco_ux because it requires fiasco x86
Skip target drivers/input/ps2/x86 because it requires x86
Library platform
Library ipc
Library slab
Library avl_tree
Library allocator_avl
Library heap
Library console
Library log_console
Library lock
Library env
Library cxx
Library thread
Library server
Library elf
Library process
Library l4_arm_v5
Library l4
Library startup
Program init/init
Library alarm
Program drivers/timer/codezero/timer
Library blit
Program server/nitpicker/genode/nitpicker
Library scout_widgets
Program server/liquid_framebuffer/liquid_fb
Library launchpad
Program app/launchpad/launchpad
Library mini_c
Library libz_static
Library libpng_static
Program app/scout/genode/scout
Program test/nitpicker/testnit
Program server/nitlog/nitlog
Program drivers/framebuffer/pl11x/vpb926/pl11x_drv
Program drivers/framebuffer/pl11x/
Program drivers/input/dummy/dummy_input_drv
Program drivers/input/ps2/pl050/ps2_drv
Library core_printf
Library pager
Library raw_signal
Library raw_server
Program core/core
make[1]: Leaving directory `/home/naveen/Downloads/genode-12.02/build.codezero'
genode build completed
/home/naveen/Downloads/genode-12.02/base-codezero/tool/gen_romfs -p /usr/local/genode-gcc/bin/genode-arm- -c var/run/demo/genode/core -o /home/naveen/Downloads/genode-12.02/build.codezero/kernel/codezero/build/cont0/empty0/modules.elf var/run/demo/genode/launchpad var/run/demo/genode/config var/run/demo/genode/pl11x_drv var/run/demo/genode/testnit var/run/demo/genode/init var/run/demo/genode/scout var/run/demo/genode/ps2_drv var/run/demo/genode/liquid_fb var/run/demo/genode/timer var/run/demo/genode/nitlog var/run/demo/genode/nitpicker
rm -f /home/naveen/Downloads/genode-12.02/build.codezero/kernel/codezero/src/generic/cinfo.c
cd /home/naveen/Downloads/genode-12.02/build.codezero/kernel/codezero; PATH=/usr/local/genode-gcc/bin:$PATH ./build.py
cp /home/naveen/Downloads/genode-12.02/build.codezero/kernel/codezero/build/final.elf var/run/demo/image.elf
spawn qemu-system-arm -m 256 -serial mon:stdio -M versatilepb -m 128 -kernel var/run/demo/image.elf
couldn't execute "qemu-system-arm": no such file or directory
    while executing
"spawn qemu-system-arm   -m 256 -serial mon:stdio -M versatilepb     -m 128 -kernel var/run/demo/image.elf "
    ("eval" body line 1)
    invoked from within
"eval "spawn $qemu $qemu_args""
    (procedure "spawn_qemu" line 40)
    invoked from within
"spawn_qemu $wait_for_re $timeout_value "
    (procedure "run_genode_until" line 2)
    invoked from within
"run_genode_until forever"
    (file "/home/naveen/Downloads/genode-12.02/os/run/demo.run" line 111)
    invoked from within
"source $include_name"
    ("foreach" body line 3)
    invoked from within
"foreach include_name [get_cmd_arg --include ""] {
    puts "using run script $include_name"
    source $include_name
}"
    (file "/home/naveen/Downloads/genode-12.02/tool/run" line 480)
make: *** [run/demo] Error 1
root@...115...:~/Downloads/genode-12.02/build.codezero#

Thank You,
Naveen