l4linux on arm11mpcore (build error)

Rahul Ramasubramanian ramasubramanian.rahul at gmail.com
Sun Nov 7 04:36:11 CET 2010

I am trying to build l4linux for arm. I have already built and tested l4re
and the fiasco kernel (generated a simple image using the hello.lua script)
After pulling the l4linux sources from svn , i used the following steps (as
described in the wiki)
1> l4linux-2.6$ make O=/tmp/buildpath L4ARCH=arm CROSS_COMPILE=arm-linux-
2>l4linux-2.6$ make O=/tmp/buildpath L4ARCH=arm CROSS_COMPILE=arm-linux-

In menuconfig , i gave the correct path for l4 build dirctory ( in my case
it is /home/syslab1/l4fiasco/src/l4/build). This is the directory which
hosuses the images folder etc after the l4re and the simple hello image was
built. I also selected the arm architecture
3>l4linux-2.6$ make O=/tmp/buildpath L4ARCH=arm CROSS_COMPILE=arm-linux-

I get the following error when i run the last command

syslab1 at syslab1-desktop:~/l4fiasco/l4linux$ make O=/tmp/l4linuxbuild/
L4ARCH=arm CROSS_COMPILE=arm-linux- L4 source directory:
/home/syslab1/l4fiasco/src/l4 PWD=/home/syslab1/l4fiasco/src/l4 make -C
/home/syslab1/l4fiasco/src/l4 -f
O=/home/syslab1/l4fiasco/src/l4/build L4X_LOOP_CHECK=1
OUTPUT=/tmp/l4linuxbuild/Makeconf.l4conf GEN
/tmp/l4linuxbuild/Makeconf.l4conf GEN /tmp/l4linuxbuild/Makefile
scripts/kconfig/conf -s arch/l4/Kconfig
include/config/auto.conf:486:warning: symbol value 'elf32-i386' invalid for
OUTPUT_FORMAT include/config/auto.conf:690:warning: symbol value
'arch/x86/configs/i386_defconfig' invalid for ARCH_DEFCONFIG
include/config/auto.conf:896:warning: symbol value '' invalid for
ACPI_CUSTOM_DSDT_FILE include/config/auto.conf:1692:warning: symbol value
'-fcall-saved-ecx -fcall-saved-edx' invalid for ARCH_HWEIGHT_CFLAGS Getting
required compilation flags failed. L4OBJ:
/home/syslab1/l4fiasco/src/l4/build L4_REQUIRED_MODS: stdlibs log
l4re_c-util libio shmc /home/syslab1/l4fiasco/l4linux/arch/l4/Makefile:287:
*** Aborting.. Stop. make: *** [sub-make] Error 2

Can anyone tell me where I am going wrong. This thing seems simple enough
but i am sure i am making a simple mistake which i am unable to resolve.
Will appreciate if someone can tell me how to make this error go away.

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