[ELDK] ELDK 4.2 on Ubuntu 9.04

[yel_yahc]

Hello, 
I installed ELDK 4.2 on ubuntu 9.04 this morning and I got this message
error:  

Configuring Xenomai kernel...
  CLEAN  
/home/yem/Documents/ELDK/install-eldk/ppc_6xx/usr/src/linux-2.6.24-xenomai
  CLEAN   .tmp_versions
  CLEAN   .tmp_gas_check
  CLEAN   scripts/genksyms
  CLEAN   scripts/kconfig
  CLEAN   scripts/mod
  CLEAN   include/config
  CLEAN   .config include/asm include/linux/autoconf.h
include/linux/version.h include/linux/utsrelease.h
/home/yem/Documents/ELDK/install-eldk/ppc_6xx/usr/local/xenomai/kbuild/scripts/prepare-kernel.sh:
line 405: patch : commande introuvable
prepare-kernel.sh: Unable to patch kernel 2.6.24.2 with
adeos-ipipe-2.6.24-powerpc-DENX-2.1-00.patch.
erreur: %post(xenomai-ppc_6xx-2.4.2-1.ppc) scriptlet failed, exit status 2


  and also this: 

Configuring kernel...
scripts/kconfig/conf.c: In function 'conf_askvalue':
scripts/kconfig/conf.c:112: attention : ignoring return value of 'fgets',
declared with attribute warn_unused_result
scripts/kconfig/conf.c: In function 'conf_choice':
scripts/kconfig/conf.c:363: attention : ignoring return value of 'fgets',
declared with attribute warn_unused_result
scripts/kconfig/lex.zconf.c:1642: attention : 'input' defined but not used
scripts/genksyms/lex.c:1487: attention : 'input' defined but not used
Removing scripts/basic/fixdep
Removing scripts/basic/docproc
Removing scripts/kconfig/conf.o
Removing scripts/kconfig/kxgettext.o
Removing scripts/kconfig/zconf.tab.o
Removing scripts/kconfig/conf
Removing scripts/genksyms/genksyms.o
Removing scripts/genksyms/lex.o
Removing scripts/genksyms/parse.o
Removing scripts/genksyms/genksyms
Removing scripts/mod/mk_elfconfig
Removing scripts/mod/file2alias.o
Removing scripts/mod/modpost.o
Removing scripts/mod/sumversion.o
Removing scripts/mod/modpost


Did you have any idea please how to resolve this problem, because I'm
stuck, I can not progress..

Best regards 
Youssef