All ARM sample now build with gcc-4.3.1! :-)
Unfortunately (fortunately?), this implies using a uClibc snapshot.

/trunk/samples/armeb-unknown-linux-uclibc/uClibc-20080801.config | 243 243 0 0 ++++++++++
/trunk/samples/armeb-unknown-linux-uclibc/crosstool.config | 29 17 12 0 +
/trunk/samples/arm-unknown-linux-gnueabi/crosstool.config | 13 8 5 0 +
/trunk/samples/arm-unknown-linux-uclibcgnueabi/uClibc-20080801.config | 243 243 0 0 ++++++++++
/trunk/samples/arm-unknown-linux-uclibcgnueabi/crosstool.config | 29 17 12 0 +
/trunk/samples/armeb-unknown-linux-gnu/crosstool.config | 13 8 5 0 +
/trunk/samples/arm-unknown-linux-uclibc/uClibc-20080801.config | 243 243 0 0 ++++++++++
/trunk/samples/arm-unknown-linux-uclibc/crosstool.config | 29 17 12 0 +
/trunk/samples/armeb-unknown-linux-uclibcgnueabi/uClibc-20080801.config | 243 243 0 0 ++++++++++
/trunk/samples/armeb-unknown-linux-uclibcgnueabi/crosstool.config | 29 17 12 0 +
10 files changed, 1056 insertions(+), 58 deletions(-)

 # Compute sh-specific values

 CT_DoArchValues () {

     # The architecture part of the tuple:

     CT_TARGET_ARCH="${CT_ARCH_SH_VARIANT}${target_endian_eb}"

     # gcc ./configure flags

     CT_ARCH_WITH_ARCH=

     CT_ARCH_WITH_ABI=

     CT_ARCH_WITH_CPU=

     CT_ARCH_WITH_TUNE=

     CT_ARCH_WITH_FPU=

     CT_ARCH_WITH_FLOAT=

     # Endianness stuff

     case "${CT_ARCH_BE},${CT_ARCH_LE}" in

         y,) CT_ARCH_ENDIAN_CFLAG=-mb;;

         ,y) CT_ARCH_ENDIAN_CFLAG=-ml;;

     esac

     # CFLAGS

     case "${CT_ARCH_SH_VARIENT}" in

         sh3)    CT_ARCH_ARCH_CFLAG=-m3;;

         sh4*)

             case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in

                 y,) CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}";;

                 ,y) CT_ARCH_ARCH_CFLAG="-m4${CT_ARCH_SH_VARIANT##sh?}-nofpu";;

             esac

             ;;

     esac

     CT_ARCH_FLOAT_CFLAG=

 }