La compilation echoue pour moi (Arch Linux, cross-arm-elf-gcc 4.5.0) :

$ make
make all in tools...
make[1]: Entering directory `/home/prog/ti/nspire/trunk/tools'
make all in build...
make[2]: Entering directory `/home/prog/ti/nspire/trunk/tools/build'
cp nspire-gcc nspire-ld  nspire-as ../../bin
make[2]: Leaving directory `/home/prog/ti/nspire/trunk/tools/build'
make all in MakeLoader...
make[2]: Entering directory `/home/prog/ti/nspire/trunk/tools/MakeLoader'
gcc -W -Wall MakeLoader.c -o ../../bin/MakeLoader
make[2]: Leaving directory `/home/prog/ti/nspire/trunk/tools/MakeLoader'
make[1]: Leaving directory `/home/prog/ti/nspire/trunk/tools'
make all in arm...
make[1]: Entering directory `/home/prog/ti/nspire/trunk/arm'
nspire-as -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -c bootstrapper.S
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -mthumb -c loader.c
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -mthumb -c ints.c -o ints_light.o
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -mthumb -c syscalls.c -o syscalls_light.o
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -mthumb -c utils.c -o utils_light.o
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -c syscalls-light_ncas-1.7.c
nspire-gcc -Os -nostdlib -D _NDLS_LIGHT -mthumb-interwork -c syscalls-light_cas-1.7.c
nspire-ld --no-startup -nostdlib bootstrapper.o loader.o ints_light.o syscalls_light.o utils_light.o syscalls-light_ncas-1.7.o syscalls-light_cas-1.7.o -o ndless_installer.elf
make[2]: Entering directory `/home/prog/ti/nspire/trunk/system'
make[2]: Leaving directory `/home/prog/ti/nspire/trunk/system'
/usr/bin/arm-elf-ld: this linker was not configured to use sysroots
collect2: ld returned 1 exit status
make[1]: *** [ndless_installer.elf] Error 1
make[1]: Leaving directory `/home/prog/ti/nspire/trunk/arm'
make: *** [subdirs] Error 1