_spawnvp: No such file or directory

Hi all,
I'm following the tutorial put up by James Lynch for the
at91sam7s-ek and i encountered the following when i tried to make file
anyone encountered this and any fix?


**** Build of configuration Default for project tryagain ****

make all
.compiling
arm-elf-gcc -I./ -c -fno-common -O0 -g main.c
arm-elf-gcc: _spawnvp: No such file or directory
make: *** [main.o] Error 1