error compiling

vmplanet@ubuntu-vm:$ cd oscam vmplanet@ubuntu-vm:/oscam$ make cross-mipsel-tuxbox-linux-glibc

Build for platform mipsel-tuxbox-linux-glibc

make -C cscrypt mipsel-linux-glibc-gcc -O2 -DOS_LINUX -DTUXBOX -DMIPSEL -DCS_CONFDIR='"/usr/local/etc"' -static-libgcc -c md5.c make[2]: mipsel-linux-glibc-gcc: Command not found make[2]: *** [../lib/libcscrypt-mipsel-tuxbox-linux-glibc.a(md5.o)] Error 127 make[1]: *** [prepare] Error 2 make: [cross-mipsel-tuxbox-linux-glibc] Error 2 (ignored) vmplanet@ubuntu-vm:~/oscam$