Problem to build the basic sample

**** Build of configuration Debug for project Basic Sample ****

make -k -s -j4 all

Building file: …/appconf_api.c
Building Bsp
Invoking: C Compiler
make: /bin/sh: Command not found
make: *** [appconf_api.o] Error 127
Building file: …/root.c
Invoking: C Compiler
make: /bin/sh: Command not found
make: *** [root.o] Error 127
** Copy project files to bsp
make: /bin/sh: Command not found
make: *** [bsp/7_5/connectme9210/lib/libbsp.a] Error 127
make: Target `all’ not remade because of errors.

What is the problem?

>make: /bin/sh: Command not found

this means you have a cygwin problem. Did this work before?
Reinstalling should solve this problem