Hi,

Recently, I've made the mistake of deleting /usr/obj. Now, every time I
try a kernel build or something like that, I get the following message:

# ./build.sh tools
===> Bootstrapping nbmake
checking for sh... /bin/sh
checking for gcc... cc
checking for C compiler default output... configure: error: C compiler
cannot create executables

ERROR: configure of nbmake failed
*** BUILD ABORTED ***
#

Is there any way to recover my /usr/obj?

Thank you.