Check out this thread on their discourse server: https://discourse.trueos.org/t/solved-fresh-install-no-c-compiler/3548 > Thanks, harv . I installed Trident now. I'm not able to do much with > pkg search > > like I usually can when using TrueOS or FreeBSD. I got vim, emacs and gcc > installed, but not clang. It doesn't find clang in the repositories when > I type: pkg install clang. > When I try to build with gcc, I get: > fatal error: string.h: No such file or directory. > > Maybe there's a development package I need to install, but I'm not > sure what the name of it is. There are some things I like about Trident, > so I hope I can figure out how to solve these problems. Thanks for > letting me know about this. > > > Brian > Ebenezer Enterprises - In G-d we trust. > https://github.com/Ebenezer-group/onwards