Build problem on vanilla ubuntu 19.10

[truemetal]

I'm getting this on ./configure && make
Any suggestions?

ubuntu@ubuntu:~/42sh-master$ ./configure && make
-Wall -W -Werror -pedantic -std=c99 -D_GNU_SOURCE -DNDEBUG -O2
./configure: 77: cd: can't cd to build
CMake Error: The source directory "/home/ubuntu/42sh-master" does not appear to contain CMakeLists.txt.
Specify --help for usage, or press the help button on the CMake GUI.
make -C build
make[1]: *** build: No such file or directory.  Stop.
make: *** [Makefile:8: all] Error 2
ubuntu@ubuntu:~/42sh-master$