database.h as used in Makefile does not exist in HEAD of repository

starting phase `build'
gcc     compile.c   -o compile
gcc -std=c99 -O  -c actions2.c
In file included from actions2.c:4:0:
funcs.h:2:22: fatal error: database.h: No such file or directory
compilation terminated.
make: *** [Makefile:17: actions2.o] Error 1
make: *** Waiting for unfinished jobs....
phase `build' failed after 0.1 seconds