root@mikkel:~# cd Q-4.20/ root@mikkel:~/Q-4.20# make gcc -O3 -fomit-frame-pointer -pipe -march=i686 -g -c newq.c In file included from newq.c:32: globals.h:66: error: array type has incomplete element type globals.h:200: warning: conflicting types for built-in function âlogâ make: *** [newq.o] Error 1