On Tue, Mar 31, 2020 at 10:04:40PM +0000, Wei Yang wrote: > cc -I. -I../../include -g -Og -Wall -D_LGPL_SOURCE -fsanitize=address -fsanitize=undefined -c -o main.o main.c > In file included from ./linux/../../../../include/linux/radix-tree.h:15, > from ./linux/radix-tree.h:5, > from main.c:10: > ./linux/rcupdate.h:5:10: fatal error: urcu.h: No such file or directory > 5 | #include <urcu.h> > | ^~~~~~~~ > compilation terminated. > make: *** [<builtin>: main.o] Error 1 Oh, you need liburcu installed. On Debian, that's liburcu-dev ... probably liburcu-devel on Red Hat style distros.