In file included from gen_uuid.c:46:
In file included from /usr/include/stdio.h:27:
In file included from /usr/include/x86_64-linux-gnu/bits/libc-header-start.h:33:
/usr/include/features.h:185:3: warning: "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE" [-W#warnings]
# warning "_BSD_SOURCE and _SVID_SOURCE are deprecated, use _DEFAULT_SOURCE"
  ^
gen_uuid.c:297:10: warning: implicit declaration of function 'flock' is invalid in C99 [-Wimplicit-function-declaration]
                while (flock(state_fd, LOCK_EX) < 0) {
                       ^
gen_uuid.c:369:3: warning: implicit declaration of function 'flock' is invalid in C99 [-Wimplicit-function-declaration]
                flock(state_fd, LOCK_UN);
                ^
3 warnings generated.
randutils.c:41:2: warning: implicit declaration of function 'gettimeofday' is invalid in C99 [-Wimplicit-function-declaration]
        gettimeofday(&tv, 0);
        ^
1 warning generated.
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY