$ make check-build
make --quiet --no-print-directory all-recursive
Making all in include
Making all in src
Making all in .
  CC       libseccomp_la-api.lo
  CC       libseccomp_la-system.lo
In file included from system.c:29:0:
system.h:201:15: warning: ‘struct seccomp_notif_resp’ declared inside parameter list will not be visible outside of this definition or declaration
        struct seccomp_notif_resp **resp);
               ^~~~~~~~~~~~~~~~~~
system.h:200:29: warning: ‘struct seccomp_notif’ declared inside parameter list will not be visible outside of this definition or declaration
 int sys_notify_alloc(struct seccomp_notif **req,
                             ^~~~~~~~~~~~~
system.h:202:39: warning: ‘struct seccomp_notif’ declared inside parameter list will not be visible outside of this definition or declaration
 int sys_notify_receive(int fd, struct seccomp_notif *req);
                                       ^~~~~~~~~~~~~
system.h:203:39: warning: ‘struct seccomp_notif_resp’ declared inside parameter list will not be visible outside of this definition or declaration
 int sys_notify_respond(int fd, struct seccomp_notif_resp *resp);
                                       ^~~~~~~~~~~~~~~~~~
system.c:472:5: error: conflicting types for ‘sys_notify_alloc’
 int sys_notify_alloc(struct seccomp_notif **req,
     ^~~~~~~~~~~~~~~~
In file included from system.c:29:0:
system.h:200:5: note: previous declaration of ‘sys_notify_alloc’ was here
 int sys_notify_alloc(struct seccomp_notif **req,
     ^~~~~~~~~~~~~~~~
system.c:517:5: error: conflicting types for ‘sys_notify_receive’
 int sys_notify_receive(int fd, struct seccomp_notif *req)
     ^~~~~~~~~~~~~~~~~~
In file included from system.c:29:0:
system.h:202:5: note: previous declaration of ‘sys_notify_receive’ was here
 int sys_notify_receive(int fd, struct seccomp_notif *req);
     ^~~~~~~~~~~~~~~~~~
system.c:538:5: error: conflicting types for ‘sys_notify_respond’
 int sys_notify_respond(int fd, struct seccomp_notif_resp *resp)
     ^~~~~~~~~~~~~~~~~~
In file included from system.c:29:0:
system.h:203:5: note: previous declaration of ‘sys_notify_respond’ was here
 int sys_notify_respond(int fd, struct seccomp_notif_resp *resp);
     ^~~~~~~~~~~~~~~~~~
Makefile:686: recipe for target 'libseccomp_la-system.lo' failed
Makefile:887: recipe for target 'all-recursive' failed
Makefile:521: recipe for target 'all-recursive' failed
Makefile:430: recipe for target 'all' failed
make[3]: *** [libseccomp_la-system.lo] Error 1
make[2]: *** [all-recursive] Error 1
make[1]: *** [all-recursive] Error 1
make: *** [all] Error 2