* Paul Menzel wrote: > Dear OE folks, > > > task compile of `systemd_git.bb` fails with the following error message > using `minimal-uclibc` for `MACHINE = "beagleboard"`. Using `minimal`, > i. e. EGLIBC, works. > > […] > | CC src/libsystemd_core_la-manager.lo > | src/manager.c: In function 'manager_new': > | src/manager.c:257:9: warning: implicit declaration of function > 'epoll_create1' [-Wimplicit-function-declaration] > | src/manager.c:257:42: error: 'EPOLL_CLOEXEC' undeclared (first use > in this function) > | src/manager.c:257:42: note: each undeclared identifier is reported > only once for each function it appears in > | src/manager.c: In function 'manager_process_notify_fd': > | src/manager.c:1956:25: warning: cast increases required alignment > of target type [-Wcast-align] > […] > > `manager.c` includes > > #include <sys/epoll.h> > #include <fcntl.h> > > which I read should contain that definition. But looking at `fcntl.h` I > could not find it. I then looked in > > > ./minimal-uclibc-dev/sysroots/armv7a-oe-linux-uclibceabi/usr/include/sys/epoll.h > > where it is defined for EGLIBC but not for uClibc. I also found the > patch for uClibc [1] but there `EPOLL_CLOEXEC` is enclosed in `#if 0`. > > I am no uClibc expert, but do you know if uClibc will provide > `EPOLL_CLOEXEC` in the near future? How should systemd fix that?
uClibc is also missing an implementation of the epoll_create1() syscall. I'm using a patch against uClibc to fix a similar issue in udev but haven't gotten around to sending it upstream yet. Thierry
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