Hi Jens, The four patches in this series optimize i386 memory barriers and fix the 32-bit liburing build. Please consider these patches for the official liburing repository. Thanks, Bart. Bart Van Assche (4): Makefiles: Support specifying CFLAGS on the command line Fix the 32-bit build Change __x86_64 into __x86_64__ Optimize i386 memory barriers examples/Makefile | 3 ++- src/Makefile | 2 +- src/barrier.h | 24 ++++++++---------------- test/Makefile | 3 ++- test/io_uring_register.c | 11 ++++++----- test/send_recvmsg.c | 4 ++-- 6 files changed, 21 insertions(+), 26 deletions(-) -- 2.22.0.410.gd8fdbe21b5-goog