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qemu build error with latest kernel headers due to net: socket: implement 64-bit timestamps

Message ID af0eb47a-5b98-1bd9-3e8d-652e7f28b01f@de.ibm.com
State New
Headers show
Series qemu build error with latest kernel headers due to net: socket: implement 64-bit timestamps | expand

Commit Message

Christian Borntraeger June 3, 2019, 5:23 p.m. UTC 
Arnd,

with kernel headers from the latest kernel QEMU fails to build if the user run
configure with --target-list=s390x-linux-user:

when the kernel has commit 0768e17073dc527ccd18ed5f96ce85f9985e9115
    net: socket: implement 64-bit timestamps 



/root/rpmbuild/BUILD/qemu-4.0.50/linux-user/ioctls.h:222:9: error: 'SIOCGSTAMP' undeclared here (not in a function); did you mean 'SIOCSRARP'?
  222 |   IOCTL(SIOCGSTAMP, IOC_R, MK_PTR(MK_STRUCT(STRUCT_timeval)))
      |         ^~~~~~~~~~

It seems that qemu build relies on SIOCGSTAMP to be present via sys/socket.h.

Adding this patch to qemu helps.


But it is also a change in behavior of the kernel headers. (but only for programs that
use sys/socket.h instead of linux/sockios.h.
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Patch

diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index efa3ec2837..7332be9b06 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -34,6 +34,7 @@ 
 #include <sys/resource.h>
 #include <sys/swap.h>
 #include <linux/capability.h>
+#include <linux/sockios.h>
 #include <sched.h>
 #include <sys/timex.h>
 #include <sys/socket.h>