Re: [Xen-devel] [PATCH 0/9] xen: build fixes with gcc5 and binutils 2.25.0

["Luis R. Rodriguez" <mcgrof@xxxxxxxx>]

On Tue, Feb 9, 2016 at 8:39 AM, Ian Campbell <ian.campbell@xxxxxxxxxx> wrote:
>> And then:
>>
>> === PCI passthrough capability has been enabled ===
>>   CC    qemu-nbd.o
>> In file included from ./xen-config-host.h:19:0,
>>                  from ./config-host.h:18,
>>                  from ./qemu-common.h:33,
>>                  from qemu-nbd.c:20:
>> /usr/local/include/xenctrl.h:1229:9: error: unknown type name 
>> âxen_sysctl_topologyinfo_tâ
>>  typedef xen_sysctl_topologyinfo_t xc_topologyinfo_t;
>
> If this was building from xen.git then the problem would appear to be that
> it is picking up headers from /usr/local instead of the ones from in tree
> (i.e. the libraries its just built).

All the stuff in /usr/local was Xen related, so I rm -rf'd it, then
started a fresh build. It now fails with the following on a debian
testing with all the packages updated to today's latest.

make[4]: Entering directory
'/home/mcgrof/devel/xen/tools/qemu-xen-traditional-dir-remote'
=== PCI passthrough capability has been enabled ===
  CC    qemu-nbd.o
  CC    qemu-tool.o
  CC    osdep.o
  CC    cutils.o
In file included from config-host.h:20:0,
                 from osdep.c:25:
xen-config-host.h:19:21: fatal error: xenctrl.h: No such file or directory
compilation terminated.

If I just cd into that directory (tools/qemu-xen-traditional-dir/),
run ./configure and build it fails with:

mcgrof@garbanzo ~/devel/xen/tools/qemu-xen-traditional-dir (git::dummy)$ make
  LINK  qemu-nbd
  LINK  qemu-img
  CC    net.o
In file included from net.c:104:0:
/home/mcgrof/devel/xen/tools/qemu-xen-traditional-dir/slirp/libslirp.h:8:1:
error: invalid use of ârestrictâ
 void slirp_init(int restrict, char *special_ip);
 ^
/home/mcgrof/devel/xen/tools/qemu-xen-traditional-dir/slirp/libslirp.h:8:1:
error: invalid use of ârestrictâ
net.c: In function ânet_tap_shutdown_allâ:
net.c:1992:37: warning: unused variable âiohâ [-Wunused-variable]
     struct IOHandlerRecord **pioh, *ioh;
                                     ^
net.c:1992:30: warning: unused variable âpiohâ [-Wunused-variable]
     struct IOHandlerRecord **pioh, *ioh;
                              ^
/home/mcgrof/devel/xen/tools/qemu-xen-traditional-dir/rules.mak:3:
recipe for target 'net.o' failed
make: *** [net.o] Error 1

I can probably fix this but if people are considering upgrading --
well my effort is pointless. The above seem to be related to gcc
upgrade. How is it only I'm running into this?

If I git clean -f -x -d, cd to the main home dir of xen, then git
clean -f -x -d, then ./configure and a fresh make world it fails on
the same failure on not finding xenctrl.h again.

:(

 Luis

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