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[Qemu-devel] [Bug 1531632] [NEW] Can't compile qemu because of errors in

From: Leo
Subject: [Qemu-devel] [Bug 1531632] [NEW] Can't compile qemu because of errors in the Xen code
Date: Wed, 06 Jan 2016 22:03:39 -0000 
Public bug reported:

I'm using Arch Linux, with all needed libs packages installed via ABS (compiled 
from source).
I tried to clone the master repository, the v2.5.0 and the stable-2.4.0, all I 
had the same problems:

First I have to disable -Werror, because it claims about some
uninitialized variables.

Trying to compile the code, it stops when compiling the xen code
(hw/block/xendisk.o), complaining that ioservid_t is declared twice,
first as 16bit and then as 32bit.

Output of make:

  CC    hw/block/xen_disk.o
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types for 
‘ioservid_t’
 typedef uint16_t ioservid_t;
                  ^
In file included from /usr/include/xenctrl.h:37:0,
                 from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                 from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
 typedef uint32_t ioservid_t;
                  ^
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: ‘HVM_PARAM_IOREQ_PFN’ 
undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                    ^
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                    ^
/home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
make: *** [hw/block/xen_disk.o] Error 1
address@hidden build]$ make
  CC    hw/block/xen_disk.o
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types for 
‘ioservid_t’
 typedef uint16_t ioservid_t;
                  ^
In file included from /usr/include/xenctrl.h:37:0,
                 from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                 from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
 typedef uint32_t ioservid_t;
                  ^
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: ‘HVM_PARAM_IOREQ_PFN’ 
undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                    ^
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                    ^
/home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
make: *** [hw/block/xen_disk.o] Error 1
address@hidden build]$ make
  CC    hw/block/xen_disk.o
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types for 
‘ioservid_t’
 typedef uint16_t ioservid_t;
                  ^
In file included from /usr/include/xenctrl.h:37:0,
                 from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                 from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
 typedef uint32_t ioservid_t;
                  ^
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: ‘HVM_PARAM_IOREQ_PFN’ 
undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                    ^
/home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                 from /home/leo/qemu/hw/block/xen_disk.c:39:
/home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
     rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                    ^
/home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
make: *** [hw/block/xen_disk.o] Error 1

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1531632

Title:
  Can't compile qemu because of errors in the Xen code

Status in QEMU:
  New

Bug description:
  I'm using Arch Linux, with all needed libs packages installed via ABS 
(compiled from source).
  I tried to clone the master repository, the v2.5.0 and the stable-2.4.0, all 
I had the same problems:

  First I have to disable -Werror, because it claims about some
  uninitialized variables.

  Trying to compile the code, it stops when compiling the xen code
  (hw/block/xendisk.o), complaining that ioservid_t is declared twice,
  first as 16bit and then as 32bit.

  Output of make:

    CC    hw/block/xen_disk.o
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types 
for ‘ioservid_t’
   typedef uint16_t ioservid_t;
                    ^
  In file included from /usr/include/xenctrl.h:37:0,
                   from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                   from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
   typedef uint32_t ioservid_t;
                    ^
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: 
‘HVM_PARAM_IOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
  make: *** [hw/block/xen_disk.o] Error 1
  address@hidden build]$ make
    CC    hw/block/xen_disk.o
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types 
for ‘ioservid_t’
   typedef uint16_t ioservid_t;
                    ^
  In file included from /usr/include/xenctrl.h:37:0,
                   from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                   from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
   typedef uint32_t ioservid_t;
                    ^
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: 
‘HVM_PARAM_IOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
  make: *** [hw/block/xen_disk.o] Error 1
  address@hidden build]$ make
    CC    hw/block/xen_disk.o
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:198:18: error: conflicting types 
for ‘ioservid_t’
   typedef uint16_t ioservid_t;
                    ^
  In file included from /usr/include/xenctrl.h:37:0,
                   from /home/leo/qemu/include/hw/xen/xen_common.h:9,
                   from /home/leo/qemu/include/hw/xen/xen_backend.h:4,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /usr/include/xen/xen.h:353:18: note: previous declaration of ‘ioservid_t’ was 
here
   typedef uint32_t ioservid_t;
                    ^
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h: In function 
‘xen_get_ioreq_server_info’:
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: error: 
‘HVM_PARAM_IOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_IOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/include/hw/xen/xen_common.h:256:36: note: each undeclared 
identifier is reported only once for each function it appears in
  In file included from /home/leo/qemu/include/hw/xen/xen_backend.h:4:0,
                   from /home/leo/qemu/hw/block/xen_disk.c:39:
  /home/leo/qemu/include/hw/xen/xen_common.h:264:36: error: 
‘HVM_PARAM_BUFIOREQ_PFN’ undeclared (first use in this function)
       rc = xc_get_hvm_param(xc, dom, HVM_PARAM_BUFIOREQ_PFN, &param);
                                      ^
  /home/leo/qemu/rules.mak:57: recipe for target 'hw/block/xen_disk.o' failed
  make: *** [hw/block/xen_disk.o] Error 1

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