[Qemu-devel] [Bug 1793183] Re: apt source --compile qemu-system-x86 fails on last ubuntu 18.04.1

[Dmitry Isaykin]

** Patch added: "fix-memfd-conflict.patch"
   
https://bugs.launchpad.net/qemu/+bug/1793183/+attachment/5190282/+files/fix-memfd-conflict.patch

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https://bugs.launchpad.net/bugs/1793183

Title:
  apt source --compile qemu-system-x86 fails on last ubuntu 18.04.1

Status in QEMU:
  New

Bug description:
  Error log:

  /tmp/qemu-2.10+dfsg/util/memfd.c:40:12: error: static declaration of 
‘memfd_create’ follows non-static declaration
   static int memfd_create(const char *name, unsigned int flags)
              ^~~~~~~~~~~~
  In file included from /usr/include/x86_64-linux-gnu/bits/mman-linux.h:115:0,
                   from /usr/include/x86_64-linux-gnu/bits/mman.h:45,
                   from /usr/include/x86_64-linux-gnu/sys/mman.h:41,
                   from /tmp/qemu-2.10+dfsg/include/sysemu/os-posix.h:29,
                   from /tmp/qemu-2.10+dfsg/include/qemu/osdep.h:104,
                   from /tmp/qemu-2.10+dfsg/util/memfd.c:28:
  /usr/include/x86_64-linux-gnu/bits/mman-shared.h:46:5: note: previous 
declaration of ‘memfd_create’ was here
   int memfd_create (const char *__name, unsigned int __flags) __THROW;
       ^~~~~~~~~~~~
  /tmp/qemu-2.10+dfsg/rules.mak:66: recipe for target 'util/memfd.o' failed
  make[1]: *** [util/memfd.o] Error 1
  make[1]: *** Waiting for unfinished jobs....
  make[1]: Leaving directory '/tmp/qemu-2.10+dfsg/qemu-build'
  debian/rules:121: recipe for target 'build-stamp' failed
  make: *** [build-stamp] Error 2
  dpkg-buildpackage: error: debian/rules build subprocess returned exit status 2

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