[Bug 1878348] Re: --static build fails in v5.0 (since 5010cec2bc87dafab39b3913c8ca91f88df9c540)

[Christophe Lyon]

Right, after a make distclean + configure, I managed to complete the
build after installing libffi-dev libselinux1-dev.

However, I think there's a bug in configure: it should either complain
when these packages are missing, or disable the module that needs them.

Without libffi-dev and libselinux1-dev, the build fails with:
  LINK    x86_64-softmmu/qemu-system-x86_64
/usr/bin/ld: cannot find -lselinux
/usr/bin/ld: cannot find -lffi

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https://bugs.launchpad.net/bugs/1878348

Title:
  --static build fails in v5.0 (since
  5010cec2bc87dafab39b3913c8ca91f88df9c540)

Status in QEMU:
  New

Bug description:
  Hi,

  Since commit 5010cec2bc87dafab39b3913c8ca91f88df9c540, building qemu
  fails when configured with --static (eg ../configure --target-
  list=x86_64-softmmu,x86_64-linux-user --enable-debug --static).

  On ubuntu 16.04, it fails to find -lffi and -lselinux.

  After I apt-get install libffi-dev libselinux1-dev, the build still fails:
  ../backends/dbus-vmstate.o: In function 
`_nocheck__trace_dbus_vmstate_pre_save':
  /home/christophe.lyon/src/qemu/build-static/backends/trace.h:29: undefined 
reference to `_TRACE_DBUS_VMSTATE_PRE_SAVE_DSTATE'
  ../backends/dbus-vmstate.o: In function 
`_nocheck__trace_dbus_vmstate_post_load':
  /home/christophe.lyon/src/qemu/build-static/backends/trace.h:52: undefined 
reference to `_TRACE_DBUS_VMSTATE_POST_LOAD_DSTATE'
  ../backends/dbus-vmstate.o: In function 
`_nocheck__trace_dbus_vmstate_loading':
  /home/christophe.lyon/src/qemu/build-static/backends/trace.h:75: undefined 
reference to `_TRACE_DBUS_VMSTATE_LOADING_DSTATE'
  ../backends/dbus-vmstate.o: In function `_nocheck__trace_dbus_vmstate_saving':
  /home/christophe.lyon/src/qemu/build-static/backends/trace.h:98: undefined 
reference to `_TRACE_DBUS_VMSTATE_SAVING_DSTATE'
  collect2: error: ld returned 1 exit status

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