Can you specify how to reproduce the issue ? We need more details about environment.
In my case, everything seems to work fine for the newest version of glib (2.68).
> qemu/osdep.h is quite special in that, despite being part of QEMU sources,
> it is included by C++ source files as well.
>
> disas/nanomips.cpp is doing so within an 'extern "C"' block, which breaks
> with latest glib due to the inclusion of templates in glib.h.
>
> These patches implement Daniel Berrangé's idea of pushing the 'extern "C"'
> block within glib.h and including system headers (including glib.h,
> and in fact QEMU's own glib-compat.h too) *outside* the block.
>
> (CI has not finished running yet, but it seems encouraging).
>
> Paolo
>
> Paolo Bonzini (2):
> osdep: include glib-compat.h before other QEMU headers
> osdep: protect qemu/osdep.h with extern "C"
>
> disas/nanomips.cpp | 2 +-
> include/qemu/compiler.h | 6 ++++++
> include/qemu/osdep.h | 13 +++++++++++--
> 3 files changed, 18 insertions(+), 3 deletions(-)
>
> --
> 2.30.1