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meson: -display dbus and CFI are incompatible

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The generated skeletons for DBus call the finalize method of the parent
type using code like

    G_OBJECT_CLASS (qemu_dbus_display1_chardev_skeleton_parent_class)->finalize (object);

However, the finalize method is defined in a shared library that is not
compiled with CFI.  Do not enable anything that uses gdbus-codegen if
--enable-cfi was specified.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2022-09-30 09:53:02 +02:00
parent 0e902f59c1
commit bb2dc4b73a
1 changed files with 6 additions and 1 deletions
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7
meson.build
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@ -487,6 +487,7 @@ meson.override_dependency('glib-2.0', glib)
gio = not_found
gdbus_codegen = not_found
gdbus_codegen_error = '@0@ requires gdbus-codegen, please install libgio'
if not get_option('gio').auto() or have_system
gio = dependency('gio-2.0', required: get_option('gio'),
method: 'pkg-config', kwargs: static_kwargs)
@ -511,6 +512,10 @@ if not get_option('gio').auto() or have_system
version: gio.version())
endif
endif
if gdbus_codegen.found() and get_option('cfi')
gdbus_codegen = not_found
gdbus_codegen_error = '@0@ uses gdbus-codegen, which does not support control flow integrity'
endif
lttng = not_found
if 'ust' in get_option('trace_backends')
@ -1676,7 +1681,7 @@ dbus_display = get_option('dbus_display') \
.require(enable_modules,
error_message: '-display dbus requires --enable-modules') \
.require(gdbus_codegen.found(),
error_message: '-display dbus requires gdbus-codegen') \
error_message: gdbus_codegen_error.format('-display dbus')) \
.require(opengl.found() and gbm.found(),
error_message: '-display dbus requires epoxy/egl and gbm') \
.allowed()