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From: "marcandre.lureau at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: libabigail@sourceware.org
Subject: [Bug default/27715] New: Fails to detect GObjectClass ABI changes
Date: Fri, 09 Apr 2021 17:05:50 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27715

            Bug ID: 27715
           Summary: Fails to detect GObjectClass ABI changes
           Product: libabigail
           Version: unspecified
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: default
          Assignee: dodji at redhat dot com
          Reporter: marcandre.lureau at gmail dot com
                CC: libabigail at sourceware dot org
  Target Milestone: ---

GObject (and other similar C object-oriented code) have class structures th=
at
should be checked for ABI breakage. However, abidiff fails to report the
change:


abidiff --headers-dir1 /tmp/old/usr/include/spice-client-glib-2.0
--headers-dir2 /tmp/new/usr/include/spice-client-glib-2.0  --fail-no-debug-=
info
--no-added-syms=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
/tmp/old/usr/lib64/libspice-client-glib-2.0.so.8.7.0
/tmp/new/usr/lib64/libspice-client-glib-2.0.so.8.7.0

diff -u /tmp/old/usr/include/spice-client-glib-2.0/spice-channel.h
/tmp/new/usr/include/spice-client-glib-2.0/spice-channel.h
--- /tmp/old/usr/include/spice-client-glib-2.0/spice-channel.h  2021-04-09
20:40:30.686290157 +0400
+++ /tmp/new/usr/include/spice-client-glib-2.0/spice-channel.h  2021-04-09
20:42:19.934229443 +0400
@@ -106,7 +106,6 @@

     /*< private >*/
     /* virtual method, any context */
-    gpointer deprecated;
     void (*channel_reset)(SpiceChannel *channel, gboolean migrating);
     gpointer deprecated2;


Supposedly more structures/types in the headers should be checked by default
(even if nothing explicitely depend on it).

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