diff -Nru stopmotion-0.8.5/debian/changelog stopmotion-0.8.5/debian/changelog
--- stopmotion-0.8.5/debian/changelog	2021-04-23 19:56:40.000000000 +0000
+++ stopmotion-0.8.5/debian/changelog	2021-04-26 08:01:22.000000000 +0000
@@ -1,3 +1,9 @@
+stopmotion (0.8.5-4) unstable; urgency=medium
+
+  * use pkg-config instead of obsolescent xml2-config (closes: #949501)
+
+ -- Barak A. Pearlmutter <bap@debian.org>  Mon, 26 Apr 2021 09:01:22 +0100
+
 stopmotion (0.8.5-3) unstable; urgency=medium
 
   * bump policy, no changes required
diff -Nru stopmotion-0.8.5/debian/patches/debian-changes stopmotion-0.8.5/debian/patches/debian-changes
--- stopmotion-0.8.5/debian/patches/debian-changes	2021-04-23 19:56:40.000000000 +0000
+++ stopmotion-0.8.5/debian/patches/debian-changes	2021-04-26 08:01:22.000000000 +0000
@@ -14,6 +14,29 @@
  			if (len2 == 0) {
  				return false;
  			}
+--- stopmotion-0.8.5.orig/src/test/test.pro
++++ stopmotion-0.8.5/src/test/test.pro
+@@ -99,7 +99,8 @@ SOURCES += \
+ FORMS +=
+ RESOURCES +=
+ INCLUDEPATH += ../.. \
+-    $$system(xml2-config --cflags | sed -e 's/-I//g')
++    $$system(pkg-config libxml-2.0 --cflags | sed -e 's/-I//g') \
++    $$system(pkg-config vorbisfile --cflags | sed -e 's/-I//g' )
+ oomteststub.target = oomteststub.o
+ oomteststub.commands = make -f oomtestutil.mak oomteststub.o
+ oomteststub.depends = oomteststub.cpp oomtestutil.h
+@@ -110,8 +111,8 @@ QMAKE_EXTRA_TARGETS += oomtestutil oomte
+ QMAKE_CLEAN += oomteststub.o oomtestutil.so
+ PRE_TARGETDEPS = oomteststub.o
+ LIBS += oomteststub.o -ldl \
+-	$$system(xml2-config --libs) \
+-	-ltar -lvorbisfile
++	$$system(pkg-config libxml-2.0 --libs) \
++	-ltar $$system(pkg-config vorbisfile --libs)
+ DESTDIR=.
+ release:OBJECTS_DIR=build/release
+ release:TARGET = test
 --- stopmotion-0.8.5.orig/src/test/testundo.cpp
 +++ stopmotion-0.8.5/src/test/testundo.cpp
 @@ -574,7 +574,7 @@ void testUndo(Executor& e, ModelTestHelp