diff --git a/configure.in b/configure.in
index ea1de980c..9847f165b 100644
--- a/configure.in
+++ b/configure.in
@@ -828,6 +828,7 @@ pixman/Makefile
 pixman/src/Makefile
 src/Makefile
 test/Makefile
+test/pdiff/Makefile
 perf/Makefile
 doc/Makefile
 doc/public/Makefile
diff --git a/test/pdiff/Makefile.am b/test/pdiff/Makefile.am
new file mode 100644
index 000000000..36bebd004
--- /dev/null
+++ b/test/pdiff/Makefile.am
@@ -0,0 +1,14 @@
+EXTRA_PROGRAMS = perceptualdiff
+
+perceptualdiff_SOURCES =	\
+	CompareArgs.cpp		\
+	CompareArgs.h		\
+	LPyramid.cpp		\
+	LPyramid.h		\
+	Metric.cpp		\
+	Metric.h		\
+	PerceptualDiff.cpp	\
+	RGBAImage.cpp		\
+	RGBAImage.h
+
+LDADD = $(top_builddir)/src/libcairo.la