Merge "Add utiltest target to Makefile."
diff --git a/build/make/Makefile b/build/make/Makefile
index 0c5ff64..03dacce 100644
--- a/build/make/Makefile
+++ b/build/make/Makefile
@@ -22,6 +22,7 @@
 install:: .DEFAULT
 test:: .DEFAULT
 testdata:: .DEFAULT
+utiltest: .DEFAULT
 
 
 # Note: md5sum is not installed on OS X, but openssl is. Openssl may not be
@@ -52,8 +53,6 @@
                 | sed -e 's/MD5(\(.*\))= \([0-9a-f]\{32\}\)/\2  \1/' \
                 > md5sums.txt;\
         fi
-
-
 endif
 
 ifneq ($(target),)
@@ -112,6 +111,8 @@
 test::
 .PHONY: testdata
 testdata::
+.PHONY: utiltest
+utiltest:
 
 # Add compiler flags for intrinsic files
 $(BUILD_PFX)%_mmx.c.d: CFLAGS += -mmmx
diff --git a/libs.mk b/libs.mk
index a5c4b76..85c5f8a 100644
--- a/libs.mk
+++ b/libs.mk
@@ -531,3 +531,28 @@
 
 ## Update the global src list
 SRCS += $(CODEC_SRCS) $(LIBVPX_TEST_SRCS) $(GTEST_SRCS)
+
+##
+## vpxdec/vpxenc tests.
+##
+ifeq ($(CONFIG_UNIT_TESTS),yes)
+TEST_BIN_PATH = .
+ifeq ($(CONFIG_MSVS),yes)
+# MSVC will build both Debug and Release configurations of tools in a
+# sub directory named for the current target. Assume the user wants to
+# run the Release tools, and assign TEST_BIN_PATH accordingly.
+# TODO(tomfinegan): Is this adequate for ARM?
+# TODO(tomfinegan): Support running the debug versions of tools?
+TEST_BIN_PATH := $(addsuffix /$(TGT_OS:win64=x64)/Release, $(TEST_BIN_PATH))
+endif
+utiltest: testdata
+	$(qexec)$(SRC_PATH_BARE)/test/vpxdec.sh \
+		--test-data-path $(LIBVPX_TEST_DATA_PATH) \
+		--bin-path $(TEST_BIN_PATH)
+	$(qexec)$(SRC_PATH_BARE)/test/vpxenc.sh \
+		--test-data-path $(LIBVPX_TEST_DATA_PATH) \
+		--bin-path $(TEST_BIN_PATH)
+else
+utiltest:
+	@echo Unit tests must be enabled to make the utiltest target.
+endif