diff --git a/libs/gui/Android.bp b/libs/gui/Android.bp
new file mode 100644
index 0000000..8e8bb80
--- /dev/null
+++ b/libs/gui/Android.bp
@@ -0,0 +1,111 @@
+// Copyright 2010 The Android Open Source Project
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+cc_library_shared {
+    name: "libgui",
+
+    clang: true,
+    cppflags: [
+        "-Weverything",
+        "-Werror",
+
+        // The static constructors and destructors in this library have not been noted to
+        // introduce significant overheads
+        "-Wno-exit-time-destructors",
+        "-Wno-global-constructors",
+
+        // We only care about compiling as C++14
+        "-Wno-c++98-compat-pedantic",
+
+        // We don't need to enumerate every case in a switch as long as a default case
+        // is present
+        "-Wno-switch-enum",
+
+        // Allow calling variadic macros without a __VA_ARGS__ list
+        "-Wno-gnu-zero-variadic-macro-arguments",
+
+        // Don't warn about struct padding
+        "-Wno-padded",
+
+        // android/sensors.h uses nested anonymous unions and anonymous structs
+        "-Wno-nested-anon-types",
+        "-Wno-gnu-anonymous-struct",
+
+        "-DDEBUG_ONLY_CODE=0",
+    ],
+
+    product_variables: {
+        brillo: {
+            cflags: ["-DHAVE_NO_SURFACE_FLINGER"],
+        },
+        debuggable: {
+            cppflags: [
+                "-UDEBUG_ONLY_CODE",
+                "-DDEBUG_ONLY_CODE=1",
+            ],
+        },
+    },
+
+    srcs: [
+        "IGraphicBufferConsumer.cpp",
+        "IConsumerListener.cpp",
+        "BitTube.cpp",
+        "BufferItem.cpp",
+        "BufferItemConsumer.cpp",
+        "BufferQueue.cpp",
+        "BufferQueueConsumer.cpp",
+        "BufferQueueCore.cpp",
+        "BufferQueueProducer.cpp",
+        "BufferSlot.cpp",
+        "ConsumerBase.cpp",
+        "CpuConsumer.cpp",
+        "DisplayEventReceiver.cpp",
+        "GLConsumer.cpp",
+        "GraphicBufferAlloc.cpp",
+        "GuiConfig.cpp",
+        "IDisplayEventConnection.cpp",
+        "IGraphicBufferAlloc.cpp",
+        "IGraphicBufferProducer.cpp",
+        "IProducerListener.cpp",
+        "ISensorEventConnection.cpp",
+        "ISensorServer.cpp",
+        "ISurfaceComposer.cpp",
+        "ISurfaceComposerClient.cpp",
+        "LayerState.cpp",
+        "OccupancyTracker.cpp",
+        "Sensor.cpp",
+        "SensorEventQueue.cpp",
+        "SensorManager.cpp",
+        "StreamSplitter.cpp",
+        "Surface.cpp",
+        "SurfaceControl.cpp",
+        "SurfaceComposerClient.cpp",
+        "SyncFeatures.cpp",
+    ],
+
+    shared_libs: [
+        "libbinder",
+        "libcutils",
+        "libEGL",
+        "libGLESv2",
+        "libsync",
+        "libui",
+        "libutils",
+        "liblog",
+    ],
+
+    export_shared_lib_headers: ["libbinder"],
+}
+
+subdirs = ["tests"]
diff --git a/libs/gui/Android.mk b/libs/gui/Android.mk
deleted file mode 100644
index 8371e9b..0000000
--- a/libs/gui/Android.mk
+++ /dev/null
@@ -1,109 +0,0 @@
-# Copyright 2010 The Android Open Source Project
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-LOCAL_PATH := $(call my-dir)
-include $(CLEAR_VARS)
-
-LOCAL_CLANG := true
-LOCAL_CPPFLAGS := -Weverything -Werror
-
-# The static constructors and destructors in this library have not been noted to
-# introduce significant overheads
-LOCAL_CPPFLAGS += -Wno-exit-time-destructors
-LOCAL_CPPFLAGS += -Wno-global-constructors
-
-# We only care about compiling as C++14
-LOCAL_CPPFLAGS += -Wno-c++98-compat-pedantic
-
-# We don't need to enumerate every case in a switch as long as a default case
-# is present
-LOCAL_CPPFLAGS += -Wno-switch-enum
-
-# Allow calling variadic macros without a __VA_ARGS__ list
-LOCAL_CPPFLAGS += -Wno-gnu-zero-variadic-macro-arguments
-
-# Don't warn about struct padding
-LOCAL_CPPFLAGS += -Wno-padded
-
-# android/sensors.h uses nested anonymous unions and anonymous structs
-LOCAL_CPPFLAGS += -Wno-nested-anon-types -Wno-gnu-anonymous-struct
-
-LOCAL_CPPFLAGS += -DDEBUG_ONLY_CODE=$(if $(filter userdebug eng,$(TARGET_BUILD_VARIANT)),1,0)
-
-LOCAL_SRC_FILES := \
-	IGraphicBufferConsumer.cpp \
-	IConsumerListener.cpp \
-	BitTube.cpp \
-	BufferItem.cpp \
-	BufferItemConsumer.cpp \
-	BufferQueue.cpp \
-	BufferQueueConsumer.cpp \
-	BufferQueueCore.cpp \
-	BufferQueueProducer.cpp \
-	BufferSlot.cpp \
-	ConsumerBase.cpp \
-	CpuConsumer.cpp \
-	DisplayEventReceiver.cpp \
-	GLConsumer.cpp \
-	GraphicBufferAlloc.cpp \
-	GuiConfig.cpp \
-	IDisplayEventConnection.cpp \
-	IGraphicBufferAlloc.cpp \
-	IGraphicBufferProducer.cpp \
-	IProducerListener.cpp \
-	ISensorEventConnection.cpp \
-	ISensorServer.cpp \
-	ISurfaceComposer.cpp \
-	ISurfaceComposerClient.cpp \
-	LayerState.cpp \
-	OccupancyTracker.cpp \
-	Sensor.cpp \
-	SensorEventQueue.cpp \
-	SensorManager.cpp \
-	StreamSplitter.cpp \
-	Surface.cpp \
-	SurfaceControl.cpp \
-	SurfaceComposerClient.cpp \
-	SyncFeatures.cpp \
-
-LOCAL_SHARED_LIBRARIES := \
-	libbinder \
-	libcutils \
-	libEGL \
-	libGLESv2 \
-	libsync \
-	libui \
-	libutils \
-	liblog
-
-LOCAL_EXPORT_SHARED_LIBRARY_HEADERS := libbinder
-
-LOCAL_MODULE := libgui
-
-ifeq ($(TARGET_BOARD_PLATFORM), tegra)
-	LOCAL_CFLAGS += -DDONT_USE_FENCE_SYNC
-endif
-ifeq ($(TARGET_BOARD_PLATFORM), tegra3)
-	LOCAL_CFLAGS += -DDONT_USE_FENCE_SYNC
-endif
-
-ifeq ($(TARGET_BOARD_HAS_NO_SURFACE_FLINGER), true)
-	LOCAL_CFLAGS += -DHAVE_NO_SURFACE_FLINGER
-endif
-
-include $(BUILD_SHARED_LIBRARY)
-
-ifeq (,$(ONE_SHOT_MAKEFILE))
-include $(call first-makefiles-under,$(LOCAL_PATH))
-endif
diff --git a/libs/gui/tests/Android.bp b/libs/gui/tests/Android.bp
new file mode 100644
index 0000000..3c7958f
--- /dev/null
+++ b/libs/gui/tests/Android.bp
@@ -0,0 +1,42 @@
+// Build the unit tests,
+
+// Build the binary to $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+// to integrate with auto-test framework.
+cc_test {
+    name: "libgui_test",
+
+    clang: true,
+
+    srcs: [
+        "BufferQueue_test.cpp",
+        "CpuConsumer_test.cpp",
+        "FillBuffer.cpp",
+        "GLTest.cpp",
+        "IGraphicBufferProducer_test.cpp",
+        "MultiTextureConsumer_test.cpp",
+        "Sensor_test.cpp",
+        "SRGB_test.cpp",
+        "StreamSplitter_test.cpp",
+        "SurfaceTextureClient_test.cpp",
+        "SurfaceTextureFBO_test.cpp",
+        "SurfaceTextureGLThreadToGL_test.cpp",
+        "SurfaceTextureGLToGL_test.cpp",
+        "SurfaceTextureGL_test.cpp",
+        "SurfaceTextureMultiContextGL_test.cpp",
+        "Surface_test.cpp",
+        "TextureRenderer.cpp",
+    ],
+
+    shared_libs: [
+        "liblog",
+        "libEGL",
+        "libGLESv1_CM",
+        "libGLESv2",
+        "libbinder",
+        "libcutils",
+        "libgui",
+        "libsync",
+        "libui",
+        "libutils",
+    ],
+}
diff --git a/libs/gui/tests/Android.mk b/libs/gui/tests/Android.mk
deleted file mode 100644
index efae7f6..0000000
--- a/libs/gui/tests/Android.mk
+++ /dev/null
@@ -1,54 +0,0 @@
-# Build the unit tests,
-LOCAL_PATH:= $(call my-dir)
-include $(CLEAR_VARS)
-LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
-
-LOCAL_CLANG := true
-
-LOCAL_MODULE := libgui_test
-
-LOCAL_MODULE_TAGS := tests
-
-LOCAL_SRC_FILES := \
-    BufferQueue_test.cpp \
-    CpuConsumer_test.cpp \
-    FillBuffer.cpp \
-    GLTest.cpp \
-    IGraphicBufferProducer_test.cpp \
-    MultiTextureConsumer_test.cpp \
-    Sensor_test.cpp \
-    SRGB_test.cpp \
-    StreamSplitter_test.cpp \
-    SurfaceTextureClient_test.cpp \
-    SurfaceTextureFBO_test.cpp \
-    SurfaceTextureGLThreadToGL_test.cpp \
-    SurfaceTextureGLToGL_test.cpp \
-    SurfaceTextureGL_test.cpp \
-    SurfaceTextureMultiContextGL_test.cpp \
-    Surface_test.cpp \
-    TextureRenderer.cpp \
-
-LOCAL_SHARED_LIBRARIES := \
-	liblog \
-	libEGL \
-	libGLESv1_CM \
-	libGLESv2 \
-	libbinder \
-	libcutils \
-	libgui \
-	libsync \
-	libui \
-	libutils \
-
-# Build the binary to $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
-# to integrate with auto-test framework.
-include $(BUILD_NATIVE_TEST)
-
-# Include subdirectory makefiles
-# ============================================================
-
-# If we're building with ONE_SHOT_MAKEFILE (mm, mmm), then what the framework
-# team really wants is to build the stuff defined by this makefile.
-ifeq (,$(ONE_SHOT_MAKEFILE))
-include $(call first-makefiles-under,$(LOCAL_PATH))
-endif