libkms: add Android build

Cc: Benjamin Gaignard <benjamin.gaignard@linaro.org>
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>

Android.mk

@@ -55,7 +55,8 @@ SUBDIRS := \
 	freedreno \
 	intel \
 	nouveau \
-	radeon
+	radeon \
+	libkms
 
 mkfiles := $(patsubst %,$(LIBDRM_TOP)/%/Android.mk,$(SUBDIRS))
 include $(mkfiles)

libkms/Android.mk

@@ -0,0 +1,53 @@
+DRM_GPU_DRIVERS := $(strip $(filter-out swrast, $(BOARD_GPU_DRIVERS)))
+
+intel_drivers := i915 i965 i915g ilo
+radeon_drivers := r300g r600g radeonsi
+nouveau_drivers := nouveau
+vmwgfx_drivers := vmwgfx
+
+valid_drivers := \
+	$(intel_drivers) \
+	$(radeon_drivers) \
+	$(nouveau_drivers) \
+	$(vmwgfx_drivers)
+
+# warn about invalid drivers
+invalid_drivers := $(filter-out $(valid_drivers), $(DRM_GPU_DRIVERS))
+ifneq ($(invalid_drivers),)
+$(warning invalid GPU drivers: $(invalid_drivers))
+# tidy up
+DRM_GPU_DRIVERS := $(filter-out $(invalid_drivers), $(DRM_GPU_DRIVERS))
+endif
+
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+include $(LOCAL_PATH)/Makefile.sources
+
+LOCAL_SRC_FILES := $(LIBKMS_FILES)
+
+ifneq ($(filter $(vmwgfx_drivers), $(DRM_GPU_DRIVERS)),)
+LOCAL_SRC_FILES += $(LIBKMS_VMWGFX_FILES)
+endif
+
+ifneq ($(filter $(intel_drivers), $(DRM_GPU_DRIVERS)),)
+LOCAL_SRC_FILES += $(LIBKMS_INTEL_FILES)
+endif
+
+ifneq ($(filter $(nouveau_drivers), $(DRM_GPU_DRIVERS)),)
+LOCAL_SRC_FILES += $(LIBKMS_NOUVEAU_FILES)
+endif
+
+ifneq ($(filter $(radeon_drivers), $(DRM_GPU_DRIVERS)),)
+LOCAL_SRC_FILES += $(LIBKMS_RADEON_FILES)
+endif
+
+LOCAL_MODULE := libkms
+LOCAL_SHARED_LIBRARIES := libdrm
+
+LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/libdrm
+
+LOCAL_COPY_HEADERS_TO := libdrm
+LOCAL_COPY_HEADERS := $(LIBKMS_H_FILES)
+
+include $(BUILD_SHARED_LIBRARY)