# # Makefile for dmabuf exporter implementations # ifdef CONFIG_ION obj-$(CONFIG_VHA) += dmabuf_exporter_ion.o dmabuf_exporter_ion-objs := de_common.o de_heap_ion.o dmabuf_exporter_ion-objs += de_heap_ion_example.o # detect ION header in Linux Kernel tree # srctree is needed here for kernels built with separate object dir (O=) ifneq ($(wildcard $(srctree)/include/linux/ion.h),) # some kernel trees have this non-standard path ccflags-y += -DIMG_KERNEL_ION_HEADER="" else # this is the default location # the vanilla linux kernel does not export ion.h to include/linux # adding -I to the entire directory would expose many internal header files # so we use this somewhat ugly hack to use only this one with full path # realpath is needed to expand full path, some kernel trees set srctree to . ccflags-y += -DIMG_KERNEL_ION_HEADER="<$(realpath $(srctree))/drivers/staging/android/ion/ion.h>" ccflags-y += -DIMG_KERNEL_ION_PRIV_HEADER="<$(realpath $(srctree))/drivers/staging/android/ion/ion_priv.h>" endif endif ifdef CONFIG_DMA_SHARED_BUFFER obj-$(CONFIG_VHA) += dmabuf_exporter_coherent.o dmabuf_exporter_coherent-objs := de_common.o de_heap_coherent.o obj-$(CONFIG_VHA) += dmabuf_exporter_noncoherent.o dmabuf_exporter_noncoherent-objs := de_common.o de_heap_noncoherent.o endif ifdef CONFIG_GENERIC_ALLOCATOR obj-$(CONFIG_VHA) += dmabuf_exporter_carveout.o dmabuf_exporter_carveout-objs := de_common.o de_heap_carveout.o endif