Android: rework libelf dependencies

Add libelf as a library dependency rather than explicitly listing its
include paths. This should work for Android M and later which have the
necessary exported directories in libelf.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Emil Velikov <emil.velikov@collabora.com>

Android.common.mk

 ifeq ($(MESA_ENABLE_LLVM),true)
   ifeq ($(MESA_ANDROID_MAJOR_VERSION),6)
     LOCAL_CFLAGS += -DHAVE_LLVM=0x0307 -DMESA_LLVM_VERSION_PATCH=0
-    ELF_INCLUDES := external/elfutils/src/libelf
   endif
   ifeq ($(MESA_ANDROID_MAJOR_VERSION),7)
     LOCAL_CFLAGS += -DHAVE_LLVM=0x0308 -DMESA_LLVM_VERSION_PATCH=0
-    ELF_INCLUDES := external/elfutils/libelf
   endif
 endif
 

src/amd/Android.common.mk

 	$(MESA_TOP)/src/gallium/auxiliary \
 	$(intermediates)/common \
 	external/llvm/include \
-	external/llvm/device/include \
-	$(ELF_INCLUDES)
+	external/llvm/device/include
 
 LOCAL_EXPORT_C_INCLUDE_DIRS := \
 	$(LOCAL_PATH)/common
 	libLLVMCore \
 	libmesa_nir
 
+LOCAL_WHOLE_STATIC_LIBRARIES := \
+	libelf
+
 include $(MESA_COMMON_MK)
 include $(BUILD_STATIC_LIBRARY)

src/gallium/Android.common.mk

 ifeq ($(MESA_ENABLE_LLVM),true)
 LOCAL_C_INCLUDES += \
 	external/llvm/include \
-	external/llvm/device/include \
-	$(ELF_INCLUDES)
+	external/llvm/device/include
 endif
 
 include $(MESA_COMMON_MK)

src/gallium/targets/dri/Android.mk

 # sort GALLIUM_SHARED_LIBS to remove any duplicates
 LOCAL_SHARED_LIBRARIES += $(sort $(GALLIUM_SHARED_LIBS))
 
-LOCAL_STATIC_LIBRARIES :=
-
 ifeq ($(MESA_ENABLE_LLVM),true)
-LOCAL_STATIC_LIBRARIES += libelf
 LOCAL_LDLIBS += -lgcc
 endif