Attempt #2: libclcore.bc comes from prebuilts/sdk for unbundled projects.

This change also adds the NDK library path for unbundled builds.

Bug: 7419958
Change-Id: Id8b608b5dd49d72bec697da8fa7a9393d2ab735f
diff --git a/core/definitions.mk b/core/definitions.mk
index c91220d..cb20d8f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -827,7 +827,8 @@
 	$(dir $@)/$(notdir $(<:.bc=.o)) \
 	$(PRIVATE_COMPILER_RT) \
 	-o $@ -L prebuilts/gcc/ \
-	-L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) -lRSSupport -lm
+	-L $(TARGET_OUT_INTERMEDIATE_LIBRARIES) $(PRIVATE_LIBPATH) \
+	-lRSSupport -lm
 endef
 
 ###########################################################
diff --git a/core/java.mk b/core/java.mk
index d498ab7..427a30c 100644
--- a/core/java.mk
+++ b/core/java.mk
@@ -206,10 +206,17 @@
 
 $(rs_generated_bc) : $(RenderScript_file_stamp)
 
+ifeq (,$(TARGET_BUILD_APPS))
 rs_built_clcore := $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libclcore.bc_intermediates/libclcore.bc
+rs_extra_libpath :=
+rs_compiler_rt := $(call intermediates-dir-for,STATIC_LIBRARIES,libcompiler-rt)/libcompiler-rt.a
+else
+rs_built_clcore := prebuilts/sdk/renderscript/lib/libclcore.bc
+rs_extra_libpath := -L prebuilts/ndk/8/platforms/android-9/arch-arm/usr/lib
+rs_compiler_rt := prebuilts/sdk/renderscript/lib/libcompiler-rt.a
+endif # TARGET_BUILD_APPS
 rs_support_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/libRSSupport.so
 rs_jni_lib := $(TARGET_OUT_INTERMEDIATE_LIBRARIES)/librsjni.so
-rs_compiler_rt := $(call intermediates-dir-for,STATIC_LIBRARIES,libcompiler-rt)/libcompiler-rt.a
 LOCAL_JNI_SHARED_LIBRARIES += libRSSupport librsjni
 
 $(rs_compatibility_jni_libs): $(RenderScript_file_stamp)
@@ -218,6 +225,7 @@
 $(rs_compatibility_jni_libs): PRIVATE_CXX := $(TARGET_CXX)
 $(rs_compatibility_jni_libs): PRIVATE_LIBCLCORE := $(rs_built_clcore)
 $(rs_compatibility_jni_libs): PRIVATE_COMPILER_RT := $(rs_compiler_rt)
+$(rs_compatibility_jni_libs): PRIVATE_LIBPATH := $(rs_extra_libpath)
 $(rs_compatibility_jni_libs): $(renderscript_intermediate)/lib%.so: \
     $(renderscript_intermediate)/res/raw/%.bc
 	$(transform-bc-to-so)