diff --git a/core/definitions.mk b/core/definitions.mk
index 45bb3f745..a44ffdb1f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1368,7 +1368,7 @@ define transform-o-to-shared-lib-inner
 $(hide) $(PRIVATE_CXX) \
 	-nostdlib -Wl,-soname,$(notdir $@) \
 	-Wl,--gc-sections \
-	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl,-shared) \
+	$(if $(filter true,$(PRIVATE_CLANG)),-shared,-Wl$(comma)-shared) \
 	$(PRIVATE_TARGET_GLOBAL_LD_DIRS) \
 	$(if $(filter true,$(PRIVATE_NO_CRT)),,$(PRIVATE_TARGET_CRTBEGIN_SO_O)) \
 	$(PRIVATE_ALL_OBJECTS) \
diff --git a/core/host_dalvik_java_library.mk b/core/host_dalvik_java_library.mk
index e8823be28..647289b58 100644
--- a/core/host_dalvik_java_library.mk
+++ b/core/host_dalvik_java_library.mk
@@ -20,6 +20,7 @@
 # They will be compiled against libcore and not the host JRE.
 #
 
+ifeq ($(HOST_OS),linux)
 USE_CORE_LIB_BOOTCLASSPATH := true
 
 #######################################
@@ -135,3 +136,5 @@ $(LOCAL_BUILT_MODULE): $(built_dex) $(java_resource_sources)
 endif # LOCAL_USE_JACK
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+
+endif
diff --git a/core/host_dalvik_static_java_library.mk b/core/host_dalvik_static_java_library.mk
index c0a488ca6..6fe460ebe 100644
--- a/core/host_dalvik_static_java_library.mk
+++ b/core/host_dalvik_static_java_library.mk
@@ -19,6 +19,7 @@
 # These libraries will be compiled against libcore and not the host
 # JRE.
 #
+ifeq ($(HOST_OS),linux)
 
 USE_CORE_LIB_BOOTCLASSPATH := true
 LOCAL_JAVA_LIBRARIES += core-libart-hostdex
@@ -43,3 +44,5 @@ $(full_classes_jack): $(java_sources) $(java_resource_sources) $(full_jack_lib_d
 	$(java-to-jack)
 
 USE_CORE_LIB_BOOTCLASSPATH :=
+
+endif