Move art host to libc++

Change-Id: Ia51a4fdfdbae7377130a43c401c2d8d241671d1e
diff --git a/compiler/Android.mk b/compiler/Android.mk
index cb900ea..e9010c9 100644
--- a/compiler/Android.mk
+++ b/compiler/Android.mk
@@ -194,8 +194,8 @@
   LOCAL_GENERATED_SOURCES += $$(ENUM_OPERATOR_OUT_GEN)
 
   LOCAL_CFLAGS := $$(LIBART_COMPILER_CFLAGS)
+  include external/libcxx/libcxx.mk
   ifeq ($$(art_target_or_host),target)
-    include external/libcxx/libcxx.mk
     LOCAL_CLANG := $(ART_TARGET_CLANG)
     LOCAL_CFLAGS += $(ART_TARGET_CFLAGS)
   else # host
@@ -247,7 +247,7 @@
   LOCAL_C_INCLUDES += $(ART_C_INCLUDES) art/runtime
 
   ifeq ($$(art_target_or_host),host)
-    LOCAL_LDLIBS := -ldl -lpthread
+    LOCAL_LDLIBS += -ldl -lpthread
   endif
   LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common.mk
   LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk