Allow clang to build host binaries.

Change-Id: I7e4f9dc6f69a97cfefdfa2ed55c5d7b8ad496da7
diff --git a/core/definitions.mk b/core/definitions.mk
index 4e1a25d..fe54bca 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1032,11 +1032,11 @@
 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	        $(filter-out $(PRIVATE_C_INCLUDES), \
 	            $(HOST_PROJECT_INCLUDES) \
-	            $(HOST_C_INCLUDES)))) \
+	            $(PRIVATE_HOST_C_INCLUDES)))) \
 	-c \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
-	    $(HOST_GLOBAL_CFLAGS) \
-	    $(HOST_GLOBAL_CPPFLAGS) \
+	    $(PRIVATE_HOST_GLOBAL_CFLAGS) \
+	    $(PRIVATE_HOST_GLOBAL_CPPFLAGS) \
 	 ) \
 	$(PRIVATE_CFLAGS) \
 	$(PRIVATE_CPPFLAGS) \
@@ -1060,10 +1060,10 @@
 	    $(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
 	        $(filter-out $(PRIVATE_C_INCLUDES), \
 	            $(HOST_PROJECT_INCLUDES) \
-	            $(HOST_C_INCLUDES)))) \
+	            $(PRIVATE_HOST_C_INCLUDES)))) \
 	-c \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
-	    $(HOST_GLOBAL_CFLAGS) \
+	    $(PRIVATE_HOST_GLOBAL_CFLAGS) \
 	 ) \
 	$(1) \
 	-MD -MF $(patsubst %.o,%.d,$@) -o $@ $<
@@ -1207,7 +1207,7 @@
 	$(PRIVATE_LDFLAGS) \
 	$(HOST_GLOBAL_LD_DIRS) \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
-	   $(HOST_GLOBAL_LDFLAGS) \
+	   $(PRIVATE_HOST_GLOBAL_LDFLAGS) \
 	) \
 	$(PRIVATE_ALL_OBJECTS) \
 	-Wl,--whole-archive \
@@ -1367,7 +1367,7 @@
 	$(HOST_GLOBAL_LD_DIRS) \
 	$(PRIVATE_LDFLAGS) \
 	$(if $(PRIVATE_NO_DEFAULT_COMPILER_FLAGS),, \
-		$(HOST_GLOBAL_LDFLAGS) \
+		$(PRIVATE_HOST_GLOBAL_LDFLAGS) \
 		-fPIE -pie \
 	) \
 	-o $@ \