diff --git a/core/Makefile b/core/Makefile
index d813ab7..a6974a3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1299,7 +1299,7 @@
 
 # -----------------------------------------------------------------
 # The emulator package
-
+ifeq ($(BUILD_EMULATOR),true)
 INTERNAL_EMULATOR_PACKAGE_FILES += \
         $(HOST_OUT_EXECUTABLES)/emulator$(HOST_EXECUTABLE_SUFFIX) \
         prebuilts/qemu-kernel/$(TARGET_ARCH)/kernel-qemu \
@@ -1315,6 +1315,7 @@
 	@echo "Package: $@"
 	$(hide) zip -qj $@ $(INTERNAL_EMULATOR_PACKAGE_FILES)
 
+endif
 # -----------------------------------------------------------------
 # Old PDK stuffs, retired
 # The pdk package (Platform Development Kit)
diff --git a/core/main.mk b/core/main.mk
index 21e2e7f..64be9ff 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -187,7 +187,9 @@
 ifeq ($(strip $(wildcard $(MACOSX_SDK))),)
   BUILD_EMULATOR := false
 endif
-endif
+else   # HOST_OS is not darwin
+  BUILD_EMULATOR := true
+endif  # HOST_OS is darwin
 
 $(shell echo 'VERSIONS_CHECKED := $(VERSION_CHECK_SEQUENCE_NUMBER)' \
         > $(OUT_DIR)/versions_checked.mk)