1WANTED_PLATFORM_32 := android-9
2WANTED_PLATFORM_64 := android-21
3
4ifeq (,$(filter %64, $(TARGET_ARCH)))
5  ifneq ($(TARGET_PLATFORM),$(WANTED_PLATFORM_32))
6    $(error Incorrect target platform: $(TARGET_PLATFORM) (expecteding $(WANTED_PLATFORM_32)))
7  endif
8  $(call ndk_log,Test OK: Correct target platform retrieved from project.properties: $(TARGET_PLATFORM))
9else
10  ifneq ($(TARGET_PLATFORM),$(WANTED_PLATFORM_64))
11    $(error Incorrect target platform: $(TARGET_PLATFORM) (expecteding $(WANTED_PLATFORM_64)))
12  endif
13  $(call ndk_log,Test OK: Correct target platform retrieved from project.properties but auto-adjusted: $(TARGET_PLATFORM))
14endif
15