ERROR: ××× bootstrap class path not set in conjunction with -source 1.6 ×××
bootstrap class path 未指定
找到./hotspot/make/linux/makefiles/rules.make文件,然后修改BOOT_SOURCE_LANGUAGE_VERSION 和 BOOT_TARGET_CLASS_VERSION为你的版本
BOOT_SOURCE_LANGUAGE_VERSION = 7
BOOT_TARGET_CLASS_VERSION = 7