可读的字符串用于描述编译细节r
build_descTARGET_PRODUCTTARGET_BUILD_VARIANTPLATFORM_VERSIONBUILD_IDBUILD_NUMBERBUILD_VERSION_TAGSr
对应BUILD_DISPLAY_IDr
BUILD_FINGERPRINTr
r
用于唯一标志某次BUILD的字符串，被otaserver使用r
示例：OPPOoppo_12069FIND5411JRO03L1362469752userreleasekeysr
ifeqstripBUILD_FINGERPRINTr
BUILD_FINGERPRINTPRODUCT_BRANDTARGET_PRODUCTTARGET_DEVICEPLATFORM_VERSIONBUILD_IDBUILD_NUMBERTARGET_BUILD_VARIANTBUILD_VERSION_TAGSr
e
difr
if
eqwordsBUILD_FINGERPRINT1r
errorBUILD_FINGERPRINTca
otco
tai
spaces