摘要：
frameworks/compile/slang/slang_rs_export_foreach.cpp:247:23:error:variable‘ParamName’setbutnotused[-Werror=unused-but-set-variable]cc1plus:allwarningsbeingtreatedaserrors解决方法：$viframeworks/compile/sla
frameworks/compile/slang/slang_rs_export_foreach.cpp:247:23: error: variable ‘ParamName’ set but not used [-Werror=unused-but-set-variable]
cc1plus: all warnings being treated as errors
解决方法：
$ vi frameworks/compile/slang/Android.mk
#local_cflags_for_slang := -Wno-sign-promo -Wall -Wno-unused-parameter -Werror
local_cflags_for_slang := -Wno-sign-promo -Wall -Wno-unused-parameter