****[ 35% 11837/33004] build out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack
FAILED:/bin/bash -c
"
(mkdir -p out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/)
&& (java -Xmx3500m -jar out/host/linux-x86/framework/jill.jar --output out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.jack prebuilts/sdk/21/android.jar)
&& (mkdir -p out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.res)
&& (unzip -qo prebuilts/sdk/21/android.jar -d out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.res)
&& (find out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.res -iname \"*.class\" -delete)
&& (JACK_VERSION=2.26.RELEASE out/host/linux-x86/bin/jack @build/core/jack-default.args --verbose error -D jack.import.resource.policy=keep-first -D jack.import.type.policy=keep-first --import out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.jack --import-resource out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.res --output-jack out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack)
&& (rm -rf out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.res)
&& (rm out/target/common/obj/JAVA_LIBRARIES/sdk_v21_intermediates/classes.jack.tmpjill.jack)
" GC overhead limit exceeded Try increasing heap size with java option '-Xmx' Warning: This may have produced partial or corrupted output. [ 35% 11837/33004] Building with Jack: out/target/common/obj/JAVA_LIBRARIES/core-all_intermediates/with-local/classes.dex FAILED: /bin/bash out/target/common/obj/JAVA_LIBRARIES/core-all_intermediates/with-local/classes.dex.rsp Communication error with Jack server (52) ninja: build stopped: subcommand failed. build/core/ninja.mk:139: recipe for target 'ninja_wrapper' failed make: *** [ninja_wrapper] Error 1****
This is the error message where the building process stopped, it says try to increase heap size with java option "-Xmx",but I do not know how to config it when building the android source.