构建特定的 Android 平台？
我一直尝试只构建Android平台的“/libcore”目录。当我尝试 mmm libcore 时，我最终得到以下输出：
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=2.1-update1
TARGET_PRODUCT=generic
TARGET_BUILD_VARIANT=eng
TARGET_SIMULATOR=false
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=ECLAIR
============================================
make: Entering directory `/home/chris/android/platform'
target Prebuilt: (out/target/product/generic/system/etc/security/cacerts.bks)
host Prebuilt: run-core-tests-on-ri (out/host/linux-x86/obj/EXECUTABLES/run-core-tests-on-ri_intermediates/run-core-tests-on-ri)
target Prebuilt: run-core-tests (out/target/product/generic/obj/EXECUTABLES/run-core-tests_intermediates/run-core-tests)
Copy: out/target/product/generic/system/etc/apns-conf.xml
Copying: out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes-full-debug.jar
Copying: out/target/common/obj/JAVA_LIBRARIES/core-tests_intermediates/classes-full-debug.jar
/bin/bash: jar: command not found
make: *** [out/host/common/core-tests.jar] Error 127
make: *** Deleting file `out/host/common/core-tests.jar'
make: Leaving directory `/home/chris/android/platform'
有没有人对错误 127 是什么有任何建议，或者我可以构建“libcore”而无需再次构建整个平台的另一种方法？
谢谢， 克里斯
I have been trying to build only the "/libcore" directory of the Android platform. When I try mmm libcore I end up with the following output:
============================================
PLATFORM_VERSION_CODENAME=REL
PLATFORM_VERSION=2.1-update1
TARGET_PRODUCT=generic
TARGET_BUILD_VARIANT=eng
TARGET_SIMULATOR=false
TARGET_BUILD_TYPE=release
TARGET_ARCH=arm
HOST_ARCH=x86
HOST_OS=linux
HOST_BUILD_TYPE=release
BUILD_ID=ECLAIR
============================================
make: Entering directory `/home/chris/android/platform'
target Prebuilt: (out/target/product/generic/system/etc/security/cacerts.bks)
host Prebuilt: run-core-tests-on-ri (out/host/linux-x86/obj/EXECUTABLES/run-core-tests-on-ri_intermediates/run-core-tests-on-ri)
target Prebuilt: run-core-tests (out/target/product/generic/obj/EXECUTABLES/run-core-tests_intermediates/run-core-tests)
Copy: out/target/product/generic/system/etc/apns-conf.xml
Copying: out/target/common/obj/JAVA_LIBRARIES/core_intermediates/classes-full-debug.jar
Copying: out/target/common/obj/JAVA_LIBRARIES/core-tests_intermediates/classes-full-debug.jar
/bin/bash: jar: command not found
make: *** [out/host/common/core-tests.jar] Error 127
make: *** Deleting file `out/host/common/core-tests.jar'
make: Leaving directory `/home/chris/android/platform'
Does anyone have any suggestions on what Error 127 is, or another method I can go about building "libcore" without having to build the entire platform again?
Thanks,
Chris
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它显示“jar：未找到命令”
您确定安装了 Java SDK 吗？
It says "jar: command not found"
Are you sure you have a Java SDK installed?