問題一:在32位Ubuntu 12.04上編譯Android4.0.4源碼時,出現(xiàn)了關(guān)于emulator的錯誤,關(guān)鍵是其Makefile里的-m64參數(shù),將其用-m32代替即可,錯誤提示如下:
ERROR: prebuilts/tools/gcc-sdk/../../gcc/linux-x86/host/x86_64-linux-glibc2.7-4.6/bin/x86_64-linux-gcc only run on 64-bit linux
make: *** [out/host/linux-x86/obj/STATIC_LIBRARIES/emulator64-target-arm_intermediates/tcg/tcg.o] Error 1
涉及需要改的文件如下:
external/qemu/Makefile.target
external/qemu/Makefile.common
問題二:編譯時出現(xiàn)如下提示:
target Dex: core
Error occurred during initialization of VM
Could not reserve enough space for object heap
Could not create the Java virtual machine.
make: *** [out/target/common/obj/JAVA_LIBRARIES/core_intermediates/noproguard.classes-with-local.dex] Error 1
查找build/core/definitions.mk文件發(fā)現(xiàn)如下內(nèi)容:
#TODO: use a smaller -Xmx value for most libraries;
# only core.jar and framework.jar need a heap this big.
# Avoid the memory arguments on Windows, dx fails to load for some reason with them.
define transform-classes.jar-to-dex
@echo "target Dex: $(PRIVATE_MODULE)"
@mkdir -p $(dir $@)
$(hide) $(DX) \
$(if $(findstring windows,$(HOST_OS)),,-JXms16M -JXmx2048M) \
--dex --output=$@ \
$(incremental_dex) \
$(if $(NO_OPTIMIZE_DX), \
--no-optimize) \
$(if $(GENERATE_DEX_DEBUG), \
--debug --verbose \
--dump-to=$(@:.dex=.lst) \
--dump-width=1000) \
$(PRIVATE_DX_FLAGS) \
$<
endef
由于我的電腦只有2GB的內(nèi)容,那么上面的2048M肯定滿足不了,因為linux分配時還需分配給內(nèi)核內(nèi)存,故將該參數(shù)調(diào)小為1024M。
繼續(xù)編譯還會出現(xiàn)一些關(guān)于emulator的錯誤,而查閱了google官方資料,說是要在64bit系統(tǒng)上編譯,換成64位的后,沒出現(xiàn)什么錯誤,編譯一切正常。
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