android2.3.4----1.ubuntu12.04 64位编译android2.3.4

编译工具链

解压 tools 下的

arm-linux-gcc-4.3.2.tgz

arm-none-linux-gnueabi-arm-2008q3-72-for-linux.tar.bz2

到/opt/6410/android目录下

cong@ubuntu:/opt/6410/android$ ls

4.3.2 arm-none-linux-gnueabi

编uboot (板子是256M的nand)

用的编译器是在arm-linux-gcc-4.3.2中的

cong@ubuntu:/work/an6410/ubootviMakefile161CROSSCOMPILE=/opt/6410/android/4.3.2/bin/arm−none−linux−gnueabi−162exportCROSSCOMPILEcong@ubuntu:/work/an6410/uboot make smdk6410_config

Configuring for smdk6410 board…

cong@ubuntu:/work/an6410/ubootmake生成u−boot.bin3.编译kernel修改Makefilecong@ubuntu:/work/an6410/kernel vi Makefile

192 ARCH ?= arm

193 CROSS_COMPILE ?= /opt/6410/android/arm-none-linux-gnueabi/bin/arm-none-linux-gnueabi-

make -j4

编译android

机子是 ubuntu 12.04LTS 64位,所以需要修改这几个Android.mk

4.1 按手册修改Android.mk

./external/clearsilver/cgi/Android.mk

./external/clearsilver/java-jni/Android.mk

./external/clearsilver/util/Android.mk

./external/clearsilver/cs/Android.mk

找到

LOCAL_CFLAGS += -m32

LOCAL_LDFLAGS += -m32

替换为

LOCAL_CFLAGS += -m64

LOCAL_LDFLAGS += -m64

记得保存文件。

第二步：

修改文件 ./build/core/main.mk

找到

ifneq (i686,(findstringi686,(build_arch)))

替换为

ifneq (64,(findstring64,(build_arch)))

4.2 出错处理

a. 添加 -fpermissive

frameworks/base/libs/utils/RefBase.cpp: In member function ‘void android::RefBase::weakref_type::trackMe(bool, bool)’:

frameworks/base/libs/utils/RefBase.cpp:483:67: error: passing ‘const android::RefBase::weakref_impl’ as ‘this’ argument of ‘void android::RefBase::weakref_impl::trackMe(bool, bool)’ discards qualifiers [-fpermissive]

解决方法:

frameworks/base/libs/utils/Android.mk

60 LOCAL_CFLAGS += -DLIBUTILS_NATIVE=1 $(TOOL_CFLAGS) –fpermissive

b. 这个需要改javadoc

Could not load ‘clearsilver-jni’

java.library.path = out/host/linux-x86/lib

make: * [out/target/common/docs/doc-comment-check-timestamp] Error 45

解决方法: 先是将默认工具链中的javadoc替换成jdk1.5的这个地方是可以编过去的.

但是在接下来的编译中还会出现错误

c. 终极大招

默认的工具链jdk1.6.0_23好像是32位的,所以需要替换为64位的,

下载jdk-6u35-linux-x64.bin,然后解压到android源码目录下

修改build-android

6 #export PATH=PWD/jdk1.6.023/bin:PATH

7 export PATH=PWD/jdk1.6.035/bin:PATH

d. 接下来就是一些小问题了

prebuilt/linux-x86/sdl/include/SDL/SDL_syswm.h:55:22: fatal error: X11/Xlib.h: No such file or directory

compilation terminated.

make: * [out/host/linux-x86/obj/EXECUTABLES/emulator_intermediates/android/main.o] Error 1

解决方法:

sudo apt-get install libx11-dev

e. 将 -Werror去掉

:0:0: error: “_FORTIFY_SOURCE” redefined [-Werror]

:0:0: note: this is the location of the previous definition

cc1plus: all warnings being treated as errors

make: * [out/host/linux-x86/obj/EXECUTABLES/obbtool_intermediates/Main.o] Error 1

cong@ubuntu:/work/an6410/2.3.4$ vi frameworks/base/tools/obbtool/Android.mk

16 LOCAL_CFLAGS := -Wall

在frameworks/base/tools/obbtool/Android.mk文件中还有一处-Werror也要去掉

最后就编过去了.

Generated: (out/target/product/OK6410/android-info.txt)

Target system fs image: out/target/product/OK6410/obj/PACKAGING/systemimage_intermediates/system.img

Install system fs image: out/target/product/OK6410/system.img

Target ram disk: out/target/product/OK6410/ramdisk.img

Target userdata fs image: out/target/product/OK6410/userdata.img

Installed file list: out/target/product/OK6410/installed-files.txt

生成文件系统:

./make_rootfs

系统启动

5.1 卡在untracked pid exited

request_suspend_state: wakeup (3->0) at 92374521625 (2011-08-22 04:17:52.176252436 UTC)

init: untracked pid 59 exited

init: untracked pid 63 exited

request_suspend_state: wakeup (0->0) at 107827143745 (2011-08-22 04:18:07.628874511 UTC)

解决方法: 将gralloc.default.so push到 /system/lib/hw目录下

cong@ubuntu:/work/an6410$ adb push ./2.3.4/out/target/product/OK6410/obj/SHARED_LIBRARIES/gralloc.default_intermediates/LINKED/gralloc.default.so /system/lib/hw

NFS启动

a. make menuconfig

去掉initramfs的支持,要不系统会用initramfs文件系统

General setup —>

[*] Initial RAM filesystem and RAM disk (initramfs/initrd) support

默认编译出来的内核己经支持nfs文件系统,如果没有支持还需要添加

b. 设置uboot

setenv bootargs “root=/dev/nfs nfsroot=192.168.6.220:/work/an6410/2.3.4/rootfs init=/init ip=192.168.6.221:192.168.6.220:192.168.6.1:255.255.255.0:cong:eth0:off console=ttySAC0,115200”