The real way is: LOCAL_CFLAGS += -fno-short-enums Android compiler default setting is 1 byte for enum type. 2008/12/9 Ulrik Bech Hald <[EMAIL PROTECTED]>
> > Okay, tried the solution suggested by Misael. Changed the ../external/ > ppp/pppd/Android.mk to include the following: > > # To force sizeof(enum) = 4 > ifneq ($(TARGET_SIMULATOR),true) > LOCAL_CFLAGS += -mabi=aapcs-linux > endif > > This will prevent the Android compiler from using short enums when > compiling pppd. > > ..And it works! Finally able to browse using the PPP-GPRS connection. > > Ulrik > > > > > On 3 Dec., 15:20, Ulrik Bech Hald <[EMAIL PROTECTED]> wrote: > > We're facing a similar problem as WANG Xiaoguang, refer tohttp:// > groups.google.com/group/android-porting/browse_thread/thread/5... > > > > Our ppp0 interface is up but connections to the outside network won't > > go through. > > > > What are the changes you did to the enum to make it work? > > > > Do you think the problems are caused by the enum in the npioctl struct > > or the fact that pppd was ported to android, and perhaps then modified > > to directly use the ioctl interface w/ enums? > > > > Thanks, > > Ulrik > > > > On 14 Nov., 02:28, "Misael Lopez" <[EMAIL PROTECTED]> wrote: > > > > > Don't you think the enum problem is more related to "short enums"? > > > > > Have you tried to compile your code also with -fno-short-enums cflag? > > > > > Misa > > > > > 2008/11/13 jyukon <[EMAIL PROTECTED]>: > > > > > > Hi, > > > > > > I had the same issues when I implemented UVC camera support. In my > > > > case, > > > > struct v4l2_requestbuffers in linux/videodev2.h is the problem. I > > > > settled it using android toolchain with CONFIG_CC_OPTIMIZE_FOR_SIZE > > > > option. > > > > > > On 11月14日, 午前10:58, koba <[EMAIL PROTECTED]> wrote: > > > >> Hi > > > > > >> Could you share which enum cause problem? > > > > > >> I am fighting some strange android behavior in my board. > > > >> Your information might help me. > > > > > >> On 11月13日, 午後11:22, WANG Xiaoguang <[EMAIL PROTECTED]> wrote: > > > > > >> > Finally I resolved this problem. > > > > > >> > It seems a bug in kernel, which is caused by using 'enum' in a > struct > > > >> > in Linux's kernel. > > > > > >> > Different compilers use different data types on 'enum' (maybe > 'char' > > > >> > or 'int') > > > > > >> > In my android, the kernel's 'enum' size is 4, while the size of > 'enum' > > > >> > in ELF binarys is 1. > > > >> > Then some options in kernel is incorrect. > > > > > >> > It's really a bad idea to use 'enum' in a struct, especially > whichwill > > > >> > be used by other applications outside the module which defines it, > > > >> > but unfortunately there are still some misuses in Linux's kernel. > > > > > >> > On 11月11日, 下午5时24分, "David Turner" <[EMAIL PROTECTED]> wrote: > > > > > >> > > -cc android-developers +cc android-porting > > > > > >> > > what about using strace to see what the problem might be ? > > > > > >> > > On Mon, Nov 10, 2008 at 9:18 AM, Wang Xiaoguang < > [EMAIL PROTECTED]>wrote: > > > > > >> > > > I have successfully created a GPRS connection to my ISP, > > > > > >> > > > # busybox ifconfig ppp0 > > > >> > > > ppp0 Link encap:Point-to-Point Protocol > > > >> > > > inet addr:10.8.232.45 P-t-P:10.8.232.45 Mask: > 255.255.255.255 > > > >> > > > UP POINTOPOINT RUNNING NOARP MULTICAST MTU:1500 > Metric:1 > > > >> > > > RX packets:11 errors:1 dropped:0 overruns:0 frame:0 > > > >> > > > TX packets:24 errors:0 dropped:0 overruns:0 > carrier:0 > > > >> > > > collisions:0 txqueuelen:3 > > > >> > > > RX bytes:510 (510.0 B) TX bytes:1386 (1.3 KiB) > > > > > >> > > > # busybox route > > > >> > > > Kernel IP routing table > > > >> > > > Destination Gateway Genmask Flags Metric > Ref Use > > > >> > > > Iface > > > >> > > > default 10.8.232.45 0.0.0.0 UG 0 > 0 0 > > > >> > > > ppp0 > > > > > >> > > > But I can not connect to remote hosts, eg: > > > >> > > > busybox wgethttp://202.108.22.5/&; > > > >> > > > (Never succeed) > > > > > >> > > > When I am trying to make a TCP connection, both the "RX > packets" and "TX > > > >> > > > packets" of ppp0 increases. > > > > > >> > > > I have tried these commands in my Linux on PC and they worked > correctly. > > > > > >> > > > How can I get GPRS worked in my Android ?- 隐藏被引用文字 - > > > > > >> > > - 显示引用的文字 - > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: [EMAIL PROTECTED] website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
