Hi John: Do u mean modify /external/ppp/pppd/Android.mk to include "LOCAL_CFLAGS += -fno-short-enums" ? I have tried both 2 ways but the connection still didn't go through~ Do I missed anything?
Herb. On 12月9日, 上午9時30分, "john wang" <[email protected]> wrote: > 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 -~----------~----~----~----~------~----~------~--~---
