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I have successfully built a QT 2.3.10 application on my uClinux-dist (no MMU) platform. But when I execute it the following error happens,

/mnt> ./helloworld
BINFMT_FLAT: Loading file: ./helloworld
Mapping is 1800000, Entry point is 44, data_start is 343240
Load ./helloworld_rom: TEXT=1800040-1b43240 DATA=1f80004-1fb3bf4 BSS=1fb3bf4-1fbab54
helloworld_rom[19] killed because of sig - 4
STACK DUMP:
0x01fffe14: 01b43228 01ffff84 01f80004 018000e4 00000000 00000000 00000000
0x01fffe30: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0x01fffe4c: 00000000 00000000 00000000 01adf0e8 01facd90 01ffff4c 01c3d00c
0x01fffe68: 01fffe24 00000000 00000000 00000000 00000000 00000000 00000000
0x01fffe84: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0x01fffea0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0x01fffebc: 00000000 00000000 00000000 00000000 00000000 00000013 01ad69d8
0x01fffed8: 01ffff35 01adbd5c 01ffff24 00008a3b 01ad7570 00000500 00000005
0x01fffef4: 00001cb2 00008a3b 081c0300 01000415 1a131100 170f1200 00000016
0x01ffff10: 01f9fdfc 01fb6ac8 00000000 00000002 01ad7440 00000500 00000005

Pid: 19, comm: helloworld
CPU: 0
PC is at 0x2c8b178
LR is at 0x1ade39c
pc : [<02c8b178>] lr : [<01ade39c>] Not tainted
sp : 01fffe14 ip : 01ffff74 fp : 02000b5d
r10: 01b43dd8 r9 : 00000000 r8 : 00000000
r7 : 00000002 r6 : 01ffff90 r5 : 7e000002 r4 : 01ade270
r3 : 00000ba0 r2 : 01fffe60 r1 : 01ffff84 r0 : e92d4400
Flags: nzCv IRQs on FIQs on Mode USER_32 Segment kernel
[<0001b818>] (show_regs+0x0/0x4c) from [<00053078>] (do_coredump+0x190/0x764)
r4 = 00741DD4
[<00052ee8>] (do_coredump+0x0/0x764) from [<000303b8>] (get_signal_to_deliver+0x358/0x384)
[<00030060>] (get_signal_to_deliver+0x0/0x384) from [<0001d238>] (do_signal+0x5c/0x414)
[<0001d1dc>] (do_signal+0x0/0x414) from [<0001d77c>] (do_notify_resume+0x2c/0x30)
[<0001d750>] (do_notify_resume+0x0/0x30) from [<0001ab6c>] (work_pending+0x1c/0x20)


And this is my compile flags to build qte-2.3.10,
......
/home/nerokuo/uClinux/tools/ucfront-g++ arm-linux-g++ -c -Dlinux -D__linux__ -Dunix -D__uClinux__ -I/home/nerokuo/qt-2.3.10/include -I/home/nerokuo/uClinux/uClibc/include -I/home/nerokuo/uClinux/include -I/home/nerokuo/uClinux/linux-2.6.x/include -DDEBUG -D__PIC__ -fpic -msingle-pic-base -msoft-float -Wall -DQWS -O -DQT_QWS_NO_SHM -DQT_NO_QWS_MULTIPROCESS -DQT_NO_SOUNDSERVER -DQT_NO_SOUND -DQT_NO_IMAGEIO_MNG -DQT_NO_STL -DQT_NO_EXCEPTIONS -DQT_NO_QWS_SNAP -DQT_NO_QWS_VOODOO3 -DQT_NO_QWS_MACH64 -DQT_NO_QWS_MATROX -DQT_NO_QWS_VNC -DQT_KEYPAD_MODE -DQT_NO_QWS_VGA_16 -DQT_NO_QWS_DEPTH_24 -DQT_NO_QWS_VFB -DQT_BUILTIN_GIF_READER=1 -DQT_NO_IMAGEIO_MNG -DQT_NO_SM_SUPPORT -DQT_NO_XKB -I/home/nerokuo/jpeg-6b -I/home/nerokuo/qt-2.3.10/src/3rdparty/zlib -I/home/nerokuo/qt-2.3.10/src/3rdparty/libpng -I3rdparty/kernel -I3rdparty/tools -o widgets/qmainwindow.o widgets/qmainwindow.cpp
.......

Did I make anything wrong when building qte-2.3.10?? Please help provide
your suggestions if any. Thanks a lot.