# qmake -project
# qmake
# make
ntox86-g++ -c -pipe -Wall -W -D_REENTRANT -DQT_NO_DEBUG -DQT_GUI_LIB -DQT_CORE_LIB -I/usr/qnx650/target/qnx6/
usr/share/qt4/mkspecs/unsupported/qws/qnx-i386-g++ -I. -I/usr/qnx650/target/qnx6/usr/include/qt4/QtCore -I/us
r/qnx650/target/qnx6/usr/include/qt4/QtGui -I/usr/qnx650/target/qnx6/usr/include/qt4 -I. -I. -o main.o main.c
pp
ntox86-g++ -Wl,-O1 -o test main.o -L/usr/qnx650/target/qnx6/x86/lib -lQtGui -lQtCore
# ./test
ldd:FATAL: Unresolved symbol "_ZN12QApplicationC1ERiPPci" called from Executable

# gdb test
GNU gdb 6.8 qnx-nto (rev. 506)
Copyright (C) 2008 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "i486-pc-nto-qnx6.5.0"...
(no debugging symbols found)
(gdb) run
Starting program: /home/test/test
(no debugging symbols found)
unknown symbol: _ZN6QLabelD1Ev
unknown symbol: _ZN12QApplicationC1ERiPPci
unknown symbol: _ZN7QString16fromAscii_helperEPKci
unknown symbol: _ZN12QApplication4execEv
unknown symbol: _ZN12QApplicationD1Ev
unknown symbol: _ZN6QLabelC1ERK7QStringP7QWidget6QFlagsIN2Qt10WindowTypeEE
unknown symbol: _ZN7QString4freeEPNS_4DataE
ldd:FATAL: Could not resolve all symbols

Program exited with code 01.
(gdb) q