Quote from: phelix on July 15, 2013, 09:40:33 PM

Before I dump my time into it... do you also have a hint on this one?

Code:

g++ -Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware -Wl,-s -mthreads -Wl,-subsystem,windows -o release/bitcoin-qt.exe object_script.bitcoin-qt.Release -L'c:/Qt/4.8.5/lib' -lmingwthrd -lmingw32 -lqtmain build/bitcoin-qt_res.o -Llibs/miniupnpc-1.8 -lminiupnpc -liphlpapi C:/_temp/_bitcoin_0.8.3_coincontrol/src/leveldb/libleveldb.a C:/_temp/_bitcoin_0.8.3_coincontrol/src/leveldb/libmemenv.a -lshlwapi -Llibs/boost_1_54_0/stage/lib -Llibs/db-4.8.30.NC/build_unix -Llibs/openssl-1.0.1e -lssl -lcrypto -ldb_cxx -lws2_32 -lshlwapi -lmswsock -lole32 -loleaut32 -luuid -lgdi32 -lboost_system-mgw46-mt-sd-1_54 -lboost_filesystem-mgw46-mt-sd-1_54 -lboost_program_options-mgw46-mt-sd-1_54 -lboost_thread-mgw46-mt-sd-1_54 -lboost_chrono-mgw46-mt-sd-1_54 -lQtGui4 -lQtNetwork4 -lQtCore4
./build/coincontroldialog.o:coincontroldialog.cpp:(.text+0x1cda): undefined reference to `WalletModel::listLockedCoins(std::vector >&)'
./build/coincontroldialog.o:coincontroldialog.cpp:(.text+0x2077): undefined reference to `WalletModel::isLockedCoin(uint256, unsig ned int) const'
./build/coincontroldialog.o:coincontroldialog.cpp:(.text+0x2324): undefined reference to `WalletModel::unlockCoin(COutPoint&)'
./build/coincontroldialog.o:coincontroldialog.cpp:(.text+0x263e): undefined reference to `WalletModel::lockCoin(COutPoint&)'
...

looks like you are using the original bitcoin-qt.pro, not the new one. I have tested the code I gave you again, it sure compiles for me.