Code:

make all-am
make[1]: Entering directory `/home/naven/src/ufasoft_bitcoin-miner-0.28'
g++ -std=c++0x -Wno-invalid-offsetof -g -O2 -o bitcoin-miner bitcoin-miner.o bitcoin-sha256.o bitcoin-sha256-x86x64.o miner.o miner-bitforce.o src/bitcoin_sha256_x86x64.o ext-protocols.o ext-handlers.o ext-encoding.o threader.o ext-file.o ext-fw.o datetime.o ext-base.o ext-os.o ext-app.o ext-string.o ext-blob.o ext-stream.o ext-core.o ext-ip-address.o ext-net.o http.o stack-trace.o binary-reader-writer.o sha256.o salsa20.o scrypt.o el/crypto/x86x64/sha256_x86x64.o el/crypto/x86x64/scrypt_x86x64.o regex.o -lrt -ldl -lcurl -lpthread -lpcre
miner.o: In function `Coin::BitcoinMiner::CalcHash(Coin::BitcoinWorkData const&)':
/home/naven/src/ufasoft_bitcoin-miner-0.28/src/miner.cpp:602: undefined reference to `Coin::SolidcoinHash(Ext::ConstBuf const&)'
miner.o: In function `Coin::WorkerThread::MineSolid(Coin::BitcoinWorkData&)':
/home/naven/src/ufasoft_bitcoin-miner-0.28/src/miner.cpp:908: undefined reference to `Coin::SolidcoinHash(Ext::ConstBuf const&)'
collect2: ld returned 1 exit status
make[1]: *** [bitcoin-miner] Error 1
make[1]: Leaving directory `/home/naven/src/ufasoft_bitcoin-miner-0.28'
make: *** [all] Error 2

with "UCFG_BITCOIN_SOLIDCOIN=1"