Please, help me !  
root@bitcoin:~/pools/catcoin/src# sudo make -f makefile.unix USE_UPNP=-
Building LevelDB ...
/bin/sh: 1: ./build_detect_platform: Permission denied
make[1]: Entering directory `/home/lamnguyen/pools/catcoin/src/leveldb'
Makefile:18: build_config.mk: No such file or directory
make[1]: *** No rule to make target `build_config.mk'.  Stop.
make[1]: Leaving directory `/home/lamnguyen/pools/catcoin/src/leveldb'
make: *** [leveldb/libleveldb.a] Error 2