树莓上如何安装build_config.mk

提示不能安装 错误2
Building LevelDB ...
/bin/sh: 1: ./build_detect_platform: Permission denied
make[1]: Entering directory '/home/user/src/coins/CasinoCoin/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/user/src/coins/CasinoCoin/src/leveldb'
make: *** [leveldb/libleveldb.a] Error 2