I FINNALY got it:
[19:24:21] * using Jansson 2.7
[19:24:21] WARNING: GPU_MAX_ALLOC_PERCENT is not specified!
[19:24:21] WARNING: GPU_USE_SYNC_OBJECTS is not specified!
[19:24:21] Probing for an alive pool
[19:24:25] Startup GPU initialization... Using settings from pool esp.suprnova.c
c.
[19:24:25] Startup Pool No = 0
[19:24:25] Building binary wolf-espPitcairngw256l8lg2tc8896nf10.bin
[19:24:25] Unable to open wolf-esp.cl for reading!
[19:24:25] Failed to init GPU thread 0, disabling device 0
[19:24:25] Restarting the GPU from the menu will not fix this.
[19:24:25] Re-check your configuration and try restarting.
Press enter to continue:
i used this command:
sgminer -k wolf-esp --url stratum+tcp://esp.suprnova.cc:3451 -u nicolasbonza.3 -p x
and this too:
sgminer --kernelfile wolf-esp --url stratum+tcp://esp.suprnova.cc:3451 -u nicolasbonza.3 -p x