Please help me ! : error while installing oracle database 12c in oracle linux 6

[k3youmin]

Hi,
I have a error while installing the Oracle database 12c in Oracle Linux 6 the error is "
INFO: /u01/app/oracle/product/12.1.0/db_1/bin/genclntsh

INFO: /u01/app/oracle/product/12.1.0/db_1/bin/orald: line 31: exec: gcc: not found

INFO: genclntsh: Failed to link libclntshcore.so.12.1

INFO: make: *** [client_sharedlib] Error 127"


Can you help me to solve it ? thanks in advance godbless.