3032641 - Installation error: gcc: not found - NetWeaver

Oracle installation shows following error (installActions*.log):

Exception Name: MakefileException
Exception String: Error in invoking target 'client_sharedlib' of makefile '/oracle/<SID>/<release>/rdbms/lib/ins_rdbms.mk'. See '/oracle/oraInventory/logs/installActions*.log' for details.
Exception Severity: 1
INFO: Building Client Shared Libraries
INFO: Building Client Shared Libraries
INFO: The output of this make operation is also available at: '/oracle/<SID>/<release>/install/make.log'
INFO:
INFO: Start output from spawned process:
INFO: ----------------------------------
INFO:
INFO: /oracle/<SID>/<release>/bin/genclntsh
INFO: /oracle/<SID>/<release>/bin/orald: line 31: exec: gcc: not found
INFO: genclntsh: Failed to link libclntshcore.so.12.1
INFO: make: *** [client_sharedlib] Error 127
INFO: End output from spawned process.
INFO: ----------------------------------
INFO: Exception thrown from action: make
Exception Name: MakefileException
Exception String: Error in invoking target 'client_sharedlib' of makefile '/oracle/<SID>/<release>/rdbms/lib/ins_rdbms.mk'. See '/oracle/oraInventory/logs/installActions*.log' for details.
Exception Severity: 1

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Oracle installation on UNIX/Linux

SAP NetWeaver 2004 ; SAP NetWeaver 7.0 ; SAP NetWeaver 7.1 ; SAP NetWeaver 7.2 ; SAP NetWeaver 7.3 ; SAP NetWeaver 7.4 ; SAP NetWeaver 7.5 ; SAP enhancement package 1 for SAP NetWeaver 7.0 ; SAP enhancement package 1 for SAP NetWeaver 7.3 ; SAP enhancement package 2 for SAP NetWeaver 7.0 ; SAP enhancement package 3 for SAP NetWeaver 7.0

gcc: not found, client_sharedlib, genclntsh, gcc: command not found , KBA , BC-DB-ORA-INS , Installation SAP System , Problem