IBM Communication Server fails build on RHEL 8.3 with conflicting types

Solution Verified - Updated -


When installing IBM Communications Server on RHEL 8.3, buildLiS fails with error "conflicting types" for multiple variables.


  • Red Hat Enterprise Linux 8.3 kernel 4.18.0-240.1.1.el8_3 or later
  • IBM Z series (s390x architecture)
  • IBM Communications Server V7.0.0.6

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