"Osipov, Michael" <michael.osi...@siemens.com> writes: > Hi folks, > > I have recently compiled MIT Kerberos 1.16.1 on HP-UX and yacc failed with: > >> "./kadmin/cli/getdate.y", line 180: fatal error: invalid escape, or illegal >> reserved word: expect > > Change introduced in > https://github.com/krb5/krb5/commit/28fd0a934cdc7b3b42ce213c6d334d4edf1ab591#diff-db7f4e6f3883dd26b97f7b3e10697846R180. > > I contacted HPE about this and it turned out that their yacc > implementation does not support extensions as the GNU or BSD > counterparts do. > > I'd like to have this fixed somehow and there are several ways to do this: > > * Remove this line manually before compiling on the platform which does > not support this "%expect" extension > * Revert the commit and live with the verbose output > * Test for this extension in the configure.ac script > * Require GNU bison if yacc is POSIX only. Note I am reluctant to this > because this is merely one line for less verbose output? > > Any comments from the devs?
As the author of the change, it wasn't my intent to mandate GNU bison here. Platform checking/configure tests seem like overkill for just a warning. The intent was to get the codebase to be warning-free on clang on Travis to help with code reviews. I've opened https://github.com/krb5/krb5/pull/849 to revert this change. Thanks, --Robbie
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