[MacPorts] #41041: upgrade m4 1.4.6

[MacPorts]

#41041: upgrade m4 1.4.6
---------------------------------+--------------------------------
 Reporter:  m.di.gennaro.bari@…  |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.2.0
 Keywords:  upgrade              |       Port:  m4
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 Dear everybody,

 I need to upgrade my m4 version, so i followed the normal procedure: "port
 search m4", then "sudo port install m4 @1.4.16"
 The installation proceeds fine but, after it finishes, the m4 version is
 still unchanged.

 $ which m4

 /usr/bin/m4
 $

 $ m4 --v

 GNU M4 1.4.6
 Copyright (C) 2006 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
 PURPOSE.

 Written by Rene' Seindal.
 $

 I tried to perform "port upgrade m4" but still nothing.
 Thanks for the help

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Ticket URL: <https://trac.macports.org/ticket/41041>
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