[MacPorts] #19051: port selfupdate: error in installing new macports base 1.7.1

[MacPorts]

#19051: port selfupdate: error in installing new macports base 1.7.1
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 Reporter:  senz@…                 |       Owner:  macports-tickets@…                   
     Type:  defect                 |      Status:  new                                  
 Priority:  High                   |   Milestone:  MacPorts Future                      
Component:  base                   |     Version:  1.7.1                                
 Keywords:  port selfupdate error  |        Port:                                       
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Comment(by mlk@…):

 Ah, yes, I think I understand the real issue now.  I didn't know that
 configure removed ${prefix}/bin and ${prefix}/sbin from PATH before doing
 anything else, but reading through configure.ac and aclocal.m4 makes that
 clear.  So, Yes, I also think the proposed solution should work.  Assuming
 that these proposed changes are used, my question is then: Should
 'configure' be changed, or 'configure.ac'?  If I execute './regen.sh' then
 I end up with a new 'configure' which would override the proposed changes
 to that file; hence I think the latter is the appropriate place for those
 particular changes.

 I think another way to do this would be to set the PATH before executing
 'configure' in /Library/Tcl/macports1.0/macports.tcl:1908 ... since
 commands are chained within the same system call (cd ... && export
 PATH=... && configure ... && make && make install), the PATH would be
 properly carried over, and used just for that system call.  This method
 would use a Tcl routine to modify the incoming PATH and pass that
 knowledge to the system command, as opposed to the proposed method that
 does it inside 'configure' and then passing the knowledge on to the top-
 level 'Makefile'.

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Ticket URL: <http://trac.macports.org/ticket/19051#comment:6>
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