[MacPorts] #13614: Glib2 does not upgrade. "cannot compute sizeof (char)" on configuring.

[MacPorts]

#13614: Glib2 does not upgrade. "cannot compute sizeof (char)" on configuring.
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  Reporter:  vakuumfluktuation at quantentunnel.de  |       Owner:  ryandesign at macports.org
      Type:  defect                              |      Status:  reopened               
  Priority:  Normal                              |   Milestone:  Port Bugs              
 Component:  ports                               |     Version:  1.6.0                  
Resolution:                                      |    Keywords:  Glib2 sizeof char      
      Port:  glib2                               |  
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Comment(by ryandesign at macports.org):

 /usr/lib contains files provided by and necessary to your operating
 system, so reinstalling the OS with the "Archive and Install" option, and
 then running Software Update and installing all OS and security updates,
 would be the way to get /usr/lib and all other system directories back to
 a good state. Apple tries to make the OS reinstall a painless process for
 "normal" users, but it never seems that way for me. For example, it will
 probably archive away /Library/Tcl/macports1.0 which you're gonna need and
 should move back after archiving.

 There are also some ports that install into OS locations that will be
 archived away. php5+apache installs into /usr/libexec/httpd, I believe,
 and there are some X11 ports that install into ${x11prefix}. To combat
 this, you could save a list of active ports to the desktop with "`port
 installed active > ~/Desktop/activeports.txt`", then deactivate all ports
 with "`sudo port deactivate active`", then do the OS reinstall, then
 reactivate each port foo listed in activeports.txt with "`sudo port
 activate foo`".

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Ticket URL: <http://trac.macports.org/ticket/13614#comment:18>
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