[MacPorts] #16553: slime: don't use cd command

[MacPorts]

#16553: slime: don't use cd command
-------------------------------------+--------------------------------------
 Reporter:  ryandesign at macports.org  |       Owner:  easieste at macports.org
     Type:  defect                   |      Status:  new                  
 Priority:  Normal                   |   Milestone:  Port Bugs            
Component:  ports                    |     Version:  1.7.0                
 Keywords:                           |        Port:  slime                
-------------------------------------+--------------------------------------
 The slime port uses the cd command in the build and destroot phases, which
 won't work in MacPorts 1.7.0 and later, and doesn't work in MacPorts trunk
 today:

 {{{
 $ port install slime
 --->  Fetching slime
 --->  Verifying checksum(s) for slime
 --->  Extracting slime
 --->  Configuring slime
 --->  Building slime with target all
 Error: Target org.macports.build returned: invalid command name "cd"
 Error: Status 1 encountered during processing.
 $
 }}}

 You should remove the cd command from the portfile. See also #12914.

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Ticket URL: <http://trac.macports.org/ticket/16553>
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