[MacPorts] #42342: LibreCAD Portfile that run's under OSX 10.7

[MacPorts]

#42342: LibreCAD Portfile that run's under OSX 10.7
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  Reporter:  librecad@…   |      Owner:  macports-tickets@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.2.1
Resolution:               |   Keywords:  haspatch maintainer
      Port:  LibreCAD     |
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Comment (by librecad@…):

 Attached a new diff file that tries to solve the suggested modifications:
 The Portfile has been tested on OSX 10.7 and 10.9.

 Here are answers to your questions:

 * Why is stdlib being forced to libc++? Old habit I guess, In the past we
 had issues compiling LibreCAD on older version's of OSX but we required
 c++11, these lines seemed to fix it (that was already a couple of years
 ago...), please note, I am not a guru on the subject of compilers and
 what's new in the world of c++ any advice is more then welcome. I removed
 it and verified LibreCAD compiles and runs fine on 10.7 There is no way
 for me to test on OSX 10.6 because Apple doesn't allow me to install 10.6
 in a VM. Testing on 10.8 will be done as soon as I have a couple of hours
 left over this week but not worried at this point.
 * Identation is fixed to 4 characters
 * I removed exec find to fs.traverse, but had to add a ugly test for
 Makefile in a separate if Statement because I couldn't figure out to make
 a one liner, sorry I never touched Tcl in my life so I do what works for
 me...
 * The duplicate code is removed, that was just stupid of me

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Ticket URL: <https://trac.macports.org/ticket/42342#comment:2>
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