[MacPorts] #52210: libsdl2 can build on 10.6, but instructions a bit vague

[MacPorts]

#52210: libsdl2 can build on 10.6, but instructions a bit vague
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  Reporter:  kenneth.f.cunningham@…  |      Owner:  jmroot
      Type:  defect                  |     Status:  new
  Priority:  Low                     |  Milestone:
 Component:  ports                   |    Version:
Resolution:                          |   Keywords:
      Port:  libsdl2                 |
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Comment (by ryandesign):

 The MacOSX10.7 SDK from Xcode 4.6.3 is on the 10.6 buildbot workers now.
 The [https://build.macports.org/builders/ports-10.6_i386_legacy-
 builder/builds/9811 build still fails], perhaps because gcc and old clang
 haven't been blacklisted as [https://github.com/macports/macports-
 ports/pull/10/commits/dda75feb52b2c20d56976c7a60daf144fc416b39 suggested
 in this PR].

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Ticket URL: <https://trac.macports.org/ticket/52210#comment:18>
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