[MacPorts] #59091: Poppler Build Failure XCODE 11.0 no such sysroot directory

[MacPorts]

#59091: Poppler Build Failure XCODE 11.0 no such sysroot directory
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  Reporter:  mrspambucket  |      Owner:  dbevans
      Type:  defect        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:  duplicate     |   Keywords:
      Port:  poppler       |
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Comment (by dbevans):

 In this case, gobject-introspection is passing flags from when it was
 built, not the new ones that you are using to build poppler.  Rebuilding
 all poppler dependencies as well as poppler after installing Xcode11
 yields a working build.

 Here's what I did (refer to the Migration instructions for details

 Install the following:

   * Xcode 11 (only provides 10.15 sdk not 10.14)
   * Command Line Tools for Xcode 11 (developer download) (Includes sdks
 for both 10.14/10.15)
   * MacPorts 2.6.0

 Make a list of ports installed (for later use) and uninstall them
   * sudo port uninstall installed

 Install poppler using source build option to avoid ports built with
 previous versions
   * sudo port -s install poppler

 So this is not a problem with poppler per se or gobject-introspection, but
 a case of mixed ports built with different (conflicting) build
 environments.

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Ticket URL: <https://trac.macports.org/ticket/59091#comment:5>
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