[MacPorts] #64150: fcl @0.7.0: No rule to make target `.../libm.tbd', needed by `lib/libfcl.0.7.0.dylib'

[MacPorts]

#64150: fcl @0.7.0: No rule to make target `.../libm.tbd', needed by
`lib/libfcl.0.7.0.dylib'
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  mamoll
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.1
Resolution:              |   Keywords:  bigsur
      Port:  fcl         |
-------------------------+----------------------

Comment (by mamoll):

 The file
 `/Library/Developer/CommandLineTools/SDKs/MacOSX11.0.sdk/usr/lib/libm.tbd`
 doesn't exist on my machine either. When I compile fcl with `sudo port -dv
 destroot fcl` locally on my machine, I see that libfcl is linked against
 `/Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/lib/libm.tbd`,
 which **does** exist. I have an Intel-based MacBook Pro. I wonder what
 else could explain the error.

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Ticket URL: <https://trac.macports.org/ticket/64150#comment:1>
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