[MacPorts] #57294: libkdegames @4.14.3: 'al.h' file not found

[MacPorts]

#57294: libkdegames @4.14.3: 'al.h' file not found
--------------------------+-------------------------
  Reporter:  rlhamil      |      Owner:  NicosPavlov
      Type:  defect       |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.5.4
Resolution:               |   Keywords:  mojave
      Port:  libkdegames  |
--------------------------+-------------------------

Comment (by LenoreHorner):

 18 months later this failure is still present on Mojave.  Kencu, you've
 said twice the proposed fixes aren't right.  Do you actually know how to
 fix this?  Command line tools are installed for me.  Log attached.

-- 
Ticket URL: <https://trac.macports.org/ticket/57294#comment:12>
MacPorts <https://www.macports.org/>
Ports system for macOS