[MacPorts] #64836: ghc build error on arm: 'ffitarget_arm64.h' file not found

[MacPorts]

#64836: ghc build error on arm: 'ffitarget_arm64.h' file not found
------------------------+--------------------
  Reporter:  essandess  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:
      Port:  ghc        |
------------------------+--------------------

Comment (by essandess):

 Thanks, I tried both of these without success:

 {{{
 configure.cppflags-append \
                     -I${configure.sdkroot}/usr/include/ffi
 }}}

 {{{
 build.env-append    "C_INCLUDE_PATH=${configure.sdkroot}/usr/include/ffi"
 }}}

-- 
Ticket URL: <https://trac.macports.org/ticket/64836#comment:2>
MacPorts <https://www.macports.org/>
Ports system for macOS