[MacPorts] #64239: ffcall: fails to compile on monterey 12.1/m1

[MacPorts]

#64239: ffcall: fails to compile on monterey 12.1/m1
------------------------------+--------------------
 Reporter:  frink0            |      Owner:  (none)
     Type:  defect            |     Status:  new
 Priority:  Normal            |  Milestone:
Component:  ports             |    Version:  2.4.0
 Keywords:  ffcall, 12.1, m1  |       Port:  ffcall
------------------------------+--------------------
 On a fresh reinstall, clisp needs to install ffcall and its configure pass
 chokes here:

 [many lines elided]

 checking for complete errno.h... yes
 checking for /usr/bin/clang options needed to detect all undeclared
 functions... cannot detect
 configure: error: in
 `/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_ffcall/ffcall/work/libffcall-2.4':
 configure: error: cannot make /usr/bin/clang report undeclared builtins
 See `config.log' for more details
 Command failed:  cd
 "/opt/local/var/macports/build/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_devel_ffcall/ffcall/work/libffcall-2.4"
 && ./configure --prefix=/opt/local --mandir=/opt/local/share/man
 --infodir=/opt/local/share/info
 Exit code: 1

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Ticket URL: <https://trac.macports.org/ticket/64239>
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