Visual C++ is still broken for libffi 3.3 apparently

[plicease]

build_TBtP/libffi-3.3/msvcc.sh -m64 -DHAVE_CONFIG_H -I.  -I. -I./include -Iinclude -I./src  -I. -I./include -Iinclude -I./src  -c -o src/x86/win64_intel.lo src/x86/win64_intel.S
libtool: compile:  C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh -m64 -DHAVE_CONFIG_H -I. -I. -I./include -Iinclude -I./src -I. -I./include -Iinclude -I./src -c src/x86/win64_intel.S -o src/x86/win64_intel.obj
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
C:/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3/msvcc.sh: line 174: cygpath: command not found
win64_intel.S
src/x86/win64_intel.S(2): fatal error C1083: Cannot open include file: 'fficonfig.h': No such file or directory
make[2]: *** [src/x86/win64_intel.lo] Error 1
make[2]: Leaving directory `/c/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/c/Users/ollisg/.cpanm/work/1576105620.23268/Alien-FFI-0.23/_alien/build_TBtP/libffi-3.3'
make: *** [all] Error 2
external command failed at D:/lang/perl/vc/x64/5.31.6/site/lib/Alien/Build/CommandSequence.pm line 87.
NMAKE : fatal error U1077: 'D:\lang\perl\vc\x64\5.31.6\bin\perl.exe' : return code '0x2'
Stop.
FAIL
! Installing Alien::FFI failed. See C:\Users\ollisg\.cpanm\work\1576105620.23268\build.log for details. Retry with --force to force install it.

[plicease]

workaround for this is to use the Vcpkg libffi package, once #9 is merged and released.