npm install with raylib dep fails

[Bloodyaugust]

...
info CMD BUILD
info RUN cmake --build "C:\Code\flappy\node_modules\raylib\build" --config Relea
se
Microsoft (R) Build Engine version 16.7.0+b89cb5fde for .NET Framework
Copyright (C) Microsoft Corporation. All rights reserved.


C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001: Invalid command lin
e switch for "cmd.exe". System.ArgumentException: Item has already been added.
Key in dictionary: 'Path'  Key being added: 'PATH' [C:\Code\flappy\node_modules
\raylib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at System.Collec
tions.Hashtable.Insert(Object key, Object nvalue, Boolean add) [C:\Code\flappy\
node_modules\raylib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at System.Collec
tions.Hashtable.Add(Object key, Object value) [C:\Code\flappy\node_modules\rayl
ib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at System.Collec
tions.Specialized.StringDictionaryWithComparer.Add(String key, String value) [C
:\Code\flappy\node_modules\raylib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at System.Diagno
stics.ProcessStartInfo.get_EnvironmentVariables() [C:\Code\flappy\node_modules\
raylib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at Microsoft.Bui
ld.Utilities.ToolTask.GetProcessStartInfo(String pathToTool, String commandLine
Commands, String responseFileSwitch) [C:\Code\flappy\node_modules\raylib\build\
ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at Microsoft.Bui
ld.Utilities.ToolTask.ExecuteTool(String pathToTool, String responseFileCommand
s, String commandLineCommands) [C:\Code\flappy\node_modules\raylib\build\ZERO_C
HECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at Microsoft.Bui
ld.CPPTasks.TrackedVCToolTask.TrackerExecuteTool(String pathToTool, String resp
onseFileCommands, String commandLineCommands) [C:\Code\flappy\node_modules\rayl
ib\build\ZERO_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at Microsoft.Bui
ld.CPPTasks.CustomBuild.ExecuteTool(String pathToTool, String responseFileComma
nds, String commandLineCommands) [C:\Code\flappy\node_modules\raylib\build\ZERO
_CHECK.vcxproj]
C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft
\VC\v160\Microsoft.CppCommon.targets(234,5): error MSB6001:    at Microsoft.Bui
ld.Utilities.ToolTask.Execute() [C:\Code\flappy\node_modules\raylib\build\ZERO_
CHECK.vcxproj]
...

I can attach a more complete log if it helps, but I think this is the relevant bits.

[RobLoach]

Hmm, good find. This will be an important thing to tackle for larger compatibility across different platforms... It might get fixed with some of the new CMake updates in raylib.