Cannot package for Android with engine binary build on other computers

I’ve made a binary build of the engine for my team to use but on their computers I get the following errors when I try to package for Android:

UATHelper: Packaging (Android (ASTC)):     C:/NVPACK/android-ndk-r14b/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: error: cannot find -lwebsockets
UATHelper: Packaging (Android (ASTC)):     C:/NVPACK/android-ndk-r14b/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: error: cannot find -lssl
UATHelper: Packaging (Android (ASTC)):     C:/NVPACK/android-ndk-r14b/toolchains/arm-linux-androideabi-4.9/prebuilt/windows-x86_64/lib/gcc/arm-linux-androideabi/4.9.x/../../../../arm-linux-androideabi/bin\ld: error: cannot find -lcrypto
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:193: error: undefined reference to 'lws_set_wsi_user'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:405: error: undefined reference to 'lws_client_connect_via_info'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:458: error: undefined reference to 'lws_write'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:488: error: undefined reference to 'lws_add_http_header_by_name'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:514: error: undefined reference to 'lws_set_wsi_user'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketBase.cpp:529: error: undefined reference to 'lws_set_wsi_user'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:81: error: undefined reference to 'lws_wsi_user'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:194: error: undefined reference to 'lws_create_context'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:209: error: undefined reference to 'lws_callback_on_writable_all_protocol'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:210: error: undefined reference to 'lws_service'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:209: error: undefined reference to 'lws_callback_on_writable_all_protocol'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Source/WebSocket/Private/WebSocketContext.cpp:210: error: undefined reference to 'lws_service'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Intermediate/Build/Android/UE4/Shipping/WebSocket/Module.WebSocket.2_of_2.cppa7.o:C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Intermediate/Build/Android/UE4/Shipping/WebSocket/Module.WebSocket.2_of_2.cpp:exts: error: undefined reference to 'lws_extension_call
back_pm_deflate'
UATHelper: Packaging (Android (ASTC)):     C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Intermediate/Build/Android/UE4/Shipping/WebSocket/Module.WebSocket.2_of_2.cppa7.o:C:/Projects/TronVR/Unreal/TronVR/Plugins/WebSocket/Intermediate/Build/Android/UE4/Shipping/WebSocket/Module.WebSocket.2_of_2.cpp:exts: error: undefined reference to 'lws_extension_call
back_pm_deflate'
UATHelper: Packaging (Android (ASTC)):     clang++.exe: error: linker command failed with exit code 1 (use -v to see invocation)
PackagingResults: Error: cannot find -lwebsockets
PackagingResults: Error: cannot find -lssl
PackagingResults: Error: cannot find -lcrypto
PackagingResults: Error: undefined reference to 'lws_set_wsi_user'
PackagingResults: Error: undefined reference to 'lws_client_connect_via_info'
PackagingResults: Error: undefined reference to 'lws_write'
PackagingResults: Error: undefined reference to 'lws_add_http_header_by_name'
PackagingResults: Error: undefined reference to 'lws_set_wsi_user'
PackagingResults: Error: undefined reference to 'lws_set_wsi_user'
PackagingResults: Error: undefined reference to 'lws_wsi_user'
PackagingResults: Error: undefined reference to 'lws_create_context'
PackagingResults: Error: undefined reference to 'lws_callback_on_writable_all_protocol'
PackagingResults: Error: undefined reference to 'lws_service'
PackagingResults: Error: undefined reference to 'lws_callback_on_writable_all_protocol'
PackagingResults: Error: undefined reference to 'lws_service'
PackagingResults: Error: undefined reference to 'lws_extension_callback_pm_deflate'
PackagingResults: Error: undefined reference to 'lws_extension_callback_pm_deflate'
PackagingResults: Error: linker command failed with exit code 1 (use -v to see invocation)

Packaging works fine for me with the exact same build. Androidworks is installed on all machines. I’m using Visual studio 2019 and they’re still on 2017, maybe that’s why?

Figured out what was causing this. SVN ignores .a files by default and the plugin included .a libs in the thirdparty folder. Removing .a from the ignored file extensions list in SVN solved the issue.