I fear that this is something that I am doing incorrectly since I haven’t seen mention of it elsewhere in the community forums but here it goes.
lib/RFID-MFRC522/src/MFRC522.h included from the Web IDE causes the following error to be thrown:
error: use of deleted function 'SPIClass::SPIClass(const SPIClass&)'
whenever the library is included in a project. This is affecting a project of mine, which compiled fine up until 2 months ago. For tracking purposes, the easiest way to duplicate this problem is by trying to compile the program
rfid-cloner.ino from the examples linked to the RFID library
In reality, the RFID library is the one that I need, but it is not directly the source of the problem.
This error is produced when compiling for the photon, revision 1.5.2 of the OS on either a Linux or mac machine, using Firefox as the browser.