Marian Buschsieweke ba7815163c Makefile*: Allow multiple external board dirs ... - Add the new EXTERNAL_BOARD_DIRS variable that can contain a space separated list of folders containing external boards - Introduce $(BOARDDIR) as shortcut for $(BOARDSDIR)/$(BOARD) - Map the existing BOARDSDIR to the new approach - If BOARDSDIR is provided by the user, it will be added to EXTERNAL_BOARD_DIRS for backward compatibility. (And a warning is issued to encourage users migrating to EXTRA_BOARDS.) - BOARDSDIR is updated after the board is found to "$(BOARDDIR)/..". - Useful for `include $(BOARDSDIR)/common/external_common/Makefile.dep` - Provides backward compatibility		2020-04-29 18:32:39 +02:00
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doxygen	Makefile*: Allow multiple external board dirs	2020-04-29 18:32:39 +02:00
memos	doc: fix typos	2019-11-23 22:39:38 +01:00