qmk-dactyl-manuform-a/layouts/community/ortho_5x15/wanleg/rules.mk

#ifeq ($(strip $(KEYBOARD)), xd75)
#or
#ifeq (,$(findstring xd75,$(KEYBOARD)))
#something
#endif

#ifeq ($(strip $(KEYBOARD)), 40percentclub/5x5)
#or
#ifeq (,$(findstring 40percentclub/5x5,$(KEYBOARD)))
#something
#endif