.PHONY: info-applications info-applications-supported-boards

# fallback so empty RIOTBASE won't lead to "/examples/"
RIOTBASE ?= .

# 1. use wildcard to find Makefiles
# 2. use patsubst to drop trailing "/"
# 3. use patsubst to drop possible leading "./"
# 4. sort

# Prepare the list of application directories
APPLICATION_DIRS :=                   \
    fuzzing                           \
    bootloaders                       \
    examples                          \
    tests                             \
    tests/bench                       \
    tests/build_system                \
    tests/core                        \
    tests/cpu                         \
    tests/drivers                     \
    tests/net                         \
    tests/periph                      \
    tests/pkg                         \
    tests/sys                         \
    #

APPLICATION_DIRS := $(addprefix $(RIOTBASE)/,$(APPLICATION_DIRS))
APPLICATION_DIRS_RELATIVE := $(dir $(wildcard $(addsuffix /*/Makefile,$(APPLICATION_DIRS))))
APPLICATION_DIRS_ABSOLUTE := $(abspath $(APPLICATION_DIRS_RELATIVE))
APPLICATION_DIRS := $(sort $(patsubst ./%,%,$(patsubst %/,%,$(APPLICATION_DIRS_RELATIVE))))

info-applications:
	@for dir in $(APPLICATION_DIRS); do echo $$dir; done

# All applications / board output of `info-boards-supported`.
info-applications-supported-boards:
	@for dir in $(APPLICATION_DIRS); do \
	  $(MAKE) --no-print-directory -C $${dir} info-boards-supported 2>/dev/null | xargs -n 1 echo $${dir}; \
	done
# BOARDS values from 'boards.inc.mk' to only evaluate it once
info-applications-supported-boards: export BOARDS ?=