SHELL := bash
.ONESHELL:
.SHELLFLAGS := -eu -o pipefail -c
.DELETE_ON_ERROR:
MAKEFLAGS += --warn-undefined-variables
MAKEFLAGS += --no-builtin-rules
SRCFILES := $(wildcard *.org)
OUTFILES := $(patsubst %.org,%.tree.txt,$(SRCFILES))

ifeq ($(origin .RECIPEPREFIX), undefined)
  $(error This Make does not support .RECIPEPREFIX. Please use GNU Make 4.0 or later)
endif
.RECIPEPREFIX = >

.PHONY: all
all: $(OUTFILES)

.PHONY: clean
clean:
> rm -rf $(OUTFILES)

%.tree.txt: %.org ../common.el ../dump_org_ast.bash
> ../dump_org_ast.bash $< $@