##### Vars/functions

# Make

pathParts = $(shell path="$(1)"; echo "$${path%%/*}" "$${path\#*/}")

topDir = $(word 1,$(pathParts))

subPath = $(word 2,$(pathParts))

subMake = $(MAKE) $(call subPath,$@) --directory=$(call topDir,$@) \

--makefile=../input.Makefile

# input.Makefile path is relative to subdir

# SVN

addDir = $(if $(wildcard $(1)/),svn add --depth=empty $(1),svn mkdir $(1))

##### General targets

all:

.SUFFIXES: # turn off built-in suffix rules

.SECONDARY: # don't automatically delete intermediate files

.DELETE_ON_ERROR: # delete target if recipe fails

_always:

.PHONY: _always

##### SVN

# Adds a new datasource

# Must come before $(subdir)% to override it

%/add: _always

	$(call addDir,$*)

	$(subMake)

##### Subdir forwarding

subdirs := $(wildcard */)

define subdirTargets

$(subdir): _always

	+$$(subMake)

$(subdir)%: _always

	+$$(subMake)

.PRECIOUS: $(subdir)% # let subdir's Makefile decide whether to delete on error

endef

$(foreach subdir,$(subdirs),$(eval $(subdirTargets)))

Makefile: ;

%: $(addsuffix %,$(subdirs)) _always ;