### -*-makefile-*-
###
### Standard Makefile for Python packages.

default: all

PYTHON			?= python
PYTHONS			?= $(PYTHON)
prefix			?= /usr/local

###--------------------------------------------------------------------------
### Version information.

distdir			:= $(shell $(PYTHON) setup.py -q distdir)

###--------------------------------------------------------------------------
### Useful targets implemented by the `setup.py' program.

SINGLE_PYTARGETS	+= gen
CMD-gen			?= build_gen

PYTARGETS		+= all
CMD-all			?= build
$(foreach p,$(PYTHONS),all/$p):: all/%: gen

PYTARGETS		+= clean
OPTS-clean		?= --all
clean-hook::; rm -f MANIFEST RELEASE

SINGLE_PYTARGETS	+= dist
CMD-dist		?= sdist
OPTS-dist		+= --dist-dir .

PYTARGETS		+= install
OPTS-install		+= --prefix $(prefix) \
				$(and $(DESTDIR),--root $(DESTDIR))

PYTARGETS		+= check
CMD-check		?= test
$(foreach p,$(PYTHONS),check/$p):: check/%: all/%

###--------------------------------------------------------------------------
### Interfacing `setup.py' to make.

pysetup = $(or $2,$(PYTHON)) setup.py \
	$(if $(filter-out undefined,$(origin CMD-$1)),$(CMD-$1),$1) \
	$(OPTS-$1) $(OPTS-$1/$(or $2,$(PYTHON)))

PYTHON_PYTARGETS	 = $(foreach t, $(PYTARGETS), \
				$(foreach p, $(PYTHONS), \
					$t/$p))
ALL_PYTARGETS		 = $(PYTARGETS)
ALL_PYTARGETS		+= $(SINGLE_PYTARGETS) $(PYTHON_PYTARGETS)

$(foreach t, $(ALL_PYTARGETS), $t-hook):: %:

$(SINGLE_PYTARGETS):: %: %-hook setup.py
	$(call pysetup,$*)
$(PYTARGETS):: %: %-hook $(foreach p, $(PYTHONS), %/$p)
$(PYTHON_PYTARGETS):: %: %-hook setup.py
	$(call pysetup,$(patsubst %/,%,$(dir $*)),$(notdir $*))

.PHONY: $(ALL_PYTARGETS)

###--------------------------------------------------------------------------
### Release builds.

distcheck:
	rm -rf _distcheck
	$(PYTHON) setup.py sdist --dist-dir _distcheck
	cd _distcheck && tar xvfz $(distdir).tar.gz
	cd _distcheck/$(distdir) && $(MAKE) check && $(MAKE) dist
	cp _distcheck/$(distdir)/$(distdir).tar.gz .
	rm -rf _distcheck

###----- That's all, folks --------------------------------------------------