ROOT=/home/matthewt/manyperls

PERLDIST=perl-$(PERLVERSION)

PERLTARBALL=$(PERLDIST).tar.gz

FULLTARBALLPATH=sources/$(PERLTARBALL)

source: $(FULLTARBALLPATH)

$(FULLTARBALLPATH):
	bin/download_perl.pl $(PERLVERSION)

PERLTHR=n
PERLMUL=n

PERLTYPE=thr=$(PERLTHR),mul=$(PERLMUL)

UNPACKPATH=src/$(PERLTYPE)

unpack: $(UNPACKPATH)/$(PERLDIST)/.unpacked

$(UNPACKPATH)/$(PERLDIST)/.unpacked: $(FULLTARBALLPATH)
	mkdir -p $(UNPACKPATH)
	tar -C $(UNPACKPATH) -xzf $(FULLTARBALLPATH)
	touch $(UNPACKPATH)/$(PERLDIST)/.unpacked

unconfig:
	rm $(UNPACKPATH)/$(PERLDIST)/config.sh
	rm $(UNPACKPATH)/$(PERLDIST)/Policy.sh

config: $(UNPACKPATH)/$(PERLDIST)/config.sh

PERLPREFIX=$(ROOT)/perl/$(PERLTYPE)/$(PERLVERSION)

prefixdir: $(PERLPREFIX)/.created

$(PERLPREFIX)/.created:
	mkdir -p $(PERLPREFIX)
	touch $(PERLPREFIX)/.created

ifeq ($(PERLTHR),y)
CONF_FOR_THR=-Dusethreads 
else
CONF_FOR_THR=
endif

ifeq ($(PERLMUL),y)
CONF_FOR_MUL=-Dmultiplicity 
else
CONF_FOR_MUL=
endif

CONFARGS=-Dprefix=$(PERLPREFIX) $(CONF_FOR_THR)$(CONF_FOR_MUL)-des

$(UNPACKPATH)/$(PERLDIST)/config.sh: $(UNPACKPATH)/$(PERLDIST)/.unpacked $(PERLPREFIX)/.created
	cd $(UNPACKPATH)/$(PERLDIST) && sh Configure $(CONFARGS)

install: $(PERLPREFIX)/bin/perl

$(PERLPREFIX)/bin/perl: $(UNPACKPATH)/$(PERLDIST)/config.sh
	cd $(UNPACKPATH)/$(PERLDIST) && make install