ARCH:=$(shell ./config.guess)
BASIC_MODES=debug release
BASIC_REDISPLAYS=gtk x11 tty
BASIC_FLAVORS=mule nomule
EXOTIC_FLAVORS=union nounion

FLAVORS=$(foreach mode, $(BASIC_MODES), $(addprefix $(mode)/, $(foreach redisplay, $(BASIC_REDISPLAYS), $(addprefix $(redisplay)/, $(foreach basic, $(BASIC_FLAVORS), $(addprefix $(basic)/, $(EXOTIC_FLAVORS)))))))

DIRS=$(addprefix $(ARCH)/,$(FLAVORS))
CONFIGS=$(DIRS:=/config.status)
BINARIES=$(DIRS:=/bogus)

common_args=--site-prefixes=/usr/local
union_args=--use-union-type
nounion_args=--use-union-type=no
debug_args=--debug --error-checking=all
release_args=--error-checking=none
mule_args=--with-mule
nomule_args=--with-mule=no
tty_args=--with-x11=no --with-tty
x11_args=--with-dragndrop
gtk_args=--with-gtk=yes --with-dragndrop

.PHONY: $(BINARIES)

all: configs $(BINARIES)

configs: $(CONFIGS)

$(CONFIGS): configure
	test -d $(@D) || mkdir -p $(@D)
	cd $(@D) && ../../../../../configure $(common_args) $(foreach flag, $(addsuffix _args, $(subst /, , $(@D))), $($(flag)))

$(BINARIES):
	cd $(@D) && $(MAKE)