### -*-makefile-*-

all:
clean::

.SECONDEXPANSION: # sorry

bindir			 = ../bin

V			 = 0
V_AT			 = $(V_AT_$V)
V_AT_0			 = @
v-tag			 = $(call v-tag_$V,$1)
v-tag_0			 = @printf "  %-12s %s\n" "$1" "$@";

CC			 = gcc
CFLAGS			 = -O2 -g -pedantic -Wall -Werror

LD			 = gcc
LDFLAGS			 =

ARCH			+= i686
CFLAGS_i386		 = -m32

ARCH			+= x86_64
CFLAGS_amd64		 = -m64

PROGS			+= dvd-sector-copy
dvd-sector-copy_SRCS	 = dvd-sector-copy.c
dvd-sector-copy_LIBS	 = -ldvdread -lm

SCRIPTS			+= dvdrip
SCRIPTS			+= dvdrip-upload

define setup-arch
obj.$1/%.o: %.c
	$$(V_AT)mkdir -p $$(dir $$@)
	$$(call v-tag,CC [$1])$$(CC) -c $$(CFLAGS) $$(CFLAGS_$1) -o$$@ -MD -MF obj.$1/$$*.dep $$<
clean::; rm -rf obj.$1
endef
$(foreach a,$(ARCH), $(eval $(call setup-arch,$a)))

objects			 = $(addsuffix $(or $2,.o),$(basename $(filter %.c %.s %.S,$1)))

ALL_PROGS		+= $(foreach a,$(ARCH), \
				$(foreach p,$(PROGS), $(bindir)/$p.$a))
TARGETS			+= $(ALL_PROGS)
program-name		 = $(basename $1)
program-arch		 = $(patsubst .%,%,$(suffix $1))
program-sources		 = $($(call program-name,$1)_SRCS) \
				$($(call program-name,$1)_SRCS_$(call program-arch,$1))
program-objects		 = $(addprefix obj.$(call program-arch,$1)/, \
				$(call objects,$(call program-sources,$1),$2))
$(ALL_PROGS): $(bindir)/%: $$(call program-objects,$$*) $$($$(call program-name,$$*)_DEPS)
	$(call v-tag,LD [$(call program-arch,$*)])$(LD) \
		$(LDFLAGS) $(LDFLAGS_$(call program-arch,$*)) -o$@ \
		$(call program-objects,$*) \
		$($(call program-name,$*)_LIBS) \
		$($(call program-name,$*)_LIBS_$(call program-arch,$*))

ALL_SCRIPTS		 = $(addprefix $(bindir)/, $(SCRIPTS))
TARGETS			+= $(ALL_SCRIPTS)
$(ALL_SCRIPTS): $(bindir)/%: %
	$(call v-tag,SCRIPT)install $* $@

p:; : $p

all: $(TARGETS)
clean::; rm -f $(TARGETS)

-include $(foreach p,$(notdir $(ALL_PROGS)), $(call program-objects,$p,.dep))