# next line has to be edited manually
PD_DIR ?= $(ROOT_DIR)/../../pd/src
PD_INCLUDE = $(PD_DIR)

OS_NAME = $(shell uname -s)

# Debian has options for the GNU HURD and kFreeBSD kernels
ifeq ($(OS_NAME),GNU)
  OS_NAME=Linux
endif
ifeq ($(OS_NAME),GNU/kFreeBSD)
  OS_NAME=Linux
endif

ifneq ($(OS_NAME),Linux)
ifneq ($(OS_NAME),Darwin)
ifeq (,$(findstring MinGW,$(OS_NAME)))
ifeq (,$(findstring MINGW,$(OS_NAME)))
$(error Fatal error: unknown environment "$(OS_NAME)".  Aborting...)
else
OS_NAME = MinGW
endif
else
OS_NAME = MinGW
endif
endif
endif

MY_NAME = $(shell id -un)

# remove this restriction LATER, when TCL_LIB is ./configured
ifeq ($(MY_NAME),krzYszcz)
# TCL_LIB should be set (or not) before "include Makefile.sources"
TCL_LIB = -l$(shell grep -osm1 'tcl8\.[345]' $(PD_DIR)/makefile)
endif

TILDE = ~

-include Makefile.dirs
include Makefile.sources
include Makefile.objects

default: define_build all

ifeq ($(OS_NAME),Linux)
X_SUFFIX = pd_linux
CC = gcc
LFLAGS = -Wl,--export-dynamic -shared
# FIXME strict-aliasing
OPT_CFLAGS = -O6 -funroll-loops -fomit-frame-pointer -fno-strict-aliasing -fPIC
ifeq ($(MY_NAME),krzYszcz)
DEFINES = -DUNIX -DHAVE_UNISTD_H -DKRZYSZCZ
else
DEFINES = -DUNIX -DHAVE_UNISTD_H
endif
endif

# FIXME test if it actually works
ifeq ($(OS_NAME),MinGW)
CC = gcc
X_SUFFIX = dll
# OPT_CFLAGS gets overridden in Pd-extended builds for optimization
# flags, so stick -mms-bitfieds here so that it doesn't get overridden
DEFINES = -mms-bitfields
OPT_CFLAGS = -funroll-loops
LFLAGS = -shared -L$(PD_DIR) -L$(PD_DIR)/../bin/ -lpd
endif

ifeq ($(OS_NAME),Darwin)
CC = gcc
X_SUFFIX = pd_darwin
DEFINES = -DUNIX -DHAVE_UNISTD_H
OPT_CFLAGS = -O2 -funroll-loops -fomit-frame-pointer
# perhaps "-undefined suppress" would be a better choice, when we go dynamic
# with our own common code? (not likely to happen soon...)
LFLAGS = -bundle -bundle_loader $(PD_DIR)/pd -undefined dynamic_lookup
endif

SHARED_DIR = $(ROOT_DIR)/shared
OBJ_DIR = .
BIN_DIR = $(ROOT_DIR)/bin
OUT_DIR = $(if $($1_SUBDIR),$(BIN_DIR)/$($1_SUBDIR),$(BIN_DIR))

# for current versions, $(BASE_DIR) equals $(BASE_NAME), for prior versions,
# $(BASE_DIR) equals $(BASE_NAME)-$(VERSION)
BASE_DIR = $(shell basename `pwd`)
BASE_NAME = $(shell basename `pwd` | awk -F - '{print $$1}')

INCLUDES = -I. -I$(PD_DIR) -I$(PD_INCLUDE) -I$(SHARED_DIR)

ifdef CAML_TYPES
include $(ROOT_DIR)/Makefile.caml
endif

# CX: control external's main file
# AX: audio (tilde) external's main file
# LX: alias external's main file
#     (if alias external is tilde-only, use OTHER_SOURCES and AX_CLASSES)

CX_NAMES = $(notdir $(CX_SOURCES))
AX_NAMES = $(notdir $(AX_SOURCES))
TYPES_NAMES = $(notdir $($1_SOURCES))

ifdef LX_SOURCES
LX_NAMES = $(subst _,.,$(notdir $(LX_SOURCES)))
LX_CLASSES = $(LX_NAMES:.c=)
endif

CX_DIR = $(dir $(firstword $(CX_SOURCES)))
AX_DIR = $(dir $(firstword $(AX_SOURCES)))
TYPES_DIR = $(dir $(firstword $($1_SOURCES)))

TYPES_EXTERNS = \
	$(patsubst %.c,%$($1_TILDE).$(X_SUFFIX),$(call TYPES_NAMES,$1))

SOURCES = $(CX_SOURCES) $(AX_SOURCES) $(LX_SOURCES) $(OTHER_SOURCES) \
	$(foreach type,$(TYPES),$($(type)_SOURCES)) \
	$(foreach type,$(TYPES),$($(type)_PRIVATEOBJECTS:.o=.c))

ifeq ($(MY_NAME),krzYszcz)
WARN_CFLAGS = -Wall -W -Wstrict-prototypes -Werror \
	-Wno-unused -Wno-parentheses -Wno-switch
else
WARN_CFLAGS = -Wall -W -Wstrict-prototypes \
	-Wno-unused -Wno-parentheses -Wno-switch
endif

DBG_CFLAGS = 
CFLAGS = $(WARN_CFLAGS) $(OPT_CFLAGS) $(DEFINES) $(INCLUDES)

EXTERNS = $(foreach fn,$(CX_NAMES:.c=.$(X_SUFFIX)),$(BIN_DIR)/$(fn)) \
	$(foreach fn,$(AX_NAMES:.c=~.$(X_SUFFIX)),$(BIN_DIR)/$(fn)) \
	$(foreach fn,$(CX_CLASSES:=.$(X_SUFFIX)),$(BIN_DIR)/$(fn)) \
	$(foreach fn,$(AX_CLASSES:=~.$(X_SUFFIX)),$(BIN_DIR)/$(fn)) \
	$(foreach fn,$(LX_CLASSES:=.$(X_SUFFIX)),$(BIN_DIR)/$(fn)) \
	$(if $(LX_STUBCLASS),$(BIN_DIR)/$(LX_STUBCLASS:=.$(X_SUFFIX))) \
	$(foreach type,$(TYPES),\
		$(foreach fn,$(call TYPES_EXTERNS,$(type)), \
			$(call OUT_DIR,$(type))/$(fn)))

TYPES_RULE = $(foreach fn,$(call TYPES_EXTERNS,$1),$(call OUT_DIR,$1)/$(fn)): \
		$(call OUT_DIR,$1)/%$($1_TILDE).$(X_SUFFIX) \
		: $(call TYPES_DIR,$1)%.o \
			$($1_PRIVATEOBJECTS) $($1_FOREIGNOBJECTS) \
			$(foreach obj,$($1_OBJECTS),$(SHARED_DIR)/$(obj)) \
	; $(CC) -o $$@ $(CFLAGS) $(LFLAGS) $$+ $($1_LIBS)

# LATER find a better way...
$(if $(word 1,$(TYPES)),$(call TYPES_RULE,$(word 1,$(TYPES))))
$(if $(word 2,$(TYPES)),$(call TYPES_RULE,$(word 2,$(TYPES))))
$(if $(word 3,$(TYPES)),$(call TYPES_RULE,$(word 3,$(TYPES))))
$(if $(word 4,$(TYPES)),$(call TYPES_RULE,$(word 4,$(TYPES))))
$(if $(word 5,$(TYPES)),$(call TYPES_RULE,$(word 5,$(TYPES))))
$(if $(word 6,$(TYPES)),$(call TYPES_RULE,$(word 6,$(TYPES))))
$(if $(word 7,$(TYPES)),$(call TYPES_RULE,$(word 7,$(TYPES))))
$(if $(word 8,$(TYPES)),$(call TYPES_RULE,$(word 8,$(TYPES))))
$(if $(word 9,$(TYPES)),$(call TYPES_RULE,$(word 9,$(TYPES))))
$(if $(word 10,$(TYPES)),$(call TYPES_RULE,$(word 10,$(TYPES))))
$(if $(word 11,$(TYPES)),$(call TYPES_RULE,$(word 11,$(TYPES))))
$(if $(word 12,$(TYPES)),$(call TYPES_RULE,$(word 12,$(TYPES))))
$(if $(word 13,$(TYPES)),$(call TYPES_RULE,$(word 13,$(TYPES))))
$(if $(word 14,$(TYPES)),$(call TYPES_RULE,$(word 14,$(TYPES))))
$(if $(word 15,$(TYPES)),$(call TYPES_RULE,$(word 15,$(TYPES))))
$(if $(word 16,$(TYPES)),$(call TYPES_RULE,$(word 16,$(TYPES))))
$(if $(word 17,$(TYPES)),$(call TYPES_RULE,$(word 17,$(TYPES))))
$(if $(word 18,$(TYPES)),$(call TYPES_RULE,$(word 18,$(TYPES))))
$(if $(word 19,$(TYPES)),$(call TYPES_RULE,$(word 19,$(TYPES))))
$(if $(word 20,$(TYPES)),$(call TYPES_RULE,$(word 20,$(TYPES))))
$(if $(word 21,$(TYPES)),$(call TYPES_RULE,$(word 21,$(TYPES))))
$(if $(word 22,$(TYPES)),$(call TYPES_RULE,$(word 22,$(TYPES))))
$(if $(word 23,$(TYPES)),$(call TYPES_RULE,$(word 23,$(TYPES))))
$(if $(word 24,$(TYPES)),$(call TYPES_RULE,$(word 24,$(TYPES))))
$(if $(word 25,$(TYPES)),$(call TYPES_RULE,$(word 25,$(TYPES))))
$(if $(word 26,$(TYPES)),$(call TYPES_RULE,$(word 26,$(TYPES))))
$(if $(word 27,$(TYPES)),$(call TYPES_RULE,$(word 27,$(TYPES))))
$(if $(word 28,$(TYPES)),$(call TYPES_RULE,$(word 28,$(TYPES))))
$(if $(word 29,$(TYPES)),$(call TYPES_RULE,$(word 29,$(TYPES))))
$(if $(word 30,$(TYPES)),$(call TYPES_RULE,$(word 30,$(TYPES))))
$(if $(word 31,$(TYPES)),$(call TYPES_RULE,$(word 31,$(TYPES))))
$(if $(word 32,$(TYPES)),$(call TYPES_RULE,$(word 32,$(TYPES))))

SHOBJECTS = $(foreach fn,$(SHARED_OBJECTS),$(SHARED_DIR)/$(fn))
LXSHOBJECTS = $(foreach fn,$(LXSHARED_OBJECTS),$(SHARED_DIR)/$(fn))

OBJECTS = $(foreach fn,$(OTHER_SOURCES:.c=.o),$(OBJ_DIR)/$(fn)) \
	$(foreach fn,$(LX_SOURCES:.c=.o),$(OBJ_DIR)/$(fn)) \
	$(SHOBJECTS)

# lame...
.PRECIOUS: %.o

# library stub equals $(BASE_NAME) by default, otherwise
# it has to be declared explicitly in $(BASE_DIR)/Makefile.sources
ifdef LX_STUBCLASS
$(BIN_DIR)/$(LX_STUBCLASS).$(X_SUFFIX): $(BASE_NAME)_loader.c $(LXSHOBJECTS)
	$(CC) -o $@ -Xlinker -defsym \
		-Xlinker $(LX_STUBCLASS)_setup=$(BASE_NAME)_loader_setup \
		$(CFLAGS) $(LFLAGS) $(LXSHOBJECTS) $<
ifndef LX_STUB
LX_STUB = $(LX_STUBCLASS)
endif
else
ifndef LX_STUB
LX_STUB = $(BASE_NAME)
endif
endif

# rules for aliases must precede generic extern rules

$(BIN_DIR)/$(LX_STUB).%~.$(X_SUFFIX): $(BASE_NAME)_loader.c $(LXSHOBJECTS)
	$(CC) -o $@ -Xlinker -defsym \
		-Xlinker $(LX_STUB).$(*F)_tilde_setup=$(BASE_NAME)_loader_setup \
		$(CFLAGS) $(LFLAGS) $(LXSHOBJECTS) $<

$(BIN_DIR)/$(LX_STUB).%.$(X_SUFFIX): $(BASE_NAME)_loader.c $(LXSHOBJECTS)
	$(CC) -o $@ -Xlinker -defsym \
		-Xlinker $(LX_STUB).$(*F)_setup=$(BASE_NAME)_loader_setup \
		$(CFLAGS) $(LFLAGS) $(LXSHOBJECTS) $<

# generic rule for audio externals
$(BIN_DIR)/%~.$(X_SUFFIX): $(AX_DIR)%.c $(OBJECTS)
	$(CC) -o $@ $(CFLAGS) $(LFLAGS) $(OBJECTS) $<

# generic rule for control externals
$(BIN_DIR)/%.$(X_SUFFIX): $(CX_DIR)%.c $(OBJECTS)
	$(CC) -o $@ $(CFLAGS) $(LFLAGS) $(OBJECTS) $<

SUBDIRS = @for i in $(MIXED_DIRS) and_in_case_it_is_null ; \
		do ( if [ -d $$i ] ; then \
			cd $$i; $(MAKE) $@ ; fi ) ; done

SUBDIRS_DEFAULT = @for i in $(MIXED_DIRS) and_in_case_it_is_null ; \
		do ( if [ -d $$i ] ; then \
			cd $$i; $(MAKE) ; fi ) ; done

define_build:
	@if [ -f build_counter ] && [ `id -un` = krzYszcz ] && \
		[ `date -r build_counter +%j` != `date +%j` ] ; then \
		mv build_counter build_counter~ ; \
		echo -n 'increment build counter (y/n)? [n]' ; read doit ; \
		if [ $$doit ] && [ $$doit == 'y' ] ; then \
			head -3 build_counter~ | \
	awk '{if (index($$2,"BUILD")) print $$1, $$2, $$3+1; else print}' \
			> build_temporary ; \
			cat build_temporary | \
	awk 'BEGIN {printf "\n#if 0\n"; \
		printf toupper("$(BASE_NAME)_SNAPSHOT = ")} \
	    {gsub("\"","",$$3); printf $$3; if (NR==1) printf "-"} \
	    END {printf "\n#endif\n" }' | \
			cat build_temporary - > build_counter ; \
			rm -f build_temporary ; \
		else cat build_counter~ > build_counter ; fi \
	fi

all$(BASE_NAME)s.c: Makefile.sources
	$(ROOT_DIR)/dumpsetups > $@

all: $(EXTERNS)
	$(SUBDIRS_DEFAULT)

clean:: emptydeps
# remove all objects and externs that are contained in current directory
	-rm -f *.o *.$(X_SUFFIX)
	$(SUBDIRS)

cleanall: clean
# remove default target externs
	-rm -f $(EXTERNS)
	$(SUBDIRS)
# added by Hans-Christoph Steiner <hans@eds.org> to remove
# files created when making MacOS X packages
	-rm -Rf ../installroot

OLDROOT_DIR = $(shell ls -d -1 ../../Mixed-* | tail -1)

diff:
	@echo -n > diff.out ; \
	for f in {*.h,*.c} ; do \
		if [ -f $$f ] ; then \
			diff -u $(OLDROOT_DIR)/$(BASE_DIR)/$$f $$f >> diff.out ; \
		fi \
	done

VERSION = $(shell awk \
	'{if (index($$2,"VERSION")) print substr($$3,2,length($$3)-2)}' \
	build_counter)
RELEASE = $(shell awk \
	'{if (index($$2,"RELEASE")) print substr($$3,2,length($$3)-2)}' \
	build_counter)
BUILD = $(shell awk '{if (index($$2,"BUILD")) print $$3}' build_counter)

RELEASE_STUB = release/$(BASE_NAME)-$(VERSION)-$(RELEASE)$(BUILD)
SRC_TAR = $(RELEASE_STUB)-src.tar
BIN_TAR = $(RELEASE_STUB)-bin.tar
LIB_TAR = $(RELEASE_STUB)-lib.tar
DOC_TAR = $(RELEASE_STUB)-doc.tar
ALL_TAR = $(RELEASE_STUB)-all.tar
REL_BINDIR = bin

REL_LIBNAMES = $(foreach fn,$(RELEASE_LIBS:=.$(X_SUFFIX)),$(REL_BINDIR)/$(fn))

REL_EXTERNS = $(foreach fn,$(CX_NAMES:.c=.$(X_SUFFIX)),$(REL_BINDIR)/$(fn)) \
	$(foreach fn,$(AX_NAMES:.c=~.$(X_SUFFIX)),$(REL_BINDIR)/$(fn)) \
	$(foreach fn,$(CX_CLASSES:=.$(X_SUFFIX)),$(REL_BINDIR)/$(fn)) \
	$(foreach fn,$(AX_CLASSES:=~.$(X_SUFFIX)),$(REL_BINDIR)/$(fn)) \
	$(foreach fn,$(LX_CLASSES:=.$(X_SUFFIX)),$(REL_BINDIR)/$(fn)) \
	$(if $(LX_STUBCLASS),$(REL_BINDIR)/$(LX_STUBCLASS:=.$(X_SUFFIX))) \
	$(REL_LIBNAMES) $(foreach fn,$(RELEASE_APPS),$(REL_BINDIR)/$(fn)) \
	$(foreach type,$(TYPES),\
		$(foreach fn,$(call TYPES_EXTERNS,$(type)),$(REL_BINDIR)/$(fn)))

REL_ROOTSRC = LICENSE.txt Makefile.common dumpsetups

srelease: emptydeps define_build
	cd $(ROOT_DIR)/shared; $(MAKE) emptydeps
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-all.exclude -cf \
		$(SRC_TAR) $(BASE_DIR)/* $(REL_ROOTSRC)
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-shared.include -rf \
		$(SRC_TAR)
	cd $(ROOT_DIR); gzip -f $(SRC_TAR)

stestrelease: emptydeps define_build
	cd $(ROOT_DIR)/shared; $(MAKE) emptydeps
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-all.exclude -cf \
		$(SRC_TAR) $(BASE_DIR)/* $(REL_ROOTSRC)
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-shared.include -rf \
		$(SRC_TAR)
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-test.exclude -rf \
		$(SRC_TAR) test/$(BASE_NAME)/*
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-help.include -rf \
		$(SRC_TAR)
	cd $(ROOT_DIR); tar -rf $(SRC_TAR) bin/notes.txt
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-vicious.exclude -rf \
		$(SRC_TAR) ViCious/$(BASE_DIR)/*
	cd $(ROOT_DIR); gzip -f $(SRC_TAR)

brelease: define_build
	cd $(ROOT_DIR); tar zcf \
		$(BIN_TAR).gz $(REL_EXTERNS)

btestrelease: define_build
	cd $(ROOT_DIR); tar -cf $(BIN_TAR) $(REL_EXTERNS)
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-test.exclude -rf \
		$(BIN_TAR) test/$(BASE_NAME)/*
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-help.include -rf \
		$(BIN_TAR)
	cd $(ROOT_DIR); gzip -f $(BIN_TAR)

rellibs:
	cd $(ROOT_DIR); tar zcf \
		$(LIB_TAR).gz $(REL_LIBNAMES)

drelease: define_build
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-doc.exclude -zcf \
		$(DOC_TAR).gz doc/examples/$(BASE_NAME)/*

release: srelease brelease drelease
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-all.exclude -cf \
		$(ALL_TAR) $(BASE_DIR)/* $(REL_ROOTSRC) $(REL_EXTERNS)
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-shared.include -rf \
		$(ALL_TAR)
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-doc.exclude -rf \
		$(ALL_TAR) doc/examples/$(BASE_NAME)/*
	cd $(ROOT_DIR); gzip -f $(ALL_TAR)

testrelease: stestrelease btestrelease
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-all.exclude -cf \
		$(ALL_TAR) $(BASE_DIR)/* $(REL_ROOTSRC) $(REL_EXTERNS)
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-shared.include -rf \
		$(ALL_TAR)
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-test.exclude -rf \
		$(ALL_TAR) test/$(BASE_NAME)/*
	cd $(ROOT_DIR); tar -T $(BASE_DIR)/$(BASE_NAME)-help.include -rf \
		$(ALL_TAR)
	cd $(ROOT_DIR); tar -X $(BASE_DIR)/$(BASE_NAME)-vicious.exclude -rf \
		$(ALL_TAR) ViCious/$(BASE_DIR)/*
	cd $(ROOT_DIR); gzip -f $(ALL_TAR)

snap: emptyalldeps stestrelease btestrelease

depend:
	$(CC) $(CFLAGS) -M $(SOURCES) > Makefile.deps
	$(SUBDIRS)

emptydeps:
	-rm -f Makefile.deps
	touch Makefile.deps
	chmod 666 Makefile.deps

emptyalldeps: emptydeps
	$(SUBDIRS)

Makefile.deps:
	touch Makefile.deps
	chmod 666 Makefile.deps

-include Makefile.deps

# added by Hans-Christoph Steiner <hans@eds.org>
# to generate MacOS X packages

# krzYszcz:
# LATER try making cyclone-specifics abstracted out ala linux release
# keep cyclone libs, because they offer the max->pd import facility

PACKAGE_PREFIX = pd-mixed
PACKAGE_NAME = $(PACKAGE_PREFIX)-$(VERSION)-$(RELEASE)$(BUILD)

darwin_pkg_license:
  # generate HTML version of License
	echo "<HTML><BODY><FONT SIZE="-1">" > License.html
	cat $(ROOT_DIR)/LICENSE.txt | sed -e 's/^$$/\<P\>/g' >> License.html	
	echo "</FONT></BODY></HTML>" >> License.html

darwin_pkg_clean:
	-sudo rm -Rf installroot/ pd-*.pkg/
	-rm -f $(PACKAGE_PREFIX)-*.info *~ 1 License.html

# install into MSP's default: /usr/local/lib

darwin_pkg: darwin_pkg_clean darwin_pkg_license
# compile externals
#	cd $(ROOT_DIR)/toxy && make
	cd $(ROOT_DIR)/cyclone && make
# set up installroot dir
	test -d installroot/lib/pd/doc/5.reference || mkdir -p installroot/lib/pd/doc/5.reference
	cp $(ROOT_DIR)/test/cyclone/*.* $(ROOT_DIR)/test/toxy/*.* \
		installroot/lib/pd/doc/5.reference
	test -d installroot/lib/pd/extra || mkdir -p installroot/lib/pd/extra
	install -m444 $(ROOT_DIR)/bin/*.pd_darwin installroot/lib/pd/extra
	test -d installroot/bin || mkdir -p installroot/bin
	install -m555 $(ROOT_DIR)/bin/cyclist installroot/bin
	cp -f pd-cyclone.info $(PACKAGE_NAME).info
# delete cruft
	-find installroot -name .DS_Store -delete
	-rm -f 1
# set proper permissions
	sudo chown -R root:staff installroot
	package installroot $(PACKAGE_NAME).info -d . -ignoreDSStore
# install pkg docs
	install -m 644 License.html Welcome.html $(PACKAGE_NAME).pkg/Contents/Resources
	sudo chown -R root:staff $(PACKAGE_NAME).pkg/Contents/Resources