COREDIR=core
HOSTDIR=host
RTAUDIODIR=RtAudio
DESTDIR?=/usr/local/bin
CK_PLATFORM=


########################## DEFAULT MAKE TARGET #################################
# default target: print usage message and quit
current:
	@echo "[chuck build]: please use one of the following configurations:"
	@echo "   make linux-alsa, make linux-jack, make linux-pulse,"
	@echo "   make mac, make mac-ub, make cygwin, make win32, or make web"


############################## MAKE INSTALL ####################################
install:
	mkdir -p $(DESTDIR)
	cp $(wildcard chuck chuck.exe) $(DESTDIR)/
	chmod 755 $(DESTDIR)/$(wildcard chuck chuck.exe)

ifneq ($(CK_TARGET),)
.DEFAULT_GOAL:=$(CK_TARGET)
ifeq ($(MAKECMDGOALS),)
MAKECMDGOALS:=$(.DEFAULT_GOAL)
endif
endif


############################## MAKE EMSCRIPTEN #################################
EMSCRIPTENSRCS=host_web/chuck_emscripten.cpp \
    core/chuck.cpp core/chuck_absyn.cpp \
    core/chuck_carrier.cpp core/chuck_compile.cpp core/chuck_dl.cpp \
    core/chuck_emit.cpp core/chuck_errmsg.cpp core/chuck_frame.cpp \
    core/chuck_globals.cpp core/chuck_instr.cpp core/chuck_io.cpp \
    core/chuck_lang.cpp core/chuck_oo.cpp \
    core/chuck_parse.cpp core/chuck_scan.cpp core/chuck_stats.cpp \
    core/chuck_symbol.cpp core/chuck_table.cpp core/chuck_type.cpp \
    core/chuck_ugen.cpp core/chuck_utils.cpp core/chuck_vm.cpp \
    core/uana_extract.cpp core/uana_xform.cpp core/ugen_filter.cpp \
    core/ugen_osc.cpp core/ugen_stk.cpp core/ugen_xxx.cpp \
    core/ulib_ai.cpp core/ulib_doc.cpp core/ulib_machine.cpp \
    core/ulib_math.cpp core/ulib_std.cpp \
    core/util_buffers.cpp core/util_math.cpp core/util_raw.c \
    core/util_string.cpp core/util_xforms.c core/chuck_win32.c \
    core/util_sndfile.c


.PHONY: emscripten web
emscripten: host_web/webchuck/js/webchuck.js
web: host_web/webchuck/js/webchuck.js

host_web/webchuck/js/webchuck.js: $(EMSCRIPTENSRCS)
	emcc -O3 -s DISABLE_EXCEPTION_CATCHING=0 \
	-Icore -D__DISABLE_MIDI__ -D__DISABLE_WATCHDOG__ \
	-D__DISABLE_KBHIT__ -D__DISABLE_PROMPTER__ -D__DISABLE_RTAUDIO__ \
	-D__DISABLE_OTF_SERVER__ -D__ALTER_HID__ -D__DISABLE_HID__ \
	-D__DISABLE_SERIAL__ -D__DISABLE_FILEIO__ -D__DISABLE_THREADS__ \
	-D__DISABLE_NETWORK__ -D__DISABLE_SHELL__ -D__DISABLE_WORDEXP__ \
	-D__CHUCK_USE_PLANAR_BUFFERS__ \
	-Wformat=0 \
	$(EMSCRIPTENSRCS) -o host_web/webchuck/js/webchuck.js \
	-s EXPORTED_RUNTIME_METHODS='["ccall", "cwrap", "getValue", "setValue", "addFunction", "removeFunction", "UTF8ToString", "stringToUTF8"]' \
	-s LINKABLE=1 -s MODULARIZE=1 -s 'EXPORT_NAME="ChucK"' \
	-s ALLOW_MEMORY_GROWTH=1 \
	-s --extern-post-js host_web/chucknode-postjs.js \
	-s RESERVED_FUNCTION_POINTERS=50 -s FORCE_FILESYSTEM=1



############################## MAKE INSTALL ####################################
## note: If you want to build ChucK on linux with multiple audio drivers,
## call multiple build rules, e.g.:
## > make linux-pulse linux-alsa linux-jack
.PHONY: mac mac-ub osx linux-pulse linux-jack linux-alsa cygwin osx-rl test
mac mac-ub osx linux-pulse linux-jack linux-alsa cygwin osx-rl: chuck

win32:
	make -f $(COREDIR)/makefile.x/makefile.win32

CK_VERSION=1.5.0.0


########################### COMPILATION TOOLS ##################################
LEX=flex
YACC=bison
CC=gcc
CXX=g++
LD=g++


############################# COMPILER FLAGS ###################################
# note: to compile with a specific c++ version (e.g., c++11) add: -std=c++11
CFLAGS+=-I. -I$(COREDIR) -I$(COREDIR)/lo

ifneq ($(CHUCK_STAT),)
CFLAGS+= -D__CHUCK_STAT_TRACK__
endif

ifneq ($(CHUCK_DEBUG),)
CFLAGS+= -g
else
CFLAGS+= -O3
endif

ifneq ($(USE_64_BIT_SAMPLE),)
CFLAGS+= -D__CHUCK_USE_64_BIT_SAMPLE__
endif

ifneq ($(CHUCK_STRICT),)
CFLAGS+= -Wall
endif

# ifneq ($(findstring arm,$(shell uname -m)),)
# some sort of arm platform- enable aggressive optimizations
# CFLAGS+= -ffast-math
# endif
# ge: commenting out; breaks Math.isinf() since it assumes all finite
# https://stackoverflow.com/questions/7420665/what-does-gccs-ffast-math-actually-do
# https://simonbyrne.github.io/notes/fastmath/


######################### PLATFORM-SPECIFIC THINGS #############################
ifneq (,$(strip $(filter mac mac-ub osx bin-dist-mac,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.mac
endif

ifneq (,$(strip $(filter linux-pulse,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.pulse
endif

ifneq (,$(strip $(filter linux-jack,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.jack
endif

ifneq (,$(strip $(filter linux-alsa,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.alsa
endif

ifneq (,$(strip $(filter cygwin,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.cygwin
endif

ifneq (,$(strip $(filter osx-rl,$(MAKECMDGOALS))))
include $(COREDIR)/makefile.x/makefile.rl
endif


########################## CHUCK CORE LIB TARGETS ##############################
COBJS_CORE+= chuck.tab.o chuck.yy.o util_math.o util_network.o util_raw.o \
	util_xforms.o
CXXOBJS_CORE+= chuck.o chuck_absyn.o chuck_parse.o chuck_errmsg.o \
	chuck_frame.o chuck_symbol.o chuck_table.o chuck_utils.o \
	chuck_vm.o chuck_instr.o chuck_scan.o chuck_type.o chuck_emit.o \
	chuck_compile.o chuck_dl.o chuck_oo.o chuck_lang.o chuck_ugen.o \
	chuck_otf.o chuck_stats.o chuck_shell.o chuck_io.o \
	chuck_carrier.o chuck_globals.o \
	hidio_sdl.o midiio_rtmidi.o rtmidi.o ugen_osc.o ugen_filter.o \
	ugen_stk.o ugen_xxx.o ulib_ai.o ulib_doc.o ulib_machine.o \
	ulib_math.o ulib_std.o ulib_opsc.o util_buffers.o \
	util_console.o util_string.o util_thread.o util_opsc.o \
	util_serial.o util_hid.o uana_xform.o uana_extract.o
LO_COBJS_CORE+= lo/address.o lo/blob.o lo/bundle.o lo/message.o lo/method.o \
	lo/pattern_match.o lo/send.o lo/server.o lo/server_thread.o lo/timetag.o


############################ CHUCK HOST TARGETS ################################
CXXINC_HOST+= -I${RTAUDIODIR} -I${RTAUDIODIR}/include
CXXSRCS_HOST+= chuck_main.cpp chuck_audio.cpp chuck_console.cpp \
	${RTAUDIODIR}/RtAudio.cpp
# NB: on some windows builds, the ASIO src in RTAUDIODIR/include
#     should be added.


############################ OBJECT FILE TARGETS ###############################
CXXOBJS_HOST=$(addprefix $(HOSTDIR)/,$(CXXSRCS_HOST:.cpp=.o))

COBJS=$(COBJS_HOST) $(addprefix $(COREDIR)/,$(COBJS_CORE))
CXXOBJS=$(CXXOBJS_HOST) $(addprefix $(COREDIR)/,$(CXXOBJS_CORE))
LO_COBJS=$(addprefix $(COREDIR)/,$(LO_COBJS_CORE))
SF_COBJS=$(addprefix $(COREDIR)/,$(SF_CSRCS:.c=.o))
OBJS=$(COBJS) $(CXXOBJS) $(LO_COBJS) $(SF_COBJS)


############################ ADDITIONAL FLAGS ##################################
# for liblo headers
LO_CFLAGS=-DHAVE_CONFIG_H -I.

# remove -arch options
CFLAGSDEPEND=$(CFLAGS)

ifneq (,$(ARCHS))
ARCHOPTS=$(addprefix -arch ,$(ARCHS))
else
ARCHOPTS=
endif

ifneq (,$(strip $(filter mac-ub,$(MAKECMDGOALS))))
ARCHOPTS=-arch arm64 -arch x86_64
ARCH_ARGS=MAC_UB=true
CFLAGS+=-D__MACOSX_UB__
endif

############################ DISTRIBUTION INFO #################################
NOTES=AUTHORS DEVELOPER PROGRAMMER README TODO COPYING INSTALL QUICKSTART \
 THANKS VERSIONS
BIN_NOTES=README.txt
DOC_NOTES=GOTO
DIST_DIR=chuck-$(CK_VERSION)
DIST_DIR_EXE=chuck-$(CK_VERSION)-exe
CK_SVN=https://chuck-dev.stanford.edu/svn/chuck/

# pull in dependency info for *existing* .o files
-include $(OBJS:.o=.d)


############################# MAIN COMPILATION #################################
chuck-core:
	@echo -------------
	@echo [chuck-core]: compiling...
	$(MAKE) $(MAKECMDGOALS) -C $(COREDIR) $(ARCH_ARGS)
	@echo -------------

CFLAGS_HOST=${CFLAGS} -I${RTAUDIODIR}
CFLAGSDEPEND_HOST=${CFLAGSDEPEND} ${CFLAGS_HOST}
chuck: chuck-core $(COBJS_HOST) $(CXXOBJS_HOST)
	$(LD) -o chuck $(OBJS) $(LDFLAGS) $(ARCHOPTS)

$(COBJS_HOST): %.o: %.c
	$(CC) $(CFLAGS_HOST) $(ARCHOPTS) -c $< -o $@
	@$(CC) -MM -MQ "$@" $(CFLAGSDEPEND_HOST) $< > $*.d

$(CXXOBJS_HOST): %.o: %.cpp
	$(CXX) $(CFLAGS_HOST) $(ARCHOPTS) -c $< -o $@
	@$(CXX) -MM -MQ "$@" $(CFLAGSDEPEND_HOST) $< > $*.d

clean:
	@rm -rf $(wildcard chuck chuck.exe) *.o *.d */*.{o,d} */*/*.{o,d} $(OBJS) \
        $(patsubst %.o,%.d,$(OBJS))*~ $(COREDIR)/chuck.output \
	$(COREDIR)/chuck.tab.h $(COREDIR)/chuck.tab.c \
        $(COREDIR)/chuck.yy.c $(DIST_DIR){,.tgz,.zip} Release Debug


############################### RUN TEST #######################################
test:
	pushd test; ./test.py ../chuck .; popd


############################### DISTRIBUTION ###################################
# ------------------------------------------------------------------------------
# Distribution meta-targets
# ------------------------------------------------------------------------------

.PHONY: src-dist
src-dist:
# clean out old dists
	rm -rf $(DIST_DIR) $(DIST_DIR){.tgz,.zip}
# create directories
	mkdir $(DIST_DIR) $(DIST_DIR)/src $(DIST_DIR)/examples
# copy src
	git archive HEAD src | tar -x -C $(DIST_DIR)
	rm -r $(DIST_DIR)/src/test
# copy examples
	git archive HEAD examples | tar -x -C $(DIST_DIR)
# copy notes
	cp $(addprefix notes/,$(NOTES)) $(DIST_DIR)
# tar/gzip
	tar czf $(DIST_DIR).tgz $(DIST_DIR)