##############################################################################
## Source-level Makefile for jzintv in Emscripten
##
## The whole make process is driven from the top-level Makefile.  In contrast
## to the (poor) advice given in the Make documentation, I do _not_ call make
## recursively to build the source of this project.
##############################################################################

##############################################################################
## Project directory structure
##############################################################################
B=../bin
L=../lib
R=../rom

##############################################################################
## Project-wide build flags
##############################################################################
P           = export PATH;

.SUFFIXES: .html

SDL2_CFLAGS := -s USE_SDL=2 -DUSE_SDL=2
SDL2_LFLAGS := -s USE_SDL=2 -DUSE_SDL=2

SDL2_CFLAGS += $(SDL2_CFLAGS_EXTRA)
SDL2_LFLAGS += $(SDL2_LFLAGS_EXTRA)

SVN_REV := $(shell (svn info -R || :) | grep "Last Changed Rev:" | cut -d' ' -f4 | sort -n | tail -1)
SVN_DTY := $(shell echo $$( (svn status || :) | grep -v '^?' | wc -l ) )

# Set "X" to be the executable extension, and "O" to be the object extension.
X = .html
O = o

# Set "RM" to be the remove/delete command
RM = rm -f 

# Rely on mainstream targets for warning checks.
 WARN    = -Wall -W -Wextra
 WARNXX  = -Wall -W -Wextra

 CC  = $(P) emcc -fwrapv
 CXX = $(P) em++ --std=c++14 -fwrapv

#DEF_FLAGS += -DDIRECT_INTV2PC
#DEF_FLAGS += -DNEED_INOUT

 LTO = 

 OPT_FLAGS =  $(LTO) -O3
#OPT_FLAGS =  $(LTO) -g3

CFLAGS   = $(OPT_FLAGS) $(WARN)   -I. -I.. $(DEF_FLAGS) $(EXTRA)
CXXFLAGS = $(OPT_FLAGS) $(WARNXX) -I. -I.. $(DEF_FLAGS) $(EXTRA)

CFLAGS   += -s NO_EXIT_RUNTIME=0 -s TOTAL_MEMORY=134217728
CXXFLAGS += -s NO_EXIT_RUNTIME=0 -s TOTAL_MEMORY=134217728

OBJS      = jzintv_em.$(O)
PROG_SDL2 = $(B)/jzintv$(X)
PROG_NULL = $(B)/jzintv_batch$(X)
TOCLEAN  += $(PROG_SDL2)
TOCLEAN  += $(PROG_NULL)
TOCLEAN  += core

CFLAGS += $(SDL2_CFLAGS) 

##############################################################################
## Generic build-rules
##############################################################################

all: build

$(PROG_SDL2): $(OBJS) $(OBJS_SDL2)
	$(CXX) -o $(PROG_SDL2) $(OBJS) $(OBJS_SDL2) $(CFLAGS) $(SDL2_LFLAGS) $(LFLAGS)

clean:
	$(RM) $(OBJS) 
	$(RM) $(OBJS_SDL2) 
	$(RM) $(OBJS_NULL) 
	$(RM) $(TOCLEAN)

%.$(O): %.c
	$(CC) -o $@ $(CFLAGS) -c $<

%.s: %.c
	$(CC) -fverbose-asm -S -o $@ $(CFLAGS) -c $<

##############################################################################
## Emscripten-specific stuff
##############################################################################

pads/pads_intv2pc.$(O):
	$(CC) -O3 -o pads/pads_intv2pc.$(O) $(CFLAGS) -c pads/pads_intv2pc.c

OBJS_SDL2 += pads/pads_cgc_linux.$(O)
OBJS += pads/pads_intv2pc.$(O)

##############################################################################
## Makefile.common includes all the subMakefiles and such
##############################################################################
include emscripten/subMakefile
include Makefile.common
build: jzIntv

jzintv_em.$(O): config.h periph/periph.h cp1600/cp1600.h mem/mem.h
jzintv_em.$(O): pads/pads.h debug/debug_.h cp1600/op_decode.h cp1600/op_exec.h
jzintv_em.$(O): stic/stic.h speed/speed.h gfx/gfx.h snd/snd.h ay8910/ay8910.h
jzintv_em.$(O): plat/plat.h plat/plat_lib.h event/event.h event/event_tbl.h
jzintv_em.$(O): file/file.h ivoice/ivoice.h icart/icart.h cp1600/req_q.h
jzintv_em.$(O): bincfg/legacy.h bincfg/bincfg.h pads/pads_intv2pc.h
jzintv_em.$(O): demo/demo.h cfg/cfg.h cfg/mapping.h misc/jzprint.h avi/avi.h
jzintv_em.$(O): name/name.h misc/file_crc32.h jlp/jlp.h locutus/locutus_adapt.h
jzintv_em.$(O): emscripten/web_files.h