####### Makefile to compile biosig.exe for loading data supported by libbiosig into Mathematica
###
###  Copyright (C) 2010-2020 Alois Schloegl <alois.schloegl@gmail.com>
###  This file is part of the "BioSig for C/C++" repository
###  (biosig4c++) at http://biosig.sf.net/
###
##############################################################


###########################################
# user-defined variables
###########################################
CROSS   ?= /home/schloegl/src/mxe.github.schloegl/usr/bin/i686-w64-mingw32.static
CROSS64 ?= /home/schloegl/src/mxe.github.schloegl/usr/bin/x86_64-w64-mingw32.static

exec_prefix ?= @prefix@

###########################################
## set Mathematica variables
MATHEMATICA_EXE = @MATHEMATICA@
MATHEMATICA_EXE ?= $(shell which wolframnb)
MATHEMATICA_EXE ?= $(shell which mathematica)
ifeq (,$(MATHEMATICA_EXE))
        $(error "mathematica not found in $$PATH - cannot compile biosig for Mathematica")
endif
MLINKDIR ?= $(realpath $(addsuffix ..,$(dir $(realpath $(MATHEMATICA_EXE) ) ) ) )

ifneq (,$(findstring Darwin,$(shell uname)))
MLINKDIR := /Applications/Mathematica.app/Contents/
SYS       = MacOSX-x86-64
LDFLAGS  += -demangle -dynamic -arch x86_64
LDFLAGS  += -framework CoreFoundation -framework CoreVideo -framework VideoDecodeAcceleration
else
SYS 	  = $(notdir $(shell ls -1d $(MLINKDIR)/SystemFiles/Links/MathLink/DeveloperKit/*))
ifneq (1,$(words ${SYS}))
SYS       = Linux-x86-64# Set this value with the result of evaluating $SystemID
endif
endif

### Windows ###
SYSwin       = Windows# Set this value with the result of evaluating $SystemID
MLLIBwin     = ml32i4m# Set this to ML64i3 if using a 64-bit system
SYSwin64     = Windows-x86-64# Set this value with the result of evaluating $SystemID
MLLIBwin64   = ml64i4# Set this to ML64i3 if using a 64-bit system
###########################################

CADDSDIR  = ${MLINKDIR}/SystemFiles/Links/MathLink/DeveloperKit/${SYS}/CompilerAdditions
INCDIR    = -I${CADDSDIR} -I${MLINKDIR}/SystemFiles/IncludeFiles/C/
LIBDIR   += -L${CADDSDIR}

# automated detection of most recent MLINTERFACE, without starting mathematica
# 10.0 supports 3 and 4, 9.0 and earlier supports only 3,
MLIVER := $(shell ${CC} mliver.c -I${CADDSDIR} -E -o - | tail -1)

EXTRALIBS += -lm -ldl -luuid -lstdc++ # Set these with appropriate libs for your system.

ifeq (Darwin,$(shell uname))
MLLIB   = MLi${MLIVER} # ML32i3 # Set this to ML64i3 if using a 64-bit system
SED	= gsed
else
MLLIB   = ML$(shell getconf LONG_BIT)i${MLIVER} # ML32i3 # Set this to ML64i3 if using a 64-bit system
EXTRALIBS += -lrt
SED	= sed
endif
LD 	= ${CC}


ifneq (${MLIVER},)
CFLAGS += -DMLINTERFACE=${MLIVER}
endif

MPREP     = ${CADDSDIR}/mprep

TARGET    = biosig

# make Linux-x86-64
mma : $(patsubst %, ${SYS}/%.exe, $(TARGET))
# make Linux-x86-64, Windows, Windows-x86-64
all : $(patsubst %, ${SYS}/%.exe, $(TARGET)) $(patsubst %, ${SYSwin}/%.exe, $(TARGET)) $(patsubst %, ${SYSwin64}/%.exe, $(TARGET))

.c.o:
	${CC} ${CFLAGS} -I.. ${INCDIR} -c "$<"

%tm.c: %.tm
	${MPREP} "$<" -o "$@"
	${SED} -i 's# __DATE__# ",__DATE__," ",__TIME__,"#g' "$@"

${SYS}/%.exe: %.o %tm.o
	mkdir -p ${SYS}
	${LD} ${LDFLAGS} $? ${LIBDIR} -l${MLLIB} ${EXTRALIBS} -L.. -lbiosig  -o "$@"
	ln -sf "$@"

### Install Biosig for Mathematica
install : biosig.exe
	mkdir -p $(DESTDIR)$(exec_prefix)/libexec/biosig/mathematica
	install biosig.exe	$(DESTDIR)$(exec_prefix)/libexec/biosig/mathematica/
	@echo "  Biosig for Mathematica is installed in $(exec_prefix)/libexec/biosig/mathematica/biosig.exe";
	@echo "  Usage: Start Mathematica and run";
	@echo "\tlink=Install[\"$(exec_prefix)/libexec/biosig/mathematica/biosig.exe\"];";
	@echo "\t?Sload\n\t?Uload\n";

uninstall:
	${RM} $(DESTDIR)$(datadir)/biosig/mathematica/{sload,biosig}.exe
	-cd $(DESTDIR)$(datadir) && rmdir -p biosig/mathematica
	${RM} $(DESTDIR)$(exec_prefix)/libexec/biosig/mathematica/biosig.exe
	-cd $(DESTDIR)$(exec_prefix)/libexec && rmdir -p biosig/mathematica

###########################################
#   Win32 - cross-compilation
###########################################

CCw32        = $(CROSS)-gcc
CADDSDIRwin  = ${MLINKDIR}/SystemFiles/Links/MathLink/DeveloperKit/${SYSwin}/CompilerAdditions
INCDIRwin    = -I${CADDSDIRwin}
LIBDIRwin    = ${CADDSDIRwin}

EXTRALIBSwin = -lgdi32 -lm -lstdc++ -lws2_32 $(LDLIBS) # Set these with appropriate libs for your system.

MPREPwin     = ${CADDSDIRwin}/mprep.exe

${SYSwin}/%tm.c : %.tm
	mkdir -p ${SYSwin}
	WINEPREFIX=${HOME}/.wine32.mma wine ${MPREPwin} "$<" -o "$@"
	${SED} -i 's# __DATE__# ",__DATE__," ",__TIME__,"#g' "$@"

${SYSwin}/biosigtm.obj : ${SYSwin}/biosigtm.c
	${CCw32} -o "$@" -c "$<" $(shell $(CROSS)-pkg-config --cflags libbiosig) ${INCDIRwin}
${SYSwin}/biosig.obj : biosig.c
	mkdir -p ${SYSwin}
	${CCw32} -o "$@" -c "$<" $(shell $(CROSS)-pkg-config --cflags libbiosig) ${INCDIRwin}
	# ${CCw32} -o "$@" -c "$<" $(shell $(CROSS)-pkg-config --cflags libbiosig) -DWINDOWS_MATHLINK=1 -D__int64="long" ${INCDIR}

win32mma : $(patsubst %, ${SYSwin}/%.exe, $(TARGET))

${SYSwin}/%.exe : ${SYSwin}/%.obj ${SYSwin}/%tm.obj
	${CCw32} $? -mwindows -static-libgcc -static-libstdc++ $(shell $(CROSS)-pkg-config --libs libbiosig) -lssp -L${LIBDIRwin} -l${MLLIBwin} ${EXTRALIBSwin} -o "$@"


###########################################
#   Win64 - cross-compilation
###########################################

CCw64         = $(CROSS64)-gcc
CADDSDIRwin64 = ${MLINKDIR}/SystemFiles/Links/MathLink/DeveloperKit/${SYSwin64}/CompilerAdditions
INCDIRwin64   = -I${CADDSDIRwin64}
LIBDIRwin64   = ${CADDSDIRwin64}

#MPREPwin64    = ${CADDSDIRwin64}/mprep.exe

#%tm.win64.c : %.tm
#	WINEPREFIX=${HOME}/.wine64.mma wine64 ${MPREPwin64} "$<" -o "$@"
	#${MPREP} "$<" -o "$@"
#	${SED}  -i 's# __DATE__# ",__DATE__," ",__TIME__,"#' "$@"

${SYSwin64}/%.obj : %.c
	mkdir -p ${SYSwin64}
	${CCw64} -o "$@" -c "$<" $(shell $(CROSS64)-pkg-config --cflags libbiosig) -DWINDOWS_MATHLINK=1 -D__int64="long long" ${INCDIR}

win64mma : $(patsubst %, ${SYSwin64}/%.exe, $(TARGET))

${SYSwin64}/%.exe : ${SYSwin64}/%.obj ${SYSwin64}/%tm.obj
	${CCw64} $? -static-libgcc -static-libstdc++ $(shell $(CROSS64)-pkg-config --libs libbiosig) -lssp -L${LIBDIRwin64} -l${MLLIBwin64} ${EXTRALIBSwin} -o "$@"


###########################################
clean:
	-$(RM) *.o* */*.o*
	-$(RM) *tm.c */*tm.c
	-$(RM) *.exe */*.exe
