!IF [where /Q Makefile.auto.win]
# The file doesn't exist, so don't include it.
!ELSE
!INCLUDE Makefile.auto.win
!ENDIF

NMAKE = nmake /$(MAKEFLAGS)

ERL_CFLAGS = -I"$(ERLANG_LIB_PATH)/include" \
             -I"$(ERTS_INCLUDE_PATH)/include"

ERL_LDFLAGS = /LIBPATH:"$(ERLANG_LIB_PATH)/lib" \
              /LIBPATH:"priv" \
              erl_interface.lib ei.lib portaudio_x64.lib

CC = cl.exe
LINK = link.exe

all: priv/erlaudio_drv.dll

Makefile.auto.win:
	echo # Auto-generated as part of Makefile.win, do not modify. > $@
	erl -eval "io:format(\"~s~n\", [lists:concat([\"ERTS_INCLUDE_PATH=\", code:root_dir(), \"/erts-\", erlang:system_info(version)])])" -s init stop -noshell >> $@
	erl -eval "io:format(\"~s~n\", [lists:concat([\"ERLANG_LIB_PATH=\", code:lib_dir(erl_interface)])])" -s init stop -noshell >> $@

!IFDEF ERTS_INCLUDE_PATH
c_src/erlaudio_drv.o: c_src/erlaudio_drv.c c_src/erlaudio_drv.h
	$(CC) /c $(CFLAGS) /Zi /Wall $(ERL_CFLAGS) c_src/erlaudio_drv.c /Fo$@
priv/erlaudio_drv.dll: c_src/erlaudio_drv.o
	$(LINK) c_src/erlaudio_drv.o /DLL /INCREMENTAL $(ERL_LDFLAGS) /OUT:$@
!ELSE
priv/erlaudio_drv.dll: Makefile.auto.win
	$(NMAKE) /F Makefile.win $@
!ENDIF

clean:
	del c_src\erlaudio_drv.o
	del priv\erlaudio_drv.*
	del Makefile.auto.win