!IF [where /q Makefile.auto.win]
# The file doesn't exist, so don't include it.
!ELSE
!INCLUDE Makefile.auto.win
!IF [del /f /q Makefile.auto.win] == 0
!ENDIF
!ENDIF

NMAKE = nmake -$(MAKEFLAGS)

SRC = c_src\sqlite3.c \
  c_src\sqlite3_nif.c

CFLAGS = -O2 $(CFLAGS)
CFLAGS = -EHsc $(CFLAGS)

# -Wall will emit a lot of warnings on Windows
# CFLAGS = -Wall $(CFLAGS)
CFLAGS = -Ic_src $(CFLAGS)

# For more information about these features being enabled, check out
# --> https://sqlite.org/compile.html
CFLAGS = -DSQLITE_THREADSAFE=1 $(CFLAGS)
CFLAGS = -DSQLITE_USE_URI=1 $(CFLAGS)
CFLAGS = -DSQLITE_LIKE_DOESNT_MATCH_BLOBS=1 $(CFLAGS)
CFLAGS = -DSQLITE_DQS=0 $(CFLAGS)
CFLAGS = -DHAVE_USLEEP=1 $(CFLAGS)

# TODO: The following features should be completely configurable by the person
#       installing the nif. Just need to have certain environment variables
#       enabled to support them.
CFLAGS = -DALLOW_COVERING_INDEX_SCAN=1 $(CFLAGS)
CFLAGS = -DENABLE_FTS3_PARENTHESIS=1 $(CFLAGS)
CFLAGS = -DENABLE_LOAD_EXTENSION=1 $(CFLAGS)
CFLAGS = -DENABLE_SOUNDEX=1 $(CFLAGS)
CFLAGS = -DENABLE_STAT4=1 $(CFLAGS)
CFLAGS = -DENABLE_UPDATE_DELETE_LIMIT=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_FTS3=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_FTS4=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_FTS5=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_GEOPOLY=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_MATH_FUNCTIONS=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_RBU=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_RTREE=1 $(CFLAGS)
CFLAGS = -DSQLITE_OMIT_DEPRECATED=1 $(CFLAGS)
CFLAGS = -DSQLITE_ENABLE_DBSTAT_VTAB=1 $(CFLAGS)

# TODO: We should allow the person building to be able to specify this
CFLAGS = -DNDEBUG=1 $(CFLAGS)

# Set Erlang-specific compile flags
!IFNDEF ERL_CFLAGS
ERL_CFLAGS = -I"$(ERL_EI_INCLUDE_DIR)"
!ENDIF

all: clean priv\sqlite3_nif.dll

clean:
    del /f /q priv

Makefile.auto.win:
    erl -noshell -eval "io:format(\"ERTS_INCLUDE_PATH=~ts/erts-~ts/include/\", [code:root_dir(), erlang:system_info(version)])." -s erlang halt > $@

!IFDEF ERTS_INCLUDE_PATH
priv\sqlite3_nif.dll:
    if NOT EXIST "priv" mkdir "priv"
    $(CC) $(ERL_CFLAGS) $(CFLAGS) -I"$(ERTS_INCLUDE_PATH)" -LD -MD -Fe$@ $(SRC)
!ELSE
priv\sqlite3_nif.dll: Makefile.auto.win
    $(NMAKE) -F Makefile.win priv\sqlite3_nif.dll
!ENDIF