CC ?= cc
PKG_CONFIG ?= pkg-config
OPTIMIZE ?= -Oz
MINSIZE ?= -flto=auto -ffunction-sections -fdata-sections
STRIPP = -s
CFLAGS_PIC = -fPIC
CFLAGS += -std=gnu99  $(OPTIMIZE) $(MINSIZE) $(CFLAGS_PIC) -Wno-address-of-packed-member
LDFLAGS_PIE = -pie
LDFLAGS += -flto=auto -Wl,--gc-sections $(LDFLAGS_PIE)
LIBS = -lz -lm
SRC_FILES = *.c crypto/*.c

LUA_JIT ?= 1

.if "${LUA_JIT}" == "1"

LUAJIT_VER?=2.1
LUA_VER?=5.1
LUA_PKG:=luajit

.else

LUA_VER ?= 5.5
LUA_VER_UNDOTTED!= echo $(LUA_VER) | sed 's/\.//g'

OSNAME!=uname
.if ${OSNAME} == "OpenBSD"
 LUA_PKG ?= lua$(LUA_VER_UNDOTTED)
.elif ${OSNAME} == "FreeBSD"
 LUA_PKG ?= lua-$(LUA_VER)
.endif

.endif

LUA_LIB!= $(PKG_CONFIG) --libs $(LUA_PKG)
LUA_CFLAGS!= $(PKG_CONFIG) --cflags $(LUA_PKG)

.if "${LUA_JIT}" == "1"
LUA_CFLAGS+=-DLUAJIT
.endif

all: dvtws2

dvtws2: $(SRC_FILES)
	$(CC) $(STRIPP) $(CFLAGS) $(LUA_CFLAGS) -o dvtws2 $(SRC_FILES) $(LIBS) $(LUA_LIB) $(LDFLAGS)

clean:
	rm -f dvtws2