#
# Copyright (c) 2013 No Face Press, LLC
# Copyright (c) 2014-2017 the Civetweb developers
#
# License http://opensource.org/licenses/mit-license.php MIT License
#

ifndef WITH_LUA
  $(error WITH_LUA is not defined)
endif

# Lua Default version is 502
WITH_LUA_VERSION ?= 502
LUA_VERSION_KNOWN = 0

# Select src and header according to the Lua version
ifeq ($(WITH_LUA_VERSION), 501)
  $(info Lua: Using version 5.1.5)
  LUA_DIR = src/third_party/lua-5.1.5/src
  LUA_SHARED_LIB_FLAG = -llua5.1
  LUA_CFLAGS = -DLUA_VERSION_MAKEFILE=501
  LUA_VERSION_KNOWN = 1
endif
ifeq ($(WITH_LUA_VERSION), 502)
  $(info Lua: Using version 5.2.4)
  LUA_DIR = src/third_party/lua-5.2.4/src
  LUA_SHARED_LIB_FLAG = -llua5.2
  LUA_CFLAGS = -DLUA_VERSION_MAKEFILE=502
  LUA_VERSION_KNOWN = 1
endif
ifeq ($(WITH_LUA_VERSION), 503)
  $(info Lua: Using version 5.3.3)
  LUA_DIR = src/third_party/lua-5.3.3/src
  LUA_SHARED_LIB_FLAG = -llua5.3
  LUA_CFLAGS = -DLUA_COMPAT_5_2 -DLUA_VERSION_MAKEFILE=503
  LUA_VERSION_KNOWN = 1
endif

ifneq ($(LUA_VERSION_KNOWN), 1)
  $(error Lua: Unknwon version - $(WITH_LUA_VERSION))
endif


# Add flags for all Lua versions
LUA_CFLAGS += -I$(LUA_DIR) -DLUA_COMPAT_ALL -DUSE_LUA

ifneq ($(TARGET_OS),WIN32)
  LUA_CFLAGS += -DLUA_USE_POSIX -DLUA_USE_DLOPEN
endif

ifdef WITH_LUA_SHARED

  LUA_SOURCE_FILES =

  $(info Lua: using dynamic linking)

else

  LUA_SOURCE_FILES = lapi.c  \
    lauxlib.c \
    lbaselib.c  \
    lcode.c  \
    ldblib.c  \
    ldebug.c  \
    ldo.c  \
    ldump.c \
    lfunc.c  \
    lgc.c  \
    linit.c \
    liolib.c  \
    llex.c \
    lmathlib.c \
    lmem.c  \
    loadlib.c  \
    lobject.c  \
    lopcodes.c \
    loslib.c  \
    lparser.c  \
    lstate.c  \
    lstring.c \
    lstrlib.c  \
    ltable.c  \
    ltablib.c \
    ltm.c  \
    lundump.c \
    lvm.c  \
    lzio.c

ifeq ($(WITH_LUA_VERSION), 502)
    LUA_SOURCE_FILES += lbitlib.c  \
    lcorolib.c  \
    lctype.c
endif
ifeq ($(WITH_LUA_VERSION), 503)
    LUA_SOURCE_FILES += lbitlib.c  \
    lcorolib.c  \
    lctype.c  \
    lutf8lib.c
endif

  $(info Lua: using static library)

endif

LUA_SOURCES = $(addprefix $(LUA_DIR)/, $(LUA_SOURCE_FILES))
LUA_OBJECTS = $(LUA_SOURCES:.c=.o)

OBJECTS += $(LUA_OBJECTS)
CFLAGS += $(LUA_CFLAGS)
SOURCE_DIRS = $(LUA_DIR)
BUILD_DIRS += $(BUILD_DIR)/$(LUA_DIR)


ifneq ($(WITH_LUA_VERSION), 501)
  SQLITE_DIR = src/third_party
  SQLITE_SOURCE_FILES = sqlite3.c lsqlite3.c
  SQLITE_SOURCES = $(addprefix $(SQLITE_DIR)/, $(SQLITE_SOURCE_FILES))
  SQLITE_OBJECTS = $(SQLITE_SOURCES:.c=.o)
  SQLITE_CFLAGS = -I$(SQLITE_DIR) -DTHREADSAFE=1 -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS
  OBJECTS += $(SQLITE_OBJECTS)
  CFLAGS += $(SQLITE_CFLAGS)
  CFLAGS += -DUSE_LUA_SQLITE3
  #SOURCE_DIRS = $(SQLITE_DIR)
endif


LFS_DIR = src/third_party
LFS_SOURCE_FILES = lfs.c
LFS_SOURCES = $(addprefix $(LFS_DIR)/, $(LFS_SOURCE_FILES))
LFS_OBJECTS = $(LFS_SOURCES:.c=.o)
LFS_CFLAGS = -I$(LFS_DIR)
OBJECTS += $(LFS_OBJECTS)
CFLAGS += $(LFS_CFLAGS)
CFLAGS += -DUSE_LUA_FILE_SYSTEM
#SOURCE_DIRS = $(LFS_DIR)


ifneq ($(WITH_LUA_VERSION), 501)
  LXML_DIR = src/third_party
  LXML_SOURCE_FILES = LuaXML_lib.c
  LXML_SOURCES = $(addprefix $(LXML_DIR)/, $(LXML_SOURCE_FILES))
  LXML_OBJECTS = $(LXML_SOURCES:.c=.o)
  LXML_CFLAGS = -I$(LXML_DIR)
  OBJECTS += $(LXML_OBJECTS)
  CFLAGS += $(LXML_CFLAGS)
  CFLAGS += -DUSE_LUA_LUAXML
  #SOURCE_DIRS = $(LXML_DIR)
endif