#------------------------------------------------------------------------------
# Platform to build against [Choices: posix, winnt]:
#------------------------------------------------------------------------------

PLATFORM ?= posix

#------------------------------------------------------------------------------
# Dynamic link library extension [Choices: .so, .dll, .sl, ...]:
#------------------------------------------------------------------------------

DLLEXT = .so

#------------------------------------------------------------------------------
# Default display driver [Choices: x11, rawfb, directfb, windows]:
# If you enable rawfb, see RAWFB_SUB_DEVICE below and visit src/Makefile
# and tek/lib/Makefile if you want to stack it on top of another driver.
#------------------------------------------------------------------------------

DISPLAY_DRIVER ?= x11

#------------------------------------------------------------------------------
# Compiler configuration:
#------------------------------------------------------------------------------

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# For UNIX-like platforms:
# Uncomment TSYS_POSIX if your platform is not listed in include/tek/config.h
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

CC = $(CROSS_COMPILE)gcc -fpic # -DTSYS_POSIX

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# For Windows using MinGW:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# CC = $(CROSS_COMPILE)gcc -DWIN32 -DWINVER=0x0400 -D_WIN32_WINNT=0x0400

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Cross-build prefix:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# CROSS_COMPILE =
# Classic MinGW32:
# CROSS_COMPILE = i586-mingw32-
# MinGW-W64 targeting 32-Bit Windows:
# CROSS_COMPILE = i686-w64-mingw32-

#------------------------------------------------------------------------------
# Platform libraries:
# If you link any libraries from directories not in the system run-time
# search path, you may need to uncomment the $(CC_LD_RT) flags for those
# libraries below.
#------------------------------------------------------------------------------

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# POSIX:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

PLATFORM_LIBS = -pthread
CC_LD_RT = -Wl,-rpath,

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# HPPA, IA64 HPUX: Note that DLLEXT (see above) must be .sl
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# PLATFORM_LIBS = -D_POSIX_C_SOURCE=199506L -lpthread
# CC_LD_RT = -Wl,+s,+b,
# for IA64:
# CC_LD_RT = -Wl,+b,

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Solaris:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# CC_LD_RT = -R

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Mac OS X:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# PLATFORM_LIBS =
# CC_LD_RT = -Wl,-rpath,

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# NetBSD:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# CC_LD_RT = -Wl,-rpath=/usr/X11R7/lib:

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Windows:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

# PLATFORM_LIBS = -lmsvcrt -lkernel32 -lwinmm -luser32 -lshell32 -ladvapi32
# LUA_LIBS = -L $(BASEDIR) -llua51

# PLATFORM_LIBS = -lwinmm
# LUA_LIBS = -llua5.2

#------------------------------------------------------------------------------
# tekUI features:
# ENABLE_GRADIENT - enable color gradients
# ENABLE_PIXMAP_CACHE - enable caching of pixmaps
# ENABLE_PNG - enable PNG support through libpng
# ENABLE_FILENO - dispatches lines from a fd (normally stdin) to MSG_USER
# ENABLE_DGRAM=portnr - enables a datagram server on addr:portnr for MSG_USER
# ENABLE_DGRAM_ADDR=\"addr\" - set address to listen on (default 127.0.0.1)
# TEKlib features:
# ENABLE_LAZY_SINGLETON - multithreaded lazy creation of a TEKlib singleton,
# allowing thread rendezvous (this breaks 100% ROM-ability)
#------------------------------------------------------------------------------

TEKUI_DEFS = -DENABLE_GRADIENT -DENABLE_PIXMAP_CACHE
# TEKUI_DEFS += -DENABLE_FILENO -DENABLE_DGRAM=20000
TEKUI_LIBS =

PNG_DIR = $(PREFIX)
PNG_INCDIR = $(PNG_DIR)/include
PNG_LIBDIR = $(PNG_DIR)/lib
# TEKUI_DEFS += -DENABLE_PNG -I$(PNG_INCDIR)
# TEKUI_LIBS += -L$(PNG_LIBDIR) -lpng # $(CC_LD_RT)$(PNG_LIBDIR)

TEKLIB_DEFS = -DENABLE_LAZY_SINGLETON

#------------------------------------------------------------------------------
# Lua version, prefix, include and installation paths:
# Installation is not always required, e.g. x11 and windows can do without.
# When adjusting the Lua version, see also below for include paths
#------------------------------------------------------------------------------

PREFIX ?= /usr/local
LUAVER ?= 5.3

LUA_DIR = $(PREFIX)
LUA_INCDIR = $(LUA_DIR)/include
LUA_DEFS = -I$(LUA_INCDIR) -I/usr/include/lua$(LUAVER)
# some known paths in distributions and toolchains:
LUA_DEFS += -I/usr/local/include/lua53 -I/usr/include/lua5.3

LUA_LIB = $(PREFIX)/lib/lua/$(LUAVER)
LUA_SHARE = $(PREFIX)/share/lua/$(LUAVER)
SYS_LUA_LIB = $(PREFIX)/lib/lua/$(LUAVER)
SYS_LUA_SHARE = $(PREFIX)/share/lua/$(LUAVER)

#------------------------------------------------------------------------------
# Libraries:
#------------------------------------------------------------------------------

FREETYPE_DIR = $(PREFIX)
FREETYPE_INCDIR = $(FREETYPE_DIR)/include
FREETYPE_LIBDIR = $(FREETYPE_DIR)/lib
FREETYPE_LIBS = -L$(FREETYPE_LIBDIR) -lfreetype # $(CC_LD_RT)$(FREETYPE_LIBDIR)
FREETYPE_DEFS = `pkg-config --cflags freetype2`

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# X11 defines and libraries:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

X11_DIR = /usr/X11R6
X11_INCDIR = $(X11_DIR)/include
X11_LIBDIR = $(X11_DIR)/lib
X11_LIBS = -L$(X11_LIBDIR) -lX11 -lXext -lXxf86vm
X11_DEFS = -I$(X11_INCDIR) -DX11_PIXMAP_CACHE -DENABLE_XSHM # -DENABLE_XVID

# For Xft (antialiased fonts) support:
X11_LIBS += $(XFT_LIBS) $(FONTCONFIG_LIBS) $(FREETYPE_LIBS)
X11_DEFS += $(XFT_DEFS) $(FONTCONFIG_DEFS) $(FREETYPE_DEFS) 

XFT_DIR = $(X11_DIR)
XFT_INCDIR = $(XFT_DIR)/include
XFT_LIBDIR = $(XFT_DIR)/lib
XFT_LIBS = -L$(XFT_LIBDIR) -lXft # $(CC_LD_RT)$(XFT_LIBDIR)
XFT_DEFS = -I$(XFT_INCDIR) -DENABLE_XFT

FONTCONFIG_DIR = $(PREFIX)
FONTCONFIG_INCDIR = $(FONTCONFIG_DIR)/include
FONTCONFIG_LIBDIR = $(FONTCONFIG_DIR)/lib
FONTCONFIG_LIBS = -L$(FONTCONFIG_LIBDIR) # -lfontconfig $(CC_LD_RT)$(FONTCONFIG_LIBDIR)
FONTCONFIG_DEFS = -I$(FONTCONFIG_INCDIR)

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Raw framebuffer: Can be visualized on a Linux framebuffer, on another
# display driver, via VNC server, or any combination thereof.
# ENABLE_LINUXFB - enable Linux framebuffer and Linux event interface
# DEF_FONTDIR - default TTF font directory
# RFBPIXFMT - enforce framebuffer pixel format
# ENABLE_WINBACKBUFFER - enable window backing store
# ENABLE_BACKBUFFER - use a global backbuffer even if not strictly required
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

RAWFB_LIBS = $(FREETYPE_LIBS) $(RAWFB_SUB_LIBS) $(VNCSERVER_LIBS) $(TEKUI_LIBS)
RAWFB_DEFS = $(FREETYPE_DEFS) $(RAWFB_SUB_DEFS) $(VNCSERVER_DEFS) -DRFB_PIXMAP_CACHE 

# RAWFB_DEFS += -DDEF_FONTDIR=\"$(SYS_LUA_SHARE)/tek/ui/font\"
# RAWFB_DEFS += -DRFBPIXFMT=TVPIXFMT_R5G6B5 
# RAWFB_DEFS += -DENABLE_WINBACKBUFFER # -DENABLE_BACKBUFFER

# Linux framebuffer support:
RAWFB_DEFS += -DENABLE_LINUXFB

# Redirect input/output to a different display driver:
# RAWFB_SUB_LIBS = -ldisplay_x11 $(X11_LIBS)
# RAWFB_SUB_DEFS = -DRFB_SUB_DEVICE=x11

# VNC support:
VNCSERVER_DIR = $(PREFIX)
VNCSERVER_INCDIR = $(VNCSERVER_DIR)/include
VNCSERVER_LIBDIR = $(VNCSERVER_DIR)/lib
# VNCSERVER_LIBS = -L$(VNCSERVER_LIBDIR) -lvncserver # $(CC_LD_RT)$(VNCSERVER_LIBDIR)
# VNCSERVER_DEFS = -DENABLE_VNCSERVER -I$(VNCSERVER_INCDIR) -DENABLE_VNCSERVER_COPYRECT # -DRFBPIXFMT=TVPIXFMT_0B5G5R5

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# DirectFB defines and libraries:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

DIRECTFB_LIBS = `pkg-config --libs directfb`
DIRECTFB_DEFS = $(FREETYPE_DEFS) `pkg-config --cflags directfb`

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# Windows defines and libraries:
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

WIN_LIBS = $(PLATFORM_LIBS) -lgdi32

#------------------------------------------------------------------------------
# Build paths:
#------------------------------------------------------------------------------

BASEDIR ?= .
INCDIR = $(BASEDIR)/include
LIBDIR = $(BASEDIR)/lib/$(PLATFORM)
OBJDIR = build/$(PLATFORM)
BINDIR = $(BASEDIR)/bin
MODDIR = $(BINDIR)/mod
LUADISTDIR = $(BASEDIR)/../lua-5.1.5

#------------------------------------------------------------------------------
# Compiler flags:
#------------------------------------------------------------------------------

DEBUG = -DTDEBUG=5 -g # TDEBUG: the lower, the more verbose. 5 = WARN
WARN = -Wall -Wextra -Wno-unused-parameter -Wno-unused-function -Wno-long-long
OPT = -O2 -fno-strict-aliasing
INCL = -I. -Iinclude -I$(INCDIR)
LIBCFLAGS = $(DEBUG) $(WARN) $(OPT) $(INCL) $(EXTRADEFS) $(CPPFLAGS) $(CFLAGS)
MODCFLAGS = -shared -L $(LIBDIR) $(LDFLAGS)
# For Mac OS X:
# MODCFLAGS = -bundle -undefined dynamic_lookup -L $(LIBDIR) $(LDFLAGS)
BINCFLAGS = $(DEBUG) $(WARN) $(OPT) $(INCL) $(EXTRADEFS) $(LDFLAGS)
# for compilation of Lua code:
LUAARCH = -m64 # -m32 for 32bit, -m64 for 64bit architecture

#------------------------------------------------------------------------------
# Build tools:
#------------------------------------------------------------------------------

AR = $(CROSS_COMPILE)ar rcu
RM = rm -f
RMDIR = rm -rf
MKDIR = mkdir -p
ECHO = echo
INSTALL_B = install
INSTALL_F = install
INSTALL_D = install -d
INSTALL_S = install -s

#------------------------------------------------------------------------------
# Predefined targets:
#------------------------------------------------------------------------------

default-help:
	@echo "==============================================================================="
	@echo "Default build targets:"
	@echo "-------------------------------------------------------------------------------"
	@echo "all ..................... build everything that is needed"
	@echo "libs .................... build libraries"
	@echo "modules ................. build shared objects"
	@echo "tools ................... build executables"
	@echo "install ................. install modules globally"
	@echo "clean ................... delete temporary files"
	@echo "help .................... show these and all extra targets for this Makefile"
	@echo "==============================================================================="

FORCE:

$(BINDIR):
	-$(MKDIR) $@
$(MODDIR):
	-$(MKDIR) $@
$(LIBDIR):
	-$(MKDIR) $@
$(OBJDIR):
	-$(MKDIR) $@