
# Hacked Makefile for fitzquake_sdl_20080705 by stevenaaus, Sep 21, 2008
# SDL FitzQuake otherwise needs wxWidgets and codeblocks installed to compile.
# Tested on Fedora-7, Fedora-6_amd64, FreeBSD-7.0. Untested on MacOSX, Win32
#
# To do it, just move this file to "fitzquake_sdl_20080705_src/Quake", and "make"
# You'll need SDL and SDL_net fully installed.
# "make DEBUG=1" builds debug client
# "make SDLBASE=/prefix" for unusual SDL installs
# "make AMD64=1" for a 64 bit binary on 64 bit cpus (disabled by default as appears broken)
# 
# Currently build objects are separate from those of codeblocks, but this may change.
# FreeBSD users may have to mess with include directories and also "-nosound"

# ============================================================================

export

DEFAULT_TARGET := fitzquake

.PHONY:	clean release debug

# ============================================================================
# Helper functions
# ============================================================================

check_gcc := $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)

# ============================================================================

BUILDDIR := .

SYSNAME := $(shell uname -s) 

ifneq (,$(findstring MINGW32,$(SYSNAME)))
HOST_OS = WIN32
DFLAGS := -DWIN32 -D_WIN32
TOPDIR := $(shell pwd -W)
else
ifneq (,$(findstring $(SYSNAME),FreeBSD NetBSD OpenBSD))
HOST_OS = UNIX
UNIX = bsd
TOPDIR := $(shell pwd)
else
ifneq (,$(findstring Linux,$(SYSNAME)))
HOST_OS = UNIX
UNIX = linux
DFLAGS := -DLINUX
# currently  only mistakenly(?) used in net_sdlnet.c
TOPDIR := $(shell pwd)
else
$(error OS type not detected.)
endif
endif
endif

# ---------------------------------------
# Define some build variables
# ---------------------------------------

CC ?= gcc

CFLAGS ?= -Wall -Wno-trigraphs
# CFLAGS += -Werror

ifdef DEBUG
DFLAGS += -DDEBUG
CFLAGS += -g
STRIP_CMD := @echo "not stripping"
else
DFLAGS += -DNDEBUG
CFLAGS += -O2
CFLAGS += $(call check_gcc,-fweb,)
CFLAGS += $(call check_gcc,-frename-registers,)
CFLAGS += $(call check_gcc,-mtune=i686,-mcpu=i686)
STRIP_CMD := strip
endif

### 64 bit disabled unless AMD64=1
# FIXME: do a better string searchng here!!
ifneq (,$(findstring 64,$(shell uname -p)))
ifeq ($(AMD64),)
CFLAGS += -m32
LFLAGS += -m32
endif
endif

### X11BASE only gets used if its in an unusual place

X11DIRS := /usr/X11R7 /usr/local/X11R7 /usr/X11R6 /usr/local/X11R6
X11BASE_GUESS := $(shell \
	if [ -e /usr/include/X11/Xlib.h ] && \
		[ -e /usr/lib/libX11.a ]; then exit 0; fi; \
	if [ -e /usr/local/include/X11/Xlib.h ] && \
		[ -e /usr/local/lib/libX11.a ]; then exit 0; fi; \
	for DIR in $(X11DIRS); do \
            if [ -e $$DIR/include/X11/Xlib.h ] && \
		[ -e $$DIR/lib/libX11.a ]; then echo $$DIR; break; fi; \
	done )

X11BASE	?= $(X11BASE_GUESS)

ifneq ($(X11BASE),)
X11_LFLAGS := -L$(X11BASE)/lib
X11_CFLAGS := -I$(X11BASE)/include
endif

SDL_CONFIG ?= sdl-config
SDL_CFLAGS += $(shell $(SDL_CONFIG) --cflags)
SDL_LFLAGS := $(shell $(SDL_CONFIG) --libs)

SDL_LIBS   := SDL SDL_net

COMMON_LIBS:= m X11 Xext Xxf86dga Xxf86vm GL

LIBS := $(patsubst %,-l%,$(COMMON_LIBS) $(SDL_LIBS))

# ---------------------------
# targets
# ---------------------------

release:
	$(MAKE) $(DEFAULT_TARGET)
debug:
	$(MAKE) DEBUG=1 release

# ---------------------------
# rules
# ---------------------------

%.o:	%.c
	$(CC) $(DFLAGS) -c $(CFLAGS) $(X11_CFLAGS) $(SDL_CFLAGS) -o $@ $^

# ----------------------------------------------------------------------------
# Normal Quake (NQ)^H^H^H^H^H^H FitzQuake SDL objects
# ----------------------------------------------------------------------------

OBJS := \
cd_sdl.o    console.o    gl_rmain.o   host.o      net_main.o    r_part.o    sv_move.o \
chase.o     crc.o        gl_rmisc.o   image.o     net_sdlnet.o  r_sprite.o  sv_phys.o \
cl_demo.o   cvar.o       gl_screen.o  in_sdl.o    net_sdl.o     r_world.o   sv_user.o \
cl_input.o  gl_draw.o    gl_sky.o     keys.o      pl_linux.o    sbar.o      sys_sdl.o \
cl_main.o   gl_fog.o     gl_test.o    main.o      pr_cmds.o     snd_dma.o   view.o \
cl_parse.o  gl_mesh.o    gl_texmgr.o  mathlib.o   pr_edict.o    snd_mem.o   wad.o \
cl_tent.o   gl_model.o   gl_vidsdl.o  menu.o      pr_exec.o     snd_mix.o   world.o \
cmd.o       gl_refrag.o  gl_warp.o    net_dgrm.o  r_alias.o     snd_sdl.o   zone.o \
common.o    gl_rlight.o  host_cmd.o   net_loop.o  r_brush.o     sv_main.o 

# ------------------------
# Now, the build rules...
# ------------------------

# Linux

linux_objs:	$(OBJS)

install:	fitzquake
	mv fitzquake /usr/local/games/quake
objects:
	$(MAKE) -C $(BUILDDIR) linux_objs

fitzquake:	objects
	$(CC) $(CFLAGS) -o fitzquake $(patsubst %,$(BUILDDIR)/%,$(OBJS)) $(X11_LFLAGS) $(SDL_LFLAGS) $(LIBS)
	$(STRIP_CMD) $@

clean:
	rm -f $(shell find . \( -name '*~' -o -name '#*#' -o -name '*.o' -o -name '*.res' -o -name $(DEFAULT_TARGET) \) -print)
