Remove Mac OS X support

No, this is not a rage quit but the result of a long discussion. There
are several reasons for us to drop OS X support:

- OS X support was always more or less hacky. For example is was never
  really integrated into the build system and some features like the
  OpenAL sound backend never worked well.
- The OS X support never grew into the new world based upon SDL2.
- It was broken since at least Lion which was released 4 years ago.
- None of the developers has a Mac or plans to buy one. Supporting
  a software for a platform not used by the developers is more or
  less impossible.
- And despite several appeals no one from the OS X community ever
  stept up and send patches.

Removed are:
- Makefile support
- The OpenAL quirks
- The Cocoa bindings
- The framworks

Not removed is:
- Savegame support
- Memory management support
- Platform detection
- OpenGL and SDL includes

So, if someone steps up and does a modern, fully integrated port based
upon SDL2 we're happy to merge it back. The requirements are:
- It must be a clean port, without any hacks
- Full build system integration must be provided
- The port must be maintained even after it was merged. At every release
  binaries must be build, API / ABI changes with new OS X versions must
  be tracked.

Makefile

@@ -20,7 +20,6 @@
 #  - FreeBSD                                             #
 #  - Linux                                               #
 #  - OpenBSD                                             #
-#  - OS X                                                #
 #  - Windows (MinGW)                                     #
 # ------------------------------------------------------ #
 
@@ -69,19 +68,6 @@ WITH_SYSTEMWIDE:=no
 # MUST NOT be surrounded by quotation marks!
 WITH_SYSTEMDIR:=""
 
-# This will set the architectures of the OSX-binaries.
-# You have to make sure your libs/frameworks supports
-# these architectures! To build an universal ppc-compatible
-# one would add -arch ppc for example.
-OSX_ARCH:=-arch i386 -arch x86_64
-
-# This will set the build options to create an MacOS .app-bundle.
-# The app-bundle itself will not be created, but the runtime paths
-# will be set to expect the linked Frameworks in *.app/Contents/
-# Frameworks and the game-data will be expected in *.app/
-# Contents/Resources
-OSX_APP:=yes
-
 # This is an optional configuration file, it'll be used in
 # case of presence.
 CONFIG_FILE := config.mk
@@ -154,14 +140,8 @@ endif
 #
 # -MMD to generate header dependencies. (They cannot be
 #  generated if building universal binaries on OSX)
-ifeq ($(OSTYPE), Darwin)
-CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
-		  -Wall -pipe -g
-CFLAGS += $(OSX_ARCH)
-else
 CFLAGS := -O2 -fno-strict-aliasing -fomit-frame-pointer \
 		  -Wall -pipe -g -ggdb -MMD
-endif
 
 # ----------
 
@@ -184,9 +164,6 @@ endif
 # ----------
 
 # Extra CFLAGS for SDL
-ifeq ($(OSTYPE), Darwin)
-SDLCFLAGS :=
-else # not darwin
 ifeq ($(WITH_SDL2),yes)
 ifeq ($(OSTYPE),Windows)
 SDLCFLAGS := $(shell /custom/bin/sdl2-config --cflags)
@@ -200,19 +177,16 @@ else
 SDLCFLAGS := $(shell sdl-config --cflags)
 endif
 endif # SDL2
-endif # darwin's else
 
 # ----------
 
 # Extra CFLAGS for X11
 ifneq ($(OSTYPE), Windows)
-ifneq ($(OSTYPE), Darwin)
 ifeq ($(WITH_X11GAMMA),yes)
 X11CFLAGS := $(shell pkg-config x11 --cflags)
 X11CFLAGS += $(shell pkg-config xxf86vm --cflags)
 endif
 endif
-endif
 
 # ----------
 
@@ -223,8 +197,6 @@ else ifeq ($(OSTYPE),FreeBSD)
 INCLUDE := -I/usr/local/include
 else ifeq ($(OSTYPE),OpenBSD)
 INCLUDE := -I/usr/local/include
-else ifeq ($(OSTYPE),Darwin)
-INCLUDE :=
 else ifeq ($(OSTYPE),Windows)
 INCLUDE := -I/custom/include
 endif
@@ -240,8 +212,6 @@ else ifeq ($(OSTYPE),OpenBSD)
 LDFLAGS := -L/usr/local/lib -lm
 else ifeq ($(OSTYPE),Windows)
 LDFLAGS := -L/custom/lib -static -lws2_32 -lwinmm
-else ifeq ($(OSTYPE), Darwin)
-LDFLAGS := $(OSX_ARCH) -lm
 endif
 
 # ----------
@@ -253,32 +223,24 @@ SDLLDFLAGS := $(shell /custom/bin/sdl2-config --static-libs)
 else # not SDL2
 SDLLDFLAGS := -lSDL
 endif # SDL2
-else ifeq ($(OSTYPE), Darwin)
+else # not Win
-ifeq ($(WITH_SDL2),yes)
-SDLLDFLAGS := -framework SDL2 -framework OpenGL -framework Cocoa
-else # not SDL2
-SDLLDFLAGS := -framework SDL -framework OpenGL -framework Cocoa
-endif # SDL2
-else # not Darwin/Win
 ifeq ($(WITH_SDL2),yes)
 SDLLDFLAGS := $(shell sdl2-config --libs)
 else # not SDL2
 SDLLDFLAGS := $(shell sdl-config --libs)
 endif # SDL2
-endif # Darwin/Win
+endif # Win
 
 # ----------
 
 # Extra LDFLAGS for X11
 ifneq ($(OSTYPE), Windows)
-ifneq ($(OSTYPE), Darwin)
 ifeq ($(WITH_X11GAMMA),yes)
 X11LDFLAGS := $(shell pkg-config x11 --libs)
 X11LDFLAGS += $(shell pkg-config xxf86vm --libs)
 X11LDFLAGS += $(shell pkg-config xrandr --libs)
 endif
 endif
-endif
 
 # ----------
 
@@ -376,7 +338,7 @@ release/quake2.exe : CFLAGS += -DSDL2
 endif
 
 release/quake2.exe : LDFLAGS += -mwindows -lopengl32
-else
+else # not Windows
 client:
 	@echo "===> Building quake2"
 	${Q}mkdir -p release
@@ -387,32 +349,18 @@ build/client/%.o: %.c
 	${Q}mkdir -p $(@D)
 	${Q}$(CC) -c $(CFLAGS) $(SDLCFLAGS) $(X11CFLAGS) $(INCLUDE) -o $@ $<
 
-ifeq ($(OSTYPE), Darwin)
-build/client/%.o : %.m
-	@echo "===> CC $<"
-	${Q}mkdir -p $(@D)
-	${Q}$(CC) $(OSX_ARCH) -x objective-c -c $< -o $@
-endif
-
 ifeq ($(WITH_CDA),yes)
 release/quake2 : CFLAGS += -DCDA
 endif
 
 ifeq ($(WITH_OGG),yes)
 release/quake2 : CFLAGS += -DOGG
-ifeq ($(OSTYPE), Darwin)
-release/quake2 : LDFLAGS += -framework Vorbis -framework Ogg
-else
 release/quake2 : LDFLAGS += -lvorbis -lvorbisfile -logg
 endif
-endif
 
 ifeq ($(WITH_OPENAL),yes)
 ifeq ($(OSTYPE), OpenBSD)
 release/quake2 : CFLAGS += -DUSE_OPENAL -DDEFAULT_OPENAL_DRIVER='"libopenal.so"'
-else ifeq ($(OSTYPE), Darwin)
-release/quake2 : CFLAGS += -DUSE_OPENAL -DDEFAULT_OPENAL_DRIVER='"/System/Library/Frameworks/OpenAL.framework/OpenAL"'
-release/quake2 : LDFLAGS += -framework OpenAL
 else
 release/quake2 : CFLAGS += -DUSE_OPENAL -DDEFAULT_OPENAL_DRIVER='"libopenal.so.1"'
 endif
@@ -431,15 +379,7 @@ ifeq ($(WITH_SDL2),yes)
 release/quake2 : CFLAGS += -DSDL2
 endif
  
-ifeq ($(OSTYPE), Darwin)
-ifeq ($(OSX_APP), yes)
-release/quake2 : LDFLAGS += -Xlinker -rpath -Xlinker @loader_path/../Frameworks
-endif
-endif
- 
-ifneq ($(OSTYPE), Darwin)
 release/quake2 : LDFLAGS += -lGL
-endif
 
 ifeq ($(OSTYPE), FreeBSD)
 release/quake2 : LDFLAGS += -Wl,-z,origin,-rpath='$$ORIGIN/lib'
@@ -485,7 +425,7 @@ ifeq ($(WITH_ZIP),yes)
 release/q2ded.exe : CFLAGS += -DZIP -DNOUNCRYPT
 release/q2ded.exe : LDFLAGS += -lz
 endif
-else
+else # not Windows
 server:
 	@echo "===> Building q2ded"
 	${Q}mkdir -p release
@@ -519,7 +459,7 @@ build/baseq2/%.o: %.c
 	${Q}$(CC) -c $(CFLAGS) $(INCLUDE) -o $@ $<
 
 release/baseq2/game.dll : LDFLAGS += -shared
-else
+else # not Windows
 game:
 	@echo "===> Building baseq2/game.so"
 	${Q}mkdir -p release/baseq2
@@ -683,10 +623,6 @@ CLIENT_OBJS_ += \
 	src/backends/unix/shared/hunk.o
 endif
 
-ifeq ($(OSTYPE), Darwin)
-CLIENT_OBJS_ += src/backends/sdl_osx/SDLMain.o
-endif
-
 # ----------
 
 # Used by the server
@@ -726,7 +662,7 @@ SERVER_OBJS_ += \
 	src/backends/windows/network.o \
 	src/backends/windows/system.o \
 	src/backends/windows/shared/mem.o
-else
+else # not Windows
 SERVER_OBJS_ += \
 	src/backends/unix/main.o \
 	src/backends/unix/network.o \

src/backends/generic/header/qal.h

@@ -31,12 +31,8 @@
 #ifndef _QAL_API_H_
  #define _QAL_API_H_
 
- #if defined (__APPLE__)
- #include <OpenAL/al.h>
- #else
  #include <AL/al.h>
  #include <AL/efx.h>
- #endif
 
 /* Function pointers used to tie
 *  the qal API to the OpenAL API */
@@ -113,12 +109,10 @@ extern LPALDOPPLERFACTOR qalDopplerFactor;
 extern LPALDOPPLERVELOCITY qalDopplerVelocity;
 extern LPALSPEEDOFSOUND qalSpeedOfSound;
 extern LPALDISTANCEMODEL qalDistanceModel;
-#if !defined (__APPLE__)
 extern LPALGENFILTERS qalGenFilters;
 extern LPALFILTERI qalFilteri;
 extern LPALFILTERF qalFilterf;
 extern LPALDELETEFILTERS qalDeleteFilters;
-#endif
 
 /*
  * Gives information over the OpenAL

src/backends/generic/qal.c

@@ -32,14 +32,9 @@
 
 #ifdef USE_OPENAL
 
-#if defined (__APPLE__)
-#include <OpenAL/al.h>
-#include <OpenAL/alc.h>
-#else
 #include <AL/al.h>
 #include <AL/alc.h>
 #include <AL/alext.h>
-#endif
 
 #include "../../common/header/common.h"
 #include "../../client/sound/header/local.h"
@@ -148,12 +143,10 @@ LPALDOPPLERFACTOR qalDopplerFactor;
 LPALDOPPLERVELOCITY qalDopplerVelocity;
 LPALSPEEDOFSOUND qalSpeedOfSound;
 LPALDISTANCEMODEL qalDistanceModel;
-#if !defined (__APPLE__)
 LPALGENFILTERS qalGenFilters;
 LPALFILTERI qalFilteri;
 LPALFILTERF qalFilterf;
 LPALDELETEFILTERS qalDeleteFilters;
-#endif
 
 /*
  * Gives information over the OpenAL
@@ -324,12 +317,10 @@ QAL_Shutdown()
 	qalDopplerVelocity = NULL;
 	qalSpeedOfSound = NULL;
 	qalDistanceModel = NULL;
-#if !defined (__APPLE__)	
 	qalGenFilters = NULL;
 	qalFilteri = NULL;
 	qalFilterf = NULL;
 	qalDeleteFilters = NULL;
-#endif
 
 	/* Unload the shared lib */
 	Sys_FreeLibrary(handle);
@@ -494,7 +485,6 @@ QAL_Init()
 		return false;
 	}
 
-#if !defined (__APPLE__)
     if (qalcIsExtensionPresent(device, "ALC_EXT_EFX") != AL_FALSE) {
         qalGenFilters = qalGetProcAddress("alGenFilters");
         qalFilteri = qalGetProcAddress("alFilteri");
@@ -506,7 +496,6 @@ QAL_Init()
         qalFilterf = NULL;
         qalDeleteFilters = NULL;
     }
-#endif
 
 	Com_Printf("ok\n");
 

src/backends/unix/main.c

@@ -34,7 +34,7 @@
 #include "../../common/header/common.h"
 #include "header/unix.h"
 
-#if defined(__APPLE__) && !defined(DEDICATED_ONLY)
+#if !defined(DEDICATED_ONLY)
 #include <SDL/SDL.h>
 #endif
 

src/client/sound/openal.c

@@ -54,12 +54,7 @@ qboolean streamPlaying;
 static ALuint s_srcnums[MAX_CHANNELS - 1];
 static ALuint streamSource;
 static int s_framecount;
-
-/* Apple crappy OpenAL implementation
-   has no support for filters. */
-#ifndef __APPLE__
 static ALuint underwaterFilter;
-#endif
 
 /* ----------------------------------------------------------------- */
 
@@ -661,7 +656,6 @@ AL_Update(void)
 void
 AL_Underwater()
 {
-#if !defined (__APPLE__)
 	int i;
 
 	if (sound_started != SS_OAL)
@@ -677,7 +671,6 @@ AL_Underwater()
 	{
 		qalSourcei(s_srcnums[i], AL_DIRECT_FILTER, underwaterFilter);
 	}
-#endif
 }
 
 /*
@@ -686,7 +679,6 @@ AL_Underwater()
 void
 AL_Overwater()
 {
-#if !defined (__APPLE__)
 	int i;
 
 	if (sound_started != SS_OAL)
@@ -702,7 +694,6 @@ AL_Overwater()
 	{
 		qalSourcei(s_srcnums[i], AL_DIRECT_FILTER, 0);
 	}
-#endif
 }
 
 /* ----------------------------------------------------------------- */
@@ -728,7 +719,6 @@ AL_InitStreamSource()
 static void
 AL_InitUnderwaterFilter()
 {
-#if !defined (__APPLE__)
     underwaterFilter = 0;
 
     if (!(qalGenFilters && qalFilteri && qalFilterf && qalDeleteFilters))
@@ -756,7 +746,6 @@ AL_InitUnderwaterFilter()
 
     s_underwater->modified = true;
     s_underwater_gain_hf->modified = true;
-#endif
 }
 
 /*
@@ -817,10 +806,7 @@ AL_Init(void)
 
 	s_numchannels = i;
 	AL_InitStreamSource();
-
-#ifndef __APPLE__
 	AL_InitUnderwaterFilter();
-#endif
 
 	Com_Printf("Number of OpenAL sources: %d\n\n", s_numchannels);
 	return true;
@@ -837,9 +823,8 @@ AL_Shutdown(void)
 	AL_StreamDie();
 
 	qalDeleteSources(1, &streamSource);
-#if !defined (__APPLE__)
 	qalDeleteFilters(1, &underwaterFilter);
-#endif
+
 	if (s_numchannels)
 	{
 		/* delete source names */