--- sdl/opengl.c	Fri Aug 10 10:15:18 2018
+++ sdl/opengl.c	Thu Sep 20 21:13:19 2018
@@ -225,7 +225,8 @@
 
 	// create an OpenGL compatibility context, not a core or ES context
 #ifndef WIN // except on Windows, where some Nvidia drivers really don't like us doing this
-	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
+//	zanac, these attributes don't work well in allwinner (rasbperry too?)
+//	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_COMPATIBILITY);
 #endif
 
 	// get window and initialize OpenGL context
@@ -235,8 +236,9 @@
 		printf("Failed to create OpenGL-compatible window (%s)...", SDL_GetError());
 		goto error;
 	}
-	if((context = SDL_GL_GetCurrentContext()))
-		SDL_GL_DeleteContext(context);
+//	zanac, it seems that you should always create a new context without delete the old one, this happen in allwinner (rasbperry too?)
+//	if((context = SDL_GL_GetCurrentContext()))
+//		SDL_GL_DeleteContext(context);
 	context = SDL_GL_CreateContext(window);
 
 	// make sure the context was created successfully
--- sdl/sdlport.c	Fri Aug 10 10:15:18 2018
+++ sdl/sdlport.c	Mon Sep 24 17:44:49 2018
@@ -137,7 +137,19 @@
 	dirExists(logsDir, 1);
 	dirExists(screenShotsDir, 1);
 
-	Menu();
+   // Test command line argument to launch MOD
+   int romArg = 0;
+   if(argc == 2) {
+      memcpy(packfile, argv[1], strlen(argv[1]));
+      if(fileExists(packfile)) {
+         romArg = 1;
+      }
+   }
+
+   if(!romArg) {
+       Menu();
+   }
+
 #ifndef SKIP_CODE
 	getPakName(pakname, -1);
 	video_set_window_title(pakname);
--- Makefile	Fri Aug 10 10:15:18 2018
+++ Makefile	Thu Sep 27 17:16:22 2018
@@ -139,21 +139,26 @@
 TARGET_PLATFORM = PANDORA
 BUILD_LINUX     = 1
 BUILD_SDL       = 1
+BUILD_GLES      = 1
+BUILD_OPENGL    = 1
+BUILD_LOADGL    = 1
+BUILD_WEBM      = 1
 BUILD_GFX       = 1
 BUILD_PTHREAD   = 1
 BUILD_SDL_IO    = 1
 BUILD_TREMOR    = 1
 BUILDING        = 1
-CC  	        = $(PNDDEV)/bin/arm-none-linux-gnueabi-gcc
+CC  	        = gcc
 INCLUDES        = $(PNDDEV)/include \
                   $(PNDDEV)/include/SDL
 OBJTYPE         = elf
-LIBRARIES       = $(PNDDEV)/lib
+LIBRARIES       = .
 ifeq ($(BUILD_PANDORA), 0)
 BUILD_DEBUG     = 1
 endif
 endif
 
+
 ifdef BUILD_WII
 TARGET 	        = $(VERSION_NAME).elf
 TARGET_MAP      = $(TARGET).map
@@ -199,7 +204,7 @@
 STRIP           = $(PREFIX)strip $(TARGET) -o $(TARGET_FINAL)
 endif
 ifdef BUILD_PANDORA
-STRIP 	        = $(PNDDEV)/bin/arm-none-linux-gnueabi-strip $(TARGET) -o $(TARGET_FINAL)
+STRIP 	        = strip $(TARGET) -o $(TARGET_FINAL)
 endif
 ifdef BUILD_WII
 STRIP           = elf2dol $< $@
@@ -444,6 +449,7 @@
 
 CFLAGS 	       += $(addprefix -I", $(addsuffix ", $(INCS))) $(ARCHFLAGS) -D$(TARGET_PLATFORM)
 CFLAGS 	       += -g -Wall -Werror -fsigned-char -std=gnu99
+CFLAGS         += -marm -mfloat-abi=hard -fomit-frame-pointer -ffast-math -O2
 
 
 ifndef BUILD_DARWIN
@@ -566,7 +572,7 @@
 ifeq ($(findstring DGE, $(SDKPATH)), DGE)
 LIBS           += -lSDL -lSDL_gfx -lts
 else
-LIBS           += -Wl,-rpath,$(LIBRARIES) -lSDL2 -lSDL2_gfx
+LIBS           += -Wl,-rpath,$(LIBRARIES) -lSDL2 -lSDL2_gfx -lGL
 endif
 endif