Merge pull request #202 from wallyweek/sdlinipath

Added new SDL_INI_PATH flag [Cesare Falco]

makefile

@@ -27,6 +27,7 @@
 # USE_DISPATCH_GL = 0
 # DIRECTINPUT = 7
 # USE_SDL = 1
+# SDL_INI_PATH = .;$HOME/.mame/;ini;
 # SDL2_MULTIAPI = 1
 # NO_USE_MIDI = 1
 # DONT_USE_NETWORK = 1
@@ -504,6 +505,10 @@ ifdef USE_SDL
 PARAMS += --USE_SDL='$(USE_SDL)'
 endif
 
+ifdef SDL_INI_PATH
+PARAMS += --SDL_INI_PATH='$(SDL_INI_PATH)'
+endif
+
 ifdef CYGWIN_BUILD
 PARAMS += --CYGWIN_BUILD='$(CYGWIN_BUILD)'
 endif

scripts/src/osd/sdl.lua

@@ -101,6 +101,11 @@ newoption {
 	description = "link against specific GL-Library - also adds rpath to executable (overridden by USE_DISPATCH_GL)",
 }
 
+newoption {
+    trigger = "SDL_INI_PATH",
+    description = "Default search path for .ini files",
+}
+
 newoption {
 	trigger = "NO_X11",
 	description = "Disable use of X11",

scripts/src/osd/sdl_cfg.lua

@@ -18,6 +18,11 @@ if _OPTIONS["NO_OPENGL"]~="1" and _OPTIONS["USE_DISPATCH_GL"]~="1" and _OPTIONS[
 	}
 end
 
+if _OPTIONS["SDL_INI_PATH"]~=nil then
+    defines {
+        "'INI_PATH=\"" .. _OPTIONS["SDL_INI_PATH"] .. "\"'",
+    }
+end
 
 if _OPTIONS["NO_X11"]=="1" then
 	defines {