nixpkgs/pkgs/applications/emulators/mame/emuopts.patch

diff --git a/src/emu/emuopts.cpp b/src/emu/emuopts.cpp
index c42fcef848..d1bddae060 100644
--- a/src/emu/emuopts.cpp
+++ b/src/emu/emuopts.cpp
@@ -36,16 +36,16 @@ const options_entry emu_options::s_option_entries[] =
 	{ nullptr,                                           nullptr,     OPTION_HEADER,     "CORE SEARCH PATH OPTIONS" },
 	{ OPTION_HOMEPATH,                                   ".",         OPTION_STRING,     "path to base folder for plugin data (read/write)" },
 	{ OPTION_MEDIAPATH ";rp;biospath;bp",                "roms",      OPTION_STRING,     "path to ROM sets and hard disk images" },
-	{ OPTION_HASHPATH ";hash_directory;hash",            "hash",      OPTION_STRING,     "path to software definition files" },
-	{ OPTION_SAMPLEPATH ";sp",                           "samples",   OPTION_STRING,     "path to audio sample sets" },
-	{ OPTION_ARTPATH,                                    "artwork",   OPTION_STRING,     "path to artwork files" },
-	{ OPTION_CTRLRPATH,                                  "ctrlr",     OPTION_STRING,     "path to controller definitions" },
-	{ OPTION_INIPATH,                                    ".;ini;ini/presets",     OPTION_STRING,     "path to ini files" },
-	{ OPTION_FONTPATH,                                   ".",         OPTION_STRING,     "path to font files" },
+	{ OPTION_HASHPATH ";hash_directory;hash",            "hash;@mame@/hash",      OPTION_STRING,     "path to software definition files" },
+	{ OPTION_SAMPLEPATH ";sp",                           "samples;@mame@/samples",   OPTION_STRING,     "path to audio sample sets" },
+	{ OPTION_ARTPATH,                                    "artwork;@mame@/artwork",   OPTION_STRING,     "path to artwork files" },
+	{ OPTION_CTRLRPATH,                                  "ctrlr;@mame@/ctrlr",     OPTION_STRING,     "path to controller definitions" },
+	{ OPTION_INIPATH,                                    ".;ini;ini/presets;@mame@/ini/presets",     OPTION_STRING,     "path to ini files" },
+	{ OPTION_FONTPATH,                                   ".;@mame@",         OPTION_STRING,     "path to font files" },
 	{ OPTION_CHEATPATH,                                  "cheat",     OPTION_STRING,     "path to cheat files" },
 	{ OPTION_CROSSHAIRPATH,                              "crosshair", OPTION_STRING,     "path to crosshair files" },
-	{ OPTION_PLUGINSPATH,                                "plugins",   OPTION_STRING,     "path to plugin files" },
-	{ OPTION_LANGUAGEPATH,                               "language",  OPTION_STRING,     "path to UI translation files" },
+	{ OPTION_PLUGINSPATH,                                "plugins;@mame@/plugins",   OPTION_STRING,     "path to plugin files" },
+	{ OPTION_LANGUAGEPATH,                               "language;@mame@/language",  OPTION_STRING,     "path to UI translation files" },
 	{ OPTION_SWPATH,                                     "software",  OPTION_STRING,     "path to loose software" },
 
 	// output directory options