diff --git a/src/game/Doom2DF.lpr b/src/game/Doom2DF.lpr
index 7f869f160006312da7185f9baf3d2a2a8e88cfe6..758c4f9eb4fa2abc003b363db081ee87fa2f2fa1 100644 (file)
--- a/src/game/Doom2DF.lpr
+++ b/src/game/Doom2DF.lpr
{$ERROR Sound driver not selected. Use -dUSE_SOUNDSTUB or -dUSE_SDLMIXER or -dUSE_FMOD or -dUSE_OPENAL}
{$ENDIF}
+{$IFDEF HEADLESS}
+ {$IFNDEF USE_SYSSTUB}
+ {$ERROR Using system driver has no sense for headless build. Use -dUSE_SYSSTUB instead}
+ {$ENDIF}
+{$ENDIF}
+
{$IFDEF ENABLE_HOLMES}
{$IFDEF HEADLESS}
{$ERROR Holmes in HEADLESS mode has no sense}