--- sys/unix/Makefile.utl.orig	2026-05-27 00:15:32 UTC
+++ sys/unix/Makefile.utl
@@ -107,18 +107,29 @@ SRCDIR = $(NHSROOT)/src
 #CFLAGS = -O -I../include
 #LFLAGS =
 
+CFLAGS += -I../include -I${LUA_INCDIR}
+ifeq ("$(GRAPHICS)","X11_GRAPHICS")
+CFLAGS += -DX11_GRAPHICS
+endif
+ifeq ("$(GRAPHICS)","QT_GRAPHICS")
+CFLAGS += -DQT_GRAPHICS
+endif
+ifeq ("$(GRAPHICS)","GNOME_GRAPHICS")
+CFLAGS += -DGNOME_GRAPHICS
+endif
+
 #fallback defaults if not set
 CFLAGS ?= -I../include
 
 # -lm required by lua
-LFLAGS += -lm
+LFLAGS += -L${LUA_LIBDIR}
 
 # we specify C preprocessor flags via CFLAGS; files built with default rules
 # might include $(CPPFLAGS) which could get a value from user's environment;
 # we avoid that by forcing it empty rather than by overriding default rules
 CPPFLAGS =
 
-LIBS =
+LIBS = -llua-${LUA_VER} -lm
 
 OBJDIR = ../src