diff -Nru mzx281c.orig/arch/Makefile.linux mzx281c/arch/Makefile.linux
--- mzx281c.orig/arch/Makefile.linux	2005-11-20 18:26:04.000000000 -0800
+++ mzx281c/arch/Makefile.linux	2006-09-07 18:14:49.000000000 -0700
@@ -10,7 +10,7 @@
 
 # standard libraries
 LIBS      = ../${GDM2S3M}/libgdm2s3m.a ../${MODPLUG}/libmodplug.a \
-            -L${PREFIX}/lib -lSDL -lpthread -lvorbisfile -lvorbis -logg
+            -L/usr/lib -lSDL -lpthread -lvorbisfile -lvorbis -logg
 
 # linux os specific install target
 install:
diff -Nru mzx281c.orig/arch/Makefile.linux-static mzx281c/arch/Makefile.linux-static
--- mzx281c.orig/arch/Makefile.linux-static	2005-11-24 10:03:36.000000000 -0800
+++ mzx281c/arch/Makefile.linux-static	2006-09-07 18:15:19.000000000 -0700
@@ -10,7 +10,7 @@
 
 # standard libraries
 LIBS      = ../${GDM2S3M}/libgdm2s3m.a ../${MODPLUG}/libmodplug.a \
-            ${PREFIX}/lib/libvorbisfile.a ${PREFIX}/lib/libvorbis.a \
-            ${PREFIX}/lib/libogg.a ${PREFIX}/lib/libstdc++.a \
-            -L${PREFIX}/lib -lSDL -lpthread
+            /usr/lib/libvorbisfile.a /usr/lib/libvorbis.a \
+            /usr/lib/libogg.a /usr/lib/libstdc++.a \
+            -L/usr/lib -lSDL -lpthread
 
diff -Nru mzx281c.orig/src/Makefile mzx281c/src/Makefile
--- mzx281c.orig/src/Makefile	2005-06-14 16:32:24.000000000 -0700
+++ mzx281c/src/Makefile	2006-09-07 18:16:34.000000000 -0700
@@ -8,8 +8,8 @@
 CXXFLAGS += -ffast-math -funsigned-char -DMZX_VERSION=\"${VERSTRING}\"
 
 # standard MZX includes
-INCLUDES  = -I${PREFIX}/include -I../${MODPLUG} -I../${GDM2S3M} \
-            -I../${MODPLUG}/libmodplug -I${PREFIX}/include/SDL
+INCLUDES  = -I/usr/include -I../${MODPLUG} -I../${GDM2S3M} \
+            -I../${MODPLUG}/libmodplug -I/usr/include/SDL
 
 OBJS      = main.${o} graphics.${o} window.${o} hexchar.${o} event.${o} \
             error.${o} helpsys.${o} world.${o} board.${o} robot.${o} \