diff -Naur SDL-1.2.13/configure.in SDL-1.2.13.tpg/configure.in
--- SDL-1.2.13/configure.in	2007-12-31 04:48:39.000000000 +0000
+++ SDL-1.2.13.tpg/configure.in	2008-01-11 18:54:04.000000000 +0000
@@ -348,8 +348,8 @@
 AC_HELP_STRING([--enable-alsa-shared], [dynamically load ALSA audio support [[default=yes]]]),
                           , enable_alsa_shared=yes)
             if test "x`echo $ALSA_LIBS | grep -- -L`" = "x"; then
-                if test "x`ls /lib/libasound.so.* 2> /dev/null`" != "x"; then
-                    ALSA_LIBS="-L/lib $ALSA_LIBS"
+                if test "x`ls ${libdir}/libasound.so.* 2> /dev/null`" != "x"; then
+                    ALSA_LIBS="-L${libdir} $ALSA_LIBS"
                 elif test "x`ls /usr/lib/libasound.so.* 2> /dev/null`" != "x"; then
                     ALSA_LIBS="-L/usr/lib $ALSA_LIBS"
                 elif test "x`ls /usr/local/lib/libasound.so.* 2> /dev/null`" != "x"; then
@@ -452,7 +452,7 @@
             AC_ARG_ENABLE(esd-shared,
 AC_HELP_STRING([--enable-esd-shared], [dynamically load ESD audio support [[default=yes]]]),
                           , enable_esd_shared=yes)
-            esd_lib_spec=`echo $ESD_LIBS | sed 's/.*-L\([[^ ]]*\).*/\1\/libesd.so.*/'`
+            esd_lib_spec="${libdir}/libesd.so.*"
             esd_lib=`ls -- $esd_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
             echo "-- $esd_lib_spec -> $esd_lib"
 
@@ -501,8 +501,8 @@
 AC_HELP_STRING([--enable-pulseaudio-shared], [dynamically load PulseAudio support [[default=yes]]]),
                           , enable_pulse_shared=yes)
             if test "x`echo $PULSE_LIBS | grep -- -L`" = "x"; then
-                if test "x`ls /lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
-                    PULSE_LIBS="-L/lib $PULSE_LIBS"
+                if test "x`ls ${libdir}/libpulse-simple.so.* 2> /dev/null`" != "x"; then
+                    PULSE_LIBS="-L${libdir} $PULSE_LIBS"
                 elif test "x`ls /usr/lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
                     PULSE_LIBS="-L/usr/lib $PULSE_LIBS"
                 elif test "x`ls /usr/local/lib/libpulse-simple.so.* 2> /dev/null`" != "x"; then
@@ -561,7 +561,7 @@
                 AC_ARG_ENABLE(arts-shared,
 AC_HELP_STRING([--enable-arts-shared], [dynamically load aRts audio support [[default=yes]]]),
                               , enable_arts_shared=yes)
-                arts_lib_spec="$ARTS_PREFIX/lib/libartsc.so.*"
+                arts_lib_spec="${libdir}/libartsc.so.*"
                 arts_lib=`ls -- $arts_lib_spec | sed 's/.*\/\(.*\)/\1/; q'`
                 echo "-- $arts_lib_spec -> $arts_lib"
 
@@ -603,10 +603,10 @@
         have_nas=no
         if test x$have_audio_hdr = xyes -a x$have_audio_lib = xyes; then
             have_nas=yes
-            NAS_LIBS="-laudio -lXt"
+            NAS_LIBS="-L${libdir} -laudio -lXt"
         elif test x$have_nas_hdr = xyes -a x$have_nas_lib = xyes; then
             have_nas=yes
-            NAS_LIBS="-lnas -lXt"
+            NAS_LIBS="-L${libdir} -lnas -lXt"
 	fi
         AC_MSG_RESULT($have_nas)
 
@@ -912,8 +912,8 @@
             *-*-darwin*)
                 # This isn't necessary for X11, but fixes GLX detection
                 if test "x$x_includes" = xNONE && test "x$x_libraries" = xNONE; then
-                    x_includes="/usr/X11R6/include"
-                    x_libraries="/usr/X11R6/lib"
+                    x_includes="/usr/include"
+                    x_libraries="${libdir}"
                 fi
                 ;;
         esac
@@ -947,7 +947,7 @@
                     ;;
                 *)
                     x11_lib_path=[`echo $X_LIBS | sed 's/.*-L\([^ ]*\).*/\1/'`]
-                    for path in $x11_lib_path /usr/lib /usr/X11/lib /usr/X11R6/lib; do
+                    for path in $x11_lib_path ${libdir} /usr/X11/lib /usr/X11R6/lib; do
                         if test "x$x11_lib" = "x"; then
                             x11_lib=[`ls -- $path/libX11.so.[0-9] 2>/dev/null | sort -r | sed 's/.*\/\(.*\)/\1/; q'`]
                             if test "x$x11_lib" = "x"; then