diff -up alienarena-7.51/configure.ac.BAD alienarena-7.51/configure.ac
--- alienarena-7.51/configure.ac.BAD	2011-03-24 10:59:58.490054999 -0400
+++ alienarena-7.51/configure.ac	2011-03-24 11:00:06.306055413 -0400
@@ -305,7 +305,7 @@ AM_COND_IF([BUILD_CLIENT],
 #  is not considered to be a user-specifiable option.
 #
 	AS_IF([ test "x$system_ode" = "xyes" ],[
-		PKG_CHECK_MODULES([ODE],[ode],,[
+		PKG_CHECK_MODULES([ODE],[ode-double],,[
 			AC_MSG_FAILURE(
 				[--with-system-libode specified, but the library or headers could not be found])
 			])
diff -up alienarena-7.51/configure.BAD alienarena-7.51/configure
--- alienarena-7.51/configure.BAD	2011-03-24 11:01:39.411054929 -0400
+++ alienarena-7.51/configure	2011-03-24 11:01:44.281055001 -0400
@@ -6426,12 +6426,12 @@ if test -n "$ODE_CFLAGS"; then
     pkg_cv_ODE_CFLAGS="$ODE_CFLAGS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ode\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "ode") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ode-double\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "ode-double") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_ODE_CFLAGS=`$PKG_CONFIG --cflags "ode" 2>/dev/null`
+  pkg_cv_ODE_CFLAGS=`$PKG_CONFIG --cflags "ode-double" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -6442,12 +6442,12 @@ if test -n "$ODE_LIBS"; then
     pkg_cv_ODE_LIBS="$ODE_LIBS"
  elif test -n "$PKG_CONFIG"; then
     if test -n "$PKG_CONFIG" && \
-    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ode\""; } >&5
-  ($PKG_CONFIG --exists --print-errors "ode") 2>&5
+    { { $as_echo "$as_me:${as_lineno-$LINENO}: \$PKG_CONFIG --exists --print-errors \"ode-double\""; } >&5
+  ($PKG_CONFIG --exists --print-errors "ode-double") 2>&5
   ac_status=$?
   $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
   test $ac_status = 0; }; then
-  pkg_cv_ODE_LIBS=`$PKG_CONFIG --libs "ode" 2>/dev/null`
+  pkg_cv_ODE_LIBS=`$PKG_CONFIG --libs "ode-double" 2>/dev/null`
 else
   pkg_failed=yes
 fi
@@ -6467,9 +6467,9 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        ODE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "ode" 2>&1`
+	        ODE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors "ode-double" 2>&1`
         else
-	        ODE_PKG_ERRORS=`$PKG_CONFIG --print-errors "ode" 2>&1`
+	        ODE_PKG_ERRORS=`$PKG_CONFIG --print-errors "ode-double" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$ODE_PKG_ERRORS" >&5