diff -up alienarena-7.71.0-svn5638/configure.ac.ode-double alienarena-7.71.0-svn5638/configure.ac
--- alienarena-7.71.0-svn5638/configure.ac.ode-double	2018-08-27 15:39:23.000000000 -0400
+++ alienarena-7.71.0-svn5638/configure.ac	2018-08-27 16:30:53.279170793 -0400
@@ -346,7 +346,7 @@ PKG_CHECK_MODULES([FREETYPE2],[freetype2
 ])
 
 dnl ---- ODE (client)
-PKG_CHECK_MODULES( [ODE],[ode],,[
+PKG_CHECK_MODULES( [ODE],[ode-double],,[
 	AC_MSG_ERROR(["Required ODE (Open Dynamics Engine) library not found"])
 ])
 
@@ -430,7 +430,7 @@ AC_CHECK_HEADERS([ode/ode.h],,
 	[AC_MSG_ERROR("Required ODE header file, ode.h, not found.")]
 	[],
 	[
-#define dDOUBLE
+#define dIDEDOUBLE
 	])
 
 ])
diff -up alienarena-7.71.0-svn5638/configure.ode-double alienarena-7.71.0-svn5638/configure
--- alienarena-7.71.0-svn5638/configure.ode-double	2018-08-27 15:39:23.000000000 -0400
+++ alienarena-7.71.0-svn5638/configure	2018-08-27 16:19:23.663242341 -0400
@@ -6754,12 +6754,12 @@ 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=`$PKG_CONFIG --cflags "ode-double" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -6771,12 +6771,12 @@ 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=`$PKG_CONFIG --libs "ode-double" 2>/dev/null`
 		      test "x$?" != "x0" && pkg_failed=yes
 else
   pkg_failed=yes
@@ -6797,9 +6797,9 @@ else
         _pkg_short_errors_supported=no
 fi
         if test $_pkg_short_errors_supported = yes; then
-	        ODE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "ode" 2>&1`
+	        ODE_PKG_ERRORS=`$PKG_CONFIG --short-errors --print-errors --cflags --libs "ode-double" 2>&1`
         else
-	        ODE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "ode" 2>&1`
+	        ODE_PKG_ERRORS=`$PKG_CONFIG --print-errors --cflags --libs "ode-double" 2>&1`
         fi
 	# Put the nasty error message in config.log where it belongs
 	echo "$ODE_PKG_ERRORS" >&5
@@ -7453,7 +7453,7 @@ done
 for ac_header in ode/ode.h
 do :
   ac_fn_c_check_header_compile "$LINENO" "ode/ode.h" "ac_cv_header_ode_ode_h" "
-#define dDOUBLE
+#define dIDEDOUBLE
 
 "
 if test "x$ac_cv_header_ode_ode_h" = xyes; then :