--- libjava/configure.ac.jj	2007-12-07 17:55:50.000000000 +0100
+++ libjava/configure.ac	2007-12-07 18:36:56.000000000 +0100
@@ -82,6 +82,13 @@ AC_ARG_ENABLE(java-maintainer-mode,
 	[allow rebuilding of .class and .h files]))
 AM_CONDITIONAL(JAVA_MAINTAINER_MODE, test "$enable_java_maintainer_mode" = yes)
 
+AC_ARG_ENABLE(libjava-multilib,
+	AS_HELP_STRING([--enable-libjava-multilib], [build libjava as multilib]))
+if test "$enable_libjava_multilib" = no; then
+  multilib=no
+  ac_configure_args="$ac_configure_args --disable-multilib"
+fi
+
 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
 GCC_NO_EXECUTABLES
 
--- libjava/configure.jj	2007-12-07 17:55:50.000000000 +0100
+++ libjava/configure	2007-12-07 18:39:58.000000000 +0100
@@ -1018,6 +1018,8 @@ Optional Features:
   --enable-gconf-peer     compile GConf native peers for util.preferences
   --enable-java-maintainer-mode
                           allow rebuilding of .class and .h files
+  --enable-libjava-multilib
+                          build libjava as multilib
   --disable-dependency-tracking  speeds up one-time build
   --enable-dependency-tracking   do not reject slow dependency extractors
   --enable-maintainer-mode  enable make rules and dependencies not useful
@@ -1848,6 +1850,16 @@ else
 fi
 
 
+# Check whether --enable-libjava-multilib was given.
+if test "${enable_libjava_multilib+set}" = set; then
+  enableval=$enable_libjava_multilib;
+fi
+
+if test "$enable_libjava_multilib" = no; then
+  multilib=no
+  ac_configure_args="$ac_configure_args --disable-multilib"
+fi
+
 # It may not be safe to run linking tests in AC_PROG_CC/AC_PROG_CXX.
 
 

	Jakub