re PR bootstrap/46819 (libffi is always built)

	PR bootstrap/46819
	* configure.ac: For --disable-libgcj clear libgcj_saved.
	* configure: Rebuild.

From-SVN: r167689

ChangeLog

+2010-12-10  Ian Lance Taylor  <iant@google.com>
+
+	PR bootstrap/46819
+	* configure.ac: For --disable-libgcj clear libgcj_saved.
+	* configure: Rebuild.
+
 2010-12-10  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/46540

configure

@@ -3055,6 +3055,9 @@ no)
   # Make sure we get it printed in the list of not supported target libs.
   # Don't disable libffi, though, other languages use it.
   noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
+  # Clear libgcj_saved so that even if java is enabled libffi won't be
+  # built.
+  libgcj_saved=
   ;;
 esac
 

configure.ac

@@ -506,6 +506,9 @@ no)
   # Make sure we get it printed in the list of not supported target libs.
   # Don't disable libffi, though, other languages use it.
   noconfigdirs="$noconfigdirs `echo ${libgcj} | sed -e 's/target-libffi//'`"
+  # Clear libgcj_saved so that even if java is enabled libffi won't be
+  # built.
+  libgcj_saved=
   ;;
 esac