Index: cpplex.c
===================================================================
RCS file: /home/ncvs/src/contrib/gcc/cpplex.c,v
retrieving revision 1.1.1.5
diff -u -r1.1.1.5 cpplex.c
--- cpplex.c	28 Jul 2004 03:11:33 -0000	1.1.1.5
+++ cpplex.c	28 Oct 2004 07:26:47 -0000
@@ -471,6 +471,11 @@
   do
     {
       cur = pfile->buffer->cur;
+      if (cur[-1] == ':' && *cur == '=') {
+	cur++;
+	pfile->buffer->cur = cur;
+	break;
+      }
 
       /* N.B. ISIDNUM does not include $.  */
       while (ISIDNUM (*cur))
@@ -1096,6 +1101,11 @@
 	  result->flags |= DIGRAPH;
 	  result->type = CPP_CLOSE_SQUARE;
 	}
+      else if (*buffer->cur == '=')
+	{
+	  result->type = CPP_NAME;
+	  result->val.node = lex_identifier (pfile, buffer->cur - 1);
+	}
       break;
 
     case '*': IF_NEXT_IS ('=', CPP_MULT_EQ, CPP_MULT); break;