cpplex.c (_cpp_lex_token): Ensure we warn at most once about files not ending in newlines.

	* cpplex.c (_cpp_lex_token): Ensure we warn at most once
	about files not ending in newlines.

From-SVN: r41995

gcc/ChangeLog

+2001-05-12  Neil Booth  <neil@daikokuya.demon.co.uk>
+
+	* cpplex.c (_cpp_lex_token): Ensure we warn at most once
+	about files not ending in newlines.
+
 2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
 
 	* config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.

gcc/cpplex.c

@@ -890,9 +890,11 @@ _cpp_lex_token (pfile, result)
   switch (c)
     {
     case EOF:
-      /* Non-empty files should end in a newline.  Ignore for command
-	 line and _Pragma buffers.  */
-      if (pfile->lexer_pos.col != 0 && !buffer->from_stage3)
+      /* Non-empty files should end in a newline.  Checking "bol" too
+	  prevents multiple warnings when hitting the EOF more than
+	  once, like in a directive.  Don't warn for command line and
+	  _Pragma buffers.  */
+      if (pfile->lexer_pos.col != 0 && !bol && !buffer->from_stage3)
 	cpp_pedwarn (pfile, "no newline at end of file");
       pfile->state.next_bol = 1;
       pfile->skipping = 0;	/* In case missing #endif.  */