re PR preprocessor/35458 (Dependency generation (-M) does not quote '#' in filenames)

libcpp
2008-03-06  Markus Milleder  <markus.milleder@generali.at>
	PR preprocessor/35458
	* mkdeps.c (munge): Quote '#' with a '\'.
gcc/testsuite
2008-03-06  Markus Milleder  <markus.milleder@generali.at>
	PR preprocessor/35458
	* gcc.dg/cpp/cmdlne-M-2.c: New file.
	* gcc.dg/cpp/cmdlne-M-2#.h: New file.
	* gcc.dg/cpp/#cmdlne-M-2.h: New file.

From-SVN: r132982

gcc/testsuite/ChangeLog

+2008-03-06  Markus Milleder  <markus.milleder@generali.at>
+
+	PR preprocessor/35458
+	* gcc.dg/cpp/cmdlne-M-2.c: New file.
+	* gcc.dg/cpp/cmdlne-M-2#.h: New file.
+	* gcc.dg/cpp/#cmdlne-M-2.h: New file.
+
 2008-03-06  Tom Tromey  <tromey@redhat.com>
 
 	* lib/treelang-dg.exp, lib/treelang.exp: Delete.

gcc/testsuite/gcc.dg/cpp/#cmdlne-M-2.h

+/* empty */

gcc/testsuite/gcc.dg/cpp/cmdlne-M-2#.h

+/* empty */

gcc/testsuite/gcc.dg/cpp/cmdlne-M-2.c

+/* Copyright (C) 2008 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-M" } */
+
+/* Test that dependency output suppresses warnings by implying -w.  */
+
+#include "#cmdlne-M-2.h"
+#include "cmdlne-M-2#.h"
+
+/* { dg-final { scan-file cmdlne-M-2.i "(^|\\n)cmdlne-M-2.o:" } }
+   { dg-final { scan-file cmdlne-M-2.i "cmdlne-M-2.c" } }
+   { dg-final { scan-file cmdlne-M-2.i "\\\\#cmdlne-M-2.h" } }
+   { dg-final { scan-file cmdlne-M-2.i "cmdlne-M-2\\\\#.h" } } */

libcpp/ChangeLog

+2008-03-06  Markus Milleder  <markus.milleder@generali.at>
+
+	PR preprocessor/35458
+	* mkdeps.c (munge): Quote '#' with a '\'.
+
 2008-02-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	PR preprocessor/35379

libcpp/mkdeps.c

@@ -79,6 +79,11 @@ munge (const char *filename)
 	  /* '$' is quoted by doubling it.  */
 	  len++;
 	  break;
+
+	case '#':
+	  /* '#' is quoted with a backslash.  */
+	  len++;
+	  break;
 	}
     }
 
@@ -100,6 +105,10 @@ munge (const char *filename)
 	  *dst++ = '$';
 	  break;
 
+	case '#':
+	  *dst++ = '\\';
+	  break;
+
 	default:
 	  /* nothing */;
 	}