Index: libcpp/ChangeLog

2005-01-03  Geoffrey Keating  <geoffk@apple.com>

	* files.c (_cpp_find_file): Add files found by search_path_exhausted
	to the list of all files.

Index: gcc/testsuite/ChangeLog
2005-01-03  Geoffrey Keating  <geoffk@apple.com>
	    Robert Bowdidge <bowdidge@apple.com>

	* gcc.dg/cpp/subframework1.c: New.
	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/A.h: New.
	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/B.h: New.
	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/C.h: New.
	* gcc.dg/cpp/frame/one.framework/Headers/one-includeSubs.h: New.

Co-Authored-By: Robert Bowdidge <bowdidge@apple.com>

From-SVN: r92883

gcc/testsuite/ChangeLog

 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
+	    Robert Bowdidge <bowdidge@apple.com>
+
+	* gcc.dg/cpp/subframework1.c: New.
+	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/A.h: New.
+	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/B.h: New.
+	* gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/C.h: New.
+	* gcc.dg/cpp/frame/one.framework/Headers/one-includeSubs.h: New.
+
+2005-01-03  Geoffrey Keating  <geoffk@apple.com>
 
 	* gcc.dg/darwin-weakimport-1.c: Remove check for variables
 	producing warning.

gcc/testsuite/gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/A.h

+#import <OneSub/C.h>

gcc/testsuite/gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/B.h

+#import <OneSub/C.h>

gcc/testsuite/gcc.dg/cpp/frame/one.framework/Frameworks/OneSub.framework/Headers/C.h

+#ifdef ONESUB_C_INCLUDED
+#error should only be imported once
+#endif
+#define ONESUB_C_INCLUDED 1

gcc/testsuite/gcc.dg/cpp/frame/one.framework/Headers/one-includeSubs.h

+#import <OneSub/A.h>
+#import <OneSub/B.h>

gcc/testsuite/gcc.dg/cpp/subframework1.c

+/* Copyright (C) 2004 Free Software Foundation, Inc.  */
+
+/* { dg-do preprocess } */
+/* { dg-options "-F$srcdir/gcc.dg/cpp/frame" } */
+
+/* Contributed by Robert Bowdidge <bowdidge@apple.com>  */
+/* include a file from a subframework that will import two files that
+   both look at the same file.  Make sure we only include that file once;
+   if so, the program will compile fine.  If not, we'll get redefinition
+   errors */
+
+#include <one/one-includeSubs.h>
+#ifndef ONESUB_C_INCLUDED
+#error C.h not included
+#endif

libcpp/ChangeLog

+2005-01-03  Geoffrey Keating  <geoffk@apple.com>
+
+	* files.c (_cpp_find_file): Add files found by search_path_exhausted
+	to the list of all files.
+
 2005-01-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
 
 	* internal.h: Update references to Cpp lib filenames.

libcpp/files.c

@@ -438,7 +438,15 @@ _cpp_find_file (cpp_reader *pfile, const char *fname, cpp_dir *start_dir, bool f
       if (file->dir == NULL)
 	{
 	  if (search_path_exhausted (pfile, fname, file))
-	    return file;
+	    {
+	      /* Although this file must not go in the cache, because
+		 the file found might depend on things (like the current file)
+		 that aren't represented in the cache, it still has to go in
+		 the list of all files so that #import works.  */
+	      file->next_file = pfile->all_files;
+	      pfile->all_files = file;
+	      return file;
+	    }
 
 	  open_file_failed (pfile, file);
 	  if (invalid_pch)