Revert revision 217149 because it breaks Ada:

gcc/testsuite/ChangeLog:

2014-11-05  Anthony Brandon  <anthony.brandon@gmail.com>

        PR driver/36312
        * gcc.misc-tests/output.exp: New test case for identical input and
        output files.

include/ChangeLog:

2014-11-05  Anthony Brandon  <anthony.brandon@gmail.com>

        PR driver/36312
        * filenames.h: Add prototype for canonical_filename_eq.

gcc/ChangeLog:

2014-11-05  Anthony Brandon  <anthony.brandon@gmail.com>

        PR driver/36312
        * diagnostic-core.h: Add prototype for fatal_error.
        * diagnostic.c (fatal_error): New function fatal_error.
        * gcc.c (store_arg): Remove have_o_argbuf_index.
        (process_command): Check if input and output files are the same.
        * toplev.c (init_asm_output): Check if input and output files are
        the same.

libiberty/ChangeLog:

2014-11-05  Anthony Brandon  <anthony.brandon@gmail.com>

        PR driver/36312
        * filename_cmp.c (canonical_filename_eq): New function to check if
        file names are the same.
        * functions.texi: Updated with documentation for new function.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@217159 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 0 insertions, 29 deletions

diff --git a/libiberty/filename_cmp.c b/libiberty/filename_cmp.c
index 150488cbab1..9e16d242086 100644
--- a/libiberty/filename_cmp.c
+++ b/libiberty/filename_cmp.c
@@ -24,13 +24,8 @@
 #include <string.h>
 #endif
 
-#ifdef HAVE_STDLIB_H
-#include <stdlib.h>
-#endif
-
 #include "filenames.h"
 #include "safe-ctype.h"
-#include "libiberty.h"
 
 /*
 
@@ -195,27 +190,3 @@ filename_eq (const void *s1, const void *s2)
   /* The casts are for -Wc++-compat.  */
   return filename_cmp ((const char *) s1, (const char *) s2) == 0;
 }
-
-/*
-
-@deftypefn Extension int canonical_filename_eq (const char *@var{a}, const char *@var{b})
-
-Return non-zero if file names @var{a} and @var{b} are equivalent.
-This function compares the canonical versions of the filenames as returned by
-@code{lrealpath()}, so that so that different file names pointing to the same
-underlying file are treated as being identical.
-
-@end deftypefn
-
-*/
-
-int
-canonical_filename_eq (const char * a, const char * b)
-{
-  char * ca = lrealpath(a);
-  char * cb = lrealpath(b);
-  int res = filename_eq (ca, cb);
-  free (ca);
-  free (cb);
-  return res;
-}