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View File gcc-add-defaultsspec.diff of Package gcc48 (Project devel:gcc)

Index: gcc/gcc.c
===================================================================
--- gcc/gcc.c.orig	2012-11-28 10:36:38.000000000 +0100
+++ gcc/gcc.c	2012-12-11 12:30:30.053124280 +0100
@@ -260,6 +260,7 @@ static const char *replace_outfile_spec_
 static const char *remove_outfile_spec_function (int, const char **);
 static const char *version_compare_spec_function (int, const char **);
 static const char *include_spec_function (int, const char **);
+static const char *include_noerr_spec_function (int, const char **);
 static const char *find_file_spec_function (int, const char **);
 static const char *find_plugindir_spec_function (int, const char **);
 static const char *print_asm_header_spec_function (int, const char **);
@@ -1293,6 +1294,7 @@ static const struct spec_function static
   { "remove-outfile",		remove_outfile_spec_function },
   { "version-compare",		version_compare_spec_function },
   { "include",			include_spec_function },
+  { "include_noerr",            include_noerr_spec_function },
   { "find-file",		find_file_spec_function },
   { "find-plugindir",		find_plugindir_spec_function },
   { "print-asm-header",		print_asm_header_spec_function },
@@ -6382,6 +6384,8 @@ main (int argc, char **argv)
   if (access (specs_file, R_OK) == 0)
     read_specs (specs_file, true, false);
 
+  do_self_spec ("%:include_noerr(defaults.spec)%(default_spec)");
+
   /* Process any configure-time defaults specified for the command line
      options, via OPTION_DEFAULT_SPECS.  */
   for (i = 0; i < ARRAY_SIZE (option_default_specs); i++)
@@ -8271,6 +8275,21 @@ get_random_number (void)
   return ret ^ getpid();
 }
 
+static const char *
+include_noerr_spec_function (int argc, const char **argv)
+{
+  char *file;
+
+  if (argc != 1)
+    abort ();
+
+  file = find_a_file (&startfile_prefixes, argv[0], R_OK, 0);
+  if (file)
+    read_specs (file, FALSE, TRUE);
+
+  return NULL;
+}
+
 /* %:compare-debug-dump-opt spec function.  Save the last argument,
    expected to be the last -fdump-final-insns option, or generate a
    temporary.  */