gcc.c (self_spec): New variable.

	* gcc.c (self_spec): New variable.
	(static_specs): Add self_spec.
	(main): Call do_self_spec on "self_spec" specs after reading
	user specs files.  Move compare_debug handling right after that.

From-SVN: r177394

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 189b3b8afb833f235c0a768e3ddc5d06046e3640..4229c497112c5c2132801ff24d187064ecfbe5f7 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+2011-08-04  Jakub Jelinek  <jakub@redhat.com>
+
+       * gcc.c (self_spec): New variable.
+       (static_specs): Add self_spec.
+       (main): Call do_self_spec on "self_spec" specs after reading
+       user specs files.  Move compare_debug handling right after that.
+
 2011-08-04  Richard Guenther  <rguenther@suse.de>
 
        * tree-vrp.c (vrp_expr_computes_nonnegative): Remove.

diff --git a/gcc/gcc.c b/gcc/gcc.c
index fc0cb1b6d7547d4a8e30e85d5fcd022b6614f2b9..ddec8db706b77d0f27aa2627414424e7088870f1 100644 (file)
--- a/gcc/gcc.c
+++ b/gcc/gcc.c
@@ -728,6 +728,7 @@ static const char *startfile_prefix_spec = STARTFILE_PREFIX_SPEC;
 static const char *sysroot_spec = SYSROOT_SPEC;
 static const char *sysroot_suffix_spec = SYSROOT_SUFFIX_SPEC;
 static const char *sysroot_hdrs_suffix_spec = SYSROOT_HEADERS_SUFFIX_SPEC;
+static const char *self_spec = "";
 
 /* Standard options to cpp, cc1, and as, to reduce duplication in specs.
    There should be no need to override these in target dependent files,
@@ -1215,6 +1216,7 @@ static struct spec_list static_specs[] =
   INIT_STATIC_SPEC ("sysroot_spec",             &sysroot_spec),
   INIT_STATIC_SPEC ("sysroot_suffix_spec",     &sysroot_suffix_spec),
   INIT_STATIC_SPEC ("sysroot_hdrs_suffix_spec",        &sysroot_hdrs_suffix_spec),
+  INIT_STATIC_SPEC ("self_spec",               &self_spec),
 };
 
 #ifdef EXTRA_SPECS             /* additional specs needed */
@@ -6261,48 +6263,6 @@ main (int argc, char **argv)
   for (i = 0; i < ARRAY_SIZE (driver_self_specs); i++)
     do_self_spec (driver_self_specs[i]);
 
-  if (compare_debug)
-    {
-      enum save_temps save;
-
-      if (!compare_debug_second)
-       {
-         n_switches_debug_check[1] = n_switches;
-         n_switches_alloc_debug_check[1] = n_switches_alloc;
-         switches_debug_check[1] = XDUPVEC (struct switchstr, switches,
-                                            n_switches_alloc);
-
-         do_self_spec ("%:compare-debug-self-opt()");
-         n_switches_debug_check[0] = n_switches;
-         n_switches_alloc_debug_check[0] = n_switches_alloc;
-         switches_debug_check[0] = switches;
-
-         n_switches = n_switches_debug_check[1];
-         n_switches_alloc = n_switches_alloc_debug_check[1];
-         switches = switches_debug_check[1];
-       }
-
-      /* Avoid crash when computing %j in this early.  */
-      save = save_temps_flag;
-      save_temps_flag = SAVE_TEMPS_NONE;
-
-      compare_debug = -compare_debug;
-      do_self_spec ("%:compare-debug-self-opt()");
-
-      save_temps_flag = save;
-
-      if (!compare_debug_second)
-       {
-         n_switches_debug_check[1] = n_switches;
-         n_switches_alloc_debug_check[1] = n_switches_alloc;
-         switches_debug_check[1] = switches;
-         compare_debug = -compare_debug;
-         n_switches = n_switches_debug_check[0];
-         n_switches_alloc = n_switches_debug_check[0];
-         switches = switches_debug_check[0];
-       }
-    }
-
   /* If not cross-compiling, look for executables in the standard
      places.  */
   if (*cross_compile == '0')
@@ -6412,6 +6372,58 @@ main (int argc, char **argv)
       read_specs (filename ? filename : uptr->filename, FALSE);
     }
 
+  /* Process any user self specs.  */
+  {
+    struct spec_list *sl;
+    for (sl = specs; sl; sl = sl->next)
+      if (sl->name_len == sizeof "self_spec" - 1
+         && !strcmp (sl->name, "self_spec"))
+       do_self_spec (*sl->ptr_spec);
+  }
+
+  if (compare_debug)
+    {
+      enum save_temps save;
+
+      if (!compare_debug_second)
+       {
+         n_switches_debug_check[1] = n_switches;
+         n_switches_alloc_debug_check[1] = n_switches_alloc;
+         switches_debug_check[1] = XDUPVEC (struct switchstr, switches,
+                                            n_switches_alloc);
+
+         do_self_spec ("%:compare-debug-self-opt()");
+         n_switches_debug_check[0] = n_switches;
+         n_switches_alloc_debug_check[0] = n_switches_alloc;
+         switches_debug_check[0] = switches;
+
+         n_switches = n_switches_debug_check[1];
+         n_switches_alloc = n_switches_alloc_debug_check[1];
+         switches = switches_debug_check[1];
+       }
+
+      /* Avoid crash when computing %j in this early.  */
+      save = save_temps_flag;
+      save_temps_flag = SAVE_TEMPS_NONE;
+
+      compare_debug = -compare_debug;
+      do_self_spec ("%:compare-debug-self-opt()");
+
+      save_temps_flag = save;
+
+      if (!compare_debug_second)
+       {
+         n_switches_debug_check[1] = n_switches;
+         n_switches_alloc_debug_check[1] = n_switches_alloc;
+         switches_debug_check[1] = switches;
+         compare_debug = -compare_debug;
+         n_switches = n_switches_debug_check[0];
+         n_switches_alloc = n_switches_debug_check[0];
+         switches = switches_debug_check[0];
+       }
+    }
+
+
   /* If we have a GCC_EXEC_PREFIX envvar, modify it for cpp's sake.  */
   if (gcc_exec_prefix)
     gcc_exec_prefix = concat (gcc_exec_prefix, spec_machine, dir_separator_str,