[Bug bootstrap/33309] gcc.c:6236: error: passing argument 1 of 'xputenv' discards qualifiers from pointer target type

["fxcoudert at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #3 from fxcoudert at gcc dot gnu dot org  2007-09-05 09:53 -------
(In reply to comment #2)
> Another option would be to constify xputenv and use CONST_CAST on the argument
> passed to putenv.

Like this?

Index: gcc.c
===================================================================
--- gcc.c       (revision 128046)
+++ gcc.c       (working copy)
@@ -297,7 +297,7 @@ static void set_spec (const char *, cons
 static struct compiler *lookup_compiler (const char *, size_t, const char *);
 static char *build_search_list (const struct path_prefix *, const char *,
                                bool, bool);
-static void xputenv (char *);
+static void xputenv (const char *);
 static void putenv_from_prefixes (const struct path_prefix *, const char *,
                                  bool);
 static int access_check (const char *, int);
@@ -2602,11 +2602,11 @@ add_to_obstack (char *path, void *data)
 /* Add or change the value of an environment variable, outputting the
    change to standard error if in verbose mode.  */
 static void
-xputenv (char *string)
+xputenv (const char *string)
 {
   if (verbose_flag)
     notice ("%s\n", string);
-  putenv (string);
+  putenv (CONST_CAST (string));
 }

 /* Build a list of search directories from PATHS.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33309