xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't update md_exec_prefix.

* config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
update md_exec_prefix.
(UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
to string constant.

From-SVN: r45892

gcc/ChangeLog

+2001-09-29  Andris Pavenis  <pavenis@lanet.lv>
+
+	* config/i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): Don't
+	update md_exec_prefix.
+	(UPDATE_PATH_HOST_CANONICALIZE): Don't free PATH as it can point
+	to string constant.
+
 2001-09-30  Ulrich Weigand  <uweigand@de.ibm.com>
 
 	* config/s390/s390.h (EXTRA_CC_MODES): Add CCLmode.

gcc/config/i386/xm-djgpp.h

@@ -79,13 +79,13 @@ Boston, MA 02111-1307, USA.  */
     standard_exec_prefix = update_path (standard_exec_prefix, NULL); \
     standard_bindir_prefix = update_path (standard_bindir_prefix, NULL); \
     standard_startfile_prefix = update_path (standard_startfile_prefix, NULL); \
-    md_exec_prefix = update_path (md_exec_prefix, NULL); \
   } while (0)
 
 /* Canonicalize paths containing '/dev/env/'; used in prefix.c.
    _fixpath is a djgpp-specific function to canonicalize a path.
    "/dev/env/DJDIR" evaluates to "c:/djgpp" if DJDIR is "c:/djgpp" for
    example.  It removes any trailing '/', so add it back.  */
+/* We cannot free PATH below as it can point to string constant  */
 #define UPDATE_PATH_HOST_CANONICALIZE(PATH) \
   if (memcmp ((PATH), "/dev/env/", sizeof("/dev/env/") - 1) == 0) \
     {						\
@@ -93,6 +93,5 @@ Boston, MA 02111-1307, USA.  */
 						\
       _fixpath ((PATH), fixed_path);		\
       strcat (fixed_path, "/");			\
-      free (PATH);				\
       (PATH) = xstrdup (fixed_path);		\
     }