diff -Nbaur gcc-4.1.1/gcc/gcc.c gcc-4.1.1-arm/gcc/gcc.c
--- gcc/gcc.c	Wed May 17 19:38:58 2006
+++ gcc/gcc.c	Mon Jun  5 06:58:56 2006
@@ -3250,8 +3250,6 @@
       gcc_libexec_prefix = make_relative_prefix (argv[0],
 						 standard_bindir_prefix,
 						 standard_libexec_prefix);
-      if (gcc_exec_prefix)
-	putenv (concat ("GCC_EXEC_PREFIX=", gcc_exec_prefix, NULL));
     }
   else
     gcc_libexec_prefix = make_relative_prefix (gcc_exec_prefix,
@@ -6148,10 +6146,21 @@

   /* We need to check standard_exec_prefix/just_machine_suffix/specs
      for any override of as, ld and libraries.  */
+  if ( gcc_exec_prefix )
+  {
+    specs_file = alloca (strlen (gcc_exec_prefix)
+		         + strlen (just_machine_suffix) + sizeof ("specs"));
+
+    strcpy (specs_file, gcc_exec_prefix);
+  } else {
+
   specs_file = alloca (strlen (standard_exec_prefix)
 		       + strlen (just_machine_suffix) + sizeof ("specs"));

   strcpy (specs_file, standard_exec_prefix);
+
+  }
+
   strcat (specs_file, just_machine_suffix);
   strcat (specs_file, "specs");
   if (access (specs_file, R_OK) == 0)
diff -Nbaur gcc-4.1.1/gcc/prefix.c gcc-4.1.1-arm/gcc/prefix.c
--- gcc/prefix.c	Sat Jun 25 03:02:01 2005
+++ gcc/prefix.c	Mon Jun  5 06:58:56 2006
@@ -246,13 +246,16 @@
    The returned string is always malloc-ed, and the caller is
    responsible for freeing it.  */

+
+static const char *old_prefix = PREFIX;
+
 char *
 update_path (const char *path, const char *key)
 {
   char *result, *p;
-  const int len = strlen (std_prefix);
+  const int len = strlen (old_prefix);

-  if (! strncmp (path, std_prefix, len)
+  if (! strncmp (path, old_prefix, len)
       && (IS_DIR_SEPARATOR(path[len])
           || path[len] == '\0')
       && key != 0)
@@ -354,4 +357,6 @@
 set_std_prefix (const char *prefix, int len)
 {
   std_prefix = save_string (prefix, len);
+
+	putenv (concat ("GCC_EXEC_PREFIX=", std_prefix, NULL));
 }
diff -Nbaur gcc-4.1.1/gcc/toplev.c gcc-4.1.1-arm/gcc/toplev.c
--- gcc/toplev.c	Sat Feb  4 22:13:20 2006
+++ gcc/toplev.c	Mon Jun  5 06:58:56 2006
@@ -82,6 +82,7 @@
 #include "value-prof.h"
 #include "alloc-pool.h"
 #include "tree-mudflap.h"
+#include "prefix.h"

 #if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
 #include "dwarf2out.h"
@@ -1434,6 +1435,10 @@
   progname = p;

   xmalloc_set_program_name (progname);
+
+  p = getenv("GCC_EXEC_PREFIX");
+  if (p && strlen(p)) set_std_prefix (p, strlen(p));
+

   hex_init ();