Patch: move lang_specific_driver after setup of cc_libexec_prefix

[Andrew Haley <aph@redhat.com>]

gcj is not relocatable because the libexec prefix is set *after*
lang_specific_driver is called.  Unfortunately, lang_specific_driver
needs to know the libexec prefix to pass it to ecj1.  I can't see any
reason why lang_specific_driver needs to be called before the libexec
prefix is set, and it doesn't seem to break anything.

Fixed thusly, bootstrapped x86_64 GNU/Linux.

OK?

Andrew.


2010-01-06  Andrew Haley  <aph@redhat.com>

	* gcc.c (process_command): Move lang_specific_driver before
	setting cc_libexec_prefix.

Index: gcc/gcc.c
===================================================================
--- gcc/gcc.c   (revision 155475)
+++ gcc/gcc.c   (working copy)
@@ -3599,12 +3599,6 @@
                     CONST_CAST2 (const char *const **, const char ***,
                                  &argv));

-  /* Do language-specific adjustment/addition of flags.  */
-  lang_specific_driver (&argc,
-                       CONST_CAST2 (const char *const **, const char ***,
-                                    &argv),
-                       &added_libraries);
-
   /* Handle any -no-canonical-prefixes flag early, to assign the function
      that builds relative prefixes.  This function creates default search
      paths that are needed later in normal option handling.  */
@@ -3660,6 +3654,12 @@
      is relocated. The toolchain was either relocated using GCC_EXEC_PREFIX
      or an automatically created GCC_EXEC_PREFIX from argv[0].  */

+  /* Do language-specific adjustment/addition of flags.  */
+  lang_specific_driver (&argc,
+                       CONST_CAST2 (const char *const **, const char ***,
+                                    &argv),
+                       &added_libraries);
+
   if (gcc_exec_prefix)
     {
       int len = strlen (gcc_exec_prefix);