MFC r258428, r258445

gcc: another round of merges from the gcc pre-43 branch.

Bring The following revisions from the gcc43 branch[1]:

118360, 118361, 118363, 118576, 119820,
123906, 125246, and 125721.

They all have in common that the were merged long ago
into Apple's gcc and should help improve the general
quality of the compiler and make it easier to bring
new features from Apple's gcc42.

For details please review the additions to the files:
gcc/ChangeLog.gcc43
gcc/cp/ChangeLog.gcc43 (new, adds previous revisions)

Fix crosscompilation (r258445 by andreast)
Reference:
[1] http://gcc.gnu.org/viewcvs/gcc/trunk/?pathrev=126700

Obtained from:	gcc pre4.3 (GPLv2) branch
MFC after:	3 weeks

1 files changed, 5 insertions, 5 deletions

diff --git a/contrib/gcc/collect2.c b/contrib/gcc/collect2.c
index 02edde8..c6c1f3f 100644
--- a/contrib/gcc/collect2.c
+++ b/contrib/gcc/collect2.c
@@ -53,7 +53,7 @@ Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
    the utilities are not correct for a cross-compiler; we have to hope that
    cross-versions are in the proper directories.  */
 
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
 #undef OBJECT_FORMAT_COFF
 #undef MD_EXEC_PREFIX
 #undef REAL_LD_FILE_NAME
@@ -553,7 +553,7 @@ is_ctor_dtor (const char *s)
 
 static struct path_prefix cpath, path;
 
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
 /* This is the name of the target machine.  We use it to form the name
    of the files to execute.  */
 
@@ -746,7 +746,7 @@ main (int argc, char **argv)
   static const char *const strip_suffix = "strip";
   static const char *const gstrip_suffix = "gstrip";
 
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
   /* If we look for a program in the compiler directories, we just use
      the short name, since these directories are already system-specific.
      But it we look for a program in the system directories, we need to
@@ -775,7 +775,7 @@ main (int argc, char **argv)
 #endif
   const char *const full_strip_suffix	= strip_suffix;
   const char *const full_gstrip_suffix	= gstrip_suffix;
-#endif /* CROSS_COMPILE */
+#endif /* CROSS_DIRECTORY_STRUCTURE */
 
   const char *arg;
   FILE *outf;
@@ -957,7 +957,7 @@ main (int argc, char **argv)
   c_file_name = getenv ("COLLECT_GCC");
   if (c_file_name == 0)
     {
-#ifdef CROSS_COMPILE
+#ifdef CROSS_DIRECTORY_STRUCTURE
       c_file_name = concat (target_machine, "-gcc", NULL);
 #else
       c_file_name = "gcc";