Sync config/ from GCC:

--- config/ChangeLog
+++ config/ChangeLog
@@ -19,6 +19,10 @@
 	* tls.m4 (GCC_CHECK_TLS): Also test TLS in a shared library when
 	cross-compiling.

+2009-06-25  Olivier Hainque  <hainque@adacore.com>
+
+	* config/mh-ppc-aix (BOOT_ADAFLAGS): Remove -mminimal-toc.
+
 2009-05-26  Rafael Avila de Espindola  <espindola@google.com>

 	* plugins.m4: New.
@@ -39,6 +43,27 @@
 	"# no Tcl configs found".
 	(SC_LOAD_TKCONFIG): Similarily for TK_BIN_DIR.

+2009-04-09  Jakub Jelinek  <jakub@redhat.com>
+
+	* lead-dot.m4: Change copyright header to refer to version
+	3 of the GNU General Public License and to point readers at the
+	COPYING3 file and the FSF's license web page.
+	* warnings.m4: Likewise.
+
+2009-02-11  Kai Tietz  <kai.tietz@onevision.com>
+
+	* mh-cygwin (LDFLAGS): Add linker option to increase stack limit
+	up to 8MB.
+
+2009-01-23  Jie Zhang  <jie.zhang@analog.com>
+
+	* tls.m4 (GCC_CHECK_EMUTLS): Define.
+
+2008-12-21  Andrew Pinski  <pinskia@gmail.com>
+
+	PR target/38300
+	* unwind_ipinfo.m4: Darwin before 9 does not have _Unwind_GetIPInfo.
+
 2008-11-21  Kai Tietz  <kai.tietz@onevision.com>

 	Fix PR/25502

config/mh-ppc-aix

@@ -1,9 +1,8 @@
-
-# Compile Ada files with minimal-toc in addition to the default flags (at
-# least -gnatg is required to compile language defined units).  The primary
-# focus is gnatlib, so that the library does not use nearly the entire TOC of
-# applications until gnatlib is built as a shared library on AIX.  Compiling
-# the compiler with -mminimal-toc does not cause any harm.
-BOOT_ADAFLAGS = -gnatapg -mminimal-toc
+# To prevent the Ada static runtime library from using nearly the entire
+# TOC, we used to compile Ada files with minimal-toc in addition to -gnatg
+# (mandatory to compile language defined units).  This incured a performance
+# penalty and is not required with section anchors enabled by default so we
+# don't do it any more.
+BOOT_ADAFLAGS = -gnatapg
 BOOT_LDFLAGS = -Wl,-bbigtoc
 LDFLAGS = `case $(CC) in *gcc*) echo -Wl,-bbigtoc ;; esac;`