-2015-03-18 H.J. Lu <hongjiu.lu@intel.com>
+2015-04-01 H.J. Lu <hongjiu.lu@intel.com>
+
+ * zlib.m4 (AM_ZLIB): Unset zlibdir and zlibinc only for
+ --with-system-zlib.
+
+2015-03-31 H.J. Lu <hongjiu.lu@intel.com>
+
+ * zlib.m4 (AM_ZLIB): Replace --with-zlib with --with-system-zlib.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * isl.m4: Sync with GCC tree.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2015-02-18 Thomas Schwinge <thomas@codesourcery.com>
+
+ * elf.m4 (ACX_ELF_TARGET_IFELSE): nvptx-*-none isn't ELF.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2014-11-17 Bob Dunlop <bob.dunlop@xyzzy.org.uk>
+
+ * mt-ospace (CFLAGS_FOR_TARGET): Append -g -Os rather than
+ overwriting.
+ (CXXFLAGS_FOR_TARGET): Similarly.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2014-04-25 Marc Glisse <marc.glisse@inria.fr>
+
+ PR target/43538
+ * mt-gnu: Don't reset CXXFLAGS_FOR_TARGET.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-asan.mk: Sync with GCC tree.
+ * bootstrap-lto.mk: Likewise.
+
+2015-03-16 H.J. Lu <hongjiu.lu@intel.com>
* cloog.m4: Removed.