+2021-09-19 Andrew Pinski <apinski@marvell.com>
+
+ PR bootstrap/102389
+ * bootstrap-lto-lean.mk: Handle NM like RANLIB AND AR.
+ * bootstrap-lto.mk: Likewise.
+
+2021-08-18 Iain Sandoe <iain@sandoe.co.uk>
+
+ * mh-darwin: Require a non-shared host configuration to
+ enable mdynamic-no-pic where that is supported.
+
+2021-07-09 Iain Sandoe <iain@sandoe.co.uk>
+
+ * mh-darwin: Make this specific to handling the
+ mdynamic-no-pic case.
+
+2021-06-14 Michael Forney <mforney@mforney.org>
+
+ * gettext.m4 (AM_GNU_GETTEXT): Skip checks for the internal
+ symbols _nl_msg_cat_cntr, _nl_domain_bindings, and
+ _nl_expand_alias, if __GNU_GETTEXT_SUPPORTED_REVISION is defined.
+ Backport of gettext serial 68 patch.
+
+2021-05-18 Mike Frysinger <vapier@gentoo.org>
+
+ * acinclude.m4 (CYG_AC_PATH_SIM, CYG_AC_PATH_DEVO): Delete.
+
+2021-05-03 H.J. Lu <hjl.tools@gmail.com>
+
+ PR bootstrap/99703
+ * cet.m4 (GCC_CET_HOST_FLAGS): Check if host supports multi-byte
+ NOPs.
+
+2021-04-13 Martin Storsjö <martin@martin.st>
+
+ * mh-mingw: Set __USE_MINGW_ACCESS in missed C++ flags
+ variables
+
+2021-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR c++/98316
+ * ax_lib_socket_nsl.m4: Import from autoconf-archive.
+
+2021-01-03 Mike Frysinger <vapier@gentoo.org>
+
+ * pkg.m4: New file from pkg-config-0.29.2.
+
+2020-11-25 Matthew Malcomson <matthew.malcomson@arm.com>
+
+ * bootstrap-hwasan.mk: Disable random frame tags for stack-tagging
+ during bootstrap.
+
+2020-11-25 Matthew Malcomson <matthew.malcomson@arm.com>
+
+ * bootstrap-hwasan.mk: New file.
+
+2020-09-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ Sync from binutils-gdb.
+ 2020-07-30 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * largefile.m4 (ACX_LARGEFILE) <sparc-*-solaris*|i?86-*-solaris*>:
+ Check for <sys/procfs.h> incompatilibity with large-file support
+ on Solaris.
+ Only disable large-file support and perhaps plugins if needed.
+ Set, substitute LARGEFILE_CPPFLAGS if so.
+
+2020-08-20 Tobias Burnus <tobias@codesourcery.com>
+
+ PR bootstrap/96612
+ * ax_cxx_compile_stdcxx.m4: Add fourth argument to check also
+ the CXX_FOR_BUILD compiler.
+
+2020-07-30 H.J. Lu <hjl.tools@gmail.com>
+
+ PR bootstrap/96202
+ * cet.m4 (GCC_CET_HOST_FLAGS): Don't enable CET without CET
+ support in stage1 nor for build support.
+
+2020-05-29 H.J. Lu <hjl.tools@gmail.com>
+
+ PR bootstrap/95413
+ * cet.m4: Replace save_CFLAGS and save_LDFLAGS with
+ cet_save_CFLAGS and cet_save_LDFLAGS.
+
+2020-05-18 Jason Merrill <jason@redhat.com>
+
+ * ax_cxx_compile_stdcxx.m4: Import from autoconf archive with
+ an adjustment to try the default mode.
+
+2020-05-15 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/95147
+ * cet.m4 (GCC_CET_FLAGS): Also check if -fcf-protection works
+ when defaulting to auto.
+
+2020-05-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * cet.m4 (GCC_CET_FLAGS): Change default to auto.
+
+2020-05-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/94998
+ * cet.m4 (GCC_CET_HOST_FLAGS): Enable CET in cross compiler if
+ possible.
+
+2020-04-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/94739
+ * cet.m4 (GCC_CET_HOST_FLAGS): Add -fcf-protection=none to
+ -Wl,-z,ibt,-z,shstk. Check whether -fcf-protection=none
+ -Wl,-z,ibt,-z,shstk works first.
+
+2020-04-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/94739
+ * cet.m4 (GCC_CET_HOST_FLAGS): New.
+
2020-04-22 Jakub Jelinek <jakub@redhat.com>
PR libfortran/94694