+2018-06-19 Simon Marchi <simon.marchi@ericsson.com>
+
+ * override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69.
+
+2018-06-18 Simon Marchi <simon.marchi@ericsson.com>
+
+ Sync with GCC
+ 2018-06-08 Martin Liska <mliska@suse.cz>
+
+ * bootstrap-mpx.mk: Remove.
+
+ 2018-05-10 Martin Liska <mliska@suse.cz>
+
+ PR bootstrap/64914
+ * bootstrap-ubsan.mk: Define UBSAN_BOOTSTRAP.
+
+ 2018-05-09 Joshua Watt <jpewhacker@gmail.com>
+
+ * ax_pthread.m4: Add file.
+
+ 2018-05-08 Richard Biener <rguenther@suse.de>
+
+ PR bootstrap/85571
+ * bootstrap-lto-noplugin.mk: Disable compare.
+ * bootstrap-lto.mk: Supply contrib/compare-lto for do-compare.
+
+ 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR bootstrap/85490
+ * bootstrap-cet.mk (STAGE4_CFLAGS): New.
+
+ 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/85485
+ * bootstrap-cet.mk (STAGE2_CFLAGS): Remove -mcet.
+ (STAGE3_CFLAGS): Likewise.
+
+ 2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/85485
+ * cet.m4 (GCC_CET_FLAGS): Replace -mcet with -mshstk.
+
+ 2018-04-19 Jakub Jelinek <jakub@redhat.com>
+
+ * cet.m4 (GCC_CET_FLAGS): Default to --disable-cet, replace
+ --enable-cet=default with --enable-cet=auto.
+
+ 2018-04-18 David Malcolm <dmalcolm@redhat.com>
+
+ PR jit/85384
+ * acx.m4 (GCC_BASE_VER): Remove \$\$ from sed expression.
+
+2018-04-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2018-04-05 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/22318
+ * plugins.m4 (AC_PLUGINS): Use dlsym to check if libdl is needed.
+
+ 2018-02-14 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
+
+ PR target/84148
+ * cet.m4: Check if target support multi-byte NOPS (SSE).
+
+2018-02-06 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc-plugin.m4 (GCC_ENABLE_PLUGINS): Remove -q option passed to grep.
+
+2018-01-10 Nick Clifton <nickc@redhat.com>
+
+ * Sync with GCC sources:
+
+ 2017-11-14 Boris Kolpackov <boris@codesynthesis.com>
+
+ * gcc-plugin.m4: Add support for MinGW.
+
+ 2017-11-17 Igor Tsimbalist <igor.v.tsimbalist@intel.com>
+
+ * cet.m4: New file.
+
+ 2017-11-15 Alexandre Oliva <aoliva@redhat.com>
+
+ * bootstrap-debug-lean.mk (do-compare): Use the
+ contrib/compare-debug script.
+
+ 2017-10-24 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-cet.mk: New file.
+
+ 2017-06-19 Martin Liska <mliska@suse.cz>
+
+ * bootstrap-lto-noplugin.mk: Enable -flto in all PGO stages.
+ * bootstrap-lto.mk: Likewise.
+
+ 2017-06-03 Eric Botcazou <ebotcazou@adacore.com>
+
+ * mt-android: New file.
+
+ 2017-02-13 Richard Biener <rguenther@suse.de>
+
+ * isl.m4: Remove support for ISL 0.14.
+
+ 2017-01-19 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/78478
+ * ax_check_define.m4: New file.
+
+ 2017-01-17 Jakub Jelinek <jakub@redhat.com>
+
+ PR other/79046
+ * acx.m4 (GCC_BASE_VER): New m4 function.
+ (ACX_TOOL_DIRS): Require GCC_BASE_VER, for
+ --with-gcc-major-version-only use just major number from BASE-VER.
+
+ 2017-01-06 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR go/78978
+ * hwcaps.m4 (GCC_CHECK_ASSEMBLER_HWCAP): New macro.
+
+2017-01-05 Alan Modra <amodra@gmail.com>
+
+ * picflag.m4: Import from gcc.
+
+2016-12-08 Alan Modra <amodra@gmail.com>
+
+ * acx.m4: Import from gcc.
+ * bootstrap-asan.mk: Likewise.
+ * multi.m4: Likewise.
+
+2016-01-18 Alan Modra <amodra@gmail.com>
+
+ PR binutils/19481
+ * override.m4 (AC_PROG_LEX): Define.
+
+2015-10-21 Maxim Ostapenko <m.ostapenko@partner.samsung.com>
+
+ * bootstrap-asan.mk: Replace ASAN_OPTIONS=detect_leaks with
+ LSAN_OPTIONS=detect_leaks.
+
+2015-08-24 Yaakov Selkowitz <yselkowi@redhat.com>
+
+ * iconv.m4 (AM_ICONV_LINK): Use in-tree libiconv when present.
+
+2015-07-27 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2015-07-24 Micahel Darling <darlingm@gmail.com>
+
+ PR other/66259
+ * gettext.m4: Reflects renaming of configure.in to configure.ac
+ * po.m4: Likewise
+ * stdint.m4: Likewise
+ * tcl.m4: Likewise
+
+2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2015-05-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * sjlj.m4: New file.
+
+ 2015-05-04 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
+ * bitfields.m4: Change int to long long, and use bitfields of
+ width 1 instead of 0.
+
+ 2015-05-01 Trevor Saunders <tbsaunde+gcc@tbsaunde.org>
+
+ * bitfields.m4: New file.
+
+ 2015-04-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-mpx.mk: New file.
+
+ 2015-03-25 Uros Bizjak <ubizjak@gmail.com>
+
+ PR bootstrap/65537
+ * bootstrap-lto-noplugin.mk: New build configuration.
+
+ 2014-11-13 Kirill Yukhin <kirill.yukhin@intel.com>
+
+ * target-posix: New file.
+
+ 2014-10-27 Tom Tromey <tromey@redhat.com>
+
+ * gcc-plugin.m4: New file.
+
+2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ 2015-05-27 Jason Merrill <jason@redhat.com>
+
+ PR bootstrap/66304
+ * warnings.m4 (ACX_PROG_CXX_WARNING_OPTS)
+ (ACX_PROG_CXX_WARNINGS_ARE_ERRORS)
+ (ACX_PROG_CXX_WARNING_ALMOST_PEDANTIC): New.
+ (ACX_PROG_CC_WARNING_OPTS, ACX_PROG_CC_WARNING_ALMOST_PEDANTIC)
+ (ACX_PROG_CC_WARNINGS_ARE_ERRORS): Push into C language context.
+
+2015-07-14 H.J. Lu <hongjiu.lu@intel.com>
+
+ Sync with GCC
+ * mh-alpha-linux: Restored.
+
+2015-06-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ * dfp.m4 (enable_decimal_float): Also set to yes for
+ i?86*-*-elfiamcu target.
+
+2015-04-10 Jakub Jelinek <jakub@redhat.com>
+ Iain Sandoe <iain@codesourcery.com>
+
+ PR target/65351
+ * mh-darwin: Only apply -mdynamic-no-pic for m32 Darwin when the
+ compiler in use supports -mno-dynamic-no-pic.
+ * picflag.m4: Only append -mno-dynamic-no-pic for Darwin when
+ -mdynamic-no-pic is present in CFLAGS.
+
+2015-04-07 Jakub Jelinek <jakub@redhat.com>
+ Iain Sandoe <iain@codesourcery.com>
+
+ PR target/65351
+ * picflag.m4: Append -mno-dynamic-no-pic for Darwin.
+
+2015-04-02 H.J. Lu <hongjiu.lu@intel.com>
+
+ * zlib.m4 (AM_ZLIB): Set zlibdir to -L\$(top_builddir)/../zlib
+ and set zlibinc to -I\$(top_srcdir)/../zlib.
+
+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.
+
+2014-08-19 Alan Modra <amodra@gmail.com>
+
+ * plugins.m4 (AC_PLUGINS): If plugins are enabled, add -ldl to
+ LIBS via AC_SEARCH_LIBS.
+
+2014-08-14 Alan Modra <amodra@gmail.com>
+
+ * plugins.m4: Test for dlfcn.h or windows.h here to set default
+ for --enable-plugins. Report error if someone tries to enable
+ plugins on a host we don't support.
+
+2014-05-14 Sandra Loosemore <sandra@codesourcery.com>
+
+ * mt-nios2-elf: New file.
+
+2013-12-07 Mike Frysinger <vapier@gentoo.org>
+
+ * acinclude.m4: Remove +x file mode.
+
+2013-11-29 Marek Polacek <polacek@redhat.com>
+
+ * bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Remove -lpthread -ldl.
+ Add -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-29 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
+ -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/.
+
+2013-11-19 Marek Polacek <polacek@redhat.com>
+
+ * bootstrap-ubsan.mk (POSTSTAGE1_LDFLAGS): Add -ldl.
+
+2013-11-18 Jan Hubicka <jh@suse.cz>
+
+ * bootstrap-lto.mk: Use -ffat-lto-objects.
+
+2013-11-15 Andreas Schwab <schwab@linux-m68k.org>
+
+ * picflag.m4 (m68k-*-*): Use default PIC flag.
+
+2013-09-29 Iain Sandoe <iain@codesourcery.com>
+
+ * mh-darwin (BOOT_CFLAGS): Only add -mdynamic-no-pic for m32 hosts.
+ (STAGE1_CFLAGS, STAGE1_LDFLAGS): New.
+ Fix over-length lines and amend comments.
+
+2013-08-30 Marek Polacek <polacek@redhat.com>
+
+ * bootstrap-ubsan.mk: New.
+
+2013-03-27 Kai Tietz <ktietz@redhat.com>
+
+ * dfp.m4: Add support for cygwin x64 target.
+ * picflag.m4: Likewise.
+
+2013-02-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-asan.mk (POSTSTAGE1_LDFLAGS): Add
+ -B$$r/prev-$(TARGET_SUBDIR)/libsanitizer/asan/.
+
+2013-01-23 Shenghou Ma <minux.ma@gmail.com>
+
+ * isl.m4: don't echo $CFLAGS for ISL_CHECK_VERSION.
+
+2013-01-15 Richard Biener <rguenther@suse.de>
+
+ PR other/55973
+ * isl.m4 (ISL_INIT_FLAGS): Warn about disabled version check
+ for in-tree build.
+ (ISL_CHECK_VERSION): Do not use AC_CACHE_CHECK.
+ * cloog.m4 (CLOOG_INIT_FLAGS): Disable version check for
+ in-tree build and warn about that.
+ (CLOOG_CHECK_VERSION): Do not use AC_CACHE_CHECK.
+
+2013-01-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ * libstdc++-raw-cxx.m4 (GCC_LIBSTDCXX_RAW_CXX_FLAGS): Remove
+ "-I" from LIBSTDCXX_RAW_CXX_LDFLAGS.
+
+2012-12-12 H.J. Lu <hongjiu.lu@intel.com>
+
+ * libstdc++-raw-cxx.m4 (GCC_LIBSTDCXX_RAW_CXX_FLAGS): Also
+ AC_SUBST LIBSTDCXX_RAW_CXX_LDFLAGS.
+
+2012-12-11 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR sanitizer/55533
+ * libstdc++-raw-cxx.m4: New file.
+
+2012-11-28 H.J. Lu <hongjiu.lu@intel.com>
+
+ * bootstrap-asan.mk: New file.
+
+2012-11-04 Thomas Schwinge <thomas@codesourcery.com>
+
+ * dfp.m4 (enable_decimal_float): Enable for i?86*-*-gnu*.
+
+2012-10-15 Pavel Chupin <pavel.v.chupin@intel.com>
+
+ * gthr.m4: New. Define GCC_AC_THREAD_HEADER.
+
+2012-09-19 Steve Ellcey <sellcey@mips.com>
+
+ * mt-sde: Change -mcode-xonly to -mcode-readable=pcrel.
+
+2012-09-03 Richard Guenther <rguenther@suse.de>
+
+ PR bootstrap/54138
+ * config/cloog.m4: Adjust for toplevel reorg.
+ * config/isl.m4: Adjust.
+
+2012-08-26 Art Haas <ahaas@impactweather.com>
+
+ * cloog.m4 (CLOOG_INIT_FLAGS): Use = instead of == in test.
+
+2012-07-04 Tristan Gingold <gingold@adacore.com>
+
+ * isl.m4 (ISL_CHECK_VERSION): Set to yes if cross-compiling.
+ Fix comments.
+
+2012-07-03 Richard Guenther <rguenther@suse.de>
+
+ * cloog.m4: Remove debugging print.
+
+2012-07-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * isl.m4 (ISL_CHECK_VERSION): Add -lisl to LIBS, not LDFLAGS.
+
+2012-07-02 Richard Guenther <rguenther@suse.de>
+
+ * isl.m4 (_ISL_CHECK_CT_PROG): Omit main function header/footer.
+ Fix version test.
+
+2012-07-02 Richard Guenther <rguenther@suse.de>
+ Michael Matz <matz@suse.de>
+ Tobias Grosser <tobias@grosser.es>
+ Sebastian Pop <sebpop@gmail.com>
+
+ * cloog.m4: Set up to work against ISL only.
+ * isl.m4: New file.
+
+2012-05-29 Joseph Myers <joseph@codesourcery.com>
+
+ * mt-sde: Fix typos.
+ * stdint.m4: Fix typos.
+ * tcl.m4: Fix typos.
+
+2012-05-03 Olivier Hainque <hainque@adacore.com>
+
+ * mh-ppc-aix (LDFLAGS): Quote $(CC).
+
+2012-04-03 Tristan Gingold <gingold@adacore.com>
+
+ * mmap.m4: Use *vms* instead of vms*.
+
+2012-04-02 Tristan Gingold <gingold@adacore.com>
+
+ * math.m4 (GCC_CHECK_MATH_FUNC): Remove if-present
+ argument. Define the variable.
+
+2012-03-26 Tristan Gingold <gingold@adacore.com>
+
+ * math.m4: New file.
+
+2012-03-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * weakref.m4 (GCC_CHECK_ELF_STYLE_WEAKREF): Remove
+ alpha*-dec-osf*.
+
+2012-01-22 Douglas B Rupp <rupp@gnat.com>
+
+ * config/mh-interix: Remove as unneeded.
+ * config/picflag.m4 (i[[34567]]86-*-interix3*):
+ Change triplet to i[[34567]]86-*-interix[[3-9]]*.
+
+2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ PR bootstrap/51734
+ * picflag.m4: Remove s390 case statement.
+
+2011-12-20 Andreas Schwab <schwab@linux-m68k.org>
+
+ * warnings.m4 (ACX_PROG_CC_WARNING_OPTS): Avoid leading dash in
+ expr call.
+
+2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR bootstrap/51388
+ * warnings.m4 (ACX_PROG_CC_WARNING_OPTS)
+ (ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the
+ no- prefix.
+
2011-12-18 Eric Botcazou <ebotcazou@adacore.com>
* acx.m4 (Test for GNAT): Update comment and add quotes in final test.
+2011-11-22 Iain Sandoe <iains@gcc.gnu.org>
+
+ * weakref.m4: New file.
+
+2011-11-09 Richard Henderson <rth@redhat.com>
+
+ * asmcfi.m4: New file.
+
2011-11-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
* mh-interix (LIBGCC2_DEBUG_CFLAGS): Remove.
* elf.m4 (target_elf): Remove *-netware*.
+2011-07-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * mt-alphaieee (GOCFLAGS_FOR_TARGET): Add -mieee.
+
+2011-06-15 Mike Stump <mikestump@comcast.net>
+
+ PR target/49461
+ * mh-darwin: Turn off -pie on darwin11 and later.
+
2011-04-20 Eric Botcazou <ebotcazou@adacore.com>
* bootstrap-lto.mk: Remove obsolete requirement.