+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.
+
+2011-08-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * picflag.m4: New file.
+
+2011-07-18 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * 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.
+
+2011-03-24 Paolo Bonzini <pbonzini@redhat.com>
+
+ * mt-mep: Remove, obsolete.
+ * mt-netware: Remove, obsolete.
+ * mt-wince: Remove, obsolete.
+ * mt-v810: Remove, unused.
+
+2011-03-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * mh-x86omitfp: Remove.
+
+2011-03-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * mh-cygwin: Remove obsolete variables and dependencies.
+
+2011-03-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * mh-sysv4: Remove.
+ * mh-solaris: Remove.
+
+2011-03-24 Paolo Bonzini <bonzini@gnu.org>
+
+ * mh-sysv4: Remove AR_CFLAGS.
+
+2011-03-24 Joseph Myers <joseph@codesourcery.com>
+
+ * mh-cxux, mh-decstation, mh-dgux386, mh-lynxrs6k, mh-ncr3000,
+ mh-necv4, mh-sco, mh-sysv5: Remove.
+
+2011-03-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+ Eric Blake <eblake@redhat.com>
+
+ * override.m4: Error out if a buggy M4 was detected, to
+ avoid spurious diffs in generated files.
+
+2011-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ * cloog.m4 (CLOOG_REQUESTED): Use $2 if --without-cloog.
+
+2011-01-10 Jan Hubicka <jh@suse.cz>
+
+ * bootstrap-lto.mk: -fuse-linker-plugin is default now;
+ pass -fno-lto to STAGEprofile.
+
+2010-12-06 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/40125
+ PR lto/46695
+ * lthostflags.m4: New file.
+ (ACX_LT_HOST_FLAGS): Define.
+
+2010-12-02 Dave Korn <dave.korn.cygwin@gmail.com>
+
+ * mh-cygwin (LDFLAGS): Turn up stack allocation to 12MB.
+ (BOOT_LDFLAGS): Add matching stack size flag.
+ * mh-mingw (LDFLAGS): Likewise.
+ (BOOT_LDFLAGS): Likewise.
+
+2010-11-27 Eric Botcazou <ebotcazou@adacore.com>
+
+ * bootstrap-lto.mk (BOOT_ADAFLAGS): Delete.
+
+2010-11-19 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * cloog.m4: Use AS_HELP_STRING and fix help formatting.
+
+2010-11-15 Andreas Schwab <schwab@redhat.com>
+
+ * cloog.m4 (CLOOG_INIT_FLAGS): Fix spelling in option names.
+
+2010-11-12 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * cloog.m4: Add -enable-cloog-backend=(isl|ppl|ppl-legacy) to
+ define the cloog backend to use. Furthermore, only pass the ppllibs to
+ the configure checks, if necessary.
+
+2010-11-12 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * cloog.m4: Use CLooG predefined macro to check for CLooG PPL.
+
+2010-11-12 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * cloog.m4: Fix typo. verison -> version.
+
+2010-11-12 Tobias Grosser <grosser@fim.uni-passau.de>
+
+ * cloog.m4: Pass ppl libraries to the CLooG version check.
+
+2010-11-11 Jan Hubicka <jh@suse.cz>
+
+ * bootstrap-lto: Use -flto.
+
+2010-11-04 Iain Sandoe <iains@gcc.gnu.org>
+
+ * mh-darwin: Renamed from mh-ppc-darwin.
+
+2010-06-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * po.m4 (AM_PO_SUBDIRS): Fix unportable shell quoting.
+
+2010-09-10 Jonathan Yong <jon_y@users.sourceforge.net>
+
+ * dfp.m4: Enable decimal float for i?86 cygwin
+ and mingw, and for x86_64 mingw.
+
+2010-09-06 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/45524
+ * dfp.m4: Don't set enable_decimal_float to dpd if DFP is
+ disabled. Set default_decimal_float.
+
+2010-09-06 Andreas Schwab <schwab@redhat.com>
+
+ * dfp.m4: Quote argument of AC_MSG_WARN.
+
+2010-09-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * dfp.m4: New file.
+
+2010-09-01 Andi Kleen <ak@linux.intel.com>
+
+ * bootstrap-lto.mk (STAGE2_CFLAGS, STAGE3_CFLAGS): Change
+ to -fwhopr=jobserver -fuse-linker-plugin -frandom-seed=1.
+
+2010-08-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR target/45084
+ * stdint.m4 (GCC_HEADER_STDINT): Use m4 quotes for arguments
+ of AC_MSG_ERROR.
+
+2010-07-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * gc++filt.m4: New file.
+
+2010-06-20 Alexandre Oliva <aoliva@redhat.com>
+
+ * bootstrap-lto.mk: New.
+
+2010-06-10 Paolo Bonzini <bonzini@gnu.org>
+
+ * override.m4: Remove obsolete (<2.64) definitions.
+
+2010-06-09 Iain Sandoe <iains@gcc.gnu.org>
+
+ PR bootstrap/43170
+ * tls.m4 (GCC_CHECK_TLS): Add volatile qualifier to the test
+ references. Move the main () test reference ahead of
+ pthread_create(). Add a comment to explain the requirements
+ of the test.
+
+2010-06-03 Joern Rennecke <joern.rennecke@embecosm.com>
+ Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ PR bootstrap/42798
+ * override.m4 (_AC_CHECK_DECL_BODY, _AC_CHECK_DECLS): Import
+ definitions from git Autoconf.
+
+2010-04-13 Steve Ellcey <sje@cup.hp.com>
+
+ * elf.m4: Add hppa[12]*-*-hpux* to list of non-elf platforms.
+
+2010-03-23 Kai Tietz <kai.tietz@onevision.com>
+
+ * mh-mingw: Revert accidentally checking r156315.
+
+2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * stdint.m4 (GCC_HEADER_STDINT): Don't typedef uint8_t etc. if
+ corresponding macros already exist.
+
+2010-01-02 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41529
+ * elf.m4: New file.
+
+2009-11-30 Joseph Myers <joseph@codesourcery.com>
+
+ * largefile.m4 (ACX_LARGEFILE): Require AC_CANONICAL_HOST and
+ AC_CANONICAL_TARGET.
+
+2009-11-24 Joel Brobecker <brobecker@adacore.com>
+
+ * zlib.m4: New file.
+
+2009-11-09 Jan Kratochvil <jan.kratochvil@redhat.com>
+
+ * largefile.m4 (ACX_LARGEFILE): Call AC_PLUGINS.
+
+2009-11-06 Jan Kratochvil <jan.kratochvil@redhat.com>
+ Joel Brobecker <brobecker@adacore.com>
+ Paolo Bonzini <bonzini@gnu.org>
+
+ * largefile.m4: New file.
+
+2009-10-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * acx.m4 (ACX_CHECK_CYGWIN_CAT_WORKS): Use = with test.
+
+2009-09-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * stdint.m4 (GCC_HEADER_STDINT): Revert changes to this macro in
+ the previous two patches.
+
+2009-09-09 Paolo Bonzini <bonzini@gnu.org>
+
+ * stdint.m4: Store temporary file in $tmp/_GCC_STDINT_H.
+
+2009-09-08 Paolo Bonzini <bonzini@gnu.org>
+
+ * stdint.m4: Rewrite by using autoconf 2.64 features.
+
+2009-09-03 Alexandre Oliva <aoliva@redhat.com>
+
+ * bootstrap-debug-big.mk (STAGE2_CFLAGS): Drop -gtoggle.
+ * bootstrap-debug-lean.mk: Update comments.
+ (STAGE2_CFLAGS): Likewise.
+ (do-compare): Don't override.
+
+2009-09-01 Alexandre Oliva <aoliva@redhat.com>
+
+ * bootstrap-debug.mk: Add comments.
+ * bootstrap-debug-big.mk: New.
+ * bootstrap-debug-lean.mk: New.
+ * bootstrap-debug-ckovw.mk: Add comments.
+ * bootstrap-debug-lib.mk: Drop CFLAGS for stages. Use -g0
+ for TFLAGS in stage1. Drop -fvar-tracking-assignments-toggle.
+
+2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * override.m4 (_GCC_AUTOCONF_VERSION): Bump to 2.64.
+
+2009-08-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * override.m4 (AC_DISABLE_OPTION_CHECKING): Define to be
+ empty if not defined, to avoid error with 2.59.
+ (_AC_LANG_IO_PROGRAM): When the Autoconf version is exactly
+ 2.64, avoid per-language instances to drop fopen from test
+ program.
+
+2009-07-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * extensions.m4 (AC_USE_SYSTEM_EXTENSIONS): Do not expand
+ for Autoconf 2.62 or newer.
+ * tls.m4 (GCC_CHECK_TLS): Fix m4 quotation.
+ * no-executables.m4 (_AC_COMPILER_EXEEXT): Fix m4 quotation.
+ * override.m4 (m4_copy_force, m4_rename_force): Provide
+ macros if not defined.
+ (AC_PREREQ): Use m4_copy_force.
+
+2009-07-17 Joseph Myers <joseph@codesourcery.com>
+
+ PR other/40784
+ * tls.m4 (GCC_CHECK_TLS): Add extra quoting around argument to
+ AC_LINK_IFELSE.
+
+2009-07-16 Joseph Myers <joseph@codesourcery.com>
+
+ * 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.
+