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[src/trunk]: src/external/gpl3/gcc/dist initial merge of GCC 10.3.0.



details:   https://anonhg.NetBSD.org/src/rev/8cb7df17eeaf
branches:  trunk
changeset: 982346:8cb7df17eeaf
user:      mrg <mrg%NetBSD.org@localhost>
date:      Sun Apr 11 00:02:09 2021 +0000

description:
initial merge of GCC 10.3.0.

these three files are not yet finished merging:

gcc/config/rs6000/rs6000.c
libsanitizer/lsan/lsan_allocator.h
libsanitizer/sanitizer_common/sanitizer_platform_limits_posix.h

our current GCC 9 sanitizers are newer than GCC 10's still, so that
may take a little to untease, so it's probable that more than
these 2 will need more changes.

rs6000.c has some changes related to ABI and supported functionality
that need to be merged forward.

diffstat:

 external/gpl3/gcc/dist/INSTALL/binaries.html                                                         |     14 +-
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 external/gpl3/gcc/dist/LAST_UPDATED                                                                  |      2 +-
 external/gpl3/gcc/dist/MD5SUMS                                                                       |  55912 ++++++---
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 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_platform_posix.cc                                      |    173 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_platform_windows.cc                                    |     36 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_preinit.cc                                             |     25 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_report.cc                                              |    482 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl.cc                                                 |   1085 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl_amd64.S                                            |     49 +-
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl_mutex.cc                                           |    538 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl_proc.cc                                            |     59 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl_report.cc                                          |    753 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_rtl_thread.cc                                          |    399 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_stack_trace.cc                                         |     49 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_stat.cc                                                |    185 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_suppressions.cc                                        |    168 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_symbolize.cc                                           |    121 -
 external/gpl3/gcc/dist/libsanitizer/tsan/tsan_sync.cc                                                |    295 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_diag.cc                                              |    434 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_diag_standalone.cc                                   |     36 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_flags.cc                                             |     84 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_handlers.cc                                          |    810 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_handlers_cxx.cc                                      |    162 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_init.cc                                              |     63 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_init_standalone.cc                                   |     32 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_init_standalone_preinit.cc                           |     34 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_monitor.cc                                           |     74 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_platform.h                                           |      5 +-
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_signals_standalone.cc                                |     68 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_type_hash.cc                                         |     32 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_type_hash_itanium.cc                                 |    260 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_type_hash_win.cc                                     |     79 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_value.cc                                             |    111 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_value.h                                              |      5 +-
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_win_dll_thunk.cc                                     |     19 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_win_dynamic_runtime_thunk.cc                         |     19 -
 external/gpl3/gcc/dist/libsanitizer/ubsan/ubsan_win_weak_interception.cc                             |     22 -
 external/gpl3/gcc/dist/libssp/configure                                                              |     78 +-
 external/gpl3/gcc/dist/libstdc++-v3/Makefile.am                                                      |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/Makefile.in                                                      |      1 +
 external/gpl3/gcc/dist/libstdc++-v3/acinclude.m4                                                     |    658 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/i386-solaris2.10/amd64/baseline_symbols.txt      |   5812 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/i386-solaris2.10/baseline_symbols.txt            |   5754 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/i386-solaris2.11/amd64/baseline_symbols.txt      |   5814 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/i386-solaris2.11/baseline_symbols.txt            |   5756 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/sparc-solaris2.10/baseline_symbols.txt           |   5747 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/sparc-solaris2.10/sparcv9/baseline_symbols.txt   |   5805 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/sparc-solaris2.11/baseline_symbols.txt           |   5749 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/post/sparc-solaris2.11/sparcv9/baseline_symbols.txt   |   5807 -
 external/gpl3/gcc/dist/libstdc++-v3/config/abi/pre/gnu.ver                                           |      5 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/c_locale.cc                              |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/c_locale.h                               |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/codecvt_members.cc                       |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/ctype_members.cc                         |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/monetary_members.cc                      |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/numeric_members.cc                       |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/dragonfly/time_members.cc                          |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/locale/generic/time_members.cc                            |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/os/bsd/netbsd/ctype_base.h                                |     52 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/os/bsd/netbsd/ctype_configure_char.cc                     |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/os/bsd/netbsd/ctype_inline.h                              |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/config/os/solaris/solaris2.10/ctype_base.h                       |     63 -
 external/gpl3/gcc/dist/libstdc++-v3/config/os/solaris/solaris2.10/ctype_configure_char.cc            |     99 -
 external/gpl3/gcc/dist/libstdc++-v3/config/os/solaris/solaris2.10/ctype_inline.h                     |     76 -
 external/gpl3/gcc/dist/libstdc++-v3/config/os/solaris/solaris2.10/os_defines.h                       |     39 -
 external/gpl3/gcc/dist/libstdc++-v3/configure                                                        |   8922 +-
 external/gpl3/gcc/dist/libstdc++-v3/configure.ac                                                     |     16 +-
 external/gpl3/gcc/dist/libstdc++-v3/configure.host                                                   |     31 +-
 external/gpl3/gcc/dist/libstdc++-v3/crossconfig.m4                                                   |     71 +-
 external/gpl3/gcc/dist/libstdc++-v3/doc/xml/manual/profile_mode.xml                                  |   1718 -
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/boost_concept_check.h                               |      4 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/locale_facets.tcc                                   |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/locale_facets_nonio.h                               |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/stl_algo.h                                          |    346 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/stl_algobase.h                                      |    814 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/stl_heap.h                                          |     24 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/stl_pair.h                                          |    121 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/bits/stl_queue.h                                         |     15 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/ext/array_allocator.h                                    |    182 -
 external/gpl3/gcc/dist/libstdc++-v3/include/ext/numeric_traits.h                                     |    104 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/ext/rope                                                 |    329 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/ext/ropeimpl.h                                           |    120 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/array                                            |    281 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/base.h                                           |     58 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/bitset                                           |    245 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/deque                                            |    188 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/forward_list                                     |    219 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler.h                                  |    370 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_algos.h                            |    111 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_container_size.h                   |    186 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_hash_func.h                        |    153 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_hashtable_size.h                   |    100 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_list_to_slist.h                    |    168 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_list_to_vector.h                   |    261 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_map_to_unordered_map.h             |    275 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_node.h                             |    155 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_state.h                            |     69 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_trace.h                            |    663 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_vector_size.h                      |    100 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/impl/profiler_vector_to_list.h                   |    261 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/iterator_tracker.h                               |    286 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/list                                             |    650 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/map                                              |     35 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/map.h                                            |    705 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/multimap.h                                       |    663 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/multiset.h                                       |    647 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/ordered_base.h                                   |    100 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/set                                              |     35 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/set.h                                            |    628 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/unordered_base.h                                 |    308 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/unordered_map                                    |    586 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/unordered_set                                    |    561 -
 external/gpl3/gcc/dist/libstdc++-v3/include/profile/vector                                           |    572 -
 external/gpl3/gcc/dist/libstdc++-v3/include/std/complex                                              |      8 +-
 external/gpl3/gcc/dist/libstdc++-v3/include/std/mutex                                                |     90 +-
 external/gpl3/gcc/dist/libstdc++-v3/libsupc++/atexit_arm.cc                                          |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/libsupc++/eh_arm.cc                                              |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/libsupc++/exception_ptr.h                                        |      9 +-
 external/gpl3/gcc/dist/libstdc++-v3/libsupc++/nested_exception.h                                     |     10 +-
 external/gpl3/gcc/dist/libstdc++-v3/libsupc++/unwind-cxx.h                                           |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++11/compatibility-atomic-c++0x.cc                          |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++11/compatibility-thread-c++0x.cc                          |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++11/ctype.cc                                               |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++11/mutex.cc                                               |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++11/random.cc                                              |    337 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++98/compatibility.cc                                       |      2 +-
 external/gpl3/gcc/dist/libstdc++-v3/src/c++98/istream.cc                                             |      2 +-
 external/gpl3/gcc/dist/lto-plugin/configure                                                          |    191 +-
 external/gpl3/gcc/dist/maintainer-scripts/update_version_svn                                         |     85 -
 external/gpl3/gcc/dist/maintainer-scripts/update_web_docs_libstdcxx_svn                              |     51 -
 external/gpl3/gcc/dist/maintainer-scripts/update_web_docs_svn                                        |    276 -
 633 files changed, 103087 insertions(+), 232778 deletions(-)

diffs (truncated from 406551 to 300 lines):

diff -r a335c06dc11b -r 8cb7df17eeaf external/gpl3/gcc/dist/INSTALL/binaries.html
--- a/external/gpl3/gcc/dist/INSTALL/binaries.html      Sat Apr 10 23:51:37 2021 +0000
+++ b/external/gpl3/gcc/dist/INSTALL/binaries.html      Sun Apr 11 00:02:09 2021 +0000
@@ -1,6 +1,6 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";>
 <html>
-<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
+<!-- Copyright (C) 1988-2020 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -22,10 +22,10 @@
 <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<title>Installing GCC</title>
+<title>Installing GCC: Binaries</title>
 
-<meta name="description" content="Installing GCC">
-<meta name="keywords" content="Installing GCC">
+<meta name="description" content="Installing GCC: Binaries">
+<meta name="keywords" content="Installing GCC: Binaries">
 <meta name="resource-type" content="document">
 <meta name="distribution" content="global">
 <meta name="Generator" content="makeinfo">
@@ -61,7 +61,7 @@
 </head>
 
 <body lang="en">
-<h1 class="settitle" align="center">Installing GCC</h1>
+<h1 class="settitle" align="center">Installing GCC: Binaries</h1>
 
 
 
@@ -101,7 +101,7 @@
 <li> AIX:
 <ul>
 <li> <a href="http://www.bullfreeware.com";>Bull&rsquo;s Open Source Software Archive for
-for AIX 5L and AIX 6</a>;
+for AIX 6 and AIX 7</a>;
 
 </li><li> <a href="http://www.perzl.org/aix/";>AIX Open Source Packages (AIX5L AIX 6.1
 AIX 7.1)</a>.
@@ -117,8 +117,6 @@
 </li><li> Solaris 2 (SPARC, Intel):
 <ul>
 <li> <a href="https://www.opencsw.org/";>OpenCSW</a>
-
-</li><li> <a href="http://jupiterrise.com/tgcware/";>TGCware</a>
 </li></ul>
 
 </li><li> macOS:
diff -r a335c06dc11b -r 8cb7df17eeaf external/gpl3/gcc/dist/INSTALL/build.html
--- a/external/gpl3/gcc/dist/INSTALL/build.html Sat Apr 10 23:51:37 2021 +0000
+++ b/external/gpl3/gcc/dist/INSTALL/build.html Sun Apr 11 00:02:09 2021 +0000
@@ -1,6 +1,6 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";>
 <html>
-<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
+<!-- Copyright (C) 1988-2020 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -22,10 +22,10 @@
 <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<title>Installing GCC</title>
+<title>Installing GCC: Building</title>
 
-<meta name="description" content="Installing GCC">
-<meta name="keywords" content="Installing GCC">
+<meta name="description" content="Installing GCC: Building">
+<meta name="keywords" content="Installing GCC: Building">
 <meta name="resource-type" content="document">
 <meta name="distribution" content="global">
 <meta name="Generator" content="makeinfo">
@@ -61,7 +61,7 @@
 </head>
 
 <body lang="en">
-<h1 class="settitle" align="center">Installing GCC</h1>
+<h1 class="settitle" align="center">Installing GCC: Building</h1>
 
 
 
@@ -231,6 +231,7 @@
 </p>
 </dd>
 <dt>&lsquo;<samp>bootstrap-O3</samp>&rsquo;</dt>
+<dt>&lsquo;<samp>bootstrap-Og</samp>&rsquo;</dt>
 <dd><p>Analogous to <code>bootstrap-O1</code>.
 </p>
 </dd>
@@ -323,6 +324,11 @@
 the build tree.
 </p>
 </dd>
+<dt>&lsquo;<samp>bootstrap-asan</samp>&rsquo;</dt>
+<dd><p>Compiles GCC itself using Address Sanitization in order to catch invalid memory
+accesses within the GCC code.
+</p>
+</dd>
 </dl>
 
 <a name="Building-a-cross-compiler"></a>
@@ -417,26 +423,7 @@
 <a name="Building-the-Ada-compiler"></a>
 <h3 class="section">Building the Ada compiler</h3>
 
-<p>In order to build GNAT, the Ada compiler, you need a working GNAT
-compiler (GCC version 4.0 or later).
-This includes GNAT tools such as <code>gnatmake</code> and
-<code>gnatlink</code>, since the Ada front end is written in Ada and
-uses some GNAT-specific extensions.
-</p>
-<p>In order to build a cross compiler, it is suggested to install
-the new compiler as native first, and then use it to build the cross
-compiler.
-</p>
-<p><code>configure</code> does not test whether the GNAT installation works
-and has a sufficiently recent version; if too old a GNAT version is
-installed, the build will fail unless <samp>--enable-languages</samp> is
-used to disable building the Ada front end.
-</p>
-<p><code>ADA_INCLUDE_PATH</code> and <code>ADA_OBJECT_PATH</code> environment variables
-must not be set when building the Ada compiler, the Ada tools, or the
-Ada runtime libraries. You can check that your build environment is clean
-by verifying that &lsquo;<samp>gnatls -v</samp>&rsquo; lists only one explicit path in each
-section.
+<p><a href="prerequisites.html#GNAT-prerequisite">GNAT prerequisites</a>.
 </p>
 <a name="Building-with-profile-feedback"></a>
 <h3 class="section">Building with profile feedback</h3>
diff -r a335c06dc11b -r 8cb7df17eeaf external/gpl3/gcc/dist/INSTALL/configure.html
--- a/external/gpl3/gcc/dist/INSTALL/configure.html     Sat Apr 10 23:51:37 2021 +0000
+++ b/external/gpl3/gcc/dist/INSTALL/configure.html     Sun Apr 11 00:02:09 2021 +0000
@@ -1,6 +1,6 @@
 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd";>
 <html>
-<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
+<!-- Copyright (C) 1988-2020 Free Software Foundation, Inc.
 
 Permission is granted to copy, distribute and/or modify this document
 under the terms of the GNU Free Documentation License, Version 1.3 or
@@ -22,10 +22,10 @@
 <!-- Created by GNU Texinfo 6.5, http://www.gnu.org/software/texinfo/ -->
 <head>
 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
-<title>Installing GCC</title>
+<title>Installing GCC: Configuration</title>
 
-<meta name="description" content="Installing GCC">
-<meta name="keywords" content="Installing GCC">
+<meta name="description" content="Installing GCC: Configuration">
+<meta name="keywords" content="Installing GCC: Configuration">
 <meta name="resource-type" content="document">
 <meta name="distribution" content="global">
 <meta name="Generator" content="makeinfo">
@@ -61,7 +61,7 @@
 </head>
 
 <body lang="en">
-<h1 class="settitle" align="center">Installing GCC</h1>
+<h1 class="settitle" align="center">Installing GCC: Configuration</h1>
 
 
 
@@ -159,6 +159,21 @@
 <p>The default value refers to the FSF&rsquo;s GCC bug tracker.
 </p>
 </dd>
+<dt><code>--with-documentation-root-url=<var>url</var></code></dt>
+<dd><p>Specify the URL root that contains GCC option documentation.  The <var>url</var>
+should end with a <code>/</code> character.
+</p>
+<p>The default value is <a href="https://gcc.gnu.org/onlinedocs/";>https://gcc.gnu.org/onlinedocs/</a>.
+</p>
+</dd>
+<dt><code>--with-changes-root-url=<var>url</var></code></dt>
+<dd><p>Specify the URL root that contains information about changes in GCC
+releases like <code>gcc-<var>version</var>/changes.html</code>.
+The <var>url</var> should end with a <code>/</code> character.
+</p>
+<p>The default value is <a href="https://gcc.gnu.org/";>https://gcc.gnu.org/</a>.
+</p>
+</dd>
 </dl>
 
 <a name="Target-specification"></a>
@@ -493,7 +508,7 @@
 
 </li><li> If the target system is the same that you are building on, check
 operating system specific directories (e.g. <samp>/usr/ccs/bin</samp> on
-Sun Solaris 2).
+Solaris 2).
 
 </li><li> Check in the <code>PATH</code> for a tool whose name is prefixed by the
 target system triple.
@@ -588,6 +603,10 @@
 <dd><p>single-float, biendian, softfloat.
 </p>
 </dd>
+<dt><code>msp430-*-*</code></dt>
+<dd><p>no-exceptions
+</p>
+</dd>
 <dt><code>powerpc*-*-*, rs6000*-*-*</code></dt>
 <dd><p>aix64, pthread, softfloat, powercpu, powerpccpu, powerpcos, biendian,
 sysv, aix.
@@ -825,6 +844,12 @@
 This is an alias for <samp>--enable-tls=no</samp>.
 </p>
 </dd>
+<dt><code>--disable-tm-clone-registry</code></dt>
+<dd><p>Disable TM clone registry in libgcc. It is enabled in libgcc by default.
+This option helps to reduce code size for embedded targets which do
+not use transactional memory.
+</p>
+</dd>
 <dt><code>--with-cpu=<var>cpu</var></code></dt>
 <dt><code>--with-cpu-32=<var>cpu</var></code></dt>
 <dt><code>--with-cpu-64=<var>cpu</var></code></dt>
@@ -833,7 +858,7 @@
 This option is only supported on some targets, including ARC, ARM, i386, M68k,
 PowerPC, and SPARC.  It is mandatory for ARC.  The <samp>--with-cpu-32</samp> and
 <samp>--with-cpu-64</samp> options specify separate default CPUs for
-32-bit and 64-bit modes; these options are only supported for i386,
+32-bit and 64-bit modes; these options are only supported for aarch64, i386,
 x86-64, PowerPC, and SPARC.
 </p>
 </dd>
@@ -1107,8 +1132,8 @@
 <samp><var>libdir</var></samp> unless you overruled it by using
 <samp>--with-gxx-include-dir=<var>dirname</var></samp>.  Using this option is
 particularly useful if you intend to use several versions of GCC in
-parallel.  This is currently supported by &lsquo;<samp>libgfortran</samp>&rsquo;,
-&lsquo;<samp>libstdc++</samp>&rsquo;, and &lsquo;<samp>libobjc</samp>&rsquo;.
+parallel.  The default is &lsquo;<samp>yes</samp>&rsquo; for &lsquo;<samp>libada</samp>&rsquo;, and &lsquo;<samp>no</samp>&rsquo; for
+the remaining libraries.
 </p>
 </dd>
 <dt><code><a name="WithAixSoname"></a>--with-aix-soname=&lsquo;<samp>aix</samp>&rsquo;, &lsquo;<samp>svr4</samp>&rsquo; or &lsquo;<samp>both</samp>&rsquo;</code></dt>
@@ -1679,12 +1704,22 @@
 <dd><p>Tells GCC to use <var>choice</var> as the default for <samp>-fdiagnostics-color=</samp>
 option (if not used explicitly on the command line).  <var>choice</var>
 can be one of &lsquo;<samp>never</samp>&rsquo;, &lsquo;<samp>auto</samp>&rsquo;, &lsquo;<samp>always</samp>&rsquo;, and &lsquo;<samp>auto-if-env</samp>&rsquo;
-where &lsquo;<samp>auto</samp>&rsquo; is the default.  &lsquo;<samp>auto-if-env</samp>&rsquo; means that
-<samp>-fdiagnostics-color=auto</samp> will be the default if <code>GCC_COLORS</code>
-is present and non-empty in the environment, and
+where &lsquo;<samp>auto</samp>&rsquo; is the default.  &lsquo;<samp>auto-if-env</samp>&rsquo; makes
+<samp>-fdiagnostics-color=auto</samp> the default if <code>GCC_COLORS</code>
+is present and non-empty in the environment of the compiler, and
 <samp>-fdiagnostics-color=never</samp> otherwise.
 </p>
 </dd>
+<dt><code>--with-diagnostics-urls=<var>choice</var></code></dt>
+<dd><p>Tells GCC to use <var>choice</var> as the default for <samp>-fdiagnostics-urls=</samp>
+option (if not used explicitly on the command line).  <var>choice</var>
+can be one of &lsquo;<samp>never</samp>&rsquo;, &lsquo;<samp>auto</samp>&rsquo;, &lsquo;<samp>always</samp>&rsquo;, and &lsquo;<samp>auto-if-env</samp>&rsquo;
+where &lsquo;<samp>auto</samp>&rsquo; is the default.  &lsquo;<samp>auto-if-env</samp>&rsquo; makes
+<samp>-fdiagnostics-urls=auto</samp> the default if <code>GCC_URLS</code>
+or <code>TERM_URLS</code> is present and non-empty in the environment of the
+compiler, and <samp>-fdiagnostics-urls=never</samp> otherwise.
+</p>
+</dd>
 <dt><code>--enable-lto</code></dt>
 <dt><code>--disable-lto</code></dt>
 <dd><p>Enable support for link-time optimization (LTO).  This is enabled by
@@ -1803,6 +1838,11 @@
 <p>The following options only apply to building cross compilers.
 </p>
 <dl compact="compact">
+<dt><code>--with-toolexeclibdir=<var>dir</var></code></dt>
+<dd><p>Specify the installation directory for libraries built with a cross compiler.
+The default is <samp>${gcc_tooldir}/lib</samp>.
+</p>
+</dd>
 <dt><code>--with-sysroot</code></dt>
 <dt><code>--with-sysroot=<var>dir</var></code></dt>
 <dd><p>Tells GCC to consider <var>dir</var> as the root of a tree that contains
@@ -1881,18 +1921,71 @@
 omitted from <samp>libgcc.a</samp> on the assumption that it will be provided by
 &lsquo;<samp>newlib</samp>&rsquo;.
 </p>
+<a name="avr"></a>
 </dd>
 <dt><code>--with-avrlibc</code></dt>
-<dd><p>Specifies that &lsquo;<samp>AVR-Libc</samp>&rsquo; is
-being used as the target C library.  This causes float support
+<dd><p>Only supported for the AVR target. Specifies that &lsquo;<samp>AVR-Libc</samp>&rsquo; is
+being used as the target C&nbsp; library.  This causes float support
 functions like <code>__addsf3</code> to be omitted from <samp>libgcc.a</samp> on
 the assumption that it will be provided by <samp>libm.a</samp>.  For more
 technical details, cf. <a href="http://gcc.gnu.org/PR54461";>PR54461</a>.
-This option is only supported for the AVR target.  It is not supported for
+It is not supported for
 RTEMS configurations, which currently use newlib.  The option is
 supported since version 4.7.2 and is the default in 4.8.0 and newer.
 </p>



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