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gcc/libstdc++-v3
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Alexandre Oliva 3d0f3382fa libsupc++: try cxa_thread_atexit_impl at runtime 
g++.dg/tls/thread_local-order2.C fails when the toolchain is built for
a platform that lacks __cxa_thread_atexit_impl, even if the program is
built and run using that toolchain on a (later) platform that offers
__cxa_thread_atexit_impl.

This patch adds runtime testing for __cxa_thread_atexit_impl on select
platforms (GNU variants, for starters) that support weak symbols.


for  libstdc++-v3/ChangeLog

	PR libstdc++/112858
	* config/os/gnu-linux/os_defines.h
	(_GLIBCXX_MAY_HAVE___CXA_THREAD_ATEXIT_IMPL): Define.
	* libsupc++/atexit_thread.cc [__GXX_WEAK__ &&
	_GLIBCXX_MAY_HAVE___CXA_THREAD_ATEXIT_IMPL]
	(__cxa_thread_atexit): Add dynamic detection of
	__cxa_thread_atexit_impl.
2023-12-07 00:38:14 -03:00
..
config libsupc++: try cxa_thread_atexit_impl at runtime 2023-12-07 00:38:14 -03:00
doc libstdc++: Remove outdated references to buildstat.html 2023-11-21 15:58:20 +00:00
include libstdc++: Add workaround to std::ranges::subrange [PR111948] 2023-12-05 23:34:12 +00:00
libsupc++ libsupc++: try cxa_thread_atexit_impl at runtime 2023-12-07 00:38:14 -03:00
po Update copyright years. 2023-01-16 11:52:17 +01:00
python libstdc++: Fix std::deque::operator[] Xmethod [PR112491] 2023-11-15 11:16:49 +00:00
scripts libstdc++: Add Filesystem TS and std::stacktrace symbols to libstdc++exp.a 2023-09-08 18:04:12 +01:00
src libstdc++/112351 - deal with __gthread_once failure during locale init 2023-11-07 13:55:07 +01:00
testsuite c++: partial ordering of object parameter [PR53499] 2023-12-06 09:02:01 -05:00
acinclude.m4 libstdc++: use -D_GNU_SOURCE when building libbacktrace 2023-11-06 15:11:43 -08:00
aclocal.m4 libstdc++: Don't use gstdint.h anymore 2022-10-29 00:55:42 +01:00
ChangeLog Daily bump. 2023-12-07 00:17:06 +00:00
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ChangeLog-2022 Rotate ChangeLog files. 2023-01-01 16:20:13 +01:00
config.h.in libstdc++: Regenerate config.h.in 2023-11-17 15:28:43 +00:00
configure libstdc++: Regenerate GCC_CHECK_ASSEMBLER_HWCAP users 2023-12-01 09:59:08 +01:00
configure.ac Config,Darwin: Allow for configuring Darwin to use embedded runpath. 2023-10-22 19:30:02 +01:00
configure.host LoongArch: Adjust C++ multilib header layout. 2023-09-08 17:51:06 +08:00
crossconfig.m4 libstdc++: Allow emergency EH alloc pool size to be tuned [PR68606] 2022-10-11 16:21:48 +01:00
fragment.am
linkage.m4 libstdc++: Remove handling for underscore-prefixed libm functions [PR111638] 2023-11-11 00:41:08 +00:00
Makefile.am libstdc++: Enable building libstdc++.{a,so} when !HOSTED 2023-02-06 14:23:46 +00:00
Makefile.in libstdc++: Enable building libstdc++.{a,so} when !HOSTED 2023-02-06 14:23:46 +00:00
README

README 

file: libstdc++-v3/README

New users may wish to point their web browsers to the file
index.html in the 'doc/html' subdirectory.  It contains brief
building instructions and notes on how to configure the library in
interesting ways.