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From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/63287] __STDCPP_THREADS__ is not defined Date: Thu, 12 Nov 2020 19:03:23 +0000 [thread overview] Message-ID: <bug-63287-4-BPSDr42UDf@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-63287-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63287 --- Comment #4 from Jonathan Wakely <redi at gcc dot gnu.org> --- Library patch: diff --git a/libgcc/gthr.h b/libgcc/gthr.h index f31cf083cbe5..e6462679b362 100644 --- a/libgcc/gthr.h +++ b/libgcc/gthr.h @@ -147,6 +147,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif #include "gthr-default.h" +#if defined __GTHREADS_CXX0X && ! defined __STDCPP_THREADS__ +// The C++ standard says that __STDCPP_THREADS__ should be defined to 1, +// but G++ does not currently do that (PR c++/63287). +// Define it here if gthr-default.h defined __GTHREADS_CXX0X. +# define __STDCPP_THREADS__ 1 +#endif + #ifndef HIDE_EXPORTS #pragma GCC visibility pop #endif diff --git a/libstdc++-v3/include/Makefile.am b/libstdc++-v3/include/Makefile.am index 292d89da8ba7..74e3e4932579 100644 --- a/libstdc++-v3/include/Makefile.am +++ b/libstdc++-v3/include/Makefile.am @@ -1316,6 +1316,7 @@ uppercase = [ABCDEFGHIJKLMNOPQRSTUVWXYZ_] ${host_builddir}/gthr.h: ${toplevel_srcdir}/libgcc/gthr.h stamp-${host_alias} sed -e '/^#pragma/b' \ + -e '/__STDCPP_THREADS__/b' \ -e '/^#/s/\(${uppercase}${uppercase}*\)/_GLIBCXX_\1/g' \ -e 's/_GLIBCXX_SUPPORTS_WEAK/__GXX_WEAK__/g' \ -e 's/_GLIBCXX___MINGW32_GLIBCXX___/__MINGW32__/g' \
next prev parent reply other threads:[~2020-11-12 19:03 UTC|newest] Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-09-17 15:49 [Bug c++/63287] New: " redi at gcc dot gnu.org 2014-09-17 15:50 ` [Bug c++/63287] " redi at gcc dot gnu.org 2015-01-17 20:44 ` redi at gcc dot gnu.org 2020-11-12 18:19 ` redi at gcc dot gnu.org 2020-11-12 19:03 ` redi at gcc dot gnu.org [this message] 2020-11-13 12:36 ` redi at gcc dot gnu.org 2020-11-13 22:26 ` cvs-commit at gcc dot gnu.org
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