Date: Sun, 21 Jun 2026 11:35:01 +0100 From: Nuno Teixeira <eduardo@freebsd.org> To: Warner Losh <imp@freebsd.org> Cc: src-committers@freebsd.org, dev-commits-src-all@freebsd.org, dev-commits-src-main@freebsd.org, Faraz Vahedi <kfv@kfv.io> Subject: Re: git: 28cecfe27964 - main - libc: Restrict ATOMIC_VAR_INIT for C23 conformance Message-ID: <CAFDf7UKQc0gH2M=Vj-4FNzXKytQ%2B1jPM6x6hn962Tju6ekO8Gg@mail.gmail.com> In-Reply-To: <6a35ddd3.22963.721d614@gitrepo.freebsd.org>
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[-- Attachment #1 --]
Hello,
(poudriere-devel build at main-n286792-eafa181d51f7: Sat Jun 20)
I've found that ports-mgmt/portfmt started failing with:
...
FAILED: [code=1]
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o
cc -std=gnu11 -O2 -g -W -Wall -Wextra -Wmissing-prototypes
-Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -flto=thin -O2
-pipe -fstack-protector-strong -fno-strict-aliasing
-Wno-strict-prototypes -DPORTFMT_SUBPACKAGES=0 -MD -MF
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o.d
-I/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build
-I/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6 -c -o
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:59:38:
warning: call to undeclared function 'ATOMIC_VAR_INIT'; ISO C99 and later
do not support implicit function declarations
[-Wimplicit-function-declaration]
59 | static atomic_int status_requested = ATOMIC_VAR_INIT(0);
| ^
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:59:38:
error: initializer element is not a compile-time constant
59 | static atomic_int status_requested = ATOMIC_VAR_INIT(0);
| ^~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:60:32:
error: initializer element is not a compile-time constant
60 | static atomic_size_t scanned = ATOMIC_VAR_INIT(0);
| ^~~~~~~~~~~~~~~~~~
1 warning and 2 errors generated.
...
Same for devel/qt6-base:
...
FAILED: [code=1] src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o
/usr/bin/cc -DBACKTRACE_HEADER=\"execinfo.h\" -DCore_EXPORTS
-DQT_ASCII_CAST_WARNINGS -DQT_BUILDING_QT -DQT_BUILD_CORE_LIB
-DQT_DEPRECATED_WARNINGS -DQT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH
-DQT_LEAN_HEADERS=1 -
DQT_MOC_COMPAT -DQT_NO_CAST_TO_ASCII -DQT_NO_CONTEXTLESS_CONNECT
-DQT_NO_DEBUG -DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS
-DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_QASCONST -DQT_NO_QEXCHANGE
-DQT_NO_QPAI
R -DQT_NO_QSNPRINTF -DQT_NO_SINGLE_ARGUMENT_QHASH_OVERLOAD=1
-DQT_NO_STD_FORMAT_SUPPORT -DQT_NO_USING_NAMESPACE -DQT_TYPESAFE_FLAGS
-DQT_USE_NODISCARD_FILE_OPEN -DQT_USE_QSTRINGBUILDER -D_LARGEFILE64_SOURCE
-D_LA
RGEFILE_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/Core_autogen/include
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include -I/wrkd
irs/usr/ports/devel/qt6-base/work/.build/include/QtCore
-I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib -I/wrkdirs/usr
/ports/devel/qt6-base/work/.build/src/corelib/global
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/kernel
-I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/../3rdpart
y/tinycbor/src
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include/QtCore/6.11.1
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include/QtCore/6.11.1/QtCore
-I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-ev
erywhere-src-6.11.1/src/corelib/../3rdparty/forkfd
-I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/.rcc
-I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/mkspecs/freebsd-clang
-isy
stem /usr/local/include -isystem /usr/local/include/glib-2.0 -isystem
/usr/local/lib/glib-2.0/include -O2 -pipe -fstack-protector-strong
-fno-strict-aliasing -pipe -fstack-protector-strong -fno-strict-aliasing
-DNDEBUG -O3 -std=gnu11 -fPIC -fvisibility=hidden -Wall -Wextra -pthread
-fcf-protection=full -ftrivial-auto-var-init=pattern
-fstack-protector-strong -fexceptions -MD -MT
src/corelib/CMakeFiles/Core.dir/io/fork
fd_qt.c.o -MF src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o.d -o
src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o -c
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt
.c
In file included from
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:162:39:
warning: call to undeclared function 'ATOMIC_VAR_INIT'; ISO C99 and later
do not support i
mplicit function declarations [-Wimplicit-function-declaration]
162 | static ffd_atomic_int forkfd_status = FFD_ATOMIC_INIT(0);
| ^
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37:
note: expanded from macro 'FFD_ATOMIC_INIT'
54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)
| ^
In file included from
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:162:39:
error: initializer element is not a compile-time constant
162 | static ffd_atomic_int forkfd_status = FFD_ATOMIC_INIT(0);
| ^~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37:
note: expanded from macro 'FFD_ATOMIC_INIT'
54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)
| ^~~~~~~~~~~~~~~~~~~~
In file included from
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:
In file included from
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:930:
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_freebsd.c:45:45:
error: initializer element is not a compile-time constant
45 | static ffd_atomic_int system_forkfd_state = FFD_ATOMIC_INIT(1);
| ^~~~~~~~~~~~~~~~~~
/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37:
note: expanded from macro 'FFD_ATOMIC_INIT'
54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)
| ^~~~~~~~~~~~~~~~~~~~
1 warning and 2 errors generated.
...
Thanks,
Warner Losh <imp@freebsd.org> escreveu (sábado, 20/06/2026 à(s) 01:25):
> The branch main has been updated by imp:
>
> URL:
> https://cgit.FreeBSD.org/src/commit/?id=28cecfe27964fdb67497800f5dcd5d3e1033727f
>
> commit 28cecfe27964fdb67497800f5dcd5d3e1033727f
> Author: Faraz Vahedi <kfv@kfv.io>
> AuthorDate: 2026-05-01 14:34:44 +0000
> Commit: Warner Losh <imp@FreeBSD.org>
> CommitDate: 2026-06-20 00:23:28 +0000
>
> libc: Restrict ATOMIC_VAR_INIT for C23 conformance
>
> Omit `ATOMIC_VAR_INIT` when targeting C23, where it has been removed.
> Retain it for earlier C standards and for C++ (as it still remains in
> C++23, albeit marked as deprecated since C17 and C++20.)
>
> Also separate `atomic_init` definitions from `ATOMIC_VAR_INIT` to
> avoid coupling with a deprecated initialisation mechanism.
>
> No functional change intended for `atomic_init`; this is purely a
> conformance and cleanup adjustment.
>
> Signed-off-by: Faraz Vahedi <kfv@kfv.io>
> Reviewed by: imp
> Pull Request: https://github.com/freebsd/freebsd-src/pull/2185
> ---
> sys/sys/stdatomic.h | 8 +++++++-
> 1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/sys/sys/stdatomic.h b/sys/sys/stdatomic.h
> index c3f9b217519c..2d565ce991be 100644
> --- a/sys/sys/stdatomic.h
> +++ b/sys/sys/stdatomic.h
> @@ -86,11 +86,17 @@
> * 7.17.2 Initialization.
> */
>
> +#if __ISO_C_VISIBLE < 2023 || defined(__cplusplus)
> #if defined(__CLANG_ATOMICS)
> #define ATOMIC_VAR_INIT(value) (value)
> -#define atomic_init(obj, value) __c11_atomic_init(obj,
> value)
> #else
> #define ATOMIC_VAR_INIT(value) { .__val = (value) }
> +#endif
> +#endif
> +
> +#if defined(__CLANG_ATOMICS)
> +#define atomic_init(obj, value) __c11_atomic_init(obj,
> value)
> +#else
> #define atomic_init(obj, value) ((void)((obj)->__val =
> (value)))
> #endif
>
>
>
--
Nuno Teixeira
FreeBSD UNIX: <eduardo@FreeBSD.org> Web: https://FreeBSD.org
[-- Attachment #2 --]
<div dir="ltr"><div><div><div>Hello,<br><br></div><div>(poudriere-devel build at main-n286792-eafa181d51f7: Sat Jun 20)</div><div><br></div>I've found that ports-mgmt/portfmt started failing with:<br>...<br>FAILED: [code=1] /wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o<br>cc -std=gnu11 -O2 -g -W -Wall -Wextra -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter -flto=thin -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -Wno-strict-prototypes -DPORTFMT_SUBPACKAGES=0 -MD -MF /wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o.d -I/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build -I/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6 -c -o /wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/_build/portscan/status.o /wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c<br>/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:59:38: warning: call to undeclared function 'ATOMIC_VAR_INIT'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]<br> 59 | static atomic_int status_requested = ATOMIC_VAR_INIT(0);<br> | ^<br>/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:59:38: error: initializer element is not a compile-time constant<br> 59 | static atomic_int status_requested = ATOMIC_VAR_INIT(0);<br> | ^~~~~~~~~~~~~~~~~~<br>/wrkdirs/usr/ports/ports-mgmt/portfmt/work/portfmt-1.1.6/portscan/status.c:60:32: error: initializer element is not a compile-time constant<br> 60 | static atomic_size_t scanned = ATOMIC_VAR_INIT(0);<br> | ^~~~~~~~~~~~~~~~~~<br>1 warning and 2 errors generated.<br>...<br><br></div>Same for devel/qt6-base:<br><br>...<br>FAILED: [code=1] src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o<br>/usr/bin/cc -DBACKTRACE_HEADER=\"execinfo.h\" -DCore_EXPORTS -DQT_ASCII_CAST_WARNINGS -DQT_BUILDING_QT -DQT_BUILD_CORE_LIB -DQT_DEPRECATED_WARNINGS -DQT_EXPLICIT_QFILE_CONSTRUCTION_FROM_PATH -DQT_LEAN_HEADERS=1 -<br>DQT_MOC_COMPAT -DQT_NO_CAST_TO_ASCII -DQT_NO_CONTEXTLESS_CONNECT -DQT_NO_DEBUG -DQT_NO_FOREACH -DQT_NO_JAVA_STYLE_ITERATORS -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT -DQT_NO_QASCONST -DQT_NO_QEXCHANGE -DQT_NO_QPAI<br>R -DQT_NO_QSNPRINTF -DQT_NO_SINGLE_ARGUMENT_QHASH_OVERLOAD=1 -DQT_NO_STD_FORMAT_SUPPORT -DQT_NO_USING_NAMESPACE -DQT_TYPESAFE_FLAGS -DQT_USE_NODISCARD_FILE_OPEN -DQT_USE_QSTRINGBUILDER -D_LARGEFILE64_SOURCE -D_LA<br>RGEFILE_SOURCE -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_FAST -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/Core_autogen/include -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include -I/wrkd<br>irs/usr/ports/devel/qt6-base/work/.build/include/QtCore -I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib -I/wrkdirs/usr<br>/ports/devel/qt6-base/work/.build/src/corelib/global -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/kernel -I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/../3rdpart<br>y/tinycbor/src -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include/QtCore/6.11.1 -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/include/QtCore/6.11.1/QtCore -I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-ev<br>erywhere-src-6.11.1/src/corelib/../3rdparty/forkfd -I/wrkdirs/usr/ports/devel/qt6-base/work/.build/src/corelib/.rcc -I/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/mkspecs/freebsd-clang -isy<br>stem /usr/local/include -isystem /usr/local/include/glib-2.0 -isystem /usr/local/lib/glib-2.0/include -O2 -pipe -fstack-protector-strong -fno-strict-aliasing -pipe -fstack-protector-strong -fno-strict-aliasing<br> -DNDEBUG -O3 -std=gnu11 -fPIC -fvisibility=hidden -Wall -Wextra -pthread -fcf-protection=full -ftrivial-auto-var-init=pattern -fstack-protector-strong -fexceptions -MD -MT src/corelib/CMakeFiles/Core.dir/io/fork<br>fd_qt.c.o -MF src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o.d -o src/corelib/CMakeFiles/Core.dir/io/forkfd_qt.c.o -c /wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt<br>.c<br>In file included from /wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:162:39: warning: call to undeclared function 'ATOMIC_VAR_INIT'; ISO C99 and later do not support i<br>mplicit function declarations [-Wimplicit-function-declaration]<br> 162 | static ffd_atomic_int forkfd_status = FFD_ATOMIC_INIT(0);<br> | ^<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37: note: expanded from macro 'FFD_ATOMIC_INIT'<br> 54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)<br> | ^<br>In file included from /wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:162:39: error: initializer element is not a compile-time constant<br> 162 | static ffd_atomic_int forkfd_status = FFD_ATOMIC_INIT(0);<br> | ^~~~~~~~~~~~~~~~~~<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37: note: expanded from macro 'FFD_ATOMIC_INIT'<br> 54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)<br> | ^~~~~~~~~~~~~~~~~~~~<br>In file included from /wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/forkfd_qt.c:16:<br>In file included from /wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd.c:930:<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_freebsd.c:45:45: error: initializer element is not a compile-time constant<br> 45 | static ffd_atomic_int system_forkfd_state = FFD_ATOMIC_INIT(1);<br> | ^~~~~~~~~~~~~~~~~~<br>/wrkdirs/usr/ports/devel/qt6-base/work/qtbase-everywhere-src-6.11.1/src/corelib/io/../../3rdparty/forkfd/forkfd_c11.h:54:37: note: expanded from macro 'FFD_ATOMIC_INIT'<br> 54 | #define FFD_ATOMIC_INIT(val) ATOMIC_VAR_INIT(val)<br> | ^~~~~~~~~~~~~~~~~~~~<br>1 warning and 2 errors generated.<br>...<br><br></div>Thanks,</div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">Warner Losh <<a href="mailto:imp@freebsd.org">imp@freebsd.org</a>> escreveu (sábado, 20/06/2026 à(s) 01:25):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">The branch main has been updated by imp:<br>
<br>
URL: <a href="https://cgit.FreeBSD.org/src/commit/?id=28cecfe27964fdb67497800f5dcd5d3e1033727f" rel="noreferrer" target="_blank">https://cgit.FreeBSD.org/src/commit/?id=28cecfe27964fdb67497800f5dcd5d3e1033727f</a><br>;
<br>
commit 28cecfe27964fdb67497800f5dcd5d3e1033727f<br>
Author: Faraz Vahedi <<a href="mailto:kfv@kfv.io" target="_blank">kfv@kfv.io</a>><br>
AuthorDate: 2026-05-01 14:34:44 +0000<br>
Commit: Warner Losh <imp@FreeBSD.org><br>
CommitDate: 2026-06-20 00:23:28 +0000<br>
<br>
libc: Restrict ATOMIC_VAR_INIT for C23 conformance<br>
<br>
Omit `ATOMIC_VAR_INIT` when targeting C23, where it has been removed.<br>
Retain it for earlier C standards and for C++ (as it still remains in<br>
C++23, albeit marked as deprecated since C17 and C++20.)<br>
<br>
Also separate `atomic_init` definitions from `ATOMIC_VAR_INIT` to<br>
avoid coupling with a deprecated initialisation mechanism.<br>
<br>
No functional change intended for `atomic_init`; this is purely a<br>
conformance and cleanup adjustment.<br>
<br>
Signed-off-by: Faraz Vahedi <<a href="mailto:kfv@kfv.io" target="_blank">kfv@kfv.io</a>><br>
Reviewed by: imp<br>
Pull Request: <a href="https://github.com/freebsd/freebsd-src/pull/2185" rel="noreferrer" target="_blank">https://github.com/freebsd/freebsd-src/pull/2185</a><br>;
---<br>
sys/sys/stdatomic.h | 8 +++++++-<br>
1 file changed, 7 insertions(+), 1 deletion(-)<br>
<br>
diff --git a/sys/sys/stdatomic.h b/sys/sys/stdatomic.h<br>
index c3f9b217519c..2d565ce991be 100644<br>
--- a/sys/sys/stdatomic.h<br>
+++ b/sys/sys/stdatomic.h<br>
@@ -86,11 +86,17 @@<br>
* 7.17.2 Initialization.<br>
*/<br>
<br>
+#if __ISO_C_VISIBLE < 2023 || defined(__cplusplus)<br>
#if defined(__CLANG_ATOMICS)<br>
#define ATOMIC_VAR_INIT(value) (value)<br>
-#define atomic_init(obj, value) __c11_atomic_init(obj, value)<br>
#else<br>
#define ATOMIC_VAR_INIT(value) { .__val = (value) }<br>
+#endif<br>
+#endif<br>
+<br>
+#if defined(__CLANG_ATOMICS)<br>
+#define atomic_init(obj, value) __c11_atomic_init(obj, value)<br>
+#else<br>
#define atomic_init(obj, value) ((void)((obj)->__val = (value)))<br>
#endif<br>
<br>
<br>
</blockquote></div><div><br clear="all"></div><br><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div><font color="#888888">Nuno Teixeira</font></div><div><div><font color="#888888">
FreeBSD UNIX: <eduardo@FreeBSD.org> Web: <a href="https://FreeBSD.org" rel="noreferrer" target="_blank">https://FreeBSD.org</a><br></font></div></div></div></div>;
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