[{"id":3672571,"web_url":"http://patchwork.ozlabs.org/comment/3672571/","msgid":"","list_archive_url":null,"date":"2026-04-02T07:16:19","subject":"Re: [PATCH v2] libstdc++: Fix export for std::dynamic_format and\n macro value","submitter":{"id":90409,"url":"http://patchwork.ozlabs.org/api/people/90409/","name":"Tomasz Kaminski","email":"tkaminsk@redhat.com"},"content":"On Thu, Apr 2, 2026 at 9:15 AM Jonathan Wakely wrote:\n\n> Fix std.cc.in to export the new name for std::dynamic_format.\n>\n> Also update the checks against __cpp_lib_format to use the new value.\n> This doesn't matter in practice, but strictly speaking the right value\n> for defining std::dynamic_format is 202603 not 202311 (which was the\n> macro value for the old name, std::runtime_format).\n>\n> libstdc++-v3/ChangeLog:\n>\n> * include/std/format (dynamic_format): Check new value for\n> feature test macro.\n> * src/c++23/std.cc.in (dynamic_format): Fix export to use new\n> name.\n> ---\n>\n> This was missing from the commit to rename it.\n>\nI have just pushed the exports rename for runtime_format and saturation\narithmetic to trunk.\n\n>\n> libstdc++-v3/include/std/format | 2 +-\n> libstdc++-v3/src/c++23/std.cc.in | 4 ++--\n> 2 files changed, 3 insertions(+), 3 deletions(-)\n>\n> diff --git a/libstdc++-v3/include/std/format\n> b/libstdc++-v3/include/std/format\n> index 2bcd06822b75..eca5bd213aa0 100644\n> --- a/libstdc++-v3/include/std/format\n> +++ b/libstdc++-v3/include/std/format\n> @@ -195,7 +195,7 @@ namespace __format\n> = basic_format_string...>;\n> #endif\n>\n> -#if __cpp_lib_format >= 202311L // >= C++26\n> +#if __cpp_lib_format >= 202603L // >= C++26\n> [[__gnu__::__always_inline__]]\n> inline __format::_Dynamic_format_string\n> dynamic_format(string_view __fmt) noexcept\n> diff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/\n> std.cc.in\n> index 1e174b85af1b..41a9e6c205af 100644\n> --- a/libstdc++-v3/src/c++23/std.cc.in\n> +++ b/libstdc++-v3/src/c++23/std.cc.in\n> @@ -1369,8 +1369,8 @@ export namespace std\n> using std::formatter;\n> using std::make_format_args;\n> using std::make_wformat_args;\n> -#if __cpp_lib_format >= 202311L // >= C++26\n> - using std::runtime_format;\n> +#if __cpp_lib_format >= 202603L // >= C++26\n> + using std::dynamic_format;\n> #endif\n> using std::vformat;\n> using std::vformat_to;\n> --\n> 2.53.0\n>\n>","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=HGkfd4qE;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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Thu, 02 Apr 2026\n 00:16:31 -0700 (PDT)"],"MIME-Version":"1.0","References":"<20260402071500.884224-1-jwakely@redhat.com>","In-Reply-To":"<20260402071500.884224-1-jwakely@redhat.com>","From":"Tomasz Kaminski ","Date":"Thu, 2 Apr 2026 09:16:19 +0200","X-Gm-Features":"AQROBzBr67leHUr0xiPhQDJaJ10FaN_QrNO4SRVpcrkc-nbRR8TkggHEQS_9fj4","Message-ID":"\n ","Subject":"Re: [PATCH v2] libstdc++: Fix export for std::dynamic_format and\n macro value","To":"Jonathan Wakely ","Cc":"gcc-patches@gcc.gnu.org, libstdc++@gcc.gnu.org","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"pnK1i6tg7Bp6-jx1Gcd_tFS0yTJjoYaWQCdB5nFdY9M_1775114191","X-Mimecast-Originator":"redhat.com","Content-Type":"multipart/alternative; boundary=\"000000000000cb4e1c064e74fa97\"","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"}},{"id":3672574,"web_url":"http://patchwork.ozlabs.org/comment/3672574/","msgid":"","list_archive_url":null,"date":"2026-04-02T07:20:50","subject":"Re: [PATCH v2] libstdc++: Fix export for std::dynamic_format and\n macro value","submitter":{"id":48004,"url":"http://patchwork.ozlabs.org/api/people/48004/","name":"Jonathan Wakely","email":"jwakely@redhat.com"},"content":"On Thu, 2 Apr 2026 at 08:16, Tomasz Kaminski wrote:\n>\n>\n>\n> On Thu, Apr 2, 2026 at 9:15 AM Jonathan Wakely wrote:\n>>\n>> Fix std.cc.in to export the new name for std::dynamic_format.\n>>\n>> Also update the checks against __cpp_lib_format to use the new value.\n>> This doesn't matter in practice, but strictly speaking the right value\n>> for defining std::dynamic_format is 202603 not 202311 (which was the\n>> macro value for the old name, std::runtime_format).\n>>\n>> libstdc++-v3/ChangeLog:\n>>\n>> * include/std/format (dynamic_format): Check new value for\n>> feature test macro.\n>> * src/c++23/std.cc.in (dynamic_format): Fix export to use new\n>> name.\n>> ---\n>>\n>> This was missing from the commit to rename it.\n>\n> I have just pushed the exports rename for runtime_format and saturation arithmetic to trunk.\n\nThanks, I'll just push the v1 patch then.\n\n>>\n>>\n>> libstdc++-v3/include/std/format | 2 +-\n>> libstdc++-v3/src/c++23/std.cc.in | 4 ++--\n>> 2 files changed, 3 insertions(+), 3 deletions(-)\n>>\n>> diff --git a/libstdc++-v3/include/std/format b/libstdc++-v3/include/std/format\n>> index 2bcd06822b75..eca5bd213aa0 100644\n>> --- a/libstdc++-v3/include/std/format\n>> +++ b/libstdc++-v3/include/std/format\n>> @@ -195,7 +195,7 @@ namespace __format\n>> = basic_format_string...>;\n>> #endif\n>>\n>> -#if __cpp_lib_format >= 202311L // >= C++26\n>> +#if __cpp_lib_format >= 202603L // >= C++26\n>> [[__gnu__::__always_inline__]]\n>> inline __format::_Dynamic_format_string\n>> dynamic_format(string_view __fmt) noexcept\n>> diff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in\n>> index 1e174b85af1b..41a9e6c205af 100644\n>> --- a/libstdc++-v3/src/c++23/std.cc.in\n>> +++ b/libstdc++-v3/src/c++23/std.cc.in\n>> @@ -1369,8 +1369,8 @@ export namespace std\n>> using std::formatter;\n>> using std::make_format_args;\n>> using std::make_wformat_args;\n>> -#if __cpp_lib_format >= 202311L // >= C++26\n>> - using std::runtime_format;\n>> +#if __cpp_lib_format >= 202603L // >= C++26\n>> + using std::dynamic_format;\n>> #endif\n>> using std::vformat;\n>> using std::vformat_to;\n>> --\n>> 2.53.0\n>>","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256\n header.s=mimecast20190719 header.b=DXW7ICHQ;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=2620:52:6:3111::32; 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