{"id":2218952,"url":"http://patchwork.ozlabs.org/api/patches/2218952/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/patch/20260402071500.884224-1-jwakely@redhat.com/","project":{"id":17,"url":"http://patchwork.ozlabs.org/api/projects/17/?format=json","name":"GNU Compiler Collection","link_name":"gcc","list_id":"gcc-patches.gcc.gnu.org","list_email":"gcc-patches@gcc.gnu.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260402071500.884224-1-jwakely@redhat.com>","list_archive_url":null,"date":"2026-04-02T07:14:06","name":"[v2] libstdc++: Fix export for std::dynamic_format and macro value","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5fc85ab3e955728a1f248b48a1099a0d9f8efb17","submitter":{"id":48004,"url":"http://patchwork.ozlabs.org/api/people/48004/?format=json","name":"Jonathan Wakely","email":"jwakely@redhat.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/gcc/patch/20260402071500.884224-1-jwakely@redhat.com/mbox/","series":[{"id":498441,"url":"http://patchwork.ozlabs.org/api/series/498441/?format=json","web_url":"http://patchwork.ozlabs.org/project/gcc/list/?series=498441","date":"2026-04-02T07:14:06","name":"[v2] libstdc++: Fix export for std::dynamic_format and macro value","version":2,"mbox":"http://patchwork.ozlabs.org/series/498441/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2218952/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2218952/checks/","tags":{},"related":[],"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=Y0kjOIqs;\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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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com;\n s=mimecast20190719; t=1775114106;\n h=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n content-transfer-encoding:content-transfer-encoding;\n bh=NMH5hX6DSwqt+SkHidT+syohF72hjwI9RgOIfJ2Docs=;\n b=Y0kjOIqsOxXnwAwOazPo3X9SWy7oDQfsKI797VpUZ56QKNayc2Q7FGNclx1ckO1tHub+tO\n B1hiDupnHr3G1ROG+xSuCImX5abUtqCwGUQ/y4DX7gvxTlPPnVV5/WIA+mn7gpnXic2kA1\n 9Vj5MAGhdM2X4P8HDfoGmfG4e2CJm4o=","X-MC-Unique":"TdGBdS2cPMCz028g_wKHuQ-1","X-Mimecast-MFC-AGG-ID":"TdGBdS2cPMCz028g_wKHuQ_1775114104","From":"Jonathan Wakely ","To":"gcc-patches@gcc.gnu.org,\n\tlibstdc++@gcc.gnu.org","Cc":"=?utf-8?q?Tomasz_Kami=C5=84ski?= ","Subject":"[PATCH v2] libstdc++: Fix export for std::dynamic_format and macro\n value","Date":"Thu, 2 Apr 2026 08:14:06 +0100","Message-ID":"<20260402071500.884224-1-jwakely@redhat.com>","MIME-Version":"1.0","X-Scanned-By":"MIMEDefang 3.4.1 on 10.30.177.111","X-Mimecast-Spam-Score":"0","X-Mimecast-MFC-PROC-ID":"gRDkGGa5J0AcdQTqfu1ZRs9Dy47ez6hI8ZMRwnQVtEc_1775114104","X-Mimecast-Originator":"redhat.com","Content-Type":"text/plain","Content-Transfer-Encoding":"8bit","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"},"content":"Fix std.cc.in to export the new name for std::dynamic_format.\n\nAlso update the checks against __cpp_lib_format to use the new value.\nThis doesn't matter in practice, but strictly speaking the right value\nfor defining std::dynamic_format is 202603 not 202311 (which was the\nmacro value for the old name, std::runtime_format).\n\nlibstdc++-v3/ChangeLog:\n\n\t* include/std/format (dynamic_format): Check new value for\n\tfeature test macro.\n\t* src/c++23/std.cc.in (dynamic_format): Fix export to use new\n\tname.\n---\n\nThis was missing from the commit to rename it.\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(-)","diff":"diff --git a/libstdc++-v3/include/std/format b/libstdc++-v3/include/std/format\nindex 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\ndiff --git a/libstdc++-v3/src/c++23/std.cc.in b/libstdc++-v3/src/c++23/std.cc.in\nindex 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","prefixes":["v2"]}