From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 60ED3385E44D; Tue, 11 Jun 2024 18:07:49 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 60ED3385E44D DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1718129269; bh=cSiZ9NWCAaWjTafs4dWoAOZ5xkgjxqAMPS1nul7JC6k=; h=From:To:Subject:Date:In-Reply-To:References:From; b=NWULmu64J14gK4khK5686XL9NeSyx1hAazj+oQP0J+P+B7Wyh+mVfjAljitzD9dh0 X0/Jvk+DvrC3IQewFcheOhwug3aDbxvwJPX8+f0Bwixmy9FB4O52B/4WPfZk6DSx5/ 633zskyRk8Fca+aaMrklyQii2fXTovUTo7B55H2M= From: "cvs-commit at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/111632] gcc fails to bootstrap when using libc++ Date: Tue, 11 Jun 2024 18:07:49 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: build, patch X-Bugzilla-Severity: normal X-Bugzilla-Who: cvs-commit at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111632 --- Comment #35 from GCC Commits --- The releases/gcc-12 branch has been updated by Iain D Sandoe : https://gcc.gnu.org/g:a995fded34fe488153b06bb41e026277f01efded commit r12-10548-ga995fded34fe488153b06bb41e026277f01efded Author: Francois-Xavier Coudert Date: Thu Mar 7 14:36:03 2024 +0100 Include safe-ctype.h after C++ standard headers, to avoid over-poisoning When building gcc's C++ sources against recent libc++, the poisoning of the ctype macros due to including safe-ctype.h before including C++ standard headers such as , , etc, causes many compilation errors, similar to: In file included from /home/dim/src/gcc/master/gcc/gensupport.cc:23: In file included from /home/dim/src/gcc/master/gcc/system.h:233: In file included from /usr/include/c++/v1/vector:321: In file included from /usr/include/c++/v1/__format/formatter_bool.h:20: In file included from /usr/include/c++/v1/__format/formatter_integral.h:32: In file included from /usr/include/c++/v1/locale:202: /usr/include/c++/v1/__locale:546:5: error: '__abi_tag__' attribute only applies to structs, variables, functions, and namespaces 546 | _LIBCPP_INLINE_VISIBILITY | ^ /usr/include/c++/v1/__config:813:37: note: expanded from macro '_LIBCPP_INLINE_VISIBILITY' 813 | # define _LIBCPP_INLINE_VISIBILITY _LIBCPP_HIDE_FROM_ABI | ^ /usr/include/c++/v1/__config:792:26: note: expanded from macro '_LIBCPP_HIDE_FROM_ABI' 792 | __attribute__((__abi_tag__(_LIBCPP_TOSTRING( _LIBCPP_VERSIONED_IDENTIFIER)))) | ^ In file included from /home/dim/src/gcc/master/gcc/gensupport.cc:23: In file included from /home/dim/src/gcc/master/gcc/system.h:233: In file included from /usr/include/c++/v1/vector:321: In file included from /usr/include/c++/v1/__format/formatter_bool.h:20: In file included from /usr/include/c++/v1/__format/formatter_integral.h:32: In file included from /usr/include/c++/v1/locale:202: /usr/include/c++/v1/__locale:547:37: error: expected ';' at end of declaration list 547 | char_type toupper(char_type __c) const | ^ /usr/include/c++/v1/__locale:553:48: error: too many arguments provided to function-like macro invocation 553 | const char_type* toupper(char_type* __low, const char_type* __high) const | ^ /home/dim/src/gcc/master/gcc/../include/safe-ctype.h:146:9: note: macro 'toupper' defined here 146 | #define toupper(c) do_not_use_toupper_with_safe_ctype | ^ This is because libc++ uses different transitive includes than libstdc++, and some of those transitive includes pull in various ctype declarations (typically via ). There was already a special case for including before safe-ctype.h, so move the rest of the C++ standard header includes to the same location, to fix the problem. PR middle-end/111632 gcc/ChangeLog: * system.h: Include safe-ctype.h after C++ standard headers. Signed-off-by: Dimitry Andric (cherry picked from commit 9970b576b7e4ae337af1268395ff221348c4b34a)=