From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 58F243857C7A; Sat, 24 Jul 2021 23:29:24 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 58F243857C7A From: "isuruf at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/80196] fenv_t not declared Date: Sat, 24 Jul 2021 23:29:24 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Version: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: isuruf at gmail dot com X-Bugzilla-Status: REOPENED 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 24 Jul 2021 23:29:24 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D80196 --- Comment #12 from Isuru Fernando --- I patched libstdc++-v3/acinclude.m4 to add -nostdinc++ in GLIBCXX_INCLUDES = and it worked for me. (My previous analysis was wrong. This issue is in canadian cross compilers where GXX_FOR_TARGET includes its own C++ headers, but with native compilers GXX_FOR_TARGET is xgcc which doesn't include C++ headers by default)=