From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
	id 306A33858C2B; Fri, 14 Jul 2023 09:58:09 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 306A33858C2B
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org;
	s=default; t=1689328689;
	bh=yYXbVE89FALRZA4QRYWE6JACL6LPwyhZvOi/XflJqLs=;
	h=From:To:Subject:Date:In-Reply-To:References:From;
	b=suUhttNRA/LjydUwT/8fK678B45J7dCEmd6oChVNXatwH+Q1x5Ixuda/Zd0GAePRY
	 uwJIWHEYhUMvflR68hHFCEgmJenZxaBrk3loP0Uwux+kx22ieY9cemY+m1WvlZ3Vep
	 FL33yJyX+vo1SwfRFMIvE7K9bLyG2tfka0ssWyo8=
From: "redi at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug libstdc++/110653] Support std::stoi etc. without C99 APIs
Date: Fri, 14 Jul 2023 09:58:07 +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: 14.0
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: redi at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: redi at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-110653-4-Si5ooGPWW4@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-110653-4@http.gcc.gnu.org/bugzilla/>
References: <bug-110653-4@http.gcc.gnu.org/bugzilla/>
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: <gcc-bugs.sourceware.org>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110653

--- Comment #10 from Jonathan Wakely <redi at gcc dot gnu.org> ---
And this should fix it:

--- a/libstdc++-v3/include/c_global/cstdlib
+++ b/libstdc++-v3/include/c_global/cstdlib
@@ -256,6 +256,20 @@ namespace std
   using ::__gnu_cxx::strtold;
 } // namespace std

+#else  // ! _GLIBCXX_USE_C99_STDLIB
+
+// We also check for strtof and strtold separately from
_GLIBCXX_USE_C99_STDLIB
+
+#if _GLIBCXX_HAVE_STRTOF
+#undef strtof
+namespace std { using ::strtof; }
+#endif
+
+#if _GLIBCXX_HAVE_STRTOLD
+#undef strtold
+namespace std { using ::strtold; }
+#endif
+
 #endif // _GLIBCXX_USE_C99_STDLIB

 } // extern "C++"=