From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from m15-112.126.com (m15-112.126.com [220.181.15.112]) by sourceware.org (Postfix) with ESMTPS id E3277386F442 for ; Wed, 6 May 2020 05:36:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org E3277386F442 Received: from [192.168.1.2] (unknown [101.86.244.84]) by smtp2 (Coremail) with SMTP id DMmowAA3bQHRTLJeB+KhCg--.38258S2; Wed, 06 May 2020 13:36:19 +0800 (CST) From: Liu Hao Subject: mingw-w64 and __attribute__((format(printf))) issue Openpgp: preference=signencrypt Autocrypt: addr=lh_mouse@126.com; keydata= mQINBFvNzjsBEADgRSHQwFcRdrKpmUxYOyjJKduTZgGP90O0ZrSUzqjuM5x/0NpjgV3PRk7S OWMJAQ3u66jyG/iZnMzpIca+gdObCtaqHPG5NyOwlUjlQcRI7tTaJWGjwVTco2np6z1msAkE L4dRCwVaud5U8LoukcQcuBiCrsdx2Sp9QUR33lUEfQajks0HKFvHHqdooHiflEY89lLpcM18 r+VMXviPrBPBoYesvYWSWLEDKnAkxl+y2KjPFnCUYFh4eHlh2GndUGPZMCYqu8t8EJcfl/Zp nRkHjRDhqwNHHj2JCTO2U12H25G0C2pvlbeZNTDnTp7m0YGsnp6RO4sFYxQE0f4rxqA1K7BP gBdlqdOJO/CasCMNeGqjP1lcSIJ38/EBLR/GyM7yNwT9P1oowy3KE+w0NlSrWxLU4zs873Ev SKx33xcmyVkZyZjMWA+OFt4LM57fK/CwJc3C0yFYJsutpP0espCr2IJLGEcP/srL71SRFZ9I nZBnV3uyWPxWDvjB0tDLmXCi1I7Uprz607yCjxEiHlclk1KSrRizRL/XJNbz3TxqbiwRjp6+ u2OJZv1j8XGb6XCWdEEyQYS47pFLHthocdlTutrHjFFMYIh8jvcX2ulX3I2aWuiqyGep32Zd gLxWCk4VdKnmLVMG53ERTXKR/GfH31uwWRpD212Zq1VU6weeVwARAQABtBpMaXUgSGFvIDxs aF9tb3VzZUAxMjYuY29tPokCVAQTAQoAPhYhBJ/XgxqbURL361kXj0GzMngiMVvEBQJbzc47 AhsjBQkJZgGABQsJCAcCBhUKCQgLAgQWAgMBAh4BAheAAAoJEEGzMngiMVvEOBAP/jnQVwl7 IQKTr1xd2WRkQ+yefR+QFP1a0ujPPSKxne0e+6K97qt51E8JELGCdIoVXlzsvaFXSIqVgncH 0VnV9ciDV7jlBI/G66btRZDfGwYBSSOmgz/rTkBrpmC8+lPbqUDWdLx5J6bjUroS8XWlN3oS RZAPI+RzWjT89S+q19HGESuV+/h9OTxO51RIeA4/XVueWXFWaZ2ZQrsiBE2HZg1rZ2654i4b OnKOgFyj4FibZXmcSgDr6O6LjaXVCm2dfZZ2jkjEMzaI/FRE/yj2EKciKk5Fjy6lpWG/xyCn YhGgI6THu1Ynbz2RMm1cSISXJkC73xfkAjpRsHM0yAFU3EAlGGMo8eDV3VhFDGftPZFqd4uN YC7ku9PSxi1UF+T//QXqerSIofLegjG9Lu3brILV6f5BqhUod6++EqenydndpSvvxHjrSFz0 qzQEDpcc/sPDQbtYayAKHYzGV6SPITiAnItoB7M43WNW56uJtULuuZhRz9r6umJa1Y+gzCkt kDW1yAcWQ5VEAcI4mUBHvbmS9KKnTbw6SRQvHSXMELOVVPYjZceiA9NacESuVuwfVLm9O7vR 4ADFm4cColAsdm62vcbLLohws1MMMAw9SvL1X0v2VxCAYf40pUPtg3DHJWwdi7By4aSc4pqn 6DtDMXrMZ3oqQKKgMM/d+ohw+KGJuQINBFvNzjsBEADGwb/XwE2xzrUnmMjsIpobIOG6sjS2 WE0n/ocTe2cWqSLxwSAwNQ9LXJSgNb9qTTSxLKN/exHFMIalpypN8gpckQ13mGziayYb2LzS 2E9Rlocp91Fv3grR5lrMkCAMtKpcSj1d4hOdMcLOTiJTmDNz06FSmSQBwO3RzrwSCFVibOWn 444cdsc2nd6R96pcff2EnT8h0wrZnwqCUmqTFxVwYcZvTCM/qh8kbUB6cFfk9qOf/az62Yxo jatBBle63xv4SyhRwIokeLzQpU3MeNTLFYEBUkD91min8Du/NfhYS3ZwU6J3vMTm+53kru2N hOMqlgBAs24aJsJYeM2YIPbLVw5ZdG9AvrxTRxVu78DTlgypYMbkM7OFGqWBNamFmhFHZkSi PVHJm225B0tByBpdpxCZtWo2K4ygjE/tqBiN26U1WBjiZb2YO6qw32hnIlSt2t8nX+R+sLJW 9ypolc/Mh+FWdQD/g0JoOimT0d8D8awF1jia8W8MkRREWuUHFEkoDL4M9t+2yNGhpBsW1cXf MUNzOyP/E6I8GzgEWWovz/ut1j6uWPABCCxytrjGwZw/yqA9yqQjHC8rdzfD2r4rKz8MRpJF qWvL4Arco90so8eJpYLHyTtV7pfVHnWXPktoPTkMqUgQ8twDeywI/VT+sgOIXBP8d5HU0afE bDr+GQARAQABiQI8BBgBCgAmFiEEn9eDGptREvfrWRePQbMyeCIxW8QFAlvNzjsCGwwFCQlm AYAACgkQQbMyeCIxW8TKUhAAuQypJgJ7wIpjzji+Y/2hAhaxEnrCsUjcF6L0b2HSvuy+F2/a kuptJWa2MGUCbzQK5/Ki9S3+s7SxfzjiTk83CB/nKPuMORGly2f84H7fyKWzJCjkxmnV7PnQ iofkJLA6uoxsVR5t72kWL/s/OwcxRP5KJvMVaSUVxWrcStfcc8+FcKetDIqS3u3rHPpJO+uW MFBOJM97Cz2sSMfJ0ZpgIpKDM5Qh/Ak2Fw6dzh99V+mpBVGEL98dAibuzdKbFBZTmgSOgaJT b7i4D0hK2fxyHZE9iiCjqlO8EIGRrjWAr8I5y+d2sDPSkuJUmFXhctRem0do+fNvmUwAyNGD SqWW0mtlTOe1Ur0rcYcgq3owgABOlM6qdbPyZ6sEUbJ0RtR86+ksfhrxtLUf0oz84eqrGjFd NYTVgomeWDuW6q+a5JX4YN9LbYc9OZhjfNTJ0q5K00JvqOHPLYertlF3uscbA+KKhvtZ3x8w o2xAthMRzUGlYy+lHGJ8zUE7PKkeD2rBYfMs7mId7EQ8UNc6ZwvmL0WtZhTiXpmJNAtWBWeG D7zfJr1Z5i/s7tOMyAi6e8J9l5pt6IPa//uByXAGcdOzPADdAxlBLPkJStS/m2RFfDTbdWiZ Flo+wGMdJXNbeLQ4ykdbLbkeTBCH9TSQVmH34GlTT/O6N8xQJF7PSp+Sn0w= To: "gcc-help@gcc.gnu.org" , "mingw-w64-public@lists.sourceforge.net" Message-ID: <84f2a94f-0d73-fe05-78c6-bd64c1f8ee76@126.com> Date: Wed, 6 May 2020 13:36:13 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Thunderbird/60.9.1 MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Ia9G8rcZX2ii1BZPQ8jgMUpLZL5ouNYNI" X-CM-TRANSID: DMmowAA3bQHRTLJeB+KhCg--.38258S2 X-Coremail-Antispam: 1Uf129KBjvdXoWruF47ArWxKFyxKFyxXrWxXrb_yoWkXrXEgF yxGw4Ig3W5XF4UK3Wqkrn5AFW2v3y5Kr43KF18J3yxG340v3WxGan7Xrn3uryrJr1kJF90 yr90yr1kXr9xujkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUvcSsGvfC2KfnxnUUI43ZEXa7IUYzOJ5UUUUU== X-Originating-IP: [101.86.244.84] X-CM-SenderInfo: 5okbz0xxvhqiyswou0bp/1tbi1xMcRl53T63VGQAAsZ X-Spam-Status: No, score=1.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_BARRACUDACENTRAL, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Level: * X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: gcc-help@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-help mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 May 2020 05:36:33 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --Ia9G8rcZX2ii1BZPQ8jgMUpLZL5ouNYNI Content-Type: multipart/mixed; boundary="1tFhyiGdr0gsTsfCGSirwFJjuBdhgX4Ge"; protected-headers="v1" From: Liu Hao To: "gcc-help@gcc.gnu.org" , "mingw-w64-public@lists.sourceforge.net" Message-ID: <84f2a94f-0d73-fe05-78c6-bd64c1f8ee76@126.com> Subject: mingw-w64 and __attribute__((format(printf))) issue --1tFhyiGdr0gsTsfCGSirwFJjuBdhgX4Ge Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable Due to a recent change in mingw-w64 master [1], libgomp ceases to build: ``` =2E./../../gcc-git/libgomp/target.c:936:21: error: unknown conversion typ= e character 'l' in format [-Werror=3Dformat=3D] 936 | gomp_fatal ("present clause: !acc_is_present (%p, " | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ``` On line 29 of 'libgomp/libgomp.h' from GCC 9 branch I found this declarat= ion ``` extern void gomp_fatal (const char *, ...) __attribute__ ((noreturn, format (printf, 1, 2))); ``` , which uses the `printf` attribute, but the `PRIu64` macro from expands to `%llu` because now GCC has `-std=3Dgnu11` by default, which is only valid with `gnu_printf`. AFAICS there are three solutions: 1. Revert bfd33f6c0ec5e652cc9911857dd1492ece8d8383 in mingw-w64, or 2. Make GCC treat `format(printf)` as `format(gnu_printf)` if C11 or C++11 is selected, or 3. Replace `format(printf)` with `format(gnu_printf)` in libgomp source. What do you think? [1] https://github.com/mingw-w64/mingw-w64/commit/bfd33f6c0ec5e652cc9911857dd= 1492ece8d8383 --=20 Best regards, LH_Mouse --1tFhyiGdr0gsTsfCGSirwFJjuBdhgX4Ge-- --Ia9G8rcZX2ii1BZPQ8jgMUpLZL5ouNYNI Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEn9eDGptREvfrWRePQbMyeCIxW8QFAl6yTM4ACgkQQbMyeCIx W8RlpBAAgu8PuBRhFNWQyaOpRx/aoQT40p91SNn/yjezvWfkN8+oAmeVOF3xGsNR SHuRrxh/0JgBQ6KcFUYkQpDsO/eCvLvn7Gcm8leHKYrj0w361eTzBdR6bCYdHDof /hmLUhM4EYh3/NRFVjSmqlgHbZcsyuCNZx8aoNww6CoJWi1mC5ZDl+f+sVkVXJTQ opWyOk/0Sf6/GyPQZ2qpnUdQJBwIExcRxUvNQ8ocWCodd4+f8JVdPvaf99XcnHJo /AlpXbUitTa3LJSstiSOTREX6/JdzH7/3AvYTw9RZJ1FTTpeZvlU6+X20gf1zm8d CkFvSv2g2GNE99IwhWsTx9LOm27/WBZlhiEHHhOjhilaL2WqpbhMeU6B9+KGljCl K8gqv6jWTcvxibUhDRsyULjYzx4LPdKztq4xXu/VkFTu4ZwBgkKlAOJ1hpnr9hK2 SVODiMJ6JlX9S8fUT6z1QBrJl9W2Iub2l1o2jYZSnM1HfxFy33EtgjV4/dq+AMMu w0WYgZ1SrA89J1f+EfvKjFDWt8LmqWxCbsb8kMHxyTy1ic/aIYmDlUomgPwPC4eI PjmYLzhoFHM/NAUl+qlBpbBXYWJFuxgqKPAuxFgGDe8s1ZMX+xgsGecFpmOmjgmx k7jgMPvtdkco5jh9dsoJuWzTPcOf0Awo3GTkW0+egBCLcD5g2ww= =Rg6s -----END PGP SIGNATURE----- --Ia9G8rcZX2ii1BZPQ8jgMUpLZL5ouNYNI--