From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-3.6 required=5.0 tests=MAILING_LIST_MULTI, NICE_REPLY_A,RCVD_IN_DNSWL_MED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 13673 invoked from network); 27 Jul 2020 20:54:25 -0000 Received: from mother.openwall.net (195.42.179.200) by inbox.vuxu.org with ESMTPUTF8; 27 Jul 2020 20:54:25 -0000 Received: (qmail 28606 invoked by uid 550); 27 Jul 2020 20:54:21 -0000 Mailing-List: contact musl-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Reply-To: musl@lists.openwall.com Received: (qmail 28584 invoked from network); 27 Jul 2020 20:54:20 -0000 To: musl@lists.openwall.com References: <1667998.jfqktxE8f0@localhost> <20200727160326.GN6949@brightrain.aerifal.cx> From: "A. Wilcox" Autocrypt: addr=awilfox@adelielinux.org; prefer-encrypt=mutual; keydata= mQINBE+DjPIBEADTQ1H/e/avDUhgt8+T3TJpjGYoY9Y47EMfHqWMm9LjR9aiZSG6GWRbpjWS 4V0DqzIhNQw7HLkPws9CVqQkmpIeltQyGDV2qcR5AXxJ4lCRWHxwRzWE0cCzhLUR9BBWOO0U NINQY+2IqmzRAqXZ9zL+mGTles/qeheXmaWLKf/T0kqJFihoM+ItQvUWOkWUdVv0prhzXr9Q QUdt0NTIW8n4sPwtuSvQgqwSzCJQArh1myugVSGiIIN38pCU8g41Vh35mHHhbHjbn0o1mhrX B/gbsndGo7QQBKz4CPaSel+Fl92dCvVWTp1XYyjqeZx2xlx1zfDrXOTuzY1WmNHi7BgHYuem tG7Zyp7u9MR6FvLKgQhmvCQZXaa+9oNtwKckxoP/I5R8ede9YRb6pLyG5JC0pTTk7kpUZCX2 tm8pLKy899zomm8BBm71aEJHE44ABEl/PbM7tA7XhSPiWsdBmVCxH4bqpUgGMx0ztqhNsUul SDDhiAWgtYFHATynhmeKBDKthkO7lj4CzwI54dn1uiwDtvUFVyVsPMjJcCxFnONbOPcvm1R9 sDg5sn57dv0f+EtaU3ppZdotutjM9X7OEC93d1flO3k1LO20qn2ZcI24f3tEOLAjn5xZ1GdV 3BYBwrtuaaiO8tMdp0uAtILzkkrcr0vOi2/SngxtXFw+44X+WQARAQABtDNBLiBXaWxjb3gg KEFkw6lsaWUgTGludXgpIDxhd2lsZm94QGFkZWxpZWxpbnV4Lm9yZz6JAjoEEwEIACQCGwMF CwkIBwIGFQgJCgsCBBYCAwECHgECF4AFAlhEpGYCGQEACgkQyynLUZIrnRQu5RAAqxHJdNIQ ucYYUaYX4EHJte4OAZbxXeGgMi4fe4m2qkMrd8U6VDfRbjsqETK7fOJdrIjvp+xrMTMvj36C LZ5YuBVmvTd4+Qn54y+8doMUtZppjW9Njwols3zCeaZR/4Iid2GjS7+avgVEhMuxlo5apygb n84VhdLRPAs2BtyqUWUhlLs2nXg6kzI/yT8frGGCN36Xewe35jrhl7h4d54t7h+wYcYw52Yt GHs/R+yPlCGPrlzh8IGwjDWDaUrQAqWdU3B2UG4g/yn/JYZrkvfbm7AhpBP5trY2jbm7sfTM NoClDDwgf0K8Kfj0LeBUzOLqGgQNBdaJ2x7f1xq5tJjAPmVL6oMElqyDz9ycUXvelLMnxgXI sjndF+K1aKjg6Ok68BfTo+tnUqmEjqAhjLBCSphQJavww8pU9KSPmxOr0GfjoiYELeoCdTe2 U44bhFwCcf5tG1qdu8l4pes1YPRVAVyr4J/BlS2e3FyU3MsYlma9toYghJZ0k9dVOqx5YXj9 B2keDpX1D7uEJUHpoRSPylLYKJCcNuzrsaK0gvczkgUvhaiij8qnlLEmDsv7KMdsv+qxknNC vdCBgoiYn01ZJZJrlllOEXpVAXfQDKcqGnIJ4GX87TIu3hR94tw4LOCayfRpN2Y4zlACPLaZ KiSon4ySDo+ooYQ8WgwH1y1ESsa5Ag0ET4OM8gEQAOI/n9h9v2TBOiLUt/nL+HOdxqvkfrKp mDHXx6ctJSm0VBHhHCxKN6Tk2B0BsUXcgR+BD76Tw4kTQvuj3E87m13xHRtASdCmnkvGhU4c JJ9ZbJbJhPLNr9qPUxwCQxFyMrFri/9GnE0Kbv5FfxsLQy9Slubnyg3CfI/wIP5pOoVFA2qI UmsQS155DmhbV2m0FDf0san01ZRMFYVcUUktcmFo0Xmr6PAxZ0FTaxSF8+921lKrvShcsnMv Osrf5toJGEdQw/IMO5rKH1m+q3qWQAOw4uF4WQJrGvhEsVK8G4mC6EBDTbxFVDtyBTMAGUVS t+Yb5i0iIYiMAP2MEJ+twg58PV+5RglheTGP9iPW0xReI1sOD9jfIrQbwqWpOchDGBUpQx4q DFYzzcbjvAP1k2o0mwMby5DJlVwktUiXXtOWZXKZXfTnCA65x1bC6gbtMrXN1CWkyjKT9xj9 Z5WlpZaeqe2SZkLG3/N7r4bSbw/Z6NsYeJ8CpSe6SfoWSsjebD6kbXlF5dsQf8aMUjaZAHp0 UpinfgWNh+58128yddsRMsidjU/MmwhzcRFsvn3rkgtnK4IwpLEfssChNPa26qwfcsvQ+AQU CCRd/GIZ8AkOVySQ30J8Assa/T3nc6VNKRVgsAiSClkeqVevAZmUMUbvH8f3cTe1VFn6kR3q pvfTABEBAAGJAh8EGAECAAkFAk+DjPICGwwACgkQyynLUZIrnRQifQ//f++reIP4el9Un1w4 11boSy1iBALnv58YSQQHPIZ4dq5hr8P1Hp3GDz+o6JFKeIHq5RYw2ornumS9waDbz7dRD1nc N5sMoVfR2g2P7honq59r3velxX36PmifHMmxb8MTqbCSJJRisqjWTMg7CZxH0NQ28qMtpiAw kvoEb+l2Uc/gKnvcpPfVJ/X0b3go0xAe9GA7Os9thjtl1v+I7c2+xjPUtvv+pDGRb9To2+Sw zOGwogbTrVw7KgAFhktx6i8tenXZRf36O0GTACRY//qHNoNNy5H4LYmfyHj6VU2ehwNJTlkK H/8oYV7fkOdcs6DZAnxeiOXUKpHC6ck0D0sWQ42GTeEraospQevGTrp1FZdYnfXznUFXuC6W jHR9piQehutMJ1vCP+DIRLGOMzV1TFWflpo71lb4AFLU3UOS/N7Cd8F+w1nG3WPn7UjFCMrc Xf268AEe0xwakXgNtwo2MTbtQSAO5AKYyGm/hnoLZg4YQ2eBPU95jUV+GMoEM/8Q0BJgsyF0 66NfhBXtuo50AipcARmnoqi6NDOKpC6mqiEYGsVuyQ9cRtkk9Jl98tXmnjxQlSL2nb4ErwJJ SyJq3hwiKMUJcw88IRNtYBe+dXaW4kDBTRha1k+brWZbu4tUlRWLVcSGjtP1pVukXA/SQ6a1 N7qhRF0UHQZkMW1rGbU= Organization: =?UTF-8?Q?Ad=c3=a9lie_Linux?= Message-ID: <544a3726-007c-69e5-74ba-39f28c8f35db@adelielinux.org> Date: Mon, 27 Jul 2020 15:54:00 -0500 User-Agent: Mozilla/5.0 (X11; Linux ppc64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200727160326.GN6949@brightrain.aerifal.cx> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="MRTdtZXhz9ESVt7whWWoYAWhcLIUqp1B0" Subject: Re: [musl] friendly errors for ABI mismatch This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --MRTdtZXhz9ESVt7whWWoYAWhcLIUqp1B0 Content-Type: multipart/mixed; boundary="Rwa2IIMxrKrW9HzVWvBHjbz0luoLyVNzD" --Rwa2IIMxrKrW9HzVWvBHjbz0luoLyVNzD Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 27/07/2020 11:03, Rich Felker wrote: > There is no way to give a more high-level reason for the runtime link > failure like "your program needs time64 and you're running with an old > musl" because the code reporting the error *is the old musl* that's > not aware of whatever it is that the new binary is missing. Maybe you > have something else in mind that I don't fully understand, but > whatever it is it would only address future missing symbol errors, not > the ones you're seeing right now. I think the request here is to have a "minimum musl version" encoded in the binary, so that the error would say "Sorry, this binary requires a newer musl version than you have." This is similar to the Win32 SUBSYSTEM property in PE. "The specified program requires a newer version of Windows." The problem is that this would lead to the same issue that prevents musl from defining a compiler macro with its number (#define __MUSL__ 0x010201 or such) - those that backport patches and/or features to older versions would necessarily be reporting a version number that is older than the patch/feature. Therefore, I don't see this working out for musl for the same reason. The bug here is trying to run musl 1.2 programs on musl 1.1 at all; this shouldn't even be possible. I've certainly never hit this, even while upgrading Ad=C3=A9lie beta4 systems to RC1 on 32-bit computers. Best, --arw --=20 A. Wilcox (awilfox) Project Lead, Ad=C3=A9lie Linux https://www.adelielinux.org --Rwa2IIMxrKrW9HzVWvBHjbz0luoLyVNzD-- --MRTdtZXhz9ESVt7whWWoYAWhcLIUqp1B0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEjNyWOYPU1SaTSMHHyynLUZIrnRQFAl8fPukACgkQyynLUZIr nRQpzA//Z/plLreZjEjFtrUVUr5CFV751j462BGqbsuKk9Fht4/1L3eBNnoN8WGA jAeRERip4FCE9dj3NvJ0YCF+Q/v6YoIqY5Ir7F1U3X9wrjKQgYVw84/GiaxzkEzN /WoLJsHtUiJpcrO2G6kiqS0FqekvoGszK5F7qiLGGBDeTob8GHrVJsCdumOaEZFq cIRX6wKEpZ4lu+4SXYamVOqkJoAAQp+CUjZSY0C4bBJ9toBjYX9TtKprW2xcU/Yj uShYKqGP3CfT6+4GtuGTHwVOFVIgXhCDY1DeJyPTswcYYcb+mmO9q2rgFA5FNky+ q0CJYO0mYOa0/fSOVDezfyvuOdbtaxv2pNUN33mtWumbz+R5sm763XLnIl9GJi+9 nysXP6/hA43jHFPA8BkWWfJnvBYku//ph9AyGaxsJmOwGGttaJTvAAErRZG7KAh1 2zngEqtv/USIoar21HugdmxlbLqq5PN2yeR7e2AHCpV63tvnj4NyAnxVnvtrtUrj 99O+3O2gA6YP27/AO8wwpYVXbd1sSv9BKqKJuLhW6vKE7BO5QXkDnjGY94/Xp5YD LhFrB6gmJNq8nZ/UfaLdaA5dJlqpGosY7RBhTdNm2R/anAgl4UaxPjnNI1p439oG 0SOTaiyWaNDjUTdZ0REYkiPJ/8DQz+wC0yTLCeARYkOsIznnvLg= =WV/l -----END PGP SIGNATURE----- --MRTdtZXhz9ESVt7whWWoYAWhcLIUqp1B0--