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[174.89.30.36]) by smtp.gmail.com with ESMTPSA id af79cd13be357-7c5f7682b88sm707270085a.32.2025.04.01.14.34.06 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 01 Apr 2025 14:34:06 -0700 (PDT) Message-ID: Date: Tue, 1 Apr 2025 17:34:05 -0400 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Icedove Daily Content-Language: en-US To: kees@kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org From: Tadhg McDonald-Jensen Subject: cross compile fails with GCC_PLUGIN_LATENT_ENTROPY Autocrypt: addr=tadhgmister@gmail.com; keydata= xjMEZ3rpXBYJKwYBBAHaRw8BAQdAYDEhZ488BxMM8Md8rbPVN9LQYm5t0mEbfYA4muH4+TfN LVRhZGhnIE1jRG9uYWxkLUplbnNlbiA8dGFkaGdtaXN0ZXJAZ21haWwuY29tPsKPBBMWCAA3 FiEE9UIQxuXDjUBQBc31hcDI3Lv0TucFAmd66VwFCQWjmoACGwMECwkIBwUVCAkKCwUWAgMB AAAKCRCFwMjcu/RO5yvRAPwIopAhcFwcgpAeh34s1MgV17YZOqpyNfkoj3RP2sW4GwEAk43y 9ATcrGsZg3rrnpo6bmedY8ssPsOPvalB2W8Gyg/OOARneuldEgorBgEEAZdVAQUBAQdAFPa4 7FHJdQf1AlwPz0ewUAPhB4c1pmGJntgFQgTvqGUDAQgHwn4EGBYIACYWIQT1QhDG5cONQFAF zfWFwMjcu/RO5wUCZ3rpXQUJBaOagAIbDAAKCRCFwMjcu/RO58X0AQD3umRLqs0tnYZ1HjK1 FZM7HKaLgW8UBMgk+s+b3bAHHAEA3wlt2RuX9me3oGTi+gSCIsX856/Wx5b7db5SWmG5Ugw= Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="------------V8H4fRzQZlNYoBZQPsk08ibT" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --------------V8H4fRzQZlNYoBZQPsk08ibT Content-Type: multipart/mixed; boundary="------------HwasvmjwvDRxUWCEOncAeSs0"; protected-headers="v1" From: Tadhg McDonald-Jensen To: kees@kernel.org, linux-hardening@vger.kernel.org, linux-kernel@vger.kernel.org Message-ID: Subject: cross compile fails with GCC_PLUGIN_LATENT_ENTROPY --------------HwasvmjwvDRxUWCEOncAeSs0 Content-Type: multipart/mixed; boundary="------------D9Y9xazbVSMI51lVRdkGTwtG" --------------D9Y9xazbVSMI51lVRdkGTwtG Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hello, When cross compiling the linux kernel with `CONFIG_GCC_PLUGIN_LATENT_ENTROPY=3Dy` it tries to compile the plugin for= the target platform instead of for the host machine causing the compilation to fail. I've opened a bug on bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=3D219973 Specifically I am using GNU guix and trying to compile with `ARCH=3Darm` and `CROSS_COMPILE=3Darm-linux-gnueabihf`, in guix the include paths are setup in a non typical way so if that is relevant to this error I am happy to provide more detail, but hopefully just the output of make showing `CC scripts/gcc-plugins/latent_entropy_plugin.o` instead of `HOSTCC` like many other files in the scripts folder is sufficient to reproduce and solve this issue. Kind Regards, Tadhg McDonald-Jensen --------------D9Y9xazbVSMI51lVRdkGTwtG Content-Type: application/pgp-keys; name="OpenPGP_0x85C0C8DCBBF44EE7.asc" Content-Disposition: attachment; filename="OpenPGP_0x85C0C8DCBBF44EE7.asc" Content-Description: OpenPGP public key Content-Transfer-Encoding: quoted-printable -----BEGIN PGP PUBLIC KEY BLOCK----- xjMEZ3rpXBYJKwYBBAHaRw8BAQdAYDEhZ488BxMM8Md8rbPVN9LQYm5t0mEbfYA4 muH4+TfNLVRhZGhnIE1jRG9uYWxkLUplbnNlbiA8dGFkaGdtaXN0ZXJAZ21haWwu Y29tPsKPBBMWCAA3FiEE9UIQxuXDjUBQBc31hcDI3Lv0TucFAmd66VwFCQWjmoAC GwMECwkIBwUVCAkKCwUWAgMBAAAKCRCFwMjcu/RO5yvRAPwIopAhcFwcgpAeh34s 1MgV17YZOqpyNfkoj3RP2sW4GwEAk43y9ATcrGsZg3rrnpo6bmedY8ssPsOPvalB 2W8Gyg/OOARneuldEgorBgEEAZdVAQUBAQdAFPa47FHJdQf1AlwPz0ewUAPhB4c1 pmGJntgFQgTvqGUDAQgHwn4EGBYIACYWIQT1QhDG5cONQFAFzfWFwMjcu/RO5wUC Z3rpXQUJBaOagAIbDAAKCRCFwMjcu/RO58X0AQD3umRLqs0tnYZ1HjK1FZM7HKaL gW8UBMgk+s+b3bAHHAEA3wlt2RuX9me3oGTi+gSCIsX856/Wx5b7db5SWmG5Ugw=3D =3DmvH2 -----END PGP PUBLIC KEY BLOCK----- --------------D9Y9xazbVSMI51lVRdkGTwtG-- --------------HwasvmjwvDRxUWCEOncAeSs0-- --------------V8H4fRzQZlNYoBZQPsk08ibT Content-Type: application/pgp-signature; name="OpenPGP_signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="OpenPGP_signature.asc" -----BEGIN PGP SIGNATURE----- wnsEABYIACMWIQT1QhDG5cONQFAFzfWFwMjcu/RO5wUCZ+xbzQUDAAAAAAAKCRCFwMjcu/RO51IM AQCuWN9bZcJ8mObj2mq5wGi1K2k6iC5h7JK6zWwZTXY5pwEAsMLIyjr1Mdd1QW6HOschXSSrTODN cCkT6RpxPKieLQk= =Unqj -----END PGP SIGNATURE----- --------------V8H4fRzQZlNYoBZQPsk08ibT--