gentoo auto-resync : 21:03:2025 - 00:31:16

20 files changed, 839 insertions, 36 deletions

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 3d5d9296335a..b277c7ee8476 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -50,26 +50,29 @@ DIST rustc-1.84.1-src.tar.xz 355078168 BLAKE2B 849e8c909493bf76ce9749b9dcb196718
 DIST rustc-1.84.1-src.tar.xz.asc 801 BLAKE2B f3decd3470fd1eff33adbb376490a30eb8db28dd4176bde0fefe4f60acf79c3dd0e1a330d519b5319360136ea7d0a124f6720dea08617202d9e9298da992ccf6 SHA512 a241fe3efba293f3e872b74f09dd0d184e0239afd1416326d57bf1134d92721c65b187f5c99962b51671877a539f18e82d2d797c76af42615c11a8bb3905f796
 DIST rustc-1.85.0-src.tar.xz 274011696 BLAKE2B 9cb1c5b9fa9b0ee8a3150d634b58f4d14c38342f19cffbdcaa4e783150f9b3c516763d549d9998d90e11377cd59e9d9442a99079aafccdc005739b075574447a SHA512 3e9c933d1d9b6e5fb081837cf07eb1638b1a6b4fd1cb607dd860c5021ba7b521edbaf8ba0fa8f182f62178b72a3e1a3e6b26675e8fb6530871137852a074443c
 DIST rustc-1.85.0-src.tar.xz.asc 801 BLAKE2B 8168c984f69356898f7a51199f3250a51c58a6512463cd5011acdff8c63754ba196bb050dba95b73d37c7e6d4bbcd3d1cb471d067a6615cd81b8969394e3539a SHA512 b96fffde7eb3d98cca6abe44e671fd4752416357ab3180d2a09a60fc022ac03d10e64ae285ef6276b8d881d6154fd7398f46666f5a2ea6f3023ea38fd543f59e
+DIST rustc-1.85.1-src.tar.xz 274028992 BLAKE2B 1dddbbc0d14fe9551fd2eb59a47521ac7eaf783b8ebf5e89d3e82b38f3f1539c14626a86b6530a47e5a967d47a04db7a3daef568eb5164f42d98b6826346cffe SHA512 d61afb4f00d0c63eef132e10ca5369202064ecad8ab5bcf4fbd62e9a20b2bd71840b2a769dadcf43452fc0448865975c9de1c129752caa9928d2757027bacf7c
+DIST rustc-1.85.1-src.tar.xz.asc 801 BLAKE2B 07409ef6c044b72394a28dfd5b5decb237ca540714010a4f81e4213a3bf7ffb2e14029789f930cea0dab115a6e986859f6cdefd3798be780c2ff21c3e5fa6593 SHA512 7f19653fd05c89390a4073f5184ca162863b7116cc4d8867a5aa4304568880707ebb9f9dda166d7d04f30b2df6ed223eedd98df1744f809773054edfcd2385ff
 DIST rustc-1.86.0_beta20250218-src.tar.xz 280540916 BLAKE2B ed3fe1b1ce392ffd264dd78c00e43b478d14c6bf9bc7120aa484c46a72ff904abf3ed1d1d539828a22071997860d186ecf9d5d4abed25f14cbbe0068dee06a5e SHA512 bd8982d6adee08e0b39a58786741594e0c651cd107818178aca0ded3c3272239be3c4f0f6b617679bc8b1cea67e4b5924d6bb1ae8a9d5903fb77245dd8ac528b
 DIST rustc-1.86.0_beta20250218-src.tar.xz.asc 801 BLAKE2B 8a7c489f9087342074262c64089922b97e886aa6d3f89c2a0ed1185e084c8bed07d57c363608f26536ca884d764aa43e3ade214ab4fe4e67e9c6d7e1338e93aa SHA512 d34b536200fdb4c7e85af005b1753ce88f32a1faa418a01de21de992679d744ec396fd0f9aaaf851569de1f4f06f14a6481b68b1378659b3475d30818421ea3a
 DIST rustc-1.86.0_beta20250225-src.tar.xz 280546668 BLAKE2B ea1956a83175a2cda21b6ad1ead38d8d0f6c95559d2e329bf0e4ca13d0ff6562d017d5bffbb57f9d6d232b1f87f3d190718bc0b90c6938b06763526fac083ada SHA512 782fafa305b8766db3d23796014a5897470988c9447baf4bee35d98b90382b5a727d0aecc3dabbdab0f82b6d862def8be23d8a6cf3d98cc96f18cf4a2bc38f66
 DIST rustc-1.86.0_beta20250225-src.tar.xz.asc 801 BLAKE2B 517f8d88edc1ef4ebd25d66a1be4f37718bfa361f8ae1001aca85ba626dacfef6ae27a327f33dd1ae9db7e57a91eab2d8bbfe910b5789df0998dd18026c75726 SHA512 50e3c85b7c6a7f42e094e63f4ee554d2d944a8e153ab5dbd1c2a09a1f44c6ee53cb1c4985080a373c5cb09681bc5b987e8a8e2f56a0a0053ccea99f22dc92986
-EBUILD rust-1.71.1-r101.ebuild 22398 BLAKE2B 16a62b7042971b2a653e078cadc701e597f8cdfdc0d9381502e1a6763c7752c86d735e7ae5a6c69630a21f3b0b964d7f291640458dff0055d052a0ca0e99ebf0 SHA512 d58ebb8d7c8bd40ad91416993fb0aae63b60406b2ac7a21c2b434d45ccc2cfa38090e311084336580827a1e5d545deb46545c8df4b2b389cdbeac2564eb09c79
-EBUILD rust-1.74.1-r101.ebuild 38047 BLAKE2B 2c7e55c4b16b4ac990423970942b0d0344b2a41e9b68590112a734a7170a824054066da09315c9e647ba76c5f7fb6d192320113705c10bd789e625df70b60d5c SHA512 e3683ca91e3efbe3ca7bd3611834d1d727c5b13a4de1b5f2f34f8fa6780af2d96fc1a48dde6d2eb1d38910bd0eba037990a9785b5eedd847a22e60f1792bb0e2
-EBUILD rust-1.75.0-r101.ebuild 23941 BLAKE2B 1a19ef8ee5b2dbbf2f5758a3b249ad50753e0e69a8b45f008f3ba588627a9ca0760254ed9d7e5594b3a18931f73b70e3f5082a32aa05f627c0bcaeb2bc2eb138 SHA512 8caa84f0c16a39a3c67a9eda9d00e963a20c7c20e9b3dc71dcf164dd7528624adb913b22c3b9e228ebd28cfc6d8c8080bb0d5223ef68e9cb5ba3074d84f68ba8
-EBUILD rust-1.76.0-r101.ebuild 20449 BLAKE2B a05002c2f08e2705563cdfbbac2d39069282c4034087be5aad0631177c91bea90f03bab97e21006f1caa8ff98d3a146f395eac56b204732f0768944d7231ed5d SHA512 b497de82c830a225bb2cf897e04126034427544e86011f4a7367168b7f398d19c6f53b9384fd47efc78d523bc90d47cd336787c177e1361304efc80647d7356a
-EBUILD rust-1.77.1-r101.ebuild 23905 BLAKE2B 4112869889591b4b1dce8aecdcfcfd2c126235579b7e005cf6c556d554cebca16ff02731f487200c9d2b2522862071e160374608282ced7bd67333fb429ee4c3 SHA512 7234e384761ab82c0543e6f8be826ce3af1ad4a005595e7b613de066d9b213e81106f98dd42987d63608fd4a0f9200d513fede9e09bc4aaf8b36b10282819514
-EBUILD rust-1.78.0-r101.ebuild 24140 BLAKE2B 46645080f001be5cc4ff55578a6914a0a1a4c1cbac14e3fdef2375343becc002e41e288c8323673bb54291285f2892e50d6a8dbbf5973d59a5d6561d71482b88 SHA512 e9721c42fa937d1f0c0b0f13f8400ea4882a03400c0849dda2c9c1ab712077a673d44725813a40c0f8d76fa7f57c0ae2f5b71313b03d995c444b0894e6a89df9
-EBUILD rust-1.79.0-r101.ebuild 24140 BLAKE2B 84ac91990973405151c22bce62062270b96cddb9acb9ff596d05371d2cf78c8fd5d82b7e3f94ae68d137bf8aaaff29ff6fface78a25b95cc5380a0bea1f1d42d SHA512 e5bb89600df62cb000339c9d47cad713eee2002e57c44fd34e64a7d8f36427f15626205cfab3169fa53fd8a31a8fc7cb859ddd66e77a96186b419e481e8f8e29
-EBUILD rust-1.80.1-r101.ebuild 24012 BLAKE2B 5a8cdfcd1fb5553e6dcaaa98a5d817dec02b89356afea474d794f8c42dfd6b72bdfb63abad412f796939e493c6164da154db5d1f6bfe2ed0f1783a26cb7bb931 SHA512 657da54d0ccc0169e3ee4cc91b00383dfdf96049e5262413d77d881c6c04052fd83686207bc732ce2a680e31a5fd8bac6453015f8ada40f501e21ab6d081f45c
-EBUILD rust-1.81.0-r101.ebuild 24209 BLAKE2B 426b068e2682c88340de00e42891cb5f75e5a41dd6c902168946614bbcebb6f394872002014f2ff8fcf6c908d1d59b50fdf44bf3ecfed5da9608746d18af6dbd SHA512 461f02f3b3483cc9034ac0eb0f1be24ccf05919af378bcccb81fa06ac51bc37df0cd9d71b7c7117b326f228017bbd9b9cac09f2a02ab1c449510980c96516843
-EBUILD rust-1.82.0-r102.ebuild 24404 BLAKE2B 11d53de161ab3d656724c8fb4f32050abd7e4322dcc1046702f8b00fcf19fbe7ce7478fe94deb29c67c3a61bde92842aabe62e14005a0eec88cfee8b6647efdc SHA512 88d9e75bd72804b385ef651d268171e3dda6075e84c7591e7295089efe0ee864cc36ac98bb6c193eb17b2ea3e161972ecfe05f24eb03cbc943968dedefed1f17
-EBUILD rust-1.83.0-r2.ebuild 23637 BLAKE2B 4f015de1734b0ea942b0c6e3ea72815a5cb9608fd4e9bb59d81952f749cbda6e4bba700d503c5e5aa6a39cef72884dfac29c15eacee5b31118511bfefa851402 SHA512 c20809d2eceff7d7ed764c8082013fa7687ee2644eb6c6b10de220d62ed6fca85665ded9173c17507a933ada04ea40f2a999ebd9c3252d4ef484eeb674dfe8d0
-EBUILD rust-1.84.0-r1.ebuild 22248 BLAKE2B e10d56d1b712b1ede57ae72d2f97e29e7084721019d1541c4454230ffaaa0116117b5b6f7ffc393d09f4e6e03cf96ba9e73583b84f4cdc371d5328f2dc14ee04 SHA512 deacba9fc98a02d9ea6d8c50fe2ef5099e60a69bad562421adfac1810cbfaae95dd7cdbcf2ab23c8f89d3321b074904a4279469825b22856fded0d0f6bacadc9
-EBUILD rust-1.84.1-r1.ebuild 22226 BLAKE2B 3bfd5379730cec0805baabb40b4d6dd018ab30cd47b597a8a8e21be3d920c898c6c747224880f6c8017e2e1f325a56551162d96983900fa15b0a6832f8c7594b SHA512 b5ec38df4a093732e0c6bb6bef6c69fa8e92f133bcd76055105c4b503b4b2a94664a2e1a993a4ffd5c405183b1ad55a97f184ad6e9783a22712946ef68b0e9d0
-EBUILD rust-1.85.0-r1.ebuild 25359 BLAKE2B 47f020237a54c20c997ee279dbec95adf7b03c36624c8fc5ffc93a5e40525a57e0edc2ec0cf4ca30aa71560784bec64237694b58060e91897a7ca9e50fd8b75e SHA512 d6e901e241114911d80ecf9f04598b18e81dec53d12c50ae77afdab4c79998dcb92ecd463448c4415a1039f0f8bc61198f56d18ae69d0d34436b82fd1433edaf
-EBUILD rust-1.85.0.ebuild 25310 BLAKE2B f58fed6c72cd54bcc608695aa67554ab8def3887408f7a7b17ad5e36a7fb3923f196f5b072e788edef11ab5ea7dc8a7b1301799ca29db44649615af38d686844 SHA512 2d3f1f627a4aa666034dff412db54d3e75854769c9bdb04827b306cef8a309200befcf547b12e66b25b6cb9c0b0f7a385a98b92e8ad7262cc2b61b1f22529f8b
-EBUILD rust-1.86.0_beta20250218-r1.ebuild 25723 BLAKE2B 28a40759c53e52142d47bc9a1b4b25f8801c3a88339ffcbc345f5175ccab74262126c7671b2be4ca699ef4c9ab29166771b9997cf3d4dff840c59aed48b4fb28 SHA512 eed6f384a9d6a223367a4b0b0d92d3b4a01d29224bdf56648e402028cd3a4ac11909d35be5f72d14ddc0e089b2bc389d03a598e03d1670dc7e59a6b25661640d
-EBUILD rust-1.86.0_beta20250225.ebuild 25724 BLAKE2B af803ea989b27248fcbf9abfc732167cc3517f28c4ffcb508d9f4ed27d03f2ba532014630e3a65b237454c67e3ca59d744f7ab389df4cd47a3af4ea0c15c1cad SHA512 a57883420023f44fc66fea988105580e6869c7ad4287456b12c67bf4bd39d373e5e382adb5e372ed748126039a2161ac6055d6580f8eaef347eacd6e8262b992
-EBUILD rust-9999.ebuild 25383 BLAKE2B 9f91287f2811ae43470bf728bafd545920d4ce07ac3a58825d5e048c895744810b9ac7ebdbbfa6d5ba372552e4dd7468cd0035945143e73b983ace7489ef4cc3 SHA512 62f103ee68203346293d60fc43bf7eb02322d81d772f06f56d0dabaa8f73d2ea98d3c11d2602c5a79e8288939ecdebfcf8443bcb08ddb102d45d773ad19da62b
+EBUILD rust-1.71.1-r101.ebuild 22398 BLAKE2B 14f409fb8a8cd5bab98003e46778c6b08cebb1e52fd141ca55edab79e0d466dd680a7a09c6d607f87af1e7ffc995e3984b46f62a74164bdc3925dd5a4e866e47 SHA512 3c5a8471b73f392e4f3da8ad1ddc585a8e5fb0621fcb5cc6686ce228a88b0d01cc611f3836ec36173f28e6b5ff8e591b56254bb3a49ef9b874820c4f241b6cc6
+EBUILD rust-1.74.1-r101.ebuild 38047 BLAKE2B 635e4abbd3b4adb9c82c1ddc7554ee417beed44d0aee61df98255175083d98a9ba0a3f091d8a273da36f4f7fc0476d3ce46d760504a37c8231c73df445238cfb SHA512 8d7fa2a8b28211e6470b3f6a1a27aeec0d3c3f8e99420ca5996bf4e26d5012aab480e669632b4ca1736b8118b38722e5d324ee12cbe6558ff114e7a21fc4726f
+EBUILD rust-1.75.0-r101.ebuild 23941 BLAKE2B 2f4bab4676bf7d52fb03a0265b2efcae3ce309598009decb8609b69040eb5863dc6e767564bb457d933c1045afb8245b3d9f612920ffd72265ac09777b9a051a SHA512 a3a3a4c6ffa2e9fa8b4c3fe0f58b73ef7f08d837cfcbd3c3354ba825c432f7dd19481e668ef7228e18ba78cfd797267d8de45dcd4697e6204cb15bfd0287ca9f
+EBUILD rust-1.76.0-r101.ebuild 20449 BLAKE2B f9cbbc5df32370e246e3651fccd4c20b1ea095ca7ced8263ef92472558223d431deff5fbc40d77f9177ed25863334d9ccf1322ca9e56fe6a75ced6a2ac94c5e5 SHA512 3066945221ba5a29d20c549915df18f70a67621bd038ca51f1046f6ad4ddb1baaceb9e3f95130f2517f6319b3f17138186d7be8d0352af27b58ac0510daccec8
+EBUILD rust-1.77.1-r101.ebuild 23905 BLAKE2B 5c6c901805d2eee2691e34b2cbfa4ceac2b78ff5d5f9f23a4af0ba14583c8cf01ea8c3e200bba8eada3d4725fcc81d4c51cce0a122495175e25c7dd4e3ddc2a5 SHA512 50c96f971a49f41d68dfe224f5e67fef92035f206e750ac74757fc52c2ecb5319bb0bb6579076889e005b765473d2eac20dae6bf963659aa54035c76b35fb27f
+EBUILD rust-1.78.0-r101.ebuild 24140 BLAKE2B 2fc3649e119d92a29a8f9082861fa87f0788c30c0d1ae287c016c402475b96de90a720e5af8b089d2b7d2009917aad1e8d60a78bf8b024abed44853026145dd7 SHA512 0b5c3962e111f3d89dc10ce58fb0d98bd1a9533375ccbb96b561f672716c1f9fa10a449fab02c36e957bcf0d8d9d432568c09d9861692a78a9806b4b2e670228
+EBUILD rust-1.79.0-r101.ebuild 24140 BLAKE2B f2fe6d4c549d3c3f9204bca6ed264d5002ff5fe0eb098ba3cf1dde5abcf9bd787e4bf63003ade9a00a1f4a9f1be47a463b7cf94445483a3176aa1642f833647e SHA512 b84a614ac73a538bb030025f974bac09b226131c19646718f77dd042d040cec1c2bb35b43a7e6ca2f075df978c2efe3cb2b8d7bdeb4780efd9f3a0205f30c5e9
+EBUILD rust-1.80.1-r101.ebuild 24012 BLAKE2B af4e6fc7d9808ca8e557176e7f5249b69ab55e1e5ab50d340d215c79c0ea80a9b7329147e306956d0574c7a0bfaa4a8521a9c5f609c3cb0d3a0caae22d61ed4c SHA512 323415f9f12cc2b00aaa407606ef7f9bf87c0e0e8d1c20bbac1b85f57a59b436ea9146187e8e9c9b97901d47b53f5d4ec71881fe837fb586b586f9b242acc830
+EBUILD rust-1.81.0-r101.ebuild 24209 BLAKE2B 11af34b13f231dcfefb090200bf917e9033bb7ad7a1d569b9fc3ae416fb4e95d244b879d9b7bd8f07662f46f4e549734c957f86a91f3c2016e0344a7a787eb64 SHA512 95cad9fb46f341064a491a8a038a1e89619edab6828bb5fd8165c62eda2cbbb93100c2407027cac711fe1dcf667c79a83e0dfbc9d9dc767b48bdc8f3aed1ba85
+EBUILD rust-1.82.0-r102.ebuild 24404 BLAKE2B 8f40807cf5f02c5ff621cfc220dedb1e6f4266139b51a22e31cfd8fd8b1aaf19317f2331364c70f0489d4770321b497db258fc9d94770e04e486694d7382c4d3 SHA512 5f2825439e4363b9d83e379cc97a1a0133d4886875db06391f827b9e5e03ae83bcfa86fb309310f160db543fe647c4a51d94f16505734ddab6fce12e0fb93ab7
+EBUILD rust-1.83.0-r2.ebuild 23637 BLAKE2B c60d6cb5a7ab0be268648ac976040197de624d63e3935d89bfc946677860c6f8d8c41f347402afba3226f162f7c5c694834731fa343f9e83663d22fd3aa1aacd SHA512 2b0863f61d6dbab59893f0099df74f52be64f98355919e2f825ee67e79b8446cb414771aec8bb434f7dff52c500104d12c0876635489090f5a7e481bfc96d946
+EBUILD rust-1.84.0-r1.ebuild 22248 BLAKE2B 2905ea639293e16f92a1a15d7c476c1fd89a53f28d26b7e414c6f2910c3f14e6a12a9c74a702ade458bd330805a96e8011c24a2c3b381e23f61bf9848cb9de93 SHA512 17f671cae9f79cb1cb610f368c2bcf61470d26d4fbbc148772d9f4ae383dd28d890cf4266e474e600c6d19d66ee68ac2022f8407005f1ab9d0f7e7f6d609bc3e
+EBUILD rust-1.84.1-r1.ebuild 22226 BLAKE2B e10c8fa01d4ddeff4b121d643ee0a6e8866e52fcb520f90b9e3beca25260c10b58477085b8d6e95d704809ddbf9ab83e4cd2ba5e83f376d5080ffd5408495283 SHA512 8c34a3c20f64498048d6c46b54995f470e974b6289781af53c19d846163b53db4b0a3989f82fad5ba6661dac6d1aa4d180dfbcefbc947a5d8e108d4dcbd054aa
+EBUILD rust-1.85.0-r1.ebuild 25359 BLAKE2B a4e3081e92481315fb586536e5f8da9727107ff8c887e48b6cc402aefb1c5271b3f3fe9f07f1cbaf4779327ff778bfb5dd1249a7c532c9447a4b86157bb933b7 SHA512 7c5430e9de3d34c0eb2e07b75dd44f851f940826a1e3d3a955891bab0e69a040fe666cd13dce683d0cbc17ce74613c3cb52c0b1438263f5a9452ed487c752e50
+EBUILD rust-1.85.0.ebuild 25310 BLAKE2B 11f32ff0c8fdd276ec272deed54732eaea5c255c7695b40e49c451a4a41865c969b759df1bbc56b15c59f84380928e8d1e7a5771ec0739931ccfd5b4e54440c7 SHA512 f5efc2e1033b9a738913a5339a650418cb9cf01afd5156ba0db9495bd2aabc42d4758cee49fbdd999bf9d75fa03149ebd70be7a968bc7fba9da9200079be82e8
+EBUILD rust-1.85.1.ebuild 25359 BLAKE2B a4e3081e92481315fb586536e5f8da9727107ff8c887e48b6cc402aefb1c5271b3f3fe9f07f1cbaf4779327ff778bfb5dd1249a7c532c9447a4b86157bb933b7 SHA512 7c5430e9de3d34c0eb2e07b75dd44f851f940826a1e3d3a955891bab0e69a040fe666cd13dce683d0cbc17ce74613c3cb52c0b1438263f5a9452ed487c752e50
+EBUILD rust-1.86.0_beta20250218-r1.ebuild 25723 BLAKE2B abedbe347eaced0803ee3f9380ed3e596d9dd414003f6b2693c879b27741e998838f3ed01be86863e35cfa621969cbff6fb83308fbd43e93b93c82fc21a9357a SHA512 016a5887790379abc44dd0f255a1a2c6c72b5e10368386cfc37ce7f57225d402e74bda6fffd7b0777956eaec765f7dbbf95c15ee776a74b028b18e9adebe2c7f
+EBUILD rust-1.86.0_beta20250225.ebuild 25724 BLAKE2B 30d1ded795e903d397c9a419cb4730b744f3b0810afda47808b6f63e09ed5ebf09afe495c3c9079681e1cf298d8b113894ee07b3fdd50901d77f6fea2f415a2b SHA512 a2f3745de503edf376f37c1978ce0369006d65207598a35fb87b7176f0fb8fe613de02c52145b0965085665aa6b59c98bad61166d7c5258a07d0628ee140eca7
+EBUILD rust-9999.ebuild 25383 BLAKE2B 185b821fb069a9f8a3dc701166359fc00281b683ce265f7a28d2ed3d0ea1a37de9e34c62aec4d821a4751bb71e872e991e20d841c88d1673a8858223b4d0d1e0 SHA512 8bbff68b923b0b3c63b5416a43e3f038fd1f514c1025cfc635efeb09f1f0521c08c29b927077494df4130215ba03a3eb36de7bf79998e4f0272270aade5d5ca8
 MISC metadata.xml 1841 BLAKE2B 48a8167ae44a7f4892b917895298627ac920af6c488180980e65bdeec53b650455fc6d7dddad0a7a8257d473080082377fb6b6df6a834b294b6e6485e6784a1e SHA512 1f5fd792b65ccac89a61233004980d9f7cbaecea5d05f35f9cc2dc9cab4e3ccfcd46828e88770a1b8ba5ca23064b6a75eea72a0b32bcce52bb399b85ac95f755
diff --git a/dev-lang/rust/rust-1.71.1-r101.ebuild b/dev-lang/rust/rust-1.71.1-r101.ebuild
index ae1366fb5ce3..ec66165dfcf7 100644
--- a/dev-lang/rust/rust-1.71.1-r101.ebuild
+++ b/dev-lang/rust/rust-1.71.1-r101.ebuild
@@ -333,7 +333,7 @@ src_configure() {
 		debuginfo-level-tests = 0
 		backtrace = true
 		incremental = false
-		default-linker = "$(tc-getCC)"
+		default-linker = "${CHOST}-cc"
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
 		description = "gentoo"
diff --git a/dev-lang/rust/rust-1.74.1-r101.ebuild b/dev-lang/rust/rust-1.74.1-r101.ebuild
index 3e8a2fb536d3..94eac9223808 100644
--- a/dev-lang/rust/rust-1.74.1-r101.ebuild
+++ b/dev-lang/rust/rust-1.74.1-r101.ebuild
@@ -399,7 +399,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.75.0-r101.ebuild b/dev-lang/rust/rust-1.75.0-r101.ebuild
index c0b81f631aa2..a193ef225932 100644
--- a/dev-lang/rust/rust-1.75.0-r101.ebuild
+++ b/dev-lang/rust/rust-1.75.0-r101.ebuild
@@ -365,7 +365,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.76.0-r101.ebuild b/dev-lang/rust/rust-1.76.0-r101.ebuild
index f6114fd34e18..c62b7eb8145c 100644
--- a/dev-lang/rust/rust-1.76.0-r101.ebuild
+++ b/dev-lang/rust/rust-1.76.0-r101.ebuild
@@ -364,7 +364,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.77.1-r101.ebuild b/dev-lang/rust/rust-1.77.1-r101.ebuild
index 8ecaf535a291..c806ab1fe758 100644
--- a/dev-lang/rust/rust-1.77.1-r101.ebuild
+++ b/dev-lang/rust/rust-1.77.1-r101.ebuild
@@ -363,7 +363,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.78.0-r101.ebuild b/dev-lang/rust/rust-1.78.0-r101.ebuild
index f87df749f847..20ec7fa25ee7 100644
--- a/dev-lang/rust/rust-1.78.0-r101.ebuild
+++ b/dev-lang/rust/rust-1.78.0-r101.ebuild
@@ -362,7 +362,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.79.0-r101.ebuild b/dev-lang/rust/rust-1.79.0-r101.ebuild
index 96171bb99b28..7954db900f46 100644
--- a/dev-lang/rust/rust-1.79.0-r101.ebuild
+++ b/dev-lang/rust/rust-1.79.0-r101.ebuild
@@ -362,7 +362,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.80.1-r101.ebuild b/dev-lang/rust/rust-1.80.1-r101.ebuild
index e535b914f811..a16db5442801 100644
--- a/dev-lang/rust/rust-1.80.1-r101.ebuild
+++ b/dev-lang/rust/rust-1.80.1-r101.ebuild
@@ -361,7 +361,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.81.0-r101.ebuild b/dev-lang/rust/rust-1.81.0-r101.ebuild
index c6fee6b41ad7..d6ba0f33baa0 100644
--- a/dev-lang/rust/rust-1.81.0-r101.ebuild
+++ b/dev-lang/rust/rust-1.81.0-r101.ebuild
@@ -365,7 +365,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.82.0-r102.ebuild b/dev-lang/rust/rust-1.82.0-r102.ebuild
index d68d0e8f12d8..d6ee9ac416de 100644
--- a/dev-lang/rust/rust-1.82.0-r102.ebuild
+++ b/dev-lang/rust/rust-1.82.0-r102.ebuild
@@ -373,7 +373,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.83.0-r2.ebuild b/dev-lang/rust/rust-1.83.0-r2.ebuild
index 08cb004f06d1..b85f493c6ca7 100644
--- a/dev-lang/rust/rust-1.83.0-r2.ebuild
+++ b/dev-lang/rust/rust-1.83.0-r2.ebuild
@@ -373,7 +373,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.84.0-r1.ebuild b/dev-lang/rust/rust-1.84.0-r1.ebuild
index 298a05164946..6fc4e46d7241 100644
--- a/dev-lang/rust/rust-1.84.0-r1.ebuild
+++ b/dev-lang/rust/rust-1.84.0-r1.ebuild
@@ -374,7 +374,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.84.1-r1.ebuild b/dev-lang/rust/rust-1.84.1-r1.ebuild
index ae4c72a90cf2..4dd53ebc8d05 100644
--- a/dev-lang/rust/rust-1.84.1-r1.ebuild
+++ b/dev-lang/rust/rust-1.84.1-r1.ebuild
@@ -374,7 +374,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		parallel-compiler = $(toml_usex parallel-compiler)
 		channel = "$(usex nightly nightly stable)"
diff --git a/dev-lang/rust/rust-1.85.0-r1.ebuild b/dev-lang/rust/rust-1.85.0-r1.ebuild
index 5a2b6ef48451..011b8572a939 100644
--- a/dev-lang/rust/rust-1.85.0-r1.ebuild
+++ b/dev-lang/rust/rust-1.85.0-r1.ebuild
@@ -462,7 +462,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		channel = "${build_channel}"
 		description = "gentoo"
diff --git a/dev-lang/rust/rust-1.85.0.ebuild b/dev-lang/rust/rust-1.85.0.ebuild
index ce74a475077e..e7079ae7c11e 100644
--- a/dev-lang/rust/rust-1.85.0.ebuild
+++ b/dev-lang/rust/rust-1.85.0.ebuild
@@ -461,7 +461,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		channel = "${build_channel}"
 		description = "gentoo"
diff --git a/dev-lang/rust/rust-1.85.1.ebuild b/dev-lang/rust/rust-1.85.1.ebuild
new file mode 100644
index 000000000000..011b8572a939
--- /dev/null
+++ b/dev-lang/rust/rust-1.85.1.ebuild
@@ -0,0 +1,800 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+LLVM_COMPAT=( 19 )
+PYTHON_COMPAT=( python3_{10..13} )
+
+RUST_MAX_VER=${PV%%_*}
+if [[ ${PV} == *9999* ]]; then
+	RUST_MIN_VER="1.85.0" # Update this as new `beta` releases come out.
+elif [[ ${PV} == *beta* ]]; then
+	# Enforce that `beta` is built from `stable`.
+	# While uncommon it is possible for feature changes within `beta` to result
+	# in an older snapshot being unable to build a newer one without modifying the sources.
+	# 'stable' releases should always be able to build a beta snapshot so just use those.
+	RUST_MAX_VER="$(ver_cut 1).$(($(ver_cut 2) - 1)).1"
+	RUST_MIN_VER="$(ver_cut 1).$(($(ver_cut 2) - 1)).0"
+else
+	RUST_MIN_VER="$(ver_cut 1).$(($(ver_cut 2) - 1)).0"
+fi
+
+inherit check-reqs estack flag-o-matic llvm-r1 multiprocessing optfeature \
+	multilib multilib-build python-any-r1 rust rust-toolchain toolchain-funcs verify-sig
+
+if [[ ${PV} = *9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/rust-lang/rust.git"
+	EGIT_SUBMODULES=(
+		"*"
+		"-src/gcc"
+	)
+elif [[ ${PV} == *beta* ]]; then
+	# Identify the snapshot date of the beta release:
+	# curl -Ls static.rust-lang.org/dist/channel-rust-beta.toml | grep beta-src.tar.xz
+	betaver=${PV//*beta}
+	BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+	MY_P="rustc-beta"
+	SRC_URI="https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz
+		verify-sig? ( https://static.rust-lang.org/dist/${BETA_SNAPSHOT}/rustc-beta-src.tar.xz.asc
+			-> rustc-${PV}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+else
+	MY_P="rustc-${PV}"
+	SRC_URI="https://static.rust-lang.org/dist/${MY_P}-src.tar.xz
+		verify-sig? ( https://static.rust-lang.org/dist/${MY_P}-src.tar.xz.asc )
+	"
+	S="${WORKDIR}/${MY_P}-src"
+	KEYWORDS="~amd64 ~arm ~arm64 ~loong ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+DESCRIPTION="Systems programming language originally developed by Mozilla"
+HOMEPAGE="https://www.rust-lang.org/"
+
+# keep in sync with llvm ebuild of the same version as bundled one.
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARC ARM AVR BPF CSKY DirectX Hexagon Lanai
+	LoongArch M68k Mips MSP430 NVPTX PowerPC RISCV Sparc SPIRV SystemZ VE
+	WebAssembly X86 XCore Xtensa )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?}
+
+# https://github.com/rust-lang/llvm-project/blob/rustc-1.84.0/llvm/CMakeLists.txt
+_ALL_RUST_EXPERIMENTAL_TARGETS=( ARC CSKY DirectX M68k SPIRV Xtensa )
+declare -A ALL_RUST_EXPERIMENTAL_TARGETS
+for _x in "${_ALL_RUST_EXPERIMENTAL_TARGETS[@]}"; do
+	ALL_RUST_EXPERIMENTAL_TARGETS["llvm_targets_${_x}"]=0
+done
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4"
+SLOT="${PV%%_*}" # Beta releases get to share the same SLOT as the eventual stable
+
+IUSE="big-endian clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind lto rustfmt rust-analyzer rust-src system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
+
+if [[ ${PV} = *9999* ]]; then
+	# These USE flags require nightly rust
+	IUSE+=" miri"
+fi
+
+LLVM_DEPEND=()
+# splitting usedeps needed to avoid CI/pkgcheck's UncheckableDep limitation
+for _x in "${ALL_LLVM_TARGETS[@]}"; do
+	LLVM_DEPEND+=( "	${_x}? ( $(llvm_gen_dep "llvm-core/llvm:\${LLVM_SLOT}[${_x}]") )" )
+	if [[ -v ALL_RUST_EXPERIMENTAL_TARGETS["${_x}"] ]] ; then
+		ALL_RUST_EXPERIMENTAL_TARGETS["${_x}"]=1
+	fi
+done
+LLVM_DEPEND+=( "	wasm? ( $(llvm_gen_dep 'llvm-core/lld:${LLVM_SLOT}') )" )
+LLVM_DEPEND+=( "	$(llvm_gen_dep 'llvm-core/llvm:${LLVM_SLOT}')" )
+
+BDEPEND="${PYTHON_DEPS}
+	app-eselect/eselect-rust
+	|| (
+		>=sys-devel/gcc-4.7[cxx]
+		>=llvm-core/clang-3.5
+	)
+	!system-llvm? (
+		>=dev-build/cmake-3.13.4
+		app-alternatives/ninja
+	)
+	test? ( dev-debug/gdb )
+	verify-sig? ( sec-keys/openpgp-keys-rust )
+"
+
+DEPEND="
+	>=app-arch/xz-utils-5.2
+	net-misc/curl:=[http2,ssl]
+	sys-libs/zlib:=
+	dev-libs/openssl:0=
+	system-llvm? (
+		${LLVM_DEPEND[*]}
+		llvm-libunwind? ( llvm-runtimes/libunwind:= )
+	)
+	!system-llvm? (
+		!llvm-libunwind? (
+			elibc_musl? ( sys-libs/libunwind:= )
+		)
+	)
+"
+
+RDEPEND="${DEPEND}
+	app-eselect/eselect-rust
+	dev-lang/rust-common
+	sys-apps/lsb-release
+	!dev-lang/rust:stable
+	!dev-lang/rust-bin:stable
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+	rust-analyzer? ( rust-src )
+	test? ( ${ALL_LLVM_TARGETS[*]} )
+	wasm? ( llvm_targets_WebAssembly )
+	x86? ( cpu_flags_x86_sse2 )
+"
+
+# we don't use cmake.eclass, but can get a warning
+CMAKE_WARN_UNUSED_CLI=no
+
+QA_FLAGS_IGNORED="
+	usr/lib/${PN}/${SLOT}/bin/.*
+	usr/lib/${PN}/${SLOT}/libexec/.*
+	usr/lib/${PN}/${SLOT}/lib/lib.*.so
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/bin/.*
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_SONAME="
+	usr/lib/${PN}/${SLOT}/lib/lib.*.so.*
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_PRESTRIPPED="
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/bin/rust-llvm-dwp
+	usr/lib/${PN}/${SLOT}/lib/rustlib/.*/lib/self-contained/crtn.o
+"
+
+# An rmeta file is custom binary format that contains the metadata for the crate.
+# rmeta files do not support linking, since they do not contain compiled object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${PN}/${SLOT}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+# causes double bootstrap
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=/usr/share/openpgp-keys/rust.asc
+
+PATCHES=(
+	"${FILESDIR}"/1.85.0-cross-compile-libz.patch
+	"${FILESDIR}"/1.85.0-musl-dynamic-linking.patch
+	"${FILESDIR}"/1.67.0-doc-wasm.patch
+)
+
+clear_vendor_checksums() {
+	sed -i 's/\("files":{\)[^}]*/\1/' "vendor/${1}/.cargo-checksum.json" || die
+}
+
+toml_usex() {
+	usex "${1}" true false
+}
+
+src_unpack() {
+	if [[ ${PV} = *9999* ]]; then
+		git-r3_src_unpack
+		mkdir "${S}/.cargo" || die # The vendor script has a check for .cargo/config{,.toml}
+		touch "${S}/.cargo/config.toml" || die
+		local rust_stage0_root="$(${RUSTC} --print sysroot || die "Can't determine rust's sysroot")"
+		local rust_build=""
+		local rust_host=""
+		# Configure vendor to use the portage-provided toolchain. This prevents it from
+		# attempting to fetch a `beta` toolchain from the internet.
+		cat <<- _EOF_ > "${T}/vendor-config.toml"
+			[build]
+			build = "$(rust_abi "${CBUILD}")"
+			host = ["$(rust_abi "${CHOST}")"]
+			target = ["$(rust_abi "${CHOST}")"]
+			cargo = "${rust_stage0_root}/bin/cargo"
+			rustc = "${rust_stage0_root}/bin/rustc"
+			rustfmt = "${rust_stage0_root}/bin/rustfmt"
+		_EOF_
+		# We're using git sources so we need to run the Vendor script
+		# to ensure that all dependencies are present and up-to-date
+		mkdir "${S}/vendor" || die
+		# This also compiles the 'build helper', there's no way to avoid this.
+		${EPYTHON} "${S}"/x.py vendor -vvv --config="${T}"/vendor-config.toml -j$(makeopts_jobs) ||
+			die "Failed to vendor dependencies"
+		# TODO: This has to be generated somehow, this is from a 1.84.x tarball I had lying around.
+		cat <<- _EOF_ > "${S}/.cargo/config.toml"
+			[source.crates-io]
+			replace-with = "vendored-sources"
+
+			[source."git+https://github.com/rust-lang/team"]
+			git = "https://github.com/rust-lang/team"
+			replace-with = "vendored-sources"
+
+			[source.vendored-sources]
+			directory = "vendor"
+		_EOF_
+	else
+		verify-sig_src_unpack
+	fi
+}
+
+pre_build_checks() {
+	local M=9216
+	# multiply requirements by 1.3 if we are doing x86-multilib
+	if use amd64; then
+		M=$(( $(usex abi_x86_32 13 10) * ${M} / 10 ))
+	fi
+	M=$(( $(usex clippy 128 0) + ${M} ))
+	if [[ ${PV} == *9999* ]]; then
+		M=$(( $(usex miri 128 0) + ${M} ))
+	fi
+	M=$(( $(usex rustfmt 256 0) + ${M} ))
+	# add 2G if we compile llvm and 256M per llvm_target
+	if ! use system-llvm; then
+		M=$(( 2048 + ${M} ))
+		local ltarget
+		for ltarget in ${ALL_LLVM_TARGETS[@]}; do
+			M=$(( $(usex ${ltarget} 256 0) + ${M} ))
+		done
+	fi
+	M=$(( $(usex wasm 256 0) + ${M} ))
+	M=$(( $(usex debug 2 1) * ${M} ))
+	eshopts_push -s extglob
+	if is-flagq '-g?(gdb)?([1-9])'; then
+		M=$(( 15 * ${M} / 10 ))
+	fi
+	eshopts_pop
+	M=$(( $(usex doc 256 0) + ${M} ))
+	CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+llvm_check_deps() {
+	has_version -r "llvm-core/llvm:${LLVM_SLOT}[${LLVM_TARGET_USEDEPS// /,}]"
+}
+
+# Is LLVM being linked against libc++?
+is_libcxx_linked() {
+	local code='#include <ciso646>
+#if defined(_LIBCPP_VERSION)
+	HAVE_LIBCXX
+#endif
+'
+	local out=$($(tc-getCXX) ${CXXFLAGS} ${CPPFLAGS} -x c++ -E -P - <<<"${code}") || return 1
+	[[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+pkg_pretend() {
+	pre_build_checks
+}
+
+pkg_setup() {
+	pre_build_checks
+	python-any-r1_pkg_setup
+
+	export LIBGIT2_NO_PKG_CONFIG=1 #749381
+	if tc-is-cross-compiler; then
+		use system-llvm && die "USE=system-llvm not allowed when cross-compiling"
+		local cross_llvm_target="$(llvm_tuple_to_target "${CBUILD}")"
+		use "llvm_targets_${cross_llvm_target}" || \
+			die "Must enable LLVM_TARGETS=${cross_llvm_target} matching CBUILD=${CBUILD} when cross-compiling"
+	fi
+
+	rust_pkg_setup
+
+	if use system-llvm; then
+		llvm-r1_pkg_setup
+
+		local llvm_config="$(get_llvm_prefix)/bin/llvm-config"
+		export LLVM_LINK_SHARED=1
+		export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)"
+	fi
+}
+
+src_prepare() {
+	if [[ ${PV} = *9999* ]]; then
+		# We need to update / generate lockfiles for the workspace
+		${CARGO} generate-lockfile --offline
+
+	fi
+	# Rust baselines to Pentium4 on x86, this patch lowers the baseline to i586 when sse2 is not set.
+	if use x86; then
+		if ! use cpu_flags_x86_sse2; then
+			eapply "${FILESDIR}/1.82.0-i586-baseline.patch"
+			#grep -rl cmd.args.push\(\"-march=i686\" . | xargs sed  -i 's/march=i686/-march=i586/g' || die
+		fi
+	fi
+
+	default
+}
+
+src_configure() {
+	if tc-is-cross-compiler; then
+		export PKG_CONFIG_ALLOW_CROSS=1
+		export PKG_CONFIG_PATH="${ESYSROOT}/usr/$(get_libdir)/pkgconfig"
+		export OPENSSL_INCLUDE_DIR="${ESYSROOT}/usr/include"
+		export OPENSSL_LIB_DIR="${ESYSROOT}/usr/$(get_libdir)"
+	fi
+
+	filter-lto # https://bugs.gentoo.org/862109 https://bugs.gentoo.org/866231
+
+	local rust_target="" rust_targets="" arch_cflags
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_targets+=",\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
+	done
+	if use wasm; then
+		rust_targets+=",\"wasm32-unknown-unknown\""
+		if use system-llvm; then
+			# un-hardcode rust-lld linker for this target
+			# https://bugs.gentoo.org/715348
+			sed -i '/linker:/ s/rust-lld/wasm-ld/' compiler/rustc_target/src/spec/base/wasm.rs || die
+		fi
+	fi
+	rust_targets="${rust_targets#,}"
+
+	# cargo and rustdoc are mandatory and should always be included
+	local tools='"cargo","rustdoc"'
+	use clippy && tools+=',"clippy"'
+	use rustfmt && tools+=',"rustfmt"'
+	use rust-analyzer && tools+=',"rust-analyzer","rust-analyzer-proc-macro-srv"'
+	use rust-src && tools+=',"src"'
+
+	if [[ ${PV} == *9999* ]]; then
+		use miri && tools+=',"miri"'
+	fi
+
+	local rust_stage0_root="$(${RUSTC} --print sysroot || die "Can't determine rust's sysroot")"
+	# in case of prefix it will be already prefixed, as --print sysroot returns full path
+	[[ -d ${rust_stage0_root} ]] || die "${rust_stage0_root} is not a directory"
+
+	rust_target="$(rust_abi)"
+	rust_build="$(rust_abi "${CBUILD}")"
+	rust_host="$(rust_abi "${CHOST}")"
+
+	RUST_EXPERIMENTAL_TARGETS=()
+	for _x in "${!ALL_RUST_EXPERIMENTAL_TARGETS[@]}"; do
+		if [[ ${ALL_RUST_EXPERIMENTAL_TARGETS[${_x}]} == 1 ]] && use ${_x} ; then
+			RUST_EXPERIMENTAL_TARGETS+=( ${_x#llvm_targets_} )
+		fi
+	done
+	RUST_EXPERIMENTAL_TARGETS=${RUST_EXPERIMENTAL_TARGETS[@]}
+
+	local cm_btype="$(usex debug DEBUG RELEASE)"
+	local build_channel
+	local build_miri="false"
+	case "${PV}" in
+		*9999*)
+			build_channel="nightly"
+			;;
+		*beta*)
+			build_channel="beta"
+			;;
+		*)
+			build_channel="stable"
+			;;
+	esac
+	cat <<- _EOF_ > "${S}"/config.toml
+		# https://github.com/rust-lang/rust/issues/135358 (bug #947897)
+		profile = "dist"
+		[llvm]
+		download-ci-llvm = false
+		optimize = $(toml_usex !debug)
+		release-debuginfo = $(toml_usex debug)
+		assertions = $(toml_usex debug)
+		ninja = true
+		targets = "${LLVM_TARGETS// /;}"
+		experimental-targets = "${RUST_EXPERIMENTAL_TARGETS// /;}"
+		link-shared = $(toml_usex system-llvm)
+		$(if is_libcxx_linked; then
+			# https://bugs.gentoo.org/732632
+			echo "use-libcxx = true"
+			echo "static-libstdcpp = false"
+		fi)
+		$(case "${rust_target}" in
+			i586-*-linux-*)
+				# https://github.com/rust-lang/rust/issues/93059
+				echo 'cflags = "-fcf-protection=none"'
+				echo 'cxxflags = "-fcf-protection=none"'
+				echo 'ldflags = "-fcf-protection=none"'
+				;;
+			*)
+				;;
+		esac)
+		enable-warnings = false
+		[llvm.build-config]
+		CMAKE_VERBOSE_MAKEFILE = "ON"
+		$(if ! tc-is-cross-compiler; then
+			# When cross-compiling, LLVM is compiled twice, once for host and
+			# once for target.  Unfortunately, this build configuration applies
+			# to both, which means any flags applicable to one target but not
+			# the other will break.  Conditionally disable respecting user
+			# flags when cross-compiling.
+			echo "CMAKE_C_FLAGS_${cm_btype} = \"${CFLAGS}\""
+			echo "CMAKE_CXX_FLAGS_${cm_btype} = \"${CXXFLAGS}\""
+			echo "CMAKE_EXE_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_MODULE_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_SHARED_LINKER_FLAGS_${cm_btype} = \"${LDFLAGS}\""
+			echo "CMAKE_STATIC_LINKER_FLAGS_${cm_btype} = \"${ARFLAGS}\""
+		fi)
+		[build]
+		build-stage = 2
+		test-stage = 2
+		build = "${rust_build}"
+		host = ["${rust_host}"]
+		target = [${rust_targets}]
+		cargo = "${rust_stage0_root}/bin/cargo"
+		rustc = "${rust_stage0_root}/bin/rustc"
+		rustfmt = "${rust_stage0_root}/bin/rustfmt"
+		docs = $(toml_usex doc)
+		compiler-docs = false
+		submodules = false
+		python = "${EPYTHON}"
+		locked-deps = true
+		vendor = true
+		extended = true
+		tools = [${tools}]
+		verbose = 2
+		sanitizers = false
+		profiler = true
+		cargo-native-static = false
+		[install]
+		prefix = "${EPREFIX}/usr/lib/${PN}/${SLOT}"
+		sysconfdir = "etc"
+		docdir = "share/doc/rust"
+		bindir = "bin"
+		libdir = "lib"
+		mandir = "share/man"
+		[rust]
+		# https://github.com/rust-lang/rust/issues/54872
+		codegen-units-std = 1
+		optimize = true
+		debug = $(toml_usex debug)
+		debug-assertions = $(toml_usex debug)
+		debug-assertions-std = $(toml_usex debug)
+		debuginfo-level = $(usex debug 2 0)
+		debuginfo-level-rustc = $(usex debug 2 0)
+		debuginfo-level-std = $(usex debug 2 0)
+		debuginfo-level-tools = $(usex debug 2 0)
+		debuginfo-level-tests = 0
+		backtrace = true
+		incremental = false
+		$(if ! tc-is-cross-compiler; then
+			echo "default-linker = \"${CHOST}-cc\""
+		fi)
+		channel = "${build_channel}"
+		description = "gentoo"
+		rpath = true
+		verbose-tests = true
+		optimize-tests = $(toml_usex !debug)
+		codegen-tests = true
+		dist-src = false
+		remap-debuginfo = true
+		lld = $(usex system-llvm false $(toml_usex wasm))
+		# only deny warnings if doc+wasm are NOT requested, documenting stage0 wasm std fails without it
+		# https://github.com/rust-lang/rust/issues/74976
+		# https://github.com/rust-lang/rust/issues/76526
+		deny-warnings = $(usex wasm $(usex doc false true) true)
+		backtrace-on-ice = true
+		jemalloc = false
+		# See https://github.com/rust-lang/rust/issues/121124
+		lto = "$(usex lto thin off)"
+		[dist]
+		src-tarball = false
+		compression-formats = ["xz"]
+		compression-profile = "balanced"
+	_EOF_
+
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_target=$(rust_abi $(get_abi_CHOST ${v##*.}))
+		arch_cflags="$(get_abi_CFLAGS ${v##*.})"
+
+		export CFLAGS_${rust_target//-/_}="${arch_cflags}"
+
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.${rust_target}]
+			ar = "$(tc-getAR)"
+			cc = "$(tc-getCC)"
+			cxx = "$(tc-getCXX)"
+			linker = "$(tc-getCC)"
+			ranlib = "$(tc-getRANLIB)"
+			llvm-libunwind = "$(usex llvm-libunwind $(usex system-llvm system in-tree) no)"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix)/bin/llvm-config"
+			_EOF_
+		fi
+		# by default librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
+		# but we patch it and set to false here as well
+		if use elibc_musl; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				crt-static = false
+				musl-root = "$($(tc-getCC) -print-sysroot)/usr"
+			_EOF_
+		fi
+	done
+	if use wasm; then
+		wasm_target="wasm32-unknown-unknown"
+		export CFLAGS_${wasm_target//-/_}="$(filter-flags '-mcpu*' '-march*' '-mtune*'; echo "$CFLAGS")"
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.wasm32-unknown-unknown]
+			linker = "$(usex system-llvm lld rust-lld)"
+			# wasm target does not have profiler_builtins https://bugs.gentoo.org/848483
+			profiler = false
+		_EOF_
+	fi
+
+	if [[ -n ${I_KNOW_WHAT_I_AM_DOING_CROSS} ]]; then # whitespace intentionally shifted below
+	# experimental cross support
+	# discussion: https://bugs.gentoo.org/679878
+	# TODO: c*flags, clang, system-llvm, cargo.eclass target support
+	# it would be much better if we could split out stdlib
+	# complilation to separate ebuild and abuse CATEGORY to
+	# just install to /usr/lib/rustlib/<target>
+
+	# extra targets defined as a bash array
+	# spec format:  <LLVM target>:<rust-target>:<CTARGET>
+	# best place would be /etc/portage/env/dev-lang/rust
+	# Example:
+	# RUST_CROSS_TARGETS=(
+	#	"AArch64:aarch64-unknown-linux-gnu:aarch64-unknown-linux-gnu"
+	# )
+	# no extra hand holding is done, no target transformations, all
+	# values are passed as-is with just basic checks, so it's up to user to supply correct values
+	# valid rust targets can be obtained with
+	# 	rustc --print target-list
+	# matching cross toolchain has to be installed
+	# matching LLVM_TARGET has to be enabled for both rust and llvm (if using system one)
+	# only gcc toolchains installed with crossdev are checked for now.
+
+	# BUG: we can't pass host flags to cross compiler, so just filter for now
+	# BUG: this should be more fine-grained.
+	filter-flags '-mcpu=*' '-march=*' '-mtune=*'
+
+	local cross_target_spec
+	for cross_target_spec in "${RUST_CROSS_TARGETS[@]}";do
+		# extracts first element form <LLVM target>:<rust-target>:<CTARGET>
+		local cross_llvm_target="${cross_target_spec%%:*}"
+		# extracts toolchain triples, <rust-target>:<CTARGET>
+		local cross_triples="${cross_target_spec#*:}"
+		# extracts first element after before : separator
+		local cross_rust_target="${cross_triples%%:*}"
+		# extracts last element after : separator
+		local cross_toolchain="${cross_triples##*:}"
+		use llvm_targets_${cross_llvm_target} || die "need llvm_targets_${cross_llvm_target} target enabled"
+		command -v ${cross_toolchain}-gcc > /dev/null 2>&1 || die "need ${cross_toolchain} cross toolchain"
+
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.${cross_rust_target}]
+			ar = "${cross_toolchain}-ar"
+			cc = "${cross_toolchain}-gcc"
+			cxx = "${cross_toolchain}-g++"
+			linker = "${cross_toolchain}-gcc"
+			ranlib = "${cross_toolchain}-ranlib"
+		_EOF_
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix)/bin/llvm-config"
+			_EOF_
+		fi
+		if [[ "${cross_toolchain}" == *-musl* ]]; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				musl-root = "$(${cross_toolchain}-gcc -print-sysroot)/usr"
+			_EOF_
+		fi
+
+		# append cross target to "normal" target list
+		# example 'target = ["powerpc64le-unknown-linux-gnu"]'
+		# becomes 'target = ["powerpc64le-unknown-linux-gnu","aarch64-unknown-linux-gnu"]'
+
+		rust_targets="${rust_targets},\"${cross_rust_target}\""
+		sed -i "/^target = \[/ s#\[.*\]#\[${rust_targets}\]#" config.toml || die
+
+		ewarn
+		ewarn "Enabled ${cross_rust_target} rust target"
+		ewarn "Using ${cross_toolchain} cross toolchain"
+		ewarn
+		if ! has_version -b 'sys-devel/binutils[multitarget]' ; then
+			ewarn "'sys-devel/binutils[multitarget]' is not installed"
+			ewarn "'strip' will be unable to strip cross libraries"
+			ewarn "cross targets will be installed with full debug information"
+			ewarn "enable 'multitarget' USE flag for binutils to be able to strip object files"
+			ewarn
+			ewarn "Alternatively llvm-strip can be used, it supports stripping any target"
+			ewarn "define STRIP=\"llvm-strip\" to use it (experimental)"
+			ewarn
+		fi
+	done
+	fi # I_KNOW_WHAT_I_AM_DOING_CROSS
+
+	einfo "Rust configured with the following flags:"
+	echo
+	echo RUSTFLAGS="\"${RUSTFLAGS}\""
+	echo RUSTFLAGS_BOOTSTRAP="\"${RUSTFLAGS_BOOTSTRAP}\""
+	echo RUSTFLAGS_NOT_BOOTSTRAP="\"${RUSTFLAGS_NOT_BOOTSTRAP}\""
+	echo MAGIC_EXTRA_RUSTFLAGS="\"${MAGIC_EXTRA_RUSTFLAGS}\""
+	env | grep "CARGO_TARGET_.*_RUSTFLAGS="
+	env | grep "CFLAGS_.*"
+	echo
+	einfo "config.toml contents:"
+	cat "${S}"/config.toml || die
+	echo
+}
+
+src_compile() {
+	RUST_BACKTRACE=1 "${EPYTHON}" ./x.py build -vvv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+}
+
+src_test() {
+	# https://rustc-dev-guide.rust-lang.org/tests/intro.html
+
+	# those are basic and codegen tests.
+	local tests=(
+		codegen
+		codegen-units
+		compile-fail
+		incremental
+		mir-opt
+		pretty
+		run-make
+	)
+
+	# fails if llvm is not built with ALL targets.
+	# and known to fail with system llvm sometimes.
+	use system-llvm || tests+=( assembly )
+
+	# fragile/expensive/less important tests
+	# or tests that require extra builds
+	# TODO: instead of skipping, just make some nonfatal.
+	if [[ ${ERUST_RUN_EXTRA_TESTS:-no} != no ]]; then
+		tests+=(
+			rustdoc
+			rustdoc-js
+			rustdoc-js-std
+			rustdoc-ui
+			run-make-fulldeps
+			ui
+			ui-fulldeps
+		)
+	fi
+
+	local i failed=()
+	einfo "rust_src_test: enabled tests ${tests[@]/#/src/test/}"
+	for i in "${tests[@]}"; do
+		local t="src/test/${i}"
+		einfo "rust_src_test: running ${t}"
+		if ! RUST_BACKTRACE=1 "${EPYTHON}" ./x.py test -vv --config="${S}"/config.toml \
+				-j$(makeopts_jobs) --no-doc --no-fail-fast "${t}"
+		then
+				failed+=( "${t}" )
+				eerror "rust_src_test: ${t} failed"
+		fi
+	done
+
+	if [[ ${#failed[@]} -ne 0 ]]; then
+		eerror "rust_src_test: failure summary: ${failed[@]}"
+		die "aborting due to test failures"
+	fi
+}
+
+src_install() {
+	DESTDIR="${D}" "${EPYTHON}" ./x.py install -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+
+	docompress /usr/lib/${PN}/${SLOT}/share/man/
+
+	# bug #689562, #689160
+	rm -v "${ED}/usr/lib/${PN}/${SLOT}/etc/bash_completion.d/cargo" || die
+	rmdir -v "${ED}/usr/lib/${PN}/${SLOT}"/etc{/bash_completion.d,} || die
+
+	local symlinks=(
+		cargo
+		rustc
+		rustdoc
+		rust-gdb
+		rust-gdbgui
+		rust-lldb
+	)
+
+	use clippy && symlinks+=( clippy-driver cargo-clippy )
+	if [[ ${PV} = *9999* ]]; then
+		use miri && symlinks+=( miri cargo-miri )
+	fi
+	use rustfmt && symlinks+=( rustfmt cargo-fmt )
+	use rust-analyzer && symlinks+=( rust-analyzer )
+
+	einfo "installing eselect-rust symlinks and paths: ${symlinks[@]}"
+	local i
+	for i in "${symlinks[@]}"; do
+		# we need realpath on /usr/bin/* symlink return version-appended binary path.
+		# so /usr/bin/rustc should point to /usr/lib/rust/<ver>/bin/rustc-<ver>
+		# need to fix eselect-rust to remove this hack.
+		local ver_i="${i}-${PV%%_*}"
+		if [[ -f "${ED}/usr/lib/${PN}/${SLOT}/bin/${i}" ]]; then
+			einfo "Installing ${i} symlink"
+			ln -v "${ED}/usr/lib/${PN}/${SLOT}/bin/${i}" "${ED}/usr/lib/${PN}/${SLOT}/bin/${ver_i}" || die
+		else
+			ewarn "${i} symlink requested, but source file not found"
+			ewarn "please report this"
+		fi
+		dosym "../lib/${PN}/${SLOT}/bin/${ver_i}" "/usr/bin/${ver_i}"
+	done
+
+	# symlinks to switch components to active rust in eselect
+	dosym "${SLOT}/lib" "/usr/lib/${PN}/lib-${SLOT}"
+	use rust-analyzer && dosym "${SLOT}/libexec" "/usr/lib/${PN}/libexec-${SLOT}"
+	dosym "${SLOT}/share/man" "/usr/lib/${PN}/man-${SLOT}"
+	dosym "rust/${SLOT}/lib/rustlib" "/usr/lib/rustlib-${SLOT}"
+	dosym "../../lib/${PN}/${SLOT}/share/doc/rust" "/usr/share/doc/${P}"
+
+	newenvd - "50${P}" <<-_EOF_
+		MANPATH="${EPREFIX}/usr/lib/rust/man-${SLOT}"
+	_EOF_
+
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}"/*.old || die
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}/bin"/*.old || die
+	rm -rf "${ED}/usr/lib/${PN}/${SLOT}/doc"/*.old || die
+
+	# note: eselect-rust adds EROOT to all paths below
+	cat <<-_EOF_ > "${T}/provider-${PN}-${SLOT}"
+		/usr/bin/cargo
+		/usr/bin/rustdoc
+		/usr/bin/rust-gdb
+		/usr/bin/rust-gdbgui
+		/usr/bin/rust-lldb
+		/usr/lib/rustlib
+		/usr/lib/rust/lib
+		/usr/lib/rust/man
+		/usr/share/doc/rust
+	_EOF_
+
+	if use clippy; then
+		echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+	fi
+	if [[ ${SLOT} == *9999* ]] && use miri; then
+		echo /usr/bin/miri >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+	fi
+	if use rust-analyzer; then
+		echo /usr/lib/rust/libexec >> "${T}/provider-${P}"
+		echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
+	fi
+
+	insinto /etc/env.d/rust
+	doins "${T}/provider-${PN}-${SLOT}"
+
+	if use dist; then
+		"${EPYTHON}" ./x.py dist -vv --config="${S}"/config.toml -j$(makeopts_jobs) || die
+		insinto "/usr/lib/${PN}/${SLOT}/dist"
+		doins -r "${S}/build/dist/."
+	fi
+}
+
+pkg_postinst() {
+
+	eselect rust update
+
+	if has_version dev-debug/gdb || has_version llvm-core/lldb; then
+		elog "Rust installs helper scripts for calling GDB and LLDB,"
+		elog "for convenience they are installed under /usr/bin/rust-{gdb,lldb}-${PV}."
+	fi
+
+	if has_version app-editors/emacs; then
+		optfeature "emacs support for rust" app-emacs/rust-mode
+	fi
+
+	if has_version app-editors/gvim || has_version app-editors/vim; then
+		optfeature "vim support for rust" app-vim/rust-vim
+	fi
+}
+
+pkg_postrm() {
+	eselect rust cleanup
+}
diff --git a/dev-lang/rust/rust-1.86.0_beta20250218-r1.ebuild b/dev-lang/rust/rust-1.86.0_beta20250218-r1.ebuild
index c609ba084142..bbf7e2c95c8c 100644
--- a/dev-lang/rust/rust-1.86.0_beta20250218-r1.ebuild
+++ b/dev-lang/rust/rust-1.86.0_beta20250218-r1.ebuild
@@ -469,7 +469,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		channel = "${build_channel}"
 		description = "gentoo"
diff --git a/dev-lang/rust/rust-1.86.0_beta20250225.ebuild b/dev-lang/rust/rust-1.86.0_beta20250225.ebuild
index 83f444b7cb32..7ccdcd48b3d6 100644
--- a/dev-lang/rust/rust-1.86.0_beta20250225.ebuild
+++ b/dev-lang/rust/rust-1.86.0_beta20250225.ebuild
@@ -469,7 +469,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		channel = "${build_channel}"
 		description = "gentoo"
diff --git a/dev-lang/rust/rust-9999.ebuild b/dev-lang/rust/rust-9999.ebuild
index 97c665f7828d..d7dd9d8d660c 100644
--- a/dev-lang/rust/rust-9999.ebuild
+++ b/dev-lang/rust/rust-9999.ebuild
@@ -462,7 +462,7 @@ src_configure() {
 		backtrace = true
 		incremental = false
 		$(if ! tc-is-cross-compiler; then
-			echo "default-linker = \"$(tc-getCC)\""
+			echo "default-linker = \"${CHOST}-cc\""
 		fi)
 		channel = "${build_channel}"
 		description = "gentoo"