commit:     07cb00bc9d5cca20327b14fbeb271c079b191e0c
Author:     orbea <orbea <AT> riseup <DOT> net>
AuthorDate: Wed Mar 22 02:36:28 2023 +0000
Commit:     Quentin Retornaz <gentoo <AT> retornaz <DOT> com>
CommitDate: Tue Mar 28 18:50:53 2023 +0000
URL:        https://gitweb.gentoo.org/repo/proj/libressl.git/commit/?id=07cb00bc

dev-lang/rust: Add 1.68.1

Signed-off-by: orbea <orbea <AT> riseup.net>
Closes: https://github.com/gentoo/libressl/pull/508
Signed-off-by: Quentin Retornaz <gentoo <AT> retornaz.com>

 dev-lang/rust/Manifest                             |  34 +
 ....0-ignore-broken-and-non-applicable-tests.patch |  40 ++
 dev-lang/rust/rust-1.68.1.ebuild                   | 749 +++++++++++++++++++++
 3 files changed, 823 insertions(+)

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index a1a5475..01d1ce5 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -94,9 +94,43 @@ DIST rust-1.66.1-x86_64-unknown-linux-gnu.tar.xz 186651920 
BLAKE2B de89dd720320d
 DIST rust-1.66.1-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
d313eafed62763b0905636ff22d6c736696c55e55d2442512a95e239b5b37199fdb125d312284b2a249782fa61d552284c8eb3ef8c9aa9ea36283a9fb975dd66
 SHA512 
c491f07c77baeac6b92c2425092c1b3694e72c49d4e6e511597aac03d51930cd414a95b0d691a9b23df266fba8df3dd90bf7d30624383bd213403fe0cbc83ffb
 DIST rust-1.66.1-x86_64-unknown-linux-musl.tar.xz 270294752 BLAKE2B 
b068a9400f29e9318e8d52f2c37df72f1b8fd91ca0bba342e6681544595a7f2697bf10437be6c4612a36d2781cc915920b498273ab12dbe1163c41d9d4e9b438
 SHA512 
df03ef29b03924346ef2a4b5dbf1c7ce6e33fb1f357eb04b0fa80e48a607b29f5929ce587412c9dd3f385d6382f0229c19d0ce78d6c060ddc0539429d3cfc606
 DIST rust-1.66.1-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 
a262a2a020a142ea8e3906a9c93d9294906ee51f5d22efd4ef041b6032524d2714e0b511f7deb366c0ee3337ecd52f1e091b6bfed01615eaa9026996100afe2d
 SHA512 
f390b3a788c5b15b1acee01505b6501ad4a3170cd2f23ec490b02294ce0a62c3f708f1e66c0ba8258a1042dea0401a1e09d31d34e99558f50b0f65b359354182
+DIST rust-1.67.1-aarch64-unknown-linux-gnu.tar.xz 257819328 BLAKE2B 
7d2b033f447f5df5879be3e6d55c26a96996910026db8a751e85cc1a0c034e508cb3b207f45a3ddfd491c6f97993374f5a285eb2b6cd0233954f4126db260828
 SHA512 
b49ad763f88db3414fa5b10e3462992bc880ff36437642f5fc29effe54d7b6bdef16119e039cbb7ae291f142e88b48ab213b9a51cd38c65fd57ccf2bdfaab3db
+DIST rust-1.67.1-aarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
94e00367ba680137847d41bd8bef7493eac46f04a5b42c0b8252642c30d25db5f813de3603e450cab9a1cdde4c0f065f58d03ee72c29a5c321d87a063a01d05a
 SHA512 
8b558c63fefa00ee0d50cc1b22560572ce5babd9759350f5178eb82e86230e9f9e4f9f4339dcba976e1837f167dc0e3e4f376be7352f9127f0d7af545e93694c
+DIST rust-1.67.1-aarch64-unknown-linux-musl.tar.xz 236561572 BLAKE2B 
19168415f8199dec3ce4c148394c7c86dea81df0ecb7cb776395d8f0e7b910ecf8de4c9ef7a87baadfe52af65e612779ae3de8599808032e91c726c4d967139f
 SHA512 
f2931563300d78af1c09dff10a9b8f73d441c559dfffc3907e5a2425d12027061ad2492683404cc2b58cf429446645807f6d3f70caa2dcb6cffe40ac39252f25
+DIST rust-1.67.1-aarch64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 
7f4bd1c432971ce5f5346f2f39dd1f5bdbc19f13524ee7cae82eb6a3f30a5ecb69fb367fb4e0063e06656f457cff68a2b81ba5ca896a5857312a11fbaea0baf7
 SHA512 
d568b2d4cbbcba327bd04e9253f25839e0f183c144cafa1e8104b82d64bae3515fe8f16ccce2ff975210b6f54254d451c64fc4a070b80981a945d164897b1c7f
+DIST rust-1.67.1-arm-unknown-linux-gnueabi.tar.xz 215162200 BLAKE2B 
d922e271d04e2cc18f21fcef6f1aa8f283a7bf56228a1b1a7d81be697333a0f16fdadb12e7350ae130dfac2ca78766990df2001a3b0fc898ad4233c51a7f39c2
 SHA512 
06bca6150bf088ae19fbdfc0ce74dc0a8f24c111290f9592cb65164dd6cc03c1468a599514052cafabbd1b4040673a0cea69e14b266d59a42bcd7c1701e212ba
+DIST rust-1.67.1-arm-unknown-linux-gnueabi.tar.xz.asc 801 BLAKE2B 
c85feb559064bc24b25dab825ac6758c7759cc027dad4885bc87eff0f331f1177963b39096f4ab78490c54d82a0daaab035f58a0d6992eee1acca2a1add4fb50
 SHA512 
7754053412a2d17b9092166d37ec713c45ff32c9f161fa261bc075b89b43af716861aa15ab8dcf4472ea49d6e3d2f3c4085d536946cec6ff862f75f83debb7d6
+DIST rust-1.67.1-arm-unknown-linux-gnueabihf.tar.xz 215944916 BLAKE2B 
7e04f28292669fd0c34dc317c42d67e1b27ad0b910186ee846eab88dec1c14f89a3b599a93d7c81c88c1b040052c3df11a50e6344528054095113131094acc66
 SHA512 
e4c54745b55e0a5b6b36e9dc058265ae4774855122f111a0029415df2fe5bb564cb641e332ebc1c00d792c7dce6ca370e6440ec20658012c1a605939cd8efa03
+DIST rust-1.67.1-arm-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B 
0ca0c0ed5423c89e988f0c93e4aa8d8d6cb0e401b664f9ccdb642d736f4e4cfc2fd39d0a142b07d8e5dcacddd304c8dea04617b5e3264a3865a16bfaf49d1274
 SHA512 
e573a36c401fe5c543f4505bbec1b5e7c962831aba062cdf8e417f5fc3c6eff2bd6c44a6c01bec4cc5fc4ddeea1c5023f90c7f1c44a26a39b9520fee923b61b2
+DIST rust-1.67.1-armv7-unknown-linux-gnueabihf.tar.xz 218109412 BLAKE2B 
256cf45036132ba6f4a4dceb80fef0a2bf079fd54b4119e8a869fcf9e093e76e1d7ac84eb920e272b766a328548514e7b0249b6287d8950528aa049ed92b21ba
 SHA512 
05ef4e7f2abdbed1cda6209ab3500f8532e516c7e4f9d08ef0c1cfa790c2454b952ed59a43ed4453e7385b12f672d5029c6c436601d7a34368418c0800f0126d
+DIST rust-1.67.1-armv7-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B 
cc15e8f68745d252e8851b79441684cea1f1214e7088d7ae6592a5d47719d9dd61abb01f37882775c3c00e1b318562ca050caf5ab06a665946886f50575bb1e2
 SHA512 
68d66234f3bb9c452aa4a2bb5bceaf26dcb71466f05a0aa7f7b7803a866be5cfda1bf3a8f71cc8e84c2168812641da07a0726d7f2f49882b892ae41f51465477
+DIST rust-1.67.1-i686-unknown-linux-gnu.tar.xz 235056732 BLAKE2B 
b02479f7d145b6ad3db16d62120a6b324a9db79ef0ff7a5900d7ffd9f5cff0416fa74120a70c1c2ef5bc05c6db4a70b18cf52aa49e0972a5c75becd995795803
 SHA512 
64f0f887f711b276bd9561fa258aee97bef234d84b02912c1c01ec8caccfe3b0bbfdfcfce98cbd6423043c312e577d0fa574f4c703292a58163a7d3286bbf6db
+DIST rust-1.67.1-i686-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
602b2769db2e4810fdb962ce1241118e00d3ee6131267815b9c8602298bd55d249e75ce42b4a4965aa6835d8af762d6e23fb1ba3a3b8a954ef08fa5dd88b30b2
 SHA512 
18999437af3b51b836cfeb8096c55afa2027e783d32f492eb620964c1731f367d76cf72533b35bd67f3800be4e457f4a1192aa85bfe00a41d673484f2ff56eb1
+DIST rust-1.67.1-mips-unknown-linux-gnu.tar.xz 195834044 BLAKE2B 
feab999cd49f72bb0865324c3671d92025ebca88601b2b6257ad11ec66b506e65bb3cdfc9a459014d9f2af52bfb410837c30e3bd0c85f407f8ebe4f98be7439a
 SHA512 
3dfbe7e846289cc22da42b630bee54b98749c1d659a0652559b9d4febfac6eb786da18ad1be1316aa3dccc4e213f1f20efc8556da88df7226a5d8a8890b830b2
+DIST rust-1.67.1-mips-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
100dcd13886287128065952d0b535208a0807c22175dd8fd04f16a16d76d2c9d32dd6b6da5ca929c517519e167e100607c7749ed6c512fae89e2e0313e7b7202
 SHA512 
5cebd45755d5accb15da29423eb7addf18a72326238ef6a0c2ca09776ac008490165d2b1fb069ec7a34d509bdfa7cf1212a87344e0dda4746dfb89afe404225a
+DIST rust-1.67.1-mips64-unknown-linux-gnuabi64.tar.xz 193892140 BLAKE2B 
d17cc8b42ad0e2a658dbc170dfc7256ecfd0b520cb6670eac4be63e1a92c54ff9018ee4ef9cf90b1e29d052cb6076ccbb163348b99113fd2e0d9155436129f91
 SHA512 
92e5c3238d4544583ed8ab989d598275e729e7795b0d645a822ca7cdb5be9fe419fba3a7f2d8db11393ce03ac02873ee876ae55f959609f0a6f4b4f1273a7929
+DIST rust-1.67.1-mips64-unknown-linux-gnuabi64.tar.xz.asc 801 BLAKE2B 
95c5e4829068b02c16f7e8e38b2d94a4f913bbd77b226d1c83c8cdc7ef198192b76ff67dc86f7978dd1b9cbb14bb627dc106fc2921a501c340f7d0442629f8e6
 SHA512 
32be92455ccb54328d1f62381501009e8dbe15f1b4f83e99a894bf5e7eb469a23aeeb3ef440be1ee798e00bfe865ec21d2dd6b2c58a475e1ec789425e53bd356
+DIST rust-1.67.1-mipsel-unknown-linux-gnu.tar.xz 199598332 BLAKE2B 
b894bef4c2f847a26be0badc6d069fad636f0cf1286a1643b876709ff292bfe3a2307f1a2904bf6e0c596c13dccd91baba0e0c4fcb45a7cfb71e555207a61292
 SHA512 
9574f8f078deae22bcdbeb89c7aaf1c26a49fb61cd9a7d777421497b85c243fdcbad8c25d1a80aab4ae0b03f6849628318371dc323e27e308c85ac556e2d649f
+DIST rust-1.67.1-mipsel-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
dac540a5283281c495e4cc629e7d81279c55db4fce3191af55e88cfcb857a0f86eebeff9a0b8ba95d4da4654c5b11c0fb5364db876a4464b799499285f0184a0
 SHA512 
ccc990923cb5b73391b09e8c7f4479998bb378b07ee12b5a83d6fbe6044f6925429590a116a944163a2d8f7f6a210b6f2302cb5976a99174e012b7646d7cef5c
+DIST rust-1.67.1-powerpc-unknown-linux-gnu.tar.xz 222275832 BLAKE2B 
e63426d9441a601044d8f0cc8f181bafa7f47bce972518676913d506be5566654e0afe84d63ad0c3a31596231b0a1a10c96e9246fca9bd2b0438f9d72613fc9d
 SHA512 
66fab7b5679bfe59f12dfc5b863196c2cb0b5d0f53d0bd88700586a90a6e8ad4c986fb44979b4320e74ed8b9e4c62b4ab2b3e64e44254355577fc9d1e6b688e4
+DIST rust-1.67.1-powerpc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
312da822216930be24d368f4c449b757f1b633e71b6897b19c9d45b7419ff0c39171804d2d8196a967e6e2296bbfcb87f0b2372b3260c6cb62c8fbd9fa192c4b
 SHA512 
38f5ed49201ef0a99c24dd3e0549628e4bedf53f41d62f6e719a91b3afe3aba64ef7ed51a6984b21469c1ea2c5def284d13ff035c67eeee45d304ec04b34fd2a
+DIST rust-1.67.1-powerpc64-unknown-linux-gnu.tar.xz 220473512 BLAKE2B 
d932865dbf797827507426c61107a0d89aac02d56cf552e21566ef6356173925697b72e3acf3fb8825b10814b476d28f9cee98ece21cb748d83c1526f9d7ebc6
 SHA512 
6f7b1e33da99bc46014785223bdc9aa5bfbb1a5619037cf48fe5ec46aa82e42e09fc8828b4e2b904bc122f61ccb24cf56caa7077260a1e7486dc3badf018be69
+DIST rust-1.67.1-powerpc64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
aa72e61de6481748dc29cfb0f40662fb4a7ee6c3792b67efdd55df47abdfe75db4ab1f560175a3dfaaa036a3de0435ea6e2d9ceb1b4ba315c95c561fbfde0ca0
 SHA512 
e983fe67613257744fb7a147e4b29370795d52833a247b2c568610993a6e3eb5f6212fa511cb72636bcd7209c15181dca9ace05eb4866fcd09e69afad5ad9b77
+DIST rust-1.67.1-powerpc64le-unknown-linux-gnu.tar.xz 232947736 BLAKE2B 
d7448f4a7196eb67d35f5a280d5c53bdf1e08a7ca640503bac3d8cfa5b43680b231d9d1f560d4907ce7a191cf5f43973a0296e369bb81befbd7ff3f05fd12034
 SHA512 
c2602a03f389e3cee19c7f775ddab12a0635bb4f3a7d1242eca62cccbe91949ac9900ab1066074a2551b7c9fee57539949236ed37ae941a2c7dc0626320eecc7
+DIST rust-1.67.1-powerpc64le-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
f48881d0e3c1b1d78898720a46166794a4c52ff8f1bdd8a1e792a0c4be585d7c9e5ff369d2c80d3083d18fc548ec4e24b78fa27aef9b69a240095cc8e09decee
 SHA512 
52af4cbb1792345347ce8864109e28ba0acdc3aab2c88f2db201a79a53d903872d3c70ab84a147d311d36000b2b84a64e2b8b97a9470e41b9d7c390c17facf6c
+DIST rust-1.67.1-riscv64gc-unknown-linux-gnu.tar.xz 199552128 BLAKE2B 
acfeb341ff2ea1ff035445e616a668d565e0b52a7453c30a46a6cfadad0b0ef6eb72d89904095fd5f0363cabeffd2fbe97b435047d5c3606475da41fb50c6be8
 SHA512 
5c7e0b8942872d211779f46862d0826240a15f46c95d4038f2f8835ca68cf20f8add3231040a331ca761bf4351e0976518095d606303eac66752e5598df49442
+DIST rust-1.67.1-riscv64gc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
246adaf9b5980413ac32af57d2e089e765336e085bb45799aaeb80311a7a5d73545779c8b2e810b763520d9d5a5d475f764675191c12a2d4b2b313c11230d311
 SHA512 
bf447737b414839b126fe258bb5dd6d34bb9d47d57fdb68a4cd0b9296fda2c47aa267cc9722f7821bab365b95ee4a2c93631786f89c7cb5197c283897c413016
+DIST rust-1.67.1-s390x-unknown-linux-gnu.tar.xz 235970856 BLAKE2B 
efbe49525e880b07de613be0d22bb87065e0d64f7006ae07c9deb020b65bcbb6dd20cdc250e740763480426baf9c64adfd06e005b616543f2ef9451e99b7d411
 SHA512 
308aa7bc5e32c50a0b5c2fdb5e9bae60d8c8ea32fcab72205aea9832f24df35d9331c63503e092ecfee18c1eedcb5a50138837e29bb50d74f526aafbad9e71aa
+DIST rust-1.67.1-s390x-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
875b4168bf1458376ba31aa8b27d7bb331cb3bcfaf2645e65d0a2167cf55e6a6a2a0bf5f66438e7cca7c73f1cc02fddeea3be570e37ca80f5cc14fc5e0349423
 SHA512 
97a0e05fabc4755ffaf23ada6d77dde78b410ef530437a8700673ee986c1fc5015665948fb4c63f2e0716bc022ef7d6f061fee0a1516995a6a4d7ea100d234d2
+DIST rust-1.67.1-x86_64-unknown-linux-gnu.tar.xz 186714164 BLAKE2B 
648efbb30233335e31c9a90aed4958325258365cd4aef5e01312005606f23ea42cb6788eb82a11e61fb5111c4d32e052ed815e455c32ed3f6fcb18d963589669
 SHA512 
1a65ce569fb3262dfb805d0fa2c5c9f987c2c69e547fce366d9d371c8b19a90de279099a942919690aa6d58e2462cfd7bf54240f7ef51dc22ce12e292c46038d
+DIST rust-1.67.1-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 
669b7c4b0d5382a7d1d0fe49405f2798f67a9e745711dc2c8e7548ea6fdc8f0fefdab37d0594aec14b2745ce45e7c469e79c0cb1d86077ad9c7b6aafc2656827
 SHA512 
067681cb4140a29adfa5f4b141e2f3450dad34b95a1e549a6bc8d759e57da5d2ae69cc165efcdef9d83e2eee06edb6acd587d38c9b2f3d000d7a3f79daccc671
+DIST rust-1.67.1-x86_64-unknown-linux-musl.tar.xz 269831452 BLAKE2B 
a36498528454f1bf0e1812eba005f27e3e281e4e2c117477785f5e48468c3fe316947b7e4360f573f0f4cd6f117e4102db8aeaa616be5bef09fb7518fd230b23
 SHA512 
9a3eb67239a88b875fe55846a2fffbbb1f2a4cc8eed18b5558f0f989d544a8ddfe0861d5b2b860a779833a1660ee622b30320ec9ef83e841724f7a32f08fda06
+DIST rust-1.67.1-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 
b12d0ce1136e355ee027780dfe185ee443de402e531ecc743600aecf081990d4e998fa4a6e6f0f46a886cd806918e23c5e4ccb7cecb0324cb67189984192283f
 SHA512 
37428f0d1d8e2ddb7ce52bce3a297a7f666789d00e7e240180c3e1f7fb5b30bf5e17593cbedebdef95c50406ee82d40ef1f75a576a1a0e02387e1a12ed977c77
 DIST rustc-1.65.0-src.tar.xz 139674928 BLAKE2B 
a218263fb67e306b153f5a6dae95b5ec653acaa5eb4b833862d6f0fd4685a8cec097dadc1b8a934e1bf6055672c7a617f9a0ad4a7dbf2e78084297f10b7ada04
 SHA512 
3d0369ed3028209c4ecb9b9e7b5f5e3a20be8cc05199675df4f091d62a96c0734bc1dbd7630928fe162792392ec6d0daf9ceed10771531ce022200c7b631e3be
 DIST rustc-1.65.0-src.tar.xz.asc 801 BLAKE2B 
43ff92011cd6f7f34ce0495fa341379e5907d032ea90f91e533e5edaec6ad518aad50a9d8b2694074d6909ee96aa779403b16e95792e962e79c1b967542ae26f
 SHA512 
75b9be53363022c81333117876cbcc573bbd4733edf767cbb164218644efb1a9c4bfc2aa73aaa1e39f248a84f1adacb1930a94a6e63f60093ff760fb9ae02efc
 DIST rustc-1.66.1-src.tar.xz 141692940 BLAKE2B 
3fae45345998386fda1b11ec896fac4613b8e3f0092bc0df29c9685f4a4012c0bd1b600911c2d19bcfa8f5a84b8a3c39d4c9e062a62cd61925b59129e1cd72b9
 SHA512 
1944c024c603140d0a9236043a3bd1d0d211dd8d368d6d82a3a620f1ff43b29624755b0943f2b38b40a188c7eee77a840238ea757eaf435e2a3fa6a0e6b82832
 DIST rustc-1.66.1-src.tar.xz.asc 801 BLAKE2B 
18e27c88b39eed29147854733c5533b7fffc417ff0b3bd5982174ffa2c5f6d217e2e28ced4da75863a4557800e7ad7a124a4bbb0def4c20da7ed543602185941
 SHA512 
4511f41ad3d098a339ea3173e3ffa692d1d3cd3ec9dd45af68e4491471f9a72a2e866f6924090eb366bdf6f856650d981eabe1cd851843a17f4a6e4f1dfbc8a9
 DIST rustc-1.67.1-src.tar.xz 142758844 BLAKE2B 
55b2a98592b1a2e465b7fb224607cbcb23cb13d5053b51abbd2e45428794f457b6925955c5c562f577830353e5287929b3588ee78a30036bf0ca13a3610316d9
 SHA512 
42d77ee93b168ae139b026138fb48d925624ff436a836aa97ee235f870e61ea11643b0cf7ad20bcafda774c6cd3855a4bc10a2e2ed1c4d82c6f15158963b304d
 DIST rustc-1.67.1-src.tar.xz.asc 801 BLAKE2B 
eb507c6f53c592921eb31cccb17c9d6027c67fb1311726f2d25fe7d1f8a1aa051efb99d7207a5e4477df0b75898783437e653fa041ed7daa27e7a7c4263ec230
 SHA512 
6c962f680d74251b55f77a43d6e383be53bacff8428e0d003bda207de1fea7f716b88f16686d22a88d99518a4834bf299731855fb030477a995d5e1f3d0024f4
+DIST rustc-1.68.1-src.tar.xz 147834548 BLAKE2B 
98e02c1ff3ed37cd52d1f348331ffe007583f078fbd1bc581eb32a098eee816f301cd833ecf9f806b8e0c673aa963b34d2e357c089bdb59a8a7464ab46b18307
 SHA512 
cf3921bc260db54b0f3afc0e6bc9fe8d560ddb81de5d2d4496746307d42a8010291f119d0cfc463996efce6ef829a0494b4eb6145e21c94fd113ff51ee010e21
+DIST rustc-1.68.1-src.tar.xz.asc 801 BLAKE2B 
5e0a2d95360fb5d8bed9e759111db225315b93d3042af19bb9fc9f239cabf9f32b85f2e616913ff3ce5fc8111deeb972bc184584ca473216b7a5320a255304a6
 SHA512 
5330405c09077070a63c04fc1c7059219d046fbaa24997861365199e48da98be4fe2a04fdc5c54a03166097bde58b4e51bdc8296ca89974d2dcec1da279bdab2

diff --git 
a/dev-lang/rust/files/1.68.0-ignore-broken-and-non-applicable-tests.patch 
b/dev-lang/rust/files/1.68.0-ignore-broken-and-non-applicable-tests.patch
new file mode 100644
index 0000000..3ebd6e1
--- /dev/null
+++ b/dev-lang/rust/files/1.68.0-ignore-broken-and-non-applicable-tests.patch
@@ -0,0 +1,40 @@
+From 1879d1d1a284bf51c752e47db284ce22701ed5d0 Mon Sep 17 00:00:00 2001
+From: Samuel Holland <[email protected]>
+Date: Sun, 16 Sep 2018 16:38:48 +0000
+Subject: [PATCH 12/15] Ignore broken and non-applicable tests
+
+c-link-to-rust-va-list-fn: unstable feature, broken on aarch64, #56475
+env-funky-keys: can't handle LD_PRELOAD (e.g. sandbox)
+long-linker-command-lines: takes >10 minutes to run (but still passes)
+simd-intrinsic-generic-bitmask.rs: broken on BE, #59356
+sparc-struct-abi: no sparc target
+sysroot-crates-are-unstable: can't run rustc without RPATH
+---
+ test/run-make-fulldeps/sysroot-crates-are-unstable/Makefile | 2 ++
+ test/ui/env-funky-keys.rs                                   | 1 +
+ 6 files changed, 10 insertions(+)
+
+diff --git a/tests/run-make-fulldeps/sysroot-crates-are-unstable/Makefile 
b/tests/run-make-fulldeps/sysroot-crates-are-unstable/Makefile
+index 9e770706857..6d92ec5cec8 100644
+--- a/tests/run-make-fulldeps/sysroot-crates-are-unstable/Makefile
++++ b/tests/run-make-fulldeps/sysroot-crates-are-unstable/Makefile
+@@ -1,1 +1,3 @@
++# ignore-test
++
+ all:
+         python2.7 test.py
+diff --git a/tests/ui/env-funky-keys.rs b/tests/ui/env-funky-keys.rs
+index c5c824ac58d..f3fe047a79c 100644
+--- a/tests/ui/env-funky-keys.rs
++++ b/tests/ui/env-funky-keys.rs
+@@ -1,6 +1,7 @@
+ // run-pass
+ // Ignore this test on Android, because it segfaults there.
+ 
++// ignore-test
+ // ignore-android
+ // ignore-windows
+ // ignore-cloudabi no execve
+-- 
+2.24.1
+

diff --git a/dev-lang/rust/rust-1.68.1.ebuild b/dev-lang/rust/rust-1.68.1.ebuild
new file mode 100644
index 0000000..b96d6a3
--- /dev/null
+++ b/dev-lang/rust/rust-1.68.1.ebuild
@@ -0,0 +1,749 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{9..11} )
+
+inherit bash-completion-r1 check-reqs estack flag-o-matic llvm multiprocessing 
\
+       multilib multilib-build python-any-r1 rust-toolchain toolchain-funcs 
verify-sig
+
+if [[ ${PV} = *beta* ]]; then
+       betaver=${PV//*beta}
+       BETA_SNAPSHOT="${betaver:0:4}-${betaver:4:2}-${betaver:6:2}"
+       MY_P="rustc-beta"
+       SLOT="beta/${PV}"
+       SRC="${BETA_SNAPSHOT}/rustc-beta-src.tar.xz -> rustc-${PV}-src.tar.xz"
+else
+       ABI_VER="$(ver_cut 1-2)"
+       SLOT="stable/${ABI_VER}"
+       MY_P="rustc-${PV}"
+       SRC="${MY_P}-src.tar.xz"
+       KEYWORDS="~amd64 ~arm ~arm64 ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).1"
+
+DESCRIPTION="Systems programming language from Mozilla"
+HOMEPAGE="https://www.rust-lang.org/";
+
+SRC_URI="
+       https://static.rust-lang.org/dist/${SRC}
+       verify-sig? ( https://static.rust-lang.org/dist/${SRC}.asc )
+       !system-bootstrap? ( $(rust_all_arch_uris rust-${RUST_STAGE0_VERSION}) )
+"
+
+# keep in sync with llvm ebuild of the same version as bundled one.
+ALL_LLVM_TARGETS=( AArch64 AMDGPU ARM AVR BPF Hexagon Lanai Mips MSP430
+       NVPTX PowerPC RISCV Sparc SystemZ WebAssembly X86 XCore )
+ALL_LLVM_TARGETS=( "${ALL_LLVM_TARGETS[@]/#/llvm_targets_}" )
+LLVM_TARGET_USEDEPS=${ALL_LLVM_TARGETS[@]/%/(-)?}
+
+LICENSE="|| ( MIT Apache-2.0 ) BSD BSD-1 BSD-2 BSD-4 UoI-NCSA"
+
+IUSE="clippy cpu_flags_x86_sse2 debug dist doc llvm-libunwind miri nightly 
parallel-compiler profiler rustfmt rust-analyzer rust-src system-bootstrap 
system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling more than one slot
+# simultaneously.
+
+# How to use it:
+# List all the working slots in LLVM_VALID_SLOTS, newest first.
+LLVM_VALID_SLOTS=( 15 )
+LLVM_MAX_SLOT="${LLVM_VALID_SLOTS[0]}"
+
+# splitting usedeps needed to avoid CI/pkgcheck's UncheckableDep limitation
+# (-) usedep needed because we may build with older llvm without that target
+LLVM_DEPEND="|| ( "
+for _s in ${LLVM_VALID_SLOTS[@]}; do
+       LLVM_DEPEND+=" ( "
+       for _x in ${ALL_LLVM_TARGETS[@]}; do
+               LLVM_DEPEND+="
+                       ${_x}? ( sys-devel/llvm:${_s}[${_x}(-)] )
+                       wasm? ( sys-devel/lld:${_s} )"
+       done
+       LLVM_DEPEND+=" )"
+done
+unset _s _x
+LLVM_DEPEND+=" )
+       <sys-devel/llvm-$(( LLVM_MAX_SLOT + 1 )):=
+"
+
+# to bootstrap we need at least exactly previous version, or same.
+# most of the time previous versions fail to bootstrap with newer
+# for example 1.47.x, requires at least 1.46.x, 1.47.x is ok,
+# but it fails to bootstrap with 1.48.x
+# https://github.com/rust-lang/rust/blob/${PV}/src/stage0.json
+RUST_DEP_PREV="$(ver_cut 1).$(($(ver_cut 2) - 1))*"
+RUST_DEP_CURR="$(ver_cut 1).$(ver_cut 2)*"
+BOOTSTRAP_DEPEND="||
+       (
+               =dev-lang/rust-"${RUST_DEP_PREV}"
+               =dev-lang/rust-bin-"${RUST_DEP_PREV}"
+               =dev-lang/rust-"${RUST_DEP_CURR}"
+               =dev-lang/rust-bin-"${RUST_DEP_CURR}"
+       )
+"
+
+BDEPEND="${PYTHON_DEPS}
+       app-eselect/eselect-rust
+       || (
+               >=sys-devel/gcc-4.7
+               >=sys-devel/clang-3.5
+       )
+       system-bootstrap? ( ${BOOTSTRAP_DEPEND} )
+       !system-llvm? (
+               >=dev-util/cmake-3.13.4
+               dev-util/ninja
+       )
+       test? ( sys-devel/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? (
+               ${LLVM_DEPEND}
+               llvm-libunwind? ( sys-libs/llvm-libunwind:= )
+       )
+       !system-llvm? (
+               !llvm-libunwind? (
+                       elibc_musl? ( sys-libs/libunwind:= )
+               )
+       )
+"
+
+RDEPEND="${DEPEND}
+       app-eselect/eselect-rust
+       sys-apps/lsb-release
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+       miri? ( nightly )
+       parallel-compiler? ( nightly )
+       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}/${PV}/bin/.*
+       usr/lib/${PN}/${PV}/libexec/.*
+       usr/lib/${PN}/${PV}/lib/lib.*.so
+       usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/.*
+       usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_SONAME="
+       usr/lib/${PN}/${PV}/lib/lib.*.so.*
+       usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/lib.*.so
+"
+
+QA_PRESTRIPPED="
+       usr/lib/${PN}/${PV}/lib/rustlib/.*/bin/rust-llvm-dwp
+       usr/lib/${PN}/${PV}/lib/rustlib/.*/lib/self-contained/crtn.o
+"
+
+# An rmeta file is custom binary format that contains the metadata for the 
crate.
+# rmeta files do not support linking, since they do not contain compiled 
object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${PN}/${PV}/lib/rustlib/*/lib*.rlib:lib.rmeta"
+
+# causes double bootstrap
+RESTRICT="test"
+
+VERIFY_SIG_OPENPGP_KEY_PATH=${BROOT}/usr/share/openpgp-keys/rust.asc
+
+PATCHES=(
+       "${FILESDIR}"/1.64.0-libressl.patch
+       "${FILESDIR}"/1.68.0-ignore-broken-and-non-applicable-tests.patch
+       "${FILESDIR}"/1.62.1-musl-dynamic-linking.patch
+       "${FILESDIR}"/1.67.0-doc-wasm.patch
+)
+
+S="${WORKDIR}/${MY_P}-src"
+
+toml_usex() {
+       usex "${1}" true false
+}
+
+bootstrap_rust_version_check() {
+       # never call from pkg_pretend. eselect-rust may be not installed yet.
+       [[ ${MERGE_TYPE} == binary ]] && return
+       local rustc_wanted="$(ver_cut 1).$(($(ver_cut 2) - 1))"
+       local rustc_toonew="$(ver_cut 1).$(($(ver_cut 2) + 1))"
+       local rustc_version=( $(eselect --brief rust show 2>/dev/null) )
+       rustc_version=${rustc_version[0]#rust-bin-}
+       rustc_version=${rustc_version#rust-}
+
+       [[ -z "${rustc_version}" ]] && die "Failed to determine rust version, 
check 'eselect rust' output"
+
+       if ver_test "${rustc_version}" -lt "${rustc_wanted}" ; then
+               eerror "Rust >=${rustc_wanted} is required"
+               eerror "please run 'eselect rust' and set correct rust version"
+               die "selected rust version is too old"
+       elif ver_test "${rustc_version}" -ge "${rustc_toonew}" ; then
+               eerror "Rust <${rustc_toonew} is required"
+               eerror "please run 'eselect rust' and set correct rust version"
+               die "selected rust version is too new"
+       else
+               einfo "Using rust ${rustc_version} to build"
+       fi
+}
+
+pre_build_checks() {
+       local M=8192
+       # multiply requirements by 1.3 if we are doing x86-multilib
+       if use amd64; then
+               M=$(( $(usex abi_x86_32 13 10) * ${M} / 10 ))
+       fi
+       M=$(( $(usex clippy 128 0) + ${M} ))
+       M=$(( $(usex miri 128 0) + ${M} ))
+       M=$(( $(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 system-bootstrap 0 1024) + ${M} ))
+       M=$(( $(usex doc 256 0) + ${M} ))
+       CHECKREQS_DISK_BUILD=${M}M check-reqs_pkg_${EBUILD_PHASE}
+}
+
+llvm_check_deps() {
+       has_version -r "sys-devel/llvm:${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
+       [[ ${out} == *HAVE_LIBCXX* ]]
+}
+
+pkg_pretend() {
+       pre_build_checks
+}
+
+pkg_setup() {
+       pre_build_checks
+       python-any-r1_pkg_setup
+
+       export LIBGIT2_NO_PKG_CONFIG=1 #749381
+
+       use system-bootstrap && bootstrap_rust_version_check
+
+       if use system-llvm; then
+               llvm_pkg_setup
+
+               local llvm_config="$(get_llvm_prefix 
"${LLVM_MAX_SLOT}")/bin/llvm-config"
+               export LLVM_LINK_SHARED=1
+               export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" 
--libdir)"
+       fi
+}
+
+esetup_unwind_hack() {
+       # https://bugs.gentoo.org/870280
+       # this is a hack needed to bootstrap with libgcc_s linked tarball on 
llvm-libunwind system.
+       # it should trigger for internal bootstrap or system-bootstrap with 
rust-bin.
+       # the whole idea is for stage0 to bootstrap with fake libgcc_s.
+       # final stage will receive -L${T}/lib but not -lgcc_s args, producing 
clean compiler.
+       local fakelib="${T}/fakelib"
+       mkdir -p "${fakelib}" || die
+       # we need both symlinks, one for cargo runtime, other for linker.
+       ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so.1" || 
die
+       ln -s "${ESYSROOT}/usr/lib/libunwind.so" "${fakelib}/libgcc_s.so" || die
+       export LD_LIBRARY_PATH="${fakelib}"
+       export RUSTFLAGS+=" -L${fakelib}"
+       # this is a literally magic variable that gets through cargo cache, 
without it some
+       # crates ignore RUSTFLAGS.
+       # this variable can not contain leading space.
+       export MAGIC_EXTRA_RUSTFLAGS+="${MAGIC_EXTRA_RUSTFLAGS:+ }-L${fakelib}"
+}
+
+src_prepare() {
+       if ! use system-bootstrap; then
+               has_version sys-devel/gcc || esetup_unwind_hack
+               local rust_stage0_root="${WORKDIR}"/rust-stage0
+               local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
+
+               "${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig \
+                       --without=rust-docs-json-preview,rust-docs 
--destdir="${rust_stage0_root}" --prefix=/ || die
+       fi
+
+       # this libressl version check is terrible
+       sed -e 
's/d397af804c0b786978867528635fa9148cd2ad0e6abd591ace21b5bd3719c38d/896afea18b1072d4c715421ff2ed7e428b57aadec44d4680dcb991a6229a1edc/'
 \
+               -i vendor/openssl-sys/.cargo-checksum.json || die
+       # fix for libressl
+       sed -e 
's/7d5ca02f34cffe51db3568c500c9a8a70cef879871a0f466e3344142644acf12/e9eef35f1c18dd9844960d1d315e84ad99a05ab1247f0f54e3c2eab244988256/'
 \
+               -i vendor/libssh2-sys/.cargo-checksum.json || die
+
+       default
+}
+
+src_configure() {
+       filter-flags '-flto*' # 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 ${v##*.}))\""
+       done
+       if use wasm; then
+               rust_targets+=",\"wasm32-unknown-unknown\""
+               if use system-llvm; then
+                       # un-hardcode rust-lld linker for this target
+                       # https://bugs.gentoo.org/715348
+                       sed -i '/linker:/ s/rust-lld/wasm-ld/' 
compiler/rustc_target/src/spec/wasm_base.rs || die
+               fi
+       fi
+       rust_targets="${rust_targets#,}"
+
+       local tools='"cargo"'
+       use clippy && tools+=',"clippy"'
+       use miri && tools+=',"miri"'
+       use profiler && tools+=',"rust-demangler"'
+       use rustfmt && tools+=',"rustfmt"'
+       use rust-analyzer && tools+=',"rust-analyzer","analysis"'
+       use rust-src && tools+=',"src"'
+
+       local rust_stage0_root
+       if use system-bootstrap; then
+               local printsysroot
+               printsysroot="$(rustc --print sysroot || die "Can't determine 
rust's sysroot")"
+               rust_stage0_root="${printsysroot}"
+       else
+               rust_stage0_root="${WORKDIR}"/rust-stage0
+       fi
+       # 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="$(rust_abi)"
+
+       local cm_btype="$(usex debug DEBUG RELEASE)"
+       cat <<- _EOF_ > "${S}"/config.toml
+               changelog-seen = 2
+               [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 = ""
+               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)
+               [llvm.build-config]
+               CMAKE_VERBOSE_MAKEFILE = "ON"
+               CMAKE_C_FLAGS_${cm_btype} = "${CFLAGS}"
+               CMAKE_CXX_FLAGS_${cm_btype} = "${CXXFLAGS}"
+               CMAKE_EXE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+               CMAKE_MODULE_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+               CMAKE_SHARED_LINKER_FLAGS_${cm_btype} = "${LDFLAGS}"
+               CMAKE_STATIC_LINKER_FLAGS_${cm_btype} = "${ARFLAGS}"
+               [build]
+               build-stage = 2
+               test-stage = 2
+               build = "${rust_target}"
+               host = ["${rust_target}"]
+               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 = $(toml_usex profiler)
+               cargo-native-static = false
+               [install]
+               prefix = "${EPREFIX}/usr/lib/${PN}/${PV}"
+               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 = $(usex debug 2 0)
+               debuginfo-level-tests = 0
+               backtrace = true
+               incremental = false
+               default-linker = "$(tc-getCC)"
+               parallel-compiler = $(toml_usex parallel-compiler)
+               channel = "$(usex nightly nightly stable)"
+               description = "gentoo"
+               rpath = false
+               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
+               [dist]
+               src-tarball = false
+               compression-formats = ["xz"]
+       _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 = "$(get_llvm_prefix 
"${LLVM_MAX_SLOT}")/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_ >> "${S}"/config.toml
+                               crt-static = false
+                       _EOF_
+               fi
+       done
+       if use wasm; then
+               cat <<- _EOF_ >> "${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 
"${LLVM_MAX_SLOT}")/bin/llvm-config"
+                       _EOF_
+               fi
+               if [[ "${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 "${EPYTHON}" ./x.py build -vv 
--config="${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$(makeopts_jobs) || die
+
+       # bug #689562, #689160
+       rm -v "${ED}/usr/lib/${PN}/${PV}/etc/bash_completion.d/cargo" || die
+       rmdir -v "${ED}/usr/lib/${PN}/${PV}"/etc{/bash_completion.d,} || die
+       newbashcomp src/tools/cargo/src/etc/cargo.bashcomp.sh cargo
+
+       local symlinks=(
+               cargo
+               rustc
+               rustdoc
+               rust-gdb
+               rust-gdbgui
+               rust-lldb
+       )
+
+       use clippy && symlinks+=( clippy-driver cargo-clippy )
+       use miri && symlinks+=( miri cargo-miri )
+       use profiler && symlinks+=( rust-demangler )
+       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}/${PV}/bin/${i}" ]]; then
+                       einfo "Installing ${i} symlink"
+                       ln -v "${ED}/usr/lib/${PN}/${PV}/bin/${i}" 
"${ED}/usr/lib/${PN}/${PV}/bin/${ver_i}" || die
+               else
+                       ewarn "${i} symlink requested, but source file not 
found"
+                       ewarn "please report this"
+               fi
+               dosym "../lib/${PN}/${PV}/bin/${ver_i}" "/usr/bin/${ver_i}"
+       done
+
+       # symlinks to switch components to active rust in eselect
+       dosym "${PV}/lib" "/usr/lib/${PN}/lib-${PV}"
+       dosym "${PV}/libexec" "/usr/lib/${PN}/libexec-${PV}"
+       dosym "${PV}/share/man" "/usr/lib/${PN}/man-${PV}"
+       dosym "rust/${PV}/lib/rustlib" "/usr/lib/rustlib-${PV}"
+       dosym "../../lib/${PN}/${PV}/share/doc/rust" "/usr/share/doc/${P}"
+
+       newenvd - "50${P}" <<-_EOF_
+               LDPATH="${EPREFIX}/usr/lib/rust/lib"
+               MANPATH="${EPREFIX}/usr/lib/rust/man"
+       _EOF_
+
+       rm -rf "${ED}/usr/lib/${PN}/${PV}"/*.old || die
+       rm -rf "${ED}/usr/lib/${PN}/${PV}/doc"/*.old || die
+
+       # note: eselect-rust adds EROOT to all paths below
+       cat <<-_EOF_ > "${T}/provider-${P}"
+               /usr/bin/cargo
+               /usr/bin/rustdoc
+               /usr/bin/rust-gdb
+               /usr/bin/rust-gdbgui
+               /usr/bin/rust-lldb
+               /usr/lib/rustlib
+               /usr/lib/rust/lib
+               /usr/lib/rust/libexec
+               /usr/lib/rust/man
+               /usr/share/doc/rust
+       _EOF_
+
+       if use clippy; then
+               echo /usr/bin/clippy-driver >> "${T}/provider-${P}"
+               echo /usr/bin/cargo-clippy >> "${T}/provider-${P}"
+       fi
+       if use miri; then
+               echo /usr/bin/miri >> "${T}/provider-${P}"
+               echo /usr/bin/cargo-miri >> "${T}/provider-${P}"
+       fi
+       if use profiler; then
+               echo /usr/bin/rust-demangler >> "${T}/provider-${P}"
+       fi
+       if use rustfmt; then
+               echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+               echo /usr/bin/cargo-fmt >> "${T}/provider-${P}"
+       fi
+       if use rust-analyzer; then
+               echo /usr/bin/rust-analyzer >> "${T}/provider-${P}"
+       fi
+
+       insinto /etc/env.d/rust
+       doins "${T}/provider-${P}"
+
+       if use dist; then
+               insinto "/usr/lib/${PN}/${PV}/dist"
+               doins -r "${S}/build/dist/."
+       fi
+}
+
+pkg_postinst() {
+       eselect rust update
+
+       if has_version sys-devel/gdb || has_version dev-util/lldb; then
+               elog "Rust installs a helper script for calling GDB and LLDB,"
+               elog "for your convenience it is installed under 
/usr/bin/rust-{gdb,lldb}-${PV}."
+       fi
+
+       if has_version app-editors/emacs; then
+               elog "install app-emacs/rust-mode to get emacs support for 
rust."
+       fi
+
+       if has_version app-editors/gvim || has_version app-editors/vim; then
+               elog "install app-vim/rust-vim to get vim support for rust."
+       fi
+}
+
+pkg_postrm() {
+       eselect rust cleanup
+}


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