dev-lang/rust: add 1.62.0

Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org>

2 files changed, 762 insertions, 0 deletions

diff --git a/dev-lang/rust/Manifest b/dev-lang/rust/Manifest
index 1c59907ce35c..e0866bb19c3b 100644
--- a/dev-lang/rust/Manifest
+++ b/dev-lang/rust/Manifest
@@ -94,9 +94,43 @@ DIST rust-1.60.0-x86_64-unknown-linux-gnu.tar.xz 154271340 BLAKE2B 7ee48c165e6ec
 DIST rust-1.60.0-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 7454407a16e2b6c89226252c7e706086c9bb8016183df1180c54e88ec0d6622a0829d4acda959a093702bb1d95d4f2678976ced69fcc219afb42ab631e459d40 SHA512 eb3550e27e361860075a22d9b4821c6d078d7e4c82ad688a64e813adbce9922b9ab2dc64d1fd4d74d20be9af122ff05819d521677a43ad1c1092bd498d325a8a
 DIST rust-1.60.0-x86_64-unknown-linux-musl.tar.xz 258420992 BLAKE2B 6b446c06fd8d511910110eccfd55c1116f3468ffe87274d6b90c7a2a1ccd298471f62d1bfb807ddab2f66fbac58995e903414455c76fe2b14c9659f00e8413a0 SHA512 6f5a53968f44bf7be563d32eaddea439d8f388858db3d3b58a89b22cc2252e195b56b0e8895f4254c40274035e221657504958c8f1e331befca012d480118f3b
 DIST rust-1.60.0-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 680e7267a188a5286938d9c3284968121a7783cba196bf863affd6b927344e1a88cf7b97016d53c74560179439fc7fe9dd700a295c7c00b139472320323861cb SHA512 071efcfad0074a03de454835c512e98b466662b27bef2fb31def0bb82531b4048eba59a529621fda515800e19c4f3c62a33a364ecca8cecbaa09fae842b894b6
+DIST rust-1.61.0-aarch64-unknown-linux-gnu.tar.xz 226403096 BLAKE2B b9927e6d364fe791bef49cea5f0904629a2f01e6a71325c1769c67b845725ae6f54a1a8c0530fa5048591dd0ecfd50a40224243f935b38ad269e35ce2e1c59d9 SHA512 1c00830f67b75eaf23ab759e8218fca48e424cad0ede02e737e341d105f6f8b8113e4d4181cde1b43f9369af9c2f238fbdcac27ccad3dd02db878e2f4e6ba35b
+DIST rust-1.61.0-aarch64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 697df0294d01a19eca2f9b7597df3826e79ea790766c5c5a7b73f5a04919cf64f1489f34c9d2c397523432243e7f3f29f42440ba9aee127753868529196810cf SHA512 78cbc7eeb552965a1b6c4cfc9c8404017fe195acefbda1aa203d1c2ba969b3ac28388930bb4f3ca5dda7ecac5e61163ae0a5d06967eab9f0a7cada87c6b2dc58
+DIST rust-1.61.0-aarch64-unknown-linux-musl.tar.xz 220966060 BLAKE2B e03c6418fed773d1028363979726648d1ffa0e04d6879688efefc15f95fbeff3ff9c0dc7c16a53fedb18c4e0b16e060cee9f3566b0f96027e5dc68820fda149f SHA512 e806f78ecc9edd12bb991533c6bfc95da30c8eaacbfc54f0f4dbf3a95a011da82fca13cf3ef23594a9d1d9d8c79c8186fe98b60658a2cd5c0ed2c6e3984468d0
+DIST rust-1.61.0-aarch64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B 426c4c8dac07269d184f61bf2447957cdbdacafdf27fac5ab5a0eea958e15fb3eeed0753dadb1d1bb157322ca5e8c6b7c10d946c4bd3a089ccd8275d0a310014 SHA512 b231afc0c3604aba64277c4f018f1f4b30417bd2fd113919b8b584d5482523b961071a50394a4906d8ba8536685fcff4710b51fee7832a7a041dcb902f1c5ff1
+DIST rust-1.61.0-arm-unknown-linux-gnueabi.tar.xz 200226676 BLAKE2B c55c36524249eaf9ab1e040b6742e1ada46b32bf0511338d23536663050b46103b1765aeb2a145be9cdc0b602d83526fe902fc431e0793d1a307ab0d4b61a356 SHA512 3a9f52b9f4f2a972477a48b629b8345f151d32d491be0cbf3692b76f05ddbd3319de1da7b10959d37fffc08e12b3196a6f4462cc2476ad80d2f9750e0b189cad
+DIST rust-1.61.0-arm-unknown-linux-gnueabi.tar.xz.asc 801 BLAKE2B 34f251ee19ace45c411f161b383dcda35b8dea62e135cdeceddd73ca029920b0f0ea0484fb79c9680d9b4403c5c01d76d4fd2fb47fd65a2fbcb0375e56a1586b SHA512 641ce73107609d55f98ae00a03a9efd58985539e46a834ceffe5af79822309a40a4eac59e5cec3b1654da733f463f3bca438f42ecbaf5fce5d276466317a7e54
+DIST rust-1.61.0-arm-unknown-linux-gnueabihf.tar.xz 200078864 BLAKE2B 02403c024bf02b9ec42fd0baf52856fbcce2a10477d19e68e4ad06110aaabb90496543fc3de5f385428396979fbb80cdb27f28b4cef8af9266c18fa87a995c30 SHA512 155b2f0c341280bfb7db066b639dc50580a07b21ad6f9f6255a8645d5d944d58fbaff505f1de0c3f51ed92ca0d4dc75d9b92e2aab7e8b64f8c42d3af0a714fe6
+DIST rust-1.61.0-arm-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B 6b4875ac242f11f47518f17a0a039539e56cf3cef78f1e3cb4bc2174e60d6d0f0d444b4c0cfa007643202b5ce92a4cb979e92b5f6f559eb90fd78fdd5f870e57 SHA512 f2618ba9f076c10d0ddd23129e6e8e7050fd1126d7767c8b74c53be209ca87f9bebbc09069f6aed55e14de64b1478fd93b370be7e60858b5226fcfc1e8ed87c0
+DIST rust-1.61.0-armv7-unknown-linux-gnueabihf.tar.xz 206757912 BLAKE2B c702e17e225becc681713a3e819cc38c727377d280a1963efd4e6b1d27e0dbbb71ad0bec4d7add8319417846cf54bb7b5901af0f633b180ca9a5f169c709e43a SHA512 88dbb7a35a8424e5b197566515c21122c1da71df146abb304d7dbb50380b4771a741910abefc9d79831146b28b657ffe53cae07f0392e83a7279a7795aadf0e6
+DIST rust-1.61.0-armv7-unknown-linux-gnueabihf.tar.xz.asc 801 BLAKE2B f4b93feba557d81638ead6c3ad72f2e5c321c1103b473096e312d8a3191e98aac65aff0ebcb6f2c23701de17f2602ba18a6462c24a678c2bc2a13e1003189271 SHA512 72d8152d206c1ca9d69ed4704b8638c32b5f136ad985fd4790961935f1b44f08df0960e03066de2dd1cc9f7a140e8070f0a6e671f59c751506847d9e247c5ecd
+DIST rust-1.61.0-i686-unknown-linux-gnu.tar.xz 218220208 BLAKE2B da47b131676258747e27704e2a1abb844567e2ac9ccffdd1c87edaa677e04b1fe73227f7b6afa437d8fe2f2690352623343b8318906038206b5b684fa8eafcc7 SHA512 f19e1a5253c57d250d4de7f0f54b70a296d92bba2e22d8b842bcbb311e393e3bf24c28621f490584497c586c6fdbc41f5af55d86a074b93efaa62d313121cc4a
+DIST rust-1.61.0-i686-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 3b154ab9d414ec6d7dea13c6b2d2def9613544b3d8f6464385fa390bb6228d73826032ed6e536a9a2dd379499ec500788b149c838d5ad1a50f545a47b19a2cbd SHA512 f06ab7e865bf56c153586e146438079ff3ee3de86c610e463cd0ce67c090349b9dd4fa587d9eab0dea4b908770bca0dab955f797ebcc5aee2617a981ff23eb23
+DIST rust-1.61.0-mips-unknown-linux-gnu.tar.xz 157918296 BLAKE2B 0551ab0898491129828be9cd7d6fd22a56c329f85ae9767c8ca216cac16ae3f93d30913c50c8cea8daa2f98878147e2f15f587e38e9e0fca7c8c4b6d3ead6870 SHA512 02cf5d1ed8c28bd52b7c27ba696de30ee23322ddd1e2ef953cd95a6d0b31c63ea66071bfb22c4d11a780243e62e21407d7ada2592b08caac67d7d79e7d9ee0f2
+DIST rust-1.61.0-mips-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 2d050374431b8d48b6a0a3e171d4d2f62cfd8a2df70ddbf0d374bb9351e684d15d3ade7f6717e6abba1de47c4899f0f7575a4ca537d1a39a57e03ea4b0ae281e SHA512 6e2d01d3b8218cae46008328226286abe3f4323891ab41129f9af94b4526d5b21700fa84c880b4efe38d39c57b2a0946eb82e3ac58950761b20f4def1d8b82f2
+DIST rust-1.61.0-mips64-unknown-linux-gnuabi64.tar.xz 162321252 BLAKE2B d49ec8d3a5eec2085a26b4da22a31e5631e3665333a030e4683446cfe3f71e86e466b827942d6a62d32f469ff7fe9208aa51ba9d47822a54d40d89bef45636e5 SHA512 1e6003127963b836c343ae06586b152b1f227529d05b555aefa0bd7d4b92124215cfa1038aba1236c0c42ecd8e429253db4faa13ed388c16a8659e71b0008fe7
+DIST rust-1.61.0-mips64-unknown-linux-gnuabi64.tar.xz.asc 801 BLAKE2B b031019589b12cdf45f0a938c7479ad219c257643b88108d0c524088530df783338d64c1b356055e34a38df8908653c25fc286949826bb7e3539d63c78c36a66 SHA512 ee9178251f5a79803871fa76a22395e4b43958582930f92cf1f5e76970c1583f9b0403da7c05bd8a7cdd83839b319a6640adcaaa5475e9ab5bffb43146116b09
+DIST rust-1.61.0-mipsel-unknown-linux-gnu.tar.xz 162148648 BLAKE2B 492e0c811c9fae9d0052fcdfffe6d96d43674e1775edaf31d63024e56763d44c02763fd70e768ac0987d260665b86d78aa55a0652f5acbf097a3e9a472aa4d9f SHA512 637b081d8357d46030ca206c8feb54a38d9696a0bdbbad9a892ee4a472f29976c82b814f14cc987ad9e473e70d22347e7e01e81f0f59e82dbaad62153c1ec32f
+DIST rust-1.61.0-mipsel-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 9323f7488fdf603e81018c4b6afa11da952eb6051e9480fee027326ebccd15befed97c75c981f621d7eda3daf2d082c5fb12af426e48cb4c0c733ab55c46af6e SHA512 9d1e6062c4a7714aa754ea586f9bbe3a988e5e6d1e6309316bde89fa83ccddb837e96a8de13fbd4b932c8fc37be89de06802f12f689e17b1ae6cd97b5e2db561
+DIST rust-1.61.0-powerpc-unknown-linux-gnu.tar.xz 180802408 BLAKE2B 41ecab76e35d9ee2b9658730f46ece4191e706714b3b90b6021b4bd9ed2c4f0d563e0c0b39bdc7e633237d55c5375379565d7932e7ffb4896851831f64f61559 SHA512 ed19698f32c1af73ba8c402395b6ee30381d1fff6026d2c94e45ad89ef197cffc1529dc21402e2b463deb47aba0ed4d63d69c62908cdc099da463835757f3fe3
+DIST rust-1.61.0-powerpc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 438143b3474d0cb9e1a19b93de28544f02672e245bba7855da286fb15c58db93021e44d432fbe4a0949592b57cb23b373abd5c0a3f960f6975a0cf433352462e SHA512 7a570c64a79adf78c8c28342d9ab39e8ed953cd44b8038e03beb888b5611625bae95e88220c9c88236ff1672f20ad61976d116da7689cf29f53112deb9b75858
+DIST rust-1.61.0-powerpc64-unknown-linux-gnu.tar.xz 187335836 BLAKE2B 6feca68e47f7e19355ba623cda1d1cd15351017d388d94e2b9d6821493b8a77a09c95148a8fcf7124e3b0c9a9ee205c9f5c14af04172e2d02ea239355755b364 SHA512 b8afcb47653877dd47a808b4aecd95bca715a96311652e0616125e75bc5a457364b0caba2918e2e3e8df2d1fe0afb6fb384bbfa44fde25ebe0dd368414984acb
+DIST rust-1.61.0-powerpc64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 20bc76dea5484d2a6bf60ffdacc1dacb8d3f7abdb428fee3b1d3e6e19d499f18afbe667a5de96a28005661bd0b4f5e4c8429df917a31b86d72b9aaa9ec56c7e0 SHA512 cf10c0f1ca50894deba5f02a4e3491fe61ea8def4b0f76fe790eb52ff66295d2570ae50acea66a51e710822d6109a2ab3c8f1e703388ae0ee19fcfc5657d4f38
+DIST rust-1.61.0-powerpc64le-unknown-linux-gnu.tar.xz 196945316 BLAKE2B 23ac372f7bbeac3eb757adcb6ca93187ad01492992327533452ab348ec899cb97f5ac9335b32039a62ccf4c34125de3c4b6c1d7829839c95f638b6531be59c57 SHA512 6cf969cef60d2b70db17902ceb71d2616de0df1ff4fda15578347372bf5a349fc8f4377eb1d003abb84a93a122ab0e54aac52c95568813148d3c0113d663a07f
+DIST rust-1.61.0-powerpc64le-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 6b4bdcba7c5b681512b98b39f8035788f612ee1c8f44d98d58f8a29bc71e470d57ae587a6ea2e02a22263d40bb452054d03483a3922db6c131d3947e65da23bb SHA512 cd102d958ad3ca62f534033473664e867892dce0ca8a2f96271ecfabe34e0afbd63d8281086c5cd692fdb961894313e7430ce2e1d14c3a686b40d8a514c124e3
+DIST rust-1.61.0-riscv64gc-unknown-linux-gnu.tar.xz 190408604 BLAKE2B 1f37d88201f0e3517194d810f99ce3167fa132c72f8580704750b926b838956157b1ccd303ccf5de15615733383d1009cc135ede7dd8dc7c1e39b4246a8ed604 SHA512 8f6f469484ff9c10af2b1a822a8193f313ac244783921c68dc1feee4d6897e7083cfb90d19384a266d41b97aeb845ef073ed955fb7beaf7e1810d682185c2d42
+DIST rust-1.61.0-riscv64gc-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B c413b2f55e3d45dbfccf193f5cb9f6866abf895d23c850e3744a0bd897c2c812f57457211efaab7416c0d8fc079cc4feaa35de879ad76356a961e704e711be46 SHA512 0155b4e0ba86cc190b85f2f82e8ee75c14825e52e05ab3446283512f0b42f113d85ef89d72e0929382637dc0a44ef72f06552957285463c2edd7f83d9c8234ff
+DIST rust-1.61.0-s390x-unknown-linux-gnu.tar.xz 214196912 BLAKE2B 31eeaabdbca2fa837610179eafd0cb6cde2ce8d4feb57e86cd1fc8962e1f8b84bf067d7782414380616d5b56fef5db19c91c54c89f5dd935debf6ed2d3841466 SHA512 7de0ea08c4834e60d12098d92d4366689c0b959f58667bc68e35ad3c976011e8d9375566cebd9260933e13bd74105d297dabf40a0d09b34f83905d4cb9995f7f
+DIST rust-1.61.0-s390x-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 617bfd93b883cc36c8504ac326813511bee205a508489be168060863d967efe9a2e8276c3834d872f419317047ba83624c996be9d6f913be58f9feab66f292b2 SHA512 933689de3c1fabc31dd1910844479b3505e1a8b8474fdaeb4936df118a6da4f9597c45f0a0056d5c1efc33ae8ffb2910f5aa07b91afbd231ad7c20f0c79ceeb4
+DIST rust-1.61.0-x86_64-unknown-linux-gnu.tar.xz 157592468 BLAKE2B 0877c0794280a5ab7e74553c02cebad67e36148a3f34a709973310d89d7ea65dc8ecfa8b9c461e4f96939ed2ff09b7bacbef0b4fcf409758a0429bc431f87ebe SHA512 365191453f37775cf8bed66e12224294d4d99f3bacc635c3c13f05bf8585838a04b602c2fef7964f26a6cc35ab432a5c0a9745e9ffad0a83b0c761ec02de3484
+DIST rust-1.61.0-x86_64-unknown-linux-gnu.tar.xz.asc 801 BLAKE2B 5296a8df210a4cf2fd7dffcba1ae6bd8cda9e408ff4c55d997199c2890b9faab9e8d6d22a3c0961786bb80231836047929621edf9043d474b352fe28bd9192e8 SHA512 cb97e84cd793aa8676c41297d8da14125855c008815e65d8191868eb88241ccb408c6f9ae85b7ba8de1a02ea8923f5e042f4fea662fa593e5ec03505b41ee52d
+DIST rust-1.61.0-x86_64-unknown-linux-musl.tar.xz 259724324 BLAKE2B d005bd2794d196136c42842fbb7bc64d827898b5713f768cf0e88be5a40e3906139027ee58571cfccd8d2c864f672d1986da28c72f0d1c4a7f78d18efe14385e SHA512 96d09ac3a48bb2956dd6bf219e605c68327a94d09e72290ee74781c4886dce93b217163fb08dac0ce69bfaa2e3ab8cccd4a26d10b9df4c3162822a38e355bdb6
+DIST rust-1.61.0-x86_64-unknown-linux-musl.tar.xz.asc 801 BLAKE2B e1c8061c80cd5445f7df9c44044ccb47731704b93d4e86cf95bd3b1b08a3c3cdb61e21349088cd0127632c63a0f7c22f0fa209809450dd81607bf7353d61a7b4 SHA512 587f487a3c8159a4b102f15a484a0ffa4f32c2abd2fb4ca078c27d36f6ff365c95015a99494e852631e9f92bfc9f33a0266c5f62b7edfce823c34993ff6a836b
 DIST rustc-1.59.0-src.tar.xz 128942756 BLAKE2B b28114f14c9a0fec7db56fde79a985360fd8438c3b14eede49ed12e540c2636be960d0fd800c569af193886ac76fe8bf604d5dae59214ae08cb0cc6cc0ca404e SHA512 acace866871d13a55d365f65d7e15c192c3cd33096862571df6317e066b7474d668b95ae281e0244967778c05f1e33966c3c55616218bd25d3770a2b2d4f0365
 DIST rustc-1.59.0-src.tar.xz.asc 801 BLAKE2B 061701c4fdbde930798f9f938ca3642204ae4a2ad9396937ca7d604268813d6d68f4979f20d35abdbbfeec0bb389acd86c9d3d84256db85861f6b11e3dbef80e SHA512 1b90bc01f9d68ba1f70591c4ae707295d7727b790d170a0b757d654684e59d3c26c45b66a21f9ac762debb6867494660c73daaf10be9bd567a38be44c0009f72
 DIST rustc-1.60.0-src.tar.xz 136183048 BLAKE2B 8030f32c21f81af6abc7a282aab1189cb7d680c6bce58c119a1beaad71a3eeb36a696eef46a22d366e2c41a2f9182a9a5aa527426f2c8db05278184c37297dd0 SHA512 d0c113e8c2c67bf10773c9403dc4c4700c4deb2fb287bfec51e565d3473d2b481d8ae2c90b272cd67b3a87d7443ea25a34c7b40ba8cd7106bf5d71126ab141c3
 DIST rustc-1.60.0-src.tar.xz.asc 801 BLAKE2B 02a2c140e091ea6913a760daa93aa57ba6a7631d0b99867669ce68641d562d436f13ed1f1578713184f06c9307d46e19dfd7c8d74a516b04293bc65c02b90707 SHA512 8136d19d4f3f4c45249b59b689f01d4edf108535ffe1f813771bd244cde1c66184a0bde5a0acfed4fb01015812458204244bbb54e6f5fa86e9b1ef5e92e805e3
 DIST rustc-1.61.0-src.tar.xz 136696780 BLAKE2B 604299aa5c8dd7dff9802236898ca5d4fda8c54028d0aa557a6fe34c15941eb6e8c1dc5d2e172cd3680152ed1ff3fa9e58eb9b6a3b6f8f4ccccd949d810d31a7 SHA512 9bbdcc1c37f7b889be0c8d195963b4c3b65267a63ea309315eda12bd3b2cd36e0060301805dfc7da440c0a8702d085ccb0bf763155b27035a078769333637fb3
 DIST rustc-1.61.0-src.tar.xz.asc 801 BLAKE2B 46384fd77c72ecf5cd7c783655f9345e4d52718c737470548a9f3498af9cbb93c3bf618464507cd10185c39a5207fd6669c6c82841c8c82fa325001cbe659cb0 SHA512 5ea807254f0d7c207f10f1fb224101d9ae3a3c81aff16d2ba2ea4af1fe92345d1a25336b5cff0964aba9ed249e38ab9d3df41eb1217e048988093cdb46da8962
+DIST rustc-1.62.0-src.tar.xz 135644992 BLAKE2B f9133310dc951361588bdc0b631c7fc9e2187dbb6a71b4631786d68c0f9d221d12cc78f509df0a08a23beb6e647f18712db176ac62623c5b621e22281adf62c2 SHA512 02872a8409b0490fa9fa7a70756cbf103643694df6b2e2aea32ad8b70032a3162c7751cd92d78291587ee0120daeb9bc1ae5ec6136c7eb6eb584d8be3032dd3d
+DIST rustc-1.62.0-src.tar.xz.asc 801 BLAKE2B 1d9a6fcafdfc2f46b098403e36e401cc6b3834d4f7fffaa82f20a332f8843a0af10c814c3f585c6e062fd5e9fab3d231ab03cc0caa449acd1c8a9eea077c1932 SHA512 646a895d19847ab0cc1d2f85ce1643625a1785acda31d37ed9776257f8e4625b65e16e4b9f3210e816d4516633d963a0d7b520e35582366ee75059dcb2f1313f
diff --git a/dev-lang/rust/rust-1.62.0.ebuild b/dev-lang/rust/rust-1.62.0.ebuild
new file mode 100644
index 000000000000..8c14010bd458
--- /dev/null
+++ b/dev-lang/rust/rust-1.62.0.ebuild
@@ -0,0 +1,728 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{8..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 ~ppc64 ~riscv ~sparc ~x86"
+fi
+
+RUST_STAGE0_VERSION="1.$(($(ver_cut 2) - 1)).0"
+
+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-1 BSD-2 BSD-4 UoI-NCSA"
+
+IUSE="clippy cpu_flags_x86_sse2 debug dist doc miri nightly parallel-compiler profiler rls rustfmt rust-src system-bootstrap system-llvm test wasm ${ALL_LLVM_TARGETS[*]}"
+
+# Please keep the LLVM dependency block separate. Since LLVM is slotted,
+# we need to *really* make sure we're not pulling more than one slot
+# simultaneously.
+
+# How to use it:
+# List all the working slots in LLVM_VALID_SLOTS, newest first.
+LLVM_VALID_SLOTS=( 14 )
+LLVM_MAX_SLOT="${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}[${_x}(-)] )"
+	done
+	LLVM_DEPEND+=" )"
+done
+unset _s _x
+LLVM_DEPEND+=" )
+	<sys-devel/llvm-$(( LLVM_MAX_SLOT + 1 )):=
+	wasm? ( sys-devel/lld )
+"
+
+# 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/${PV}/src/stage0.txt
+RUST_DEP_PREV="$(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=
+	elibc_musl? ( sys-libs/libunwind:= )
+	system-llvm? ( ${LLVM_DEPEND} )
+"
+
+RDEPEND="${DEPEND}
+	app-eselect/eselect-rust
+	sys-apps/lsb-release
+"
+
+REQUIRED_USE="|| ( ${ALL_LLVM_TARGETS[*]} )
+	miri? ( nightly )
+	parallel-compiler? ( nightly )
+	rls? ( 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}/${PV}/bin/.*
+	usr/lib/${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}/${PV}/lib/rustlib/.*/bin/rust-llvm-dwp
+"
+
+# An rmeta file is custom binary format that contains the metadata for the crate.
+# rmeta files do not support linking, since they do not contain compiled object files.
+# so we can safely silence the warning for this QA check.
+QA_EXECSTACK="usr/lib/${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=(
+	"${FILESDIR}"/1.55.0-ignore-broken-and-non-applicable-tests.patch
+	"${FILESDIR}"/1.61.0-gentoo-musl-target-specs.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 rls 512 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}[${LLVM_TARGET_USEDEPS// /,}]"
+}
+
+pkg_pretend() {
+	pre_build_checks
+}
+
+pkg_setup() {
+	pre_build_checks
+	python-any-r1_pkg_setup
+
+	export LIBGIT2_NO_PKG_CONFIG=1 #749381
+
+	use system-bootstrap && bootstrap_rust_version_check
+
+	if use system-llvm; then
+		llvm_pkg_setup
+
+		local llvm_config="$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+		export LLVM_LINK_SHARED=1
+		export RUSTFLAGS="${RUSTFLAGS} -Lnative=$("${llvm_config}" --libdir)"
+	fi
+}
+
+src_prepare() {
+	if ! use system-bootstrap; then
+		local rust_stage0_root="${WORKDIR}"/rust-stage0
+		local rust_stage0="rust-${RUST_STAGE0_VERSION}-$(rust_abi)"
+
+		"${WORKDIR}/${rust_stage0}"/install.sh --disable-ldconfig \
+			--without=rust-docs --destdir="${rust_stage0_root}" --prefix=/ || die
+	fi
+
+	default
+}
+
+src_configure() {
+	local rust_target="" rust_targets="" arch_cflags use_libcxx="false"
+
+	# Collect rust target names to compile standard libs for all ABIs.
+	for v in $(multilib_get_enabled_abi_pairs); do
+		rust_targets="${rust_targets},\"$(rust_abi $(get_abi_CHOST ${v##*.}))\""
+	done
+	if use wasm; then
+		rust_targets="${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="${rust_targets#,}"
+
+	local tools="\"cargo\","
+	if use clippy; then
+		tools="\"clippy\",$tools"
+	fi
+	if use miri; then
+		tools="\"miri\",$tools"
+	fi
+	if use profiler; then
+		tools="\"rust-demangler\",$tools"
+	fi
+	if use rls; then
+		tools="\"rls\",\"analysis\",$tools"
+	fi
+	if use rustfmt; then
+		tools="\"rustfmt\",$tools"
+	fi
+	if use rust-src; then
+		tools="\"src\",$tools"
+	fi
+
+	local rust_stage0_root
+	if use system-bootstrap; then
+		local printsysroot
+		printsysroot="$(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="$(rust_abi)"
+
+	# https://bugs.gentoo.org/732632
+	if tc-is-clang; then
+		local clang_slot="$(clang-major-version)"
+		if { has_version "sys-devel/clang:${clang_slot}[default-libcxx]" || is-flagq -stdlib=libc++; }; then
+			use_libcxx="true"
+		fi
+	fi
+
+	local cm_btype="$(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 [[ ${use_libcxx} == true ]]; then
+			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)
+		build-config = { 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
+		doc-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 ${v##*.})"
+
+		cat <<- _EOF_ >> "${S}"/config.env
+			CFLAGS_${rust_target}=${arch_cflags}
+		_EOF_
+
+		cat <<- _EOF_ >> "${S}"/config.toml
+			[target.${rust_target}]
+			ar = "$(tc-getAR)"
+			cc = "$(tc-getCC)"
+			cxx = "$(tc-getCXX)"
+			linker = "$(tc-getCC)"
+			ranlib = "$(tc-getRANLIB)"
+		_EOF_
+		# librustc_target/spec/linux_musl_base.rs sets base.crt_static_default = true;
+		if use elibc_musl; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				crt-static = false
+			_EOF_
+		fi
+		if use system-llvm; then
+			cat <<- _EOF_ >> "${S}"/config.toml
+				llvm-config = "$(get_llvm_prefix "${LLVM_MAX_SLOT}")/bin/llvm-config"
+			_EOF_
+		fi
+	done
+	if use wasm; then
+		cat <<- _EOF_ >> "${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:-}"
+	env | grep "CARGO_TARGET_.*_RUSTFLAGS="
+	cat "${S}"/config.env || die
+	echo
+	einfo "config.toml contents:"
+	cat "${S}"/config.toml || die
+	echo
+}
+
+src_compile() {
+	# we need \n IFS to have config.env with spaces loaded properly. #734018
+	(
+	IFS=$'\n'
+	env $(cat "${S}"/config.env) 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 ${t}"
+		if ! (
+				IFS=$'\n'
+				env $(cat "${S}"/config.env) 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: ${failed[@]}"
+		die "aborting due to test failures"
+	fi
+}
+
+src_install() {
+	(
+	IFS=$'\n'
+	env $(cat "${S}"/config.env) 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 rls && symlinks+=( rls )
+	use rustfmt && symlinks+=( rustfmt cargo-fmt )
+
+	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"
+		$(use amd64 && usex elibc_musl 'CARGO_TARGET_X86_64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=-crt-static"' '')
+		$(use arm64 && usex elibc_musl 'CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_RUSTFLAGS="-C target-feature=-crt-static"' '')
+	_EOF_
+
+	rm -rf "${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-${P}"
+	fi
+	if use rls; then
+		echo /usr/bin/rls >> "${T}/provider-${P}"
+	fi
+	if use rustfmt; then
+		echo /usr/bin/rustfmt >> "${T}/provider-${P}"
+		echo /usr/bin/cargo-fmt >> "${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
+}