mail-client/thunderbird: add 115.4.2

Signed-off-by: Joonas Niilola <juippis@gentoo.org>

2 files changed, 1390 insertions, 0 deletions

diff --git a/mail-client/thunderbird/Manifest b/mail-client/thunderbird/Manifest
index 343f17dad390..f67ca462d402 100644
--- a/mail-client/thunderbird/Manifest
+++ b/mail-client/thunderbird/Manifest
@@ -64,3 +64,68 @@ DIST thunderbird-115.4.1-vi.xpi 742633 BLAKE2B c037c0d201406a0eb8f6193412d300b8a
 DIST thunderbird-115.4.1-zh-CN.xpi 740611 BLAKE2B d021dfab257ff501968fe30e4b9a1cfb241635b556c35a63996f3a9ad40b6c77af6545a7b6d49ffbc036198a3e378222b41e96ef775c356d57af2c769c89b5dd SHA512 82ddb41a722524db6226c7d943ec3284399645336f94a7579aba6d9b30585b31e8618313da40ea211ce092522d61c716f24f939f5f08e0f037738bfeca1e76c8
 DIST thunderbird-115.4.1-zh-TW.xpi 743527 BLAKE2B 2d8d2994be4811e558905375bf93b86bea3b827f33d071df21a773ffbf98756f0638fe5ca747f482eb983ca5b7073b0881825f1b27c5454d1bd94498a5b3b9fe SHA512 094f404ab4b191ef019c91b36eec3c1ed82a98d93dcfd51d75feac8792f3fd2cfa41b46f190c95e89e55b95cfeb4b99cc3302e1891eea70f57269c95bd4e33f5
 DIST thunderbird-115.4.1.source.tar.xz 537988108 BLAKE2B 784ffa1b57cc6683f7e21d1dc00049f0b70fa591df4a46b099b8d2c205cad024008005d67f0cb76c7765a47ae176d8238fbebc8a27f63374f0f7c65c98c7d620 SHA512 ccf48a5376027b1e0182d4040a0571e5f34c2378349c0d11cb4e14c75f10247e2522e8d8d2a0a45022ff1a463a49f59b1cf611c70951cf5e1b383051c0573164
+DIST thunderbird-115.4.2-af.xpi 542154 BLAKE2B 52600dcb45906693f837ef33493f5044b3003a5dda425f34878964119c1f2279a978cc1293b7ea285425db6be224ee4d563e0f4f6cf001d4207322fcfd9aa2ce SHA512 3e3c24de127165a6340accc631e8d170ef195de350472245dc78727932d4f7c8fb3ffb7402394c84e7c8f1d692e2410a13f2a4b748bd6ad2bbef8dc488051f72
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+DIST thunderbird-115.4.2-el.xpi 836691 BLAKE2B c0338f54d7bac060490cec569cecf8375f580f717af774a7363a561dd772011617a9647e232ca6416c3439eaf5e226390913ab42c801bd0319ff1dd050ed8971 SHA512 55b35a99d02b7892b036abd027a31c68869b7dcbb9fb368962323f0cb7ffff2d6cdd15f89402efc2cc80204b524131004c35f95502dc049ff792fc48d10d7730
+DIST thunderbird-115.4.2-en-CA.xpi 656172 BLAKE2B 177af9035a6682a221b979e989102faed168c249ce801ac23a880a5f6f0fc265e607dc62f65e48a57b73f7b687bf90d335e1227135f179fd907c69cac247d346 SHA512 1c8a99dab32a9a034b6e79b8bf203847df440689cad717e76593408d80f8b80efbfbb2971487e98b58076b2b2f7d0c2160700add4bbb7400eb026346484fff66
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+DIST thunderbird-115.4.2-eu.xpi 692550 BLAKE2B feb373391deeb3308852343c5660ca4c41efa53f86c5a320cc3a52e1178345036798b50be418390633c85e417a60407793b0900cbaf1e9e76daa5a35c39270cb SHA512 3d5f0f49909674d8edbad47f847f2b5600f3ecfb4dbdc4c325deada4e9b7c0ed14bdcb10d845cec0082c27988ecff496fa0d4f9c32d2c6ba0518b0dc63c75095
+DIST thunderbird-115.4.2-fi.xpi 690415 BLAKE2B b72ef3a9280551816546e0e7b4b18abcf64841be4b8dc4a5012f18f1f16da78cd150e6f0e6db33472c5d5de7e897cde39d8e3b59dc575d5f2e0fe2d3f934d59f SHA512 fae06f4452e93c68fe473b38e93f0820737f6c833698fc7a7f4d58282e229e0a16fbd293b1bf9343da135e81f7c6dd798fc7fec83d141316c400b3ff22e3858e
+DIST thunderbird-115.4.2-fr.xpi 725269 BLAKE2B 48a054649df189058b6aa2793db25cf7691ecb32dedabbd360abb2aa93c614414996d702cd2a0d8b56fa9c1a46eb7f10aea3ec5873de8d94e117539a5f95044f SHA512 34e0fad6f1d9d30cff33f6ad4576d236310168d3552b1e1ecf377a10bbd285f7c4090b76dbfc2cbaaf9073f4ae804746459ec176dc8da7a0589a3b888c4ee739
+DIST thunderbird-115.4.2-fy-NL.xpi 707840 BLAKE2B 0016299f9de26dc2fa73c311f7b3d11cd13988a7606e3b97640aaef5d940b3d0b77f1e0f42c5aef15708c4e25db05fd9e2bf39b306ddb68e46efa15e8c4b0a67 SHA512 b41221ce42e6735de2c453ad368261228649d615caf122174841ee5393e8a847cf2663a08ac668e669f821412e81cea36d3da30487f50567c4c45769a6c111f2
+DIST thunderbird-115.4.2-ga-IE.xpi 602152 BLAKE2B 071f3155167812d9795f658c5d369fab5fcff8dbdb12606f41b05ae436558990d2614e6269b339f435fb7afe2ee9ace4e1c70dfa3dcf4213101ef51803e7bf24 SHA512 7285737078d2f1286a58bf0c11db7b1358ea11ad5a055b6c03119c1c8704162f351223d1964555d3451a94475d797029e92a71904088ca699a7d29456eb4ff34
+DIST thunderbird-115.4.2-gd.xpi 702991 BLAKE2B 98ae15bc36ef94955c3aca9c3045bf585d701951d52217994a0109d1c83cdbb1578894cfad8a88985d90de299db3b9f71a9180e649e1d97d5b468dea7c8d964e SHA512 505b2b57073b4ca5207cc393f876cfc627f777cf5ae34ebed5dba33e1ed22fe1cbca3146fa5c8ded32d1d2d406e583db4adaaa8f4b2d80c9a39d38d82937a5fe
+DIST thunderbird-115.4.2-gl.xpi 705372 BLAKE2B 825006703d291cb59bf2d97a05a315d5a659dcd294c6e63655bf944df01572707ac93b5091caa144860019d15c239854ee4932bbab1d92954eb3c745a6f2b4b8 SHA512 2d86b566aa03e255de39f6386eb9bde6634b6d7e7c3825763a9817678a39db278a2d6c0ff9ae228619f3b430c74a6d5cca7c754acab7cf94b0264b7553d5c34e
+DIST thunderbird-115.4.2-he.xpi 667478 BLAKE2B 2972514d9b4cc92ee00cbe6e84e7ba32a42d0c569fda60774fa0af1c68815a8decf41894c803222ebd2a0fbf5881ad622bfd9b141acaf6bc3f6062d1f43c47ea SHA512 1f4af45d0a63bea269aea409e5922dc9b57ea1f73c37ce3b32ee6db699d8cae069743cb124692b878d3e20168bcc7b6eff72902a566e3c702b1a0c00351cc12b
+DIST thunderbird-115.4.2-hr.xpi 674805 BLAKE2B 1a615a414b55311848e8a7a65cc542c7b5b7051b0946d858067d0bd72a6b46eeb48d3ceb30ad0f20bbd4b5794cf3042a724142e622d66d86aeed4fe45d018f89 SHA512 3d6067821a82c34e705d45d6aa9081779c344d5106963784f85d075b42f81738841d282c224b828bb290aa28507ae8ebbd00c305c30e60e07fd06f7bd0f78ed6
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+DIST thunderbird-115.4.2-kab.xpi 698917 BLAKE2B 7bf3881179f6e1e74e98cbe1967cfc5c0ba97f7e16652b51d5d48e0f95df6410c02971a78f27fdbaa9bbab9f4ab2eba869b225b9c1bc4c64fdb3f281f83cedab SHA512 afc62f464bae9276f0e600a6f58674331f07207f2535590d639e1451d660985f505e96cf44091b36b6df4e52d01f5b94a0a827e4c32f0c95f18187bd1bd619f2
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+DIST thunderbird-115.4.2-ko.xpi 712589 BLAKE2B 4650df718c5e30b43a30087f78962fe243ae68800bbe0dc68aa00cf2c99b43f7c1e0946496ad4898e630ab04fe8caf1cbfdcc03511c2eaa0a946e07de9b6d5d0 SHA512 e6c0e43a92a3d52c93fa555bc25d2c94b24e9bb4cc8e555d0364e44b3a3361771abd09c3472379550c7e675705ab8d471a160158f72c715c91fb3d0bffbd97e0
+DIST thunderbird-115.4.2-lt.xpi 680093 BLAKE2B 0ebb2d92e5e36a69c936596d193fd865e559a36b7c3c5f1328788be400295fc7548209763461f106fbc1f16dd0b7c03ddaa296780ac1b5d4ef3955e4e3991888 SHA512 c835525d2d287c842ccc3b28115e773c8fc5eb9d833a0dcaa89b4d4a3d5678e61b6a1bf00177a19029b5f8a924796035437f8f8451cdfc67f84761577b699ad5
+DIST thunderbird-115.4.2-lv.xpi 604646 BLAKE2B 710dd8af40c73cdf465b441fed53541651107608783bf331859e236c8984d6ef13db71921ce2ea55b3804658ab1d067d0be3c78f0b87b0fa3265ae7b5d98edce SHA512 633815a94021a1fced6fe6c3c1c8e1dcff446bf520a2814a0faaa571b6a70325f787988e46a85d77006b8956c82a5739ba9a842e83879a506a950361d9fd9594
+DIST thunderbird-115.4.2-ms.xpi 565733 BLAKE2B d28e735c34cf06c82fef1ed30dcfcf68aba62065c6433fc59c30a557903d4b04190b8bcf444cf1b2f67551c9d228eba2518a6e53b8fcc8ad0a3688c18202a3a6 SHA512 77b064bec644fddd804e6c152aa04a8f13029d6408d837c1ab2f744339f6aa5f6f563709e1f86f9425b595bd038d483bc59c0b73e511796c1b3a5a096c4a87a1
+DIST thunderbird-115.4.2-nb-NO.xpi 653834 BLAKE2B 0dff351bc0bdbdf53ad5104327d9690caa7175ec5b820f7b09f87ff66f984a8bccae612b6329010a81f3ab0aa8a1d29efd20224801fa353573c7129e9ac4b42c SHA512 c0780d1f69a0495a37d34d831ac58e887b02eb50e660d5ea939b553d9c547557bafadea8ed49fd475c7ecadda45203a158382b4cbd11b857eea561ac6e2b18e0
+DIST thunderbird-115.4.2-nl.xpi 699387 BLAKE2B 22956a74e2346b1536d55bd1026644bc5624a6784a997b75ed0e1c391c8cfc601b1a2cf8659cd3a0be9d9193f2a4d47e7e7fd3dad86deb4429ec81bc7bd7fedd SHA512 1260cc0fe970eb2f6301837259e144bca8a628c596660aa853164f83ca8997a81c72eccc2d210b4f401157d7c545c0cb34ceaeb96dd3d85dcc764387d5dfafa5
+DIST thunderbird-115.4.2-nn-NO.xpi 672836 BLAKE2B 5807e28377b4f5a9ff13de853786c63673a02ea3413435c7f045b3112b84e4f6a5720c34a9f7f242008ecd6bc8fc45a82f2a409151e1054012af7086a22704ec SHA512 4beae73a484c69636ffdb58ca7ae3c78f57836d20418cd97311854817c9cf5cae0bba4fd6fdb819594702ab6ae861585be5bfb702cd3c49d60d9b446b2e16bd5
+DIST thunderbird-115.4.2-pa-IN.xpi 655774 BLAKE2B 0ac9c058526049bf1bdfcce39509910ff13555dbca6fb95fd4f42df960dbe46ed867b08ca323299daf772a32775b2af1790ba28209ce5b9e78179db53906d4a0 SHA512 47560b437742e775f01a8353bef947c791dbec90bbf502c20152d23f8a391441b65f0e62b71d17c17aaf5742949c0b7406f27adb968ab1ef58c7b1f05f4e413c
+DIST thunderbird-115.4.2-pl.xpi 716519 BLAKE2B 7dd6cb48f69dc40e9ac7013f7f7a92ec06457384acc885493efc69c8c63b3cc1816edfe2b6f09798f6e9e64b2eaa4d6d274c6bd2505ac412a8cfe68810b0dd4a SHA512 afba3908a63fbfd8169c641dcba66feafa6b92780d4bfaaf0c6fd8543d71950d76f79c454376a7265a74c148fe0782b3d0cd120f7fe83202e7c658d23c0de460
+DIST thunderbird-115.4.2-pt-BR.xpi 707196 BLAKE2B dd641e310b28ba9455a75ceeb431f13bcf52bd33febc3fee623168862131ebc485bdb779a1af953ea5fdb22164ecc6db3e50c39b62b2169abca7ba0f65403bf0 SHA512 628f7883bd3411feef7018505ccb23d19bc3565e34f7d97d3969a354432d651af6239d3c7b6f9947d4def2714248db320b8ba10602209dfa0cc01484783b0d97
+DIST thunderbird-115.4.2-pt-PT.xpi 688986 BLAKE2B 36520fa6e46f06d274c3c1c11a90cc59ef45c7ff60819424e72a55d1f1814a169878ef64afc7e9722d2f2608883d8241c48650187dea79aa46889442e49d1b0f SHA512 508ca9e791ce58647e4aac934c17908f2e086065316e95cf171b10482aaaa7dc7e7bc23c992a28fc5d75de9552c47f94069304f4deb51092eb15b1c23e52a40c
+DIST thunderbird-115.4.2-rm.xpi 703911 BLAKE2B 727a4e1e66424ed97c72702be3d9c3099a5cf74410d55299ef23263ec36b5532645fc3b62b1e2731596101ea2f194cb6d9230979bf9763bc0349d3d7727beced SHA512 0270e8a861e093b8655f9e78b865f40edbc8240be31eae1f484aaf178810823ef00d83f7b22b191e4a500df6c7883fc361b6432711dab0d0cd8b8dcc729e10a5
+DIST thunderbird-115.4.2-ro.xpi 651297 BLAKE2B 600cd65a44c876257cd1772d928c62775267014295b467439dc9865dff2e3e8bafc55b8d5aa8fe16dd6360e4871a86999be94d142fd38c307bf1e5fc6614dd6b SHA512 7fe5642a30a76c9a3f120fe697a31ba456e114f7605a01a8eaba06154e0bb567971c917389c218d914846b9b859eb18206912b6046c80e83f4dc8a37f7204486
+DIST thunderbird-115.4.2-ru.xpi 820779 BLAKE2B fe0c451f807f0c6208794e96923934ae7ffc86391a8abaf79bc4f88997de95ee577db0294acf2962461e89e8e1be0d98e79dff8696883bbdc073c4ae1d100758 SHA512 01080b9170d36905fae3301dd6059c92b8f24d3061ea85ff0a6060356289c747190c8985b992c4b15c8c63891069e4316921b130b0edaf3a32f31b6c5bba621e
+DIST thunderbird-115.4.2-sk.xpi 736587 BLAKE2B 73bfaeef2b61789fc2cc85fe4f258c0ca139c9794eb18638deb887abe28f9e1442b0033c027ff059992c54853df7ba3d674f2c55f8534dd515d2a91543a325fb SHA512 f77f1dd2fa19f10929335acfd03a44d9ec1bc0edd7241413920fca7a88709b273542bffaf6aa1dcaf1aae7625913eca74a4086059945d4d995ed2362573d19f8
+DIST thunderbird-115.4.2-sl.xpi 701669 BLAKE2B 6e87a385e5b2e1c3caa2d442838dbaeeb13f72adf6af90f574b9b3717a978de15e4bebbf8d27ca861abcf8d867960732f05012b07cf0ad5a4689b392af99fa80 SHA512 f5856dd4037c8463cebfd88e3c70a7f02d92e1c183b8cfc9dec95932fa3db0083b9e3476ec27abe238e3d5a156140287ad34f596d2b3357c40b2158608663865
+DIST thunderbird-115.4.2-sq.xpi 717450 BLAKE2B 4cb2773e34ce5d4af161266f66429e2fb98de2be3078a80e6d712de36f8317d8660a59634f8a87de15971cb5cb8eef69139823bf2856dc8c8038f74a707b8a03 SHA512 5446f48d070b578dd5cc56aa918f9b14de4dc295ad157db921a1e58d6a449a12e400333f526a761e293e47db7e0c7d1a2222a40def267f8a4ee115c792fd8cb7
+DIST thunderbird-115.4.2-sr.xpi 740172 BLAKE2B 7c2162b05d030fa6adf0b305a45097a6f37883527c3cad110886198ded31955510cf1614ecc0315b773ef70da5f9d1459b66b42cf499b766926d1c3d2fa3ccb6 SHA512 f5e1ba1390401ed8e29684bb3906158026d9c4841c781cfafdb84011e0801a266983b888c3d3b65cec93bc8741a5102baeeed4ec6bed73f0e1777f2d67f7f1ab
+DIST thunderbird-115.4.2-sv-SE.xpi 702286 BLAKE2B ad1062161e4494ab934810c761c321546f39288a3c0c44a6b0674c91137684d78979e2f37a8306abaa8bd10f7fba6781f4ab954e121204839def31328fe27ec8 SHA512 9e1e09090ce0a0fa1c99d53dedab0c9a2b4ce48b88e64b512d4d87186a9bbc994df057a736c3991e0cd2afe2a6c5552f2b436252c17166c4c9e05321fcedad31
+DIST thunderbird-115.4.2-th.xpi 761857 BLAKE2B 3d62ab417e8db830df0caa9c241c02caab192a607561317419b5457c95ff6bc76a3a792396425d6b9f903e53ea8fedecee58cdcfcb2baae3989a5611799df747 SHA512 3ec14775b81a4fe4543936154a3e3dc529750cc94070facb2d0abf72d7a1b71295d192b20dec3af71c9fdcfd0d9deb5b32bfc4d8f2c76fc2b41e529bee791190
+DIST thunderbird-115.4.2-tr.xpi 714657 BLAKE2B e44166833c07256579b92986ba1ca3823cc0dcb46be03396bd25b7eda408e6294f4e3959c7b144115c479d9009a5c84e740faa4da22285bbcef405de15a5b09a SHA512 fdfda2cd1ef9b7e2c5288cc23704d1e4ef307b28f73eaf50c96f1660b6c81520f83cf52617b86c28b692a0c66ce85b2f395d2a18283cf75bccc377e37ebd0164
+DIST thunderbird-115.4.2-uk.xpi 813297 BLAKE2B 4f3d4111c66f37b2e31481f4ce0625dd24285a2f1f2d26cffc00ce59a54fea86b0ea68a73f1c183267a4e01e60d3ecd11b9e217d859f83658aab03f5aa2650a5 SHA512 8a0fc31accb99088704328cd073fbb3364d7ea5eee19172b5da8f79b5f5110a0922f62eeecbf03ae115ae31067ff39dd3c58571f55a10f1cc7d8daa02b0f6c61
+DIST thunderbird-115.4.2-uz.xpi 579984 BLAKE2B 1560a99c10c10fe8e3f630370347680b5e2dd4965f78654c2fac1382a3be405a53996a3b9ab563de318d179e71b79cb1eb0b485b4ca2b3ef14f66117c38d53b7 SHA512 9845cbb8e3050da631a20a5c893f809dca0b1c4e3234698f392161f28f37002d8eef4d7d2594a0966823ff63eb1d64aff821a85f53075680dcca01d86d951d32
+DIST thunderbird-115.4.2-vi.xpi 742633 BLAKE2B 3c6f69a35e0f0509d5342b4e98daf22e1e149bb2f4a19ccc27e82bb8ef3a6903753e816f4b26d79b9c3a53a17ce493a7f4f9c53ee4d1e0c0f47b6d42e7d7154d SHA512 8046098e2ad94691029d93d76e2c86365fcc40143fddc8344bc9490479a4d6b15b59d0c71e08f6b01f5432ce6b5893de1007fa5801042e605b94baedb585a0e3
+DIST thunderbird-115.4.2-zh-CN.xpi 740611 BLAKE2B 4ffebb29634666701660dee78f4bb8eeeb0a3df5c63fb19a0087944f704f1245765dac1338d7285c5d7937c6b194bc48539f3591cf41853a8c15bd2c95516b5d SHA512 cccf099c3ec92b5322623a92775147ad859dd062d0325129dc55fead0613831b63cb0afe3459b8e8a1ba94ff8c1458b9785c0f62630f72a01973bbbb228aa3db
+DIST thunderbird-115.4.2-zh-TW.xpi 743525 BLAKE2B f2d75f9b5861e7f86cfdf208ccc7348d24817b94f430fb23e0ecaf766186152b3d6e54ab87efaf4ea7134b5bf3fede25fe91dafc1f0df51ebab0b0ebf252330d SHA512 448a82d71905e3b6253b3a0f34edab994d3115574c3497cfe675286377142991284992f02a4c65d335d4e353954e801bc85293e59383e714da8fa7e7c6181e26
+DIST thunderbird-115.4.2.source.tar.xz 532064924 BLAKE2B 89c6df7c8992143eb8f2d1b3c4cdf1ff5698195e43bb20b5853a24c743df730ca86c8d4a6877b86a479346f851b09c07dd174e65203bdd0f480b3900242a4841 SHA512 44cedd5931edbac2ab0babfaf0e71a0262317c01fd7d71e8740bb8f54766c9b49b9e325f1d2796c3a233d4298457d8769b675213a21bef759c46086080bcc8bc
diff --git a/mail-client/thunderbird/thunderbird-115.4.2.ebuild b/mail-client/thunderbird/thunderbird-115.4.2.ebuild
new file mode 100644
index 000000000000..1fb6c7dc8963
--- /dev/null
+++ b/mail-client/thunderbird/thunderbird-115.4.2.ebuild
@@ -0,0 +1,1325 @@
+# Copyright 1999-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+FIREFOX_PATCHSET="firefox-115esr-patches-07.tar.xz"
+
+LLVM_MAX_SLOT=17
+
+PYTHON_COMPAT=( python3_{10..11} )
+PYTHON_REQ_USE="ncurses,sqlite,ssl"
+
+WANT_AUTOCONF="2.1"
+
+VIRTUALX_REQUIRED="manual"
+
+MOZ_ESR=
+
+MOZ_PV=${PV}
+MOZ_PV_SUFFIX=
+if [[ ${PV} =~ (_(alpha|beta|rc).*)$ ]] ; then
+	MOZ_PV_SUFFIX=${BASH_REMATCH[1]}
+
+	# Convert the ebuild version to the upstream Mozilla version
+	MOZ_PV="${MOZ_PV/_alpha/a}" # Handle alpha for SRC_URI
+	MOZ_PV="${MOZ_PV/_beta/b}"  # Handle beta for SRC_URI
+	MOZ_PV="${MOZ_PV%%_rc*}"    # Handle rc for SRC_URI
+fi
+
+if [[ -n ${MOZ_ESR} ]] ; then
+	# ESR releases have slightly different version numbers
+	MOZ_PV="${MOZ_PV}esr"
+fi
+
+MOZ_PN="${PN%-bin}"
+MOZ_P="${MOZ_PN}-${MOZ_PV}"
+MOZ_PV_DISTFILES="${MOZ_PV}${MOZ_PV_SUFFIX}"
+MOZ_P_DISTFILES="${MOZ_PN}-${MOZ_PV_DISTFILES}"
+
+inherit autotools check-reqs desktop flag-o-matic gnome2-utils linux-info \
+	llvm multiprocessing optfeature pax-utils python-any-r1 toolchain-funcs \
+	virtualx xdg
+
+MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/releases/${MOZ_PV}"
+
+if [[ ${PV} == *_rc* ]] ; then
+	MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/candidates/${MOZ_PV}-candidates/build${PV##*_rc}"
+fi
+
+PATCH_URIS=(
+	https://dev.gentoo.org/~juippis/mozilla/patchsets/${FIREFOX_PATCHSET}
+)
+
+SRC_URI="${MOZ_SRC_BASE_URI}/source/${MOZ_P}.source.tar.xz -> ${MOZ_P_DISTFILES}.source.tar.xz
+	${PATCH_URIS[@]}"
+
+DESCRIPTION="Thunderbird Mail Client"
+HOMEPAGE="https://www.thunderbird.net/"
+
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+
+SLOT="0"
+LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
+
+IUSE="+clang cpu_flags_arm_neon dbus debug eme-free hardened hwaccel"
+IUSE+=" jack libproxy lto +openh264 pgo pulseaudio sndio selinux"
+IUSE+=" +system-av1 +system-harfbuzz +system-icu +system-jpeg +system-libevent +system-libvpx system-png system-python-libs +system-webp"
+IUSE+=" wayland wifi +X"
+
+# Thunderbird-only USE flags.
+IUSE+=" +system-librnp"
+
+REQUIRED_USE="|| ( X wayland )
+	debug? ( !system-av1 )
+	pgo? ( lto )
+	wifi? ( dbus )"
+
+TB_ONLY_DEPEND="!<x11-plugins/enigmail-2.2
+	selinux? ( sec-policy/selinux-thunderbird )
+	!system-librnp? ( dev-libs/jsoncpp )
+	system-librnp? ( dev-util/librnp )"
+BDEPEND="${PYTHON_DEPS}
+	|| (
+		(
+			sys-devel/clang:17
+			sys-devel/llvm:17
+			clang? (
+				sys-devel/lld:17
+				virtual/rust:0/llvm-17
+				pgo? ( =sys-libs/compiler-rt-sanitizers-17*[profile] )
+			)
+		)
+		(
+			sys-devel/clang:16
+			sys-devel/llvm:16
+			clang? (
+				sys-devel/lld:16
+				virtual/rust:0/llvm-16
+				pgo? ( =sys-libs/compiler-rt-sanitizers-16*[profile] )
+			)
+		)
+		(
+			sys-devel/clang:15
+			sys-devel/llvm:15
+			clang? (
+				sys-devel/lld:15
+				virtual/rust:0/llvm-15
+				pgo? ( =sys-libs/compiler-rt-sanitizers-15*[profile] )
+			)
+		)
+	)
+	app-alternatives/awk
+	app-arch/unzip
+	app-arch/zip
+	>=dev-util/cbindgen-0.24.3
+	net-libs/nodejs
+	virtual/pkgconfig
+	!clang? ( >=virtual/rust-1.65 )
+	amd64? ( >=dev-lang/nasm-2.14 )
+	x86? ( >=dev-lang/nasm-2.14 )
+	pgo? (
+		X? (
+			sys-devel/gettext
+			x11-base/xorg-server[xvfb]
+			x11-apps/xhost
+		)
+		wayland? (
+			>=gui-libs/wlroots-0.15.1-r1[tinywl]
+			x11-misc/xkeyboard-config
+		)
+	)"
+COMMON_DEPEND="${TB_ONLY_DEPEND}
+	>=app-accessibility/at-spi2-core-2.46.0:2
+	dev-libs/expat
+	dev-libs/glib:2
+	dev-libs/libffi:=
+	>=dev-libs/nss-3.90
+	>=dev-libs/nspr-4.35
+	media-libs/alsa-lib
+	media-libs/fontconfig
+	media-libs/freetype
+	media-libs/mesa
+	media-video/ffmpeg
+	sys-libs/zlib
+	virtual/freedesktop-icon-theme
+	x11-libs/cairo
+	x11-libs/gdk-pixbuf
+	x11-libs/pango
+	x11-libs/pixman
+	dbus? (
+		dev-libs/dbus-glib
+		sys-apps/dbus
+	)
+	jack? ( virtual/jack )
+	pulseaudio? (
+		|| (
+			media-libs/libpulse
+			>=media-sound/apulse-0.1.12-r4[sdk]
+		)
+	)
+	libproxy? ( net-libs/libproxy )
+	selinux? ( sec-policy/selinux-mozilla )
+	sndio? ( >=media-sound/sndio-1.8.0-r1 )
+	system-av1? (
+		>=media-libs/dav1d-1.0.0:=
+		>=media-libs/libaom-1.0.0:=
+	)
+	system-harfbuzz? (
+		>=media-gfx/graphite2-1.3.13
+		>=media-libs/harfbuzz-2.8.1:0=
+	)
+	system-icu? ( >=dev-libs/icu-73.1:= )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-libevent? ( >=dev-libs/libevent-2.1.12:0=[threads(+)] )
+	system-libvpx? ( >=media-libs/libvpx-1.8.2:0=[postproc] )
+	system-png? ( >=media-libs/libpng-1.6.35:0=[apng] )
+	system-webp? ( >=media-libs/libwebp-1.1.0:0= )
+	wayland? (
+		>=media-libs/libepoxy-1.5.10-r1
+		x11-libs/gtk+:3[wayland]
+		x11-libs/libxkbcommon[wayland]
+	)
+	wifi? (
+		kernel_linux? (
+			dev-libs/dbus-glib
+			net-misc/networkmanager
+			sys-apps/dbus
+		)
+	)
+	X? (
+		virtual/opengl
+		x11-libs/cairo[X]
+		x11-libs/gtk+:3[X]
+		x11-libs/libX11
+		x11-libs/libXcomposite
+		x11-libs/libXdamage
+		x11-libs/libXext
+		x11-libs/libXfixes
+		x11-libs/libxkbcommon[X]
+		x11-libs/libXrandr
+		x11-libs/libXtst
+		x11-libs/libxcb:=
+	)"
+RDEPEND="${COMMON_DEPEND}
+	jack? ( virtual/jack )
+	openh264? ( media-libs/openh264:*[plugin] )"
+DEPEND="${COMMON_DEPEND}
+	X? (
+		x11-base/xorg-proto
+		x11-libs/libICE
+		x11-libs/libSM
+	)"
+
+S="${WORKDIR}/${PN}-${PV%_*}"
+
+llvm_check_deps() {
+	if ! has_version -b "sys-devel/clang:${LLVM_SLOT}" ; then
+		einfo "sys-devel/clang:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+		return 1
+	fi
+
+	if use clang && ! tc-ld-is-mold ; then
+		if ! has_version -b "sys-devel/lld:${LLVM_SLOT}" ; then
+			einfo "sys-devel/lld:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+			return 1
+		fi
+
+		if ! has_version -b "virtual/rust:0/llvm-${LLVM_SLOT}" ; then
+			einfo "virtual/rust:0/llvm-${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+			return 1
+		fi
+
+		if use pgo ; then
+			if ! has_version -b "=sys-libs/compiler-rt-sanitizers-${LLVM_SLOT}*[profile]" ; then
+				einfo "=sys-libs/compiler-rt-sanitizers-${LLVM_SLOT}*[profile] is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+				return 1
+			fi
+		fi
+	fi
+
+	einfo "Using LLVM slot ${LLVM_SLOT} to build" >&2
+}
+
+MOZ_LANGS=(
+	af ar ast be bg br ca cak cs cy da de dsb
+	el en-CA en-GB en-US es-AR es-ES es-MX et eu
+	fi fr fy-NL ga-IE gd gl he hr hsb hu
+	id is it ja ka kab kk ko lt lv ms nb-NO nl nn-NO
+	pa-IN pl pt-BR pt-PT rm ro ru
+	sk sl sq sr sv-SE th tr uk uz vi zh-CN zh-TW
+)
+
+mozilla_set_globals() {
+	# https://bugs.gentoo.org/587334
+	local MOZ_TOO_REGIONALIZED_FOR_L10N=(
+		fy-NL ga-IE gu-IN hi-IN hy-AM nb-NO ne-NP nn-NO pa-IN sv-SE
+	)
+
+	local lang xflag
+	for lang in "${MOZ_LANGS[@]}" ; do
+		# en and en_US are handled internally
+		if [[ ${lang} == en ]] || [[ ${lang} == en-US ]] ; then
+			continue
+		fi
+
+		# strip region subtag if $lang is in the list
+		if has ${lang} "${MOZ_TOO_REGIONALIZED_FOR_L10N[@]}" ; then
+			xflag=${lang%%-*}
+		else
+			xflag=${lang}
+		fi
+
+		SRC_URI+=" l10n_${xflag/[_@]/-}? ("
+		SRC_URI+=" ${MOZ_SRC_BASE_URI}/linux-x86_64/xpi/${lang}.xpi -> ${MOZ_P_DISTFILES}-${lang}.xpi"
+		SRC_URI+=" )"
+		IUSE+=" l10n_${xflag/[_@]/-}"
+	done
+}
+mozilla_set_globals
+
+moz_clear_vendor_checksums() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -ne 1 ]] ; then
+		die "${FUNCNAME} requires exact one argument"
+	fi
+
+	einfo "Clearing cargo checksums for ${1} ..."
+
+	sed -i \
+		-e 's/\("files":{\)[^}]*/\1/' \
+		"${S}"/third_party/rust/${1}/.cargo-checksum.json \
+		|| die
+}
+
+moz_install_xpi() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -lt 2 ]] ; then
+		die "${FUNCNAME} requires at least two arguments"
+	fi
+
+	local DESTDIR=${1}
+	shift
+
+	insinto "${DESTDIR}"
+
+	local emid xpi_file xpi_tmp_dir
+	for xpi_file in "${@}" ; do
+		emid=
+		xpi_tmp_dir=$(mktemp -d --tmpdir="${T}")
+
+		# Unpack XPI
+		unzip -qq "${xpi_file}" -d "${xpi_tmp_dir}" || die
+
+		# Determine extension ID
+		if [[ -f "${xpi_tmp_dir}/install.rdf" ]] ; then
+			emid=$(sed -n -e '/install-manifest/,$ { /em:id/!d; s/.*[\">]\([^\"<>]*\)[\"<].*/\1/; p; q }' "${xpi_tmp_dir}/install.rdf")
+			[[ -z "${emid}" ]] && die "failed to determine extension id from install.rdf"
+		elif [[ -f "${xpi_tmp_dir}/manifest.json" ]] ; then
+			emid=$(sed -n -e 's/.*"id": "\([^"]*\)".*/\1/p' "${xpi_tmp_dir}/manifest.json")
+			[[ -z "${emid}" ]] && die "failed to determine extension id from manifest.json"
+		else
+			die "failed to determine extension id"
+		fi
+
+		einfo "Installing ${emid}.xpi into ${ED}${DESTDIR} ..."
+		newins "${xpi_file}" "${emid}.xpi"
+	done
+}
+
+mozconfig_add_options_ac() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -lt 2 ]] ; then
+		die "${FUNCNAME} requires at least two arguments"
+	fi
+
+	local reason=${1}
+	shift
+
+	local option
+	for option in ${@} ; do
+		echo "ac_add_options ${option} # ${reason}" >>${MOZCONFIG}
+	done
+}
+
+mozconfig_add_options_mk() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -lt 2 ]] ; then
+		die "${FUNCNAME} requires at least two arguments"
+	fi
+
+	local reason=${1}
+	shift
+
+	local option
+	for option in ${@} ; do
+		echo "mk_add_options ${option} # ${reason}" >>${MOZCONFIG}
+	done
+}
+
+mozconfig_use_enable() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -lt 1 ]] ; then
+		die "${FUNCNAME} requires at least one arguments"
+	fi
+
+	local flag=$(use_enable "${@}")
+	mozconfig_add_options_ac "$(use ${1} && echo +${1} || echo -${1})" "${flag}"
+}
+
+mozconfig_use_with() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	if [[ ${#} -lt 1 ]] ; then
+		die "${FUNCNAME} requires at least one arguments"
+	fi
+
+	local flag=$(use_with "${@}")
+	mozconfig_add_options_ac "$(use ${1} && echo +${1} || echo -${1})" "${flag}"
+}
+
+# This is a straight copypaste from toolchain-funcs.eclass's 'tc-ld-is-lld', and is temporarily
+# placed here until toolchain-funcs.eclass gets an official support for mold linker.
+# Please see:
+# https://github.com/gentoo/gentoo/pull/28366 ||
+# https://github.com/gentoo/gentoo/pull/28355
+tc-ld-is-mold() {
+	local out
+
+	# Ensure ld output is in English.
+	local -x LC_ALL=C
+
+	# First check the linker directly.
+	out=$($(tc-getLD "$@") --version 2>&1)
+	if [[ ${out} == *"mold"* ]] ; then
+		return 0
+	fi
+
+	# Then see if they're selecting mold via compiler flags.
+	# Note: We're assuming they're using LDFLAGS to hold the
+	# options and not CFLAGS/CXXFLAGS.
+	local base="${T}/test-tc-linker"
+	cat <<-EOF > "${base}.c"
+	int main() { return 0; }
+	EOF
+	out=$($(tc-getCC "$@") ${CFLAGS} ${CPPFLAGS} ${LDFLAGS} -Wl,--version "${base}.c" -o "${base}" 2>&1)
+	rm -f "${base}"*
+	if [[ ${out} == *"mold"* ]] ; then
+		return 0
+	fi
+
+	# No mold here!
+	return 1
+}
+
+virtwl() {
+	debug-print-function ${FUNCNAME} "$@"
+
+	[[ $# -lt 1 ]] && die "${FUNCNAME} needs at least one argument"
+	[[ -n $XDG_RUNTIME_DIR ]] || die "${FUNCNAME} needs XDG_RUNTIME_DIR to be set; try xdg_environment_reset"
+	tinywl -h >/dev/null || die 'tinywl -h failed'
+
+	# TODO: don't run addpredict in utility function. WLR_RENDERER=pixman doesn't work
+	addpredict /dev/dri
+	local VIRTWL VIRTWL_PID
+	coproc VIRTWL { WLR_BACKENDS=headless exec tinywl -s 'echo $WAYLAND_DISPLAY; read _; kill $PPID'; }
+	local -x WAYLAND_DISPLAY
+	read WAYLAND_DISPLAY <&${VIRTWL[0]}
+
+	debug-print "${FUNCNAME}: $@"
+	"$@"
+	local r=$?
+
+	[[ -n $VIRTWL_PID ]] || die "tinywl exited unexpectedly"
+	exec {VIRTWL[0]}<&- {VIRTWL[1]}>&-
+	return $r
+}
+
+pkg_pretend() {
+	if [[ ${MERGE_TYPE} != binary ]] ; then
+		if use pgo ; then
+			if ! has usersandbox $FEATURES ; then
+				die "You must enable usersandbox as X server can not run as root!"
+			fi
+		fi
+
+		# Ensure we have enough disk space to compile
+		if use pgo || use lto || use debug ; then
+			CHECKREQS_DISK_BUILD="13500M"
+		else
+			CHECKREQS_DISK_BUILD="6600M"
+		fi
+
+		check-reqs_pkg_pretend
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]] ; then
+		if use pgo ; then
+			if ! has userpriv ${FEATURES} ; then
+				eerror "Building ${PN} with USE=pgo and FEATURES=-userpriv is not supported!"
+			fi
+		fi
+
+		# Ensure we have enough disk space to compile
+		if use pgo || use lto || use debug ; then
+			CHECKREQS_DISK_BUILD="13500M"
+		else
+			CHECKREQS_DISK_BUILD="6400M"
+		fi
+
+		check-reqs_pkg_setup
+
+		llvm_pkg_setup
+
+		if use clang && use lto && tc-ld-is-lld ; then
+			local version_lld=$(ld.lld --version 2>/dev/null | awk '{ print $2 }')
+			[[ -n ${version_lld} ]] && version_lld=$(ver_cut 1 "${version_lld}")
+			[[ -z ${version_lld} ]] && die "Failed to read ld.lld version!"
+
+			local version_llvm_rust=$(rustc -Vv 2>/dev/null | grep -F -- 'LLVM version:' | awk '{ print $3 }')
+			[[ -n ${version_llvm_rust} ]] && version_llvm_rust=$(ver_cut 1 "${version_llvm_rust}")
+			[[ -z ${version_llvm_rust} ]] && die "Failed to read used LLVM version from rustc!"
+
+			if ver_test "${version_lld}" -ne "${version_llvm_rust}" ; then
+				eerror "Rust is using LLVM version ${version_llvm_rust} but ld.lld version belongs to LLVM version ${version_lld}."
+				eerror "You will be unable to link ${CATEGORY}/${PN}. To proceed you have the following options:"
+				eerror "  - Manually switch rust version using 'eselect rust' to match used LLVM version"
+				eerror "  - Switch to dev-lang/rust[system-llvm] which will guarantee matching version"
+				eerror "  - Build ${CATEGORY}/${PN} without USE=lto"
+				eerror "  - Rebuild lld with llvm that was used to build rust (may need to rebuild the whole "
+				eerror "    llvm/clang/lld/rust chain depending on your @world updates)"
+				die "LLVM version used by Rust (${version_llvm_rust}) does not match with ld.lld version (${version_lld})!"
+			fi
+		fi
+
+		python-any-r1_pkg_setup
+
+		# Avoid PGO profiling problems due to enviroment leakage
+		# These should *always* be cleaned up anyway
+		unset \
+			DBUS_SESSION_BUS_ADDRESS \
+			DISPLAY \
+			ORBIT_SOCKETDIR \
+			SESSION_MANAGER \
+			XAUTHORITY \
+			XDG_CACHE_HOME \
+			XDG_SESSION_COOKIE
+
+		# Build system is using /proc/self/oom_score_adj, bug #604394
+		addpredict /proc/self/oom_score_adj
+
+		if use pgo ; then
+			# Update 105.0: "/proc/self/oom_score_adj" isn't enough anymore with pgo, but not sure
+			# whether that's due to better OOM handling by Firefox (bmo#1771712), or portage
+			# (PORTAGE_SCHEDULING_POLICY) update...
+			addpredict /proc
+
+			# May need a wider addpredict when using wayland+pgo.
+			addpredict /dev/dri
+
+			# Allow access to GPU during PGO run
+			local ati_cards mesa_cards nvidia_cards render_cards
+			shopt -s nullglob
+
+			ati_cards=$(echo -n /dev/ati/card* | sed 's/ /:/g')
+			if [[ -n "${ati_cards}" ]] ; then
+				addpredict "${ati_cards}"
+			fi
+
+			mesa_cards=$(echo -n /dev/dri/card* | sed 's/ /:/g')
+			if [[ -n "${mesa_cards}" ]] ; then
+				addpredict "${mesa_cards}"
+			fi
+
+			nvidia_cards=$(echo -n /dev/nvidia* | sed 's/ /:/g')
+			if [[ -n "${nvidia_cards}" ]] ; then
+				addpredict "${nvidia_cards}"
+			fi
+
+			render_cards=$(echo -n /dev/dri/renderD128* | sed 's/ /:/g')
+			if [[ -n "${render_cards}" ]] ; then
+				addpredict "${render_cards}"
+			fi
+
+			shopt -u nullglob
+		fi
+
+		if ! mountpoint -q /dev/shm ; then
+			# If /dev/shm is not available, configure is known to fail with
+			# a traceback report referencing /usr/lib/pythonN.N/multiprocessing/synchronize.py
+			ewarn "/dev/shm is not mounted -- expect build failures!"
+		fi
+
+		# Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
+		# Note: These are for Gentoo Linux use ONLY. For your own distribution, please
+		# get your own set of keys.
+		if [[ -z "${MOZ_API_KEY_GOOGLE+set}" ]] ; then
+			MOZ_API_KEY_GOOGLE="AIzaSyDEAOvatFogGaPi0eTgsV_ZlEzx0ObmepsMzfAc"
+		fi
+
+		if [[ -z "${MOZ_API_KEY_LOCATION+set}" ]] ; then
+			MOZ_API_KEY_LOCATION="AIzaSyB2h2OuRgGaPicUgy5N-5hsZqiPW6sH3n_rptiQ"
+		fi
+
+		# Mozilla API keys (see https://location.services.mozilla.com/api)
+		# Note: These are for Gentoo Linux use ONLY. For your own distribution, please
+		# get your own set of keys.
+		if [[ -z "${MOZ_API_KEY_MOZILLA+set}" ]] ; then
+			MOZ_API_KEY_MOZILLA="edb3d487-3a84-46m0ap1e3-9dfd-92b5efaaa005"
+		fi
+
+		# Ensure we use C locale when building, bug #746215
+		export LC_ALL=C
+	fi
+}
+
+src_unpack() {
+	local _lp_dir="${WORKDIR}/language_packs"
+	local _src_file
+
+	if [[ ! -d "${_lp_dir}" ]] ; then
+		mkdir "${_lp_dir}" || die
+	fi
+
+	for _src_file in ${A} ; do
+		if [[ ${_src_file} == *.xpi ]]; then
+			cp "${DISTDIR}/${_src_file}" "${_lp_dir}" || die "Failed to copy '${_src_file}' to '${_lp_dir}'!"
+		else
+			unpack ${_src_file}
+		fi
+	done
+}
+
+src_prepare() {
+	if use lto; then
+		rm -v "${WORKDIR}"/firefox-patches/*-LTO-Only-enable-LTO-*.patch || die
+	fi
+
+	if ! use ppc64; then
+		rm -v "${WORKDIR}"/firefox-patches/*ppc64*.patch || die
+	fi
+
+	if use x86 && use elibc_glibc ; then
+		rm -v "${WORKDIR}"/firefox-patches/*-musl-non-lfs64-api-on-audio_thread_priority-crate.patch || die
+	fi
+
+	eapply "${WORKDIR}/firefox-patches"
+
+	# Allow user to apply any additional patches without modifing ebuild
+	eapply_user
+
+	# Make cargo respect MAKEOPTS
+	export CARGO_BUILD_JOBS="$(makeopts_jobs)"
+
+	# Make LTO respect MAKEOPTS
+	sed -i \
+		-e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/build/moz.configure/lto-pgo.configure \
+		|| die "sed failed to set num_cores"
+
+	# Make ICU respect MAKEOPTS
+	sed -i \
+		-e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/intl/icu_sources_data.py \
+		|| die "sed failed to set num_cores"
+
+	# sed-in toolchain prefix
+	sed -i \
+		-e "s/objdump/${CHOST}-objdump/" \
+		"${S}"/python/mozbuild/mozbuild/configure/check_debug_ranges.py \
+		|| die "sed failed to set toolchain prefix"
+
+	sed -i \
+		-e 's/ccache_stats = None/return None/' \
+		"${S}"/python/mozbuild/mozbuild/controller/building.py \
+		|| die "sed failed to disable ccache stats call"
+
+	einfo "Removing pre-built binaries ..."
+
+	find "${S}"/third_party -type f \( -name '*.so' -o -name '*.o' \) -print -delete || die
+
+	# Clear cargo checksums from crates we have patched
+	# moz_clear_vendor_checksums crate
+	moz_clear_vendor_checksums audio_thread_priority
+
+	# Create build dir
+	BUILD_DIR="${WORKDIR}/${PN}_build"
+	mkdir -p "${BUILD_DIR}" || die
+
+	# Write API keys to disk
+	echo -n "${MOZ_API_KEY_GOOGLE//gGaPi/}" > "${S}"/api-google.key || die
+	echo -n "${MOZ_API_KEY_LOCATION//gGaPi/}" > "${S}"/api-location.key || die
+	echo -n "${MOZ_API_KEY_MOZILLA//m0ap1/}" > "${S}"/api-mozilla.key || die
+
+	xdg_environment_reset
+}
+
+src_configure() {
+	# Show flags set at the beginning
+	einfo "Current BINDGEN_CFLAGS:\t${BINDGEN_CFLAGS:-no value set}"
+	einfo "Current CFLAGS:\t\t${CFLAGS:-no value set}"
+	einfo "Current CXXFLAGS:\t\t${CXXFLAGS:-no value set}"
+	einfo "Current LDFLAGS:\t\t${LDFLAGS:-no value set}"
+	einfo "Current RUSTFLAGS:\t\t${RUSTFLAGS:-no value set}"
+
+	local have_switched_compiler=
+	if use clang; then
+		# Force clang
+		einfo "Enforcing the use of clang due to USE=clang ..."
+
+		local version_clang=$(clang --version 2>/dev/null | grep -F -- 'clang version' | awk '{ print $3 }')
+		[[ -n ${version_clang} ]] && version_clang=$(ver_cut 1 "${version_clang}")
+		[[ -z ${version_clang} ]] && die "Failed to read clang version!"
+
+		if tc-is-gcc; then
+			have_switched_compiler=yes
+		fi
+		AR=llvm-ar
+		CC=${CHOST}-clang-${version_clang}
+		CXX=${CHOST}-clang++-${version_clang}
+		NM=llvm-nm
+		RANLIB=llvm-ranlib
+	elif ! use clang && ! tc-is-gcc ; then
+		# Force gcc
+		have_switched_compiler=yes
+		einfo "Enforcing the use of gcc due to USE=-clang ..."
+		AR=gcc-ar
+		CC=${CHOST}-gcc
+		CXX=${CHOST}-g++
+		NM=gcc-nm
+		RANLIB=gcc-ranlib
+	fi
+
+	if [[ -n "${have_switched_compiler}" ]] ; then
+		# Because we switched active compiler we have to ensure
+		# that no unsupported flags are set
+		strip-unsupported-flags
+	fi
+
+	# Ensure we use correct toolchain,
+	# AS is used in a non-standard way by upstream, #bmo1654031
+	export HOST_CC="$(tc-getBUILD_CC)"
+	export HOST_CXX="$(tc-getBUILD_CXX)"
+	export AS="$(tc-getCC) -c"
+	tc-export CC CXX LD AR AS NM OBJDUMP RANLIB PKG_CONFIG
+
+	# Pass the correct toolchain paths through cbindgen
+	if tc-is-cross-compiler ; then
+		export BINDGEN_CFLAGS="${SYSROOT:+--sysroot=${ESYSROOT}} --target=${CHOST} ${BINDGEN_CFLAGS-}"
+	fi
+
+	# Set MOZILLA_FIVE_HOME
+	export MOZILLA_FIVE_HOME="/usr/$(get_libdir)/${PN}"
+
+	# python/mach/mach/mixin/process.py fails to detect SHELL
+	export SHELL="${EPREFIX}/bin/bash"
+
+	# Set state path
+	export MOZBUILD_STATE_PATH="${BUILD_DIR}"
+
+	# Set MOZCONFIG
+	export MOZCONFIG="${S}/.mozconfig"
+
+	# Initialize MOZCONFIG
+	mozconfig_add_options_ac '' --enable-application=comm/mail
+	mozconfig_add_options_ac '' --enable-project=comm/mail
+
+	# Set Gentoo defaults
+	mozconfig_add_options_ac 'Gentoo default' \
+		--allow-addon-sideload \
+		--disable-cargo-incremental \
+		--disable-crashreporter \
+		--disable-gpsd \
+		--disable-install-strip \
+		--disable-parental-controls \
+		--disable-strip \
+		--disable-tests \
+		--disable-updater \
+		--disable-wmf \
+		--enable-js-shell \
+		--enable-legacy-profile-creation \
+		--enable-negotiateauth \
+		--enable-new-pass-manager \
+		--enable-official-branding \
+		--enable-release \
+		--enable-system-ffi \
+		--enable-system-pixman \
+		--enable-system-policies \
+		--host="${CBUILD:-${CHOST}}" \
+		--libdir="${EPREFIX}/usr/$(get_libdir)" \
+		--prefix="${EPREFIX}/usr" \
+		--target="${CHOST}" \
+		--without-ccache \
+		--without-wasm-sandboxed-libraries \
+		--with-intl-api \
+		--with-libclang-path="$(llvm-config --libdir)" \
+		--with-system-nspr \
+		--with-system-nss \
+		--with-system-zlib \
+		--with-toolchain-prefix="${CHOST}-" \
+		--with-unsigned-addon-scopes=app,system \
+		--x-includes="${ESYSROOT}/usr/include" \
+		--x-libraries="${ESYSROOT}/usr/$(get_libdir)"
+
+	# Set update channel
+	local update_channel=release
+	[[ -n ${MOZ_ESR} ]] && update_channel=esr
+	mozconfig_add_options_ac '' --update-channel=${update_channel}
+
+	if ! use x86 && [[ ${CHOST} != armv*h* ]] ; then
+		mozconfig_add_options_ac '' --enable-rust-simd
+	fi
+
+	# For future keywording: This is currently (97.0) only supported on:
+	# amd64, arm, arm64 & x86.
+	# Might want to flip the logic around if Firefox is to support more arches.
+	# bug 833001, bug 903411#c8
+	if use ppc64 || use riscv; then
+		mozconfig_add_options_ac '' --disable-sandbox
+	else
+		mozconfig_add_options_ac '' --enable-sandbox
+	fi
+
+	# Enable JIT on riscv64 explicitly
+	# Can be removed once upstream enable it by default in the future.
+	use riscv && mozconfig_add_options_ac 'Enable JIT for RISC-V 64' --enable-jit
+
+	if [[ -s "${S}/api-google.key" ]] ; then
+		local key_origin="Gentoo default"
+		if [[ $(cat "${S}/api-google.key" | md5sum | awk '{ print $1 }') != 709560c02f94b41f9ad2c49207be6c54 ]] ; then
+			key_origin="User value"
+		fi
+
+		mozconfig_add_options_ac "${key_origin}" \
+			--with-google-safebrowsing-api-keyfile="${S}/api-google.key"
+	else
+		einfo "Building without Google API key ..."
+	fi
+
+	if [[ -s "${S}/api-location.key" ]] ; then
+		local key_origin="Gentoo default"
+		if [[ $(cat "${S}/api-location.key" | md5sum | awk '{ print $1 }') != ffb7895e35dedf832eb1c5d420ac7420 ]] ; then
+			key_origin="User value"
+		fi
+
+		mozconfig_add_options_ac "${key_origin}" \
+			--with-google-location-service-api-keyfile="${S}/api-location.key"
+	else
+		einfo "Building without Location API key ..."
+	fi
+
+	if [[ -s "${S}/api-mozilla.key" ]] ; then
+		local key_origin="Gentoo default"
+		if [[ $(cat "${S}/api-mozilla.key" | md5sum | awk '{ print $1 }') != 3927726e9442a8e8fa0e46ccc39caa27 ]] ; then
+			key_origin="User value"
+		fi
+
+		mozconfig_add_options_ac "${key_origin}" \
+			--with-mozilla-api-keyfile="${S}/api-mozilla.key"
+	else
+		einfo "Building without Mozilla API key ..."
+	fi
+
+	mozconfig_use_with system-av1
+	mozconfig_use_with system-harfbuzz
+	mozconfig_use_with system-harfbuzz system-graphite2
+	mozconfig_use_with system-icu
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-libevent
+	mozconfig_use_with system-libvpx
+	mozconfig_use_with system-png
+	mozconfig_use_with system-webp
+
+	if use system-librnp; then
+		mozconfig_add_options_ac "+system-librnp" --enable-compile-environment
+		mozconfig_use_with system-librnp
+	else
+		# This controls the backend of the bundled librnp. Choices are "botan" and "openssl".
+		# RNP Upstream recommends to use botan. In Gentoo it's preferred to use system-librnp.
+		mozconfig_add_options_ac "+bundled librnp backend = botan" --with-librnp-backend="botan"
+	fi
+
+	mozconfig_use_enable dbus
+	mozconfig_use_enable libproxy
+
+	use eme-free && mozconfig_add_options_ac '+eme-free' --disable-eme
+
+	if use hardened ; then
+		mozconfig_add_options_ac "+hardened" --enable-hardening
+		append-ldflags "-Wl,-z,relro -Wl,-z,now"
+	fi
+
+	local myaudiobackends=""
+	use jack && myaudiobackends+="jack,"
+	use sndio && myaudiobackends+="sndio,"
+	use pulseaudio && myaudiobackends+="pulseaudio,"
+	! use pulseaudio && myaudiobackends+="alsa,"
+
+	mozconfig_add_options_ac '--enable-audio-backends' --enable-audio-backends="${myaudiobackends::-1}"
+
+	mozconfig_use_enable wifi necko-wifi
+
+	if use X && use wayland ; then
+		mozconfig_add_options_ac '+x11+wayland' --enable-default-toolkit=cairo-gtk3-x11-wayland
+	elif ! use X && use wayland ; then
+		mozconfig_add_options_ac '+wayland' --enable-default-toolkit=cairo-gtk3-wayland-only
+	else
+		mozconfig_add_options_ac '+x11' --enable-default-toolkit=cairo-gtk3
+	fi
+
+	if use lto ; then
+		if use clang ; then
+			# Upstream only supports lld or mold when using clang.
+			if tc-ld-is-mold ; then
+				mozconfig_add_options_ac "using ld=mold due to system selection" --enable-linker=mold
+			else
+				mozconfig_add_options_ac "forcing ld=lld due to USE=clang and USE=lto" --enable-linker=lld
+			fi
+
+			mozconfig_add_options_ac '+lto' --enable-lto=cross
+
+		else
+			# ThinLTO is currently broken, see bmo#1644409.
+			# mold does not support gcc+lto combination.
+			mozconfig_add_options_ac '+lto' --enable-lto=full
+			mozconfig_add_options_ac "linker is set to bfd" --enable-linker=bfd
+		fi
+
+		if use pgo ; then
+			mozconfig_add_options_ac '+pgo' MOZ_PGO=1
+
+			if use clang ; then
+				# Used in build/pgo/profileserver.py
+				export LLVM_PROFDATA="llvm-profdata"
+			fi
+		fi
+	else
+		# Avoid auto-magic on linker
+		if use clang ; then
+			# lld is upstream's default
+			if tc-ld-is-mold ; then
+				mozconfig_add_options_ac "using ld=mold due to system selection" --enable-linker=mold
+			else
+				mozconfig_add_options_ac "forcing ld=lld due to USE=clang" --enable-linker=lld
+			fi
+
+		else
+			if tc-ld-is-mold ; then
+				mozconfig_add_options_ac "using ld=mold due to system selection" --enable-linker=mold
+			else
+				mozconfig_add_options_ac "linker is set to bfd due to USE=-clang" --enable-linker=bfd
+			fi
+		fi
+	fi
+
+	# LTO flag was handled via configure
+	filter-lto
+
+	mozconfig_use_enable debug
+	if use debug ; then
+		mozconfig_add_options_ac '+debug' --disable-optimize
+		mozconfig_add_options_ac '+debug' --enable-real-time-tracing
+	else
+		mozconfig_add_options_ac 'Gentoo defaults' --disable-real-time-tracing
+
+		if is-flag '-g*' ; then
+			if use clang ; then
+				mozconfig_add_options_ac 'from CFLAGS' --enable-debug-symbols=$(get-flag '-g*')
+			else
+				mozconfig_add_options_ac 'from CFLAGS' --enable-debug-symbols
+			fi
+		else
+			mozconfig_add_options_ac 'Gentoo default' --disable-debug-symbols
+		fi
+
+		if is-flag '-O0' ; then
+			mozconfig_add_options_ac "from CFLAGS" --enable-optimize=-O0
+		elif is-flag '-O4' ; then
+			mozconfig_add_options_ac "from CFLAGS" --enable-optimize=-O4
+		elif is-flag '-O3' ; then
+			mozconfig_add_options_ac "from CFLAGS" --enable-optimize=-O3
+		elif is-flag '-O1' ; then
+			mozconfig_add_options_ac "from CFLAGS" --enable-optimize=-O1
+		elif is-flag '-Os' ; then
+			mozconfig_add_options_ac "from CFLAGS" --enable-optimize=-Os
+		else
+			mozconfig_add_options_ac "Gentoo default" --enable-optimize=-O2
+		fi
+	fi
+
+	# Debug flag was handled via configure
+	filter-flags '-g*'
+
+	# Optimization flag was handled via configure
+	filter-flags '-O*'
+
+	# Modifications to better support ARM, bug #553364
+	if use cpu_flags_arm_neon ; then
+		mozconfig_add_options_ac '+cpu_flags_arm_neon' --with-fpu=neon
+
+		if ! tc-is-clang ; then
+			# thumb options aren't supported when using clang, bug 666966
+			mozconfig_add_options_ac '+cpu_flags_arm_neon' \
+				--with-thumb=yes \
+				--with-thumb-interwork=no
+		fi
+	fi
+
+	if [[ ${CHOST} == armv*h* ]] ; then
+		mozconfig_add_options_ac 'CHOST=armv*h*' --with-float-abi=hard
+
+		if ! use system-libvpx ; then
+			sed -i \
+				-e "s|softfp|hard|" \
+				"${S}"/media/libvpx/moz.build \
+				|| die
+		fi
+	fi
+
+	if use clang ; then
+		# https://bugzilla.mozilla.org/show_bug.cgi?id=1482204
+		# https://bugzilla.mozilla.org/show_bug.cgi?id=1483822
+		# toolkit/moz.configure Elfhack section: target.cpu in ('arm', 'x86', 'x86_64')
+		local disable_elf_hack=
+		if use amd64 ; then
+			disable_elf_hack=yes
+		elif use x86 ; then
+			disable_elf_hack=yes
+		elif use arm ; then
+			disable_elf_hack=yes
+		fi
+
+		if [[ -n ${disable_elf_hack} ]] ; then
+			mozconfig_add_options_ac 'elf-hack is broken when using Clang' --disable-elf-hack
+		fi
+	fi
+
+	if use elibc_musl && use arm64 ; then
+		mozconfig_add_options_ac 'elf-hack is broken when using musl/arm64' --disable-elf-hack
+	fi
+
+	# Additional ARCH support
+	case "${ARCH}" in
+		arm)
+			# Reduce the memory requirements for linking
+			if use clang ; then
+				# Nothing to do
+				:;
+			elif use lto ; then
+				append-ldflags -Wl,--no-keep-memory
+			else
+				append-ldflags -Wl,--no-keep-memory -Wl,--reduce-memory-overheads
+			fi
+			;;
+	esac
+
+	if ! use elibc_glibc; then
+		mozconfig_add_options_ac '!elibc_glibc' --disable-jemalloc
+	fi
+
+	# Allow elfhack to work in combination with unstripped binaries
+	# when they would normally be larger than 2GiB.
+	append-ldflags "-Wl,--compress-debug-sections=zlib"
+
+	# Make revdep-rebuild.sh happy; Also required for musl
+	append-ldflags -Wl,-rpath="${MOZILLA_FIVE_HOME}",--enable-new-dtags
+
+	# Pass $MAKEOPTS to build system
+	export MOZ_MAKE_FLAGS="${MAKEOPTS}"
+
+	# Use system's Python environment
+	export PIP_NETWORK_INSTALL_RESTRICTED_VIRTUALENVS=mach
+
+	if use system-python-libs; then
+		export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE="system"
+	else
+		export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE="none"
+	fi
+
+	# Disable notification when build system has finished
+	export MOZ_NOSPAM=1
+
+	# Portage sets XARGS environment variable to "xargs -r" by default which
+	# breaks build system's check_prog() function which doesn't support arguments
+	mozconfig_add_options_ac 'Gentoo default' "XARGS=${EPREFIX}/usr/bin/xargs"
+
+	# Set build dir
+	mozconfig_add_options_mk 'Gentoo default' "MOZ_OBJDIR=${BUILD_DIR}"
+
+	# Show flags we will use
+	einfo "Build BINDGEN_CFLAGS:\t${BINDGEN_CFLAGS:-no value set}"
+	einfo "Build CFLAGS:\t\t${CFLAGS:-no value set}"
+	einfo "Build CXXFLAGS:\t\t${CXXFLAGS:-no value set}"
+	einfo "Build LDFLAGS:\t\t${LDFLAGS:-no value set}"
+	einfo "Build RUSTFLAGS:\t\t${RUSTFLAGS:-no value set}"
+
+	# Handle EXTRA_CONF and show summary
+	local ac opt hash reason
+
+	# Apply EXTRA_ECONF entries to $MOZCONFIG
+	if [[ -n ${EXTRA_ECONF} ]] ; then
+		IFS=\! read -a ac <<<${EXTRA_ECONF// --/\!}
+		for opt in "${ac[@]}"; do
+			mozconfig_add_options_ac "EXTRA_ECONF" --${opt#--}
+		done
+	fi
+
+	echo
+	echo "=========================================================="
+	echo "Building ${PF} with the following configuration"
+	grep ^ac_add_options "${MOZCONFIG}" | while read ac opt hash reason; do
+		[[ -z ${hash} || ${hash} == \# ]] \
+			|| die "error reading mozconfig: ${ac} ${opt} ${hash} ${reason}"
+		printf "    %-30s  %s\n" "${opt}" "${reason:-mozilla.org default}"
+	done
+	echo "=========================================================="
+	echo
+
+	./mach configure || die
+}
+
+src_compile() {
+	local virtx_cmd=
+
+	if tc-ld-is-mold && use lto; then
+		# increase ulimit with mold+lto, bugs #892641, #907485
+		if ! ulimit -n 16384 1>/dev/null 2>&1 ; then
+			ewarn "Unable to modify ulimits - building with mold+lto might fail due to low ulimit -n resources."
+			ewarn "Please see bugs #892641 & #907485."
+		else
+			ulimit -n 16384
+		fi
+	fi
+
+	if use pgo; then
+		# Reset and cleanup environment variables used by GNOME/XDG
+		gnome2_environment_reset
+
+		addpredict /root
+
+		if ! use X; then
+			virtx_cmd=virtwl
+		else
+			virtx_cmd=virtx
+		fi
+	fi
+
+	if ! use X; then
+		local -x GDK_BACKEND=wayland
+	else
+		local -x GDK_BACKEND=x11
+	fi
+
+	${virtx_cmd} ./mach build --verbose || die
+}
+
+src_install() {
+	# xpcshell is getting called during install
+	pax-mark m \
+		"${BUILD_DIR}"/dist/bin/xpcshell \
+		"${BUILD_DIR}"/dist/bin/${PN} \
+		"${BUILD_DIR}"/dist/bin/plugin-container
+
+	DESTDIR="${D}" ./mach install || die
+
+	# Upstream cannot ship symlink but we can (bmo#658850)
+	rm "${ED}${MOZILLA_FIVE_HOME}/${PN}-bin" || die
+	dosym ${PN} ${MOZILLA_FIVE_HOME}/${PN}-bin
+
+	# Don't install llvm-symbolizer from sys-devel/llvm package
+	if [[ -f "${ED}${MOZILLA_FIVE_HOME}/llvm-symbolizer" ]] ; then
+		rm -v "${ED}${MOZILLA_FIVE_HOME}/llvm-symbolizer" || die
+	fi
+
+	# Install policy (currently only used to disable application updates)
+	insinto "${MOZILLA_FIVE_HOME}/distribution"
+	newins "${FILESDIR}"/distribution.ini distribution.ini
+	newins "${FILESDIR}"/disable-auto-update.policy.json policies.json
+
+	# Install system-wide preferences
+	local PREFS_DIR="${MOZILLA_FIVE_HOME}/defaults/pref"
+	insinto "${PREFS_DIR}"
+	newins "${FILESDIR}"/gentoo-default-prefs.js gentoo-prefs.js
+
+	local GENTOO_PREFS="${ED}${PREFS_DIR}/gentoo-prefs.js"
+
+	# Set dictionary path to use system hunspell
+	cat >>"${GENTOO_PREFS}" <<-EOF || die "failed to set spellchecker.dictionary_path pref"
+	pref("spellchecker.dictionary_path",       "${EPREFIX}/usr/share/myspell");
+	EOF
+
+	# Force hwaccel prefs if USE=hwaccel is enabled
+	if use hwaccel ; then
+		cat "${FILESDIR}"/gentoo-hwaccel-prefs.js \
+		>>"${GENTOO_PREFS}" \
+		|| die "failed to add prefs to force hardware-accelerated rendering to all-gentoo.js"
+
+		if use wayland; then
+			cat >>"${GENTOO_PREFS}" <<-EOF || die "failed to set hwaccel wayland prefs"
+			pref("gfx.x11-egl.force-enabled",          false);
+			EOF
+		else
+			cat >>"${GENTOO_PREFS}" <<-EOF || die "failed to set hwaccel x11 prefs"
+			pref("gfx.x11-egl.force-enabled",          true);
+			EOF
+		fi
+	fi
+
+	# Force the graphite pref if USE=system-harfbuzz is enabled, since the pref cannot disable it
+	if use system-harfbuzz ; then
+		cat >>"${GENTOO_PREFS}" <<-EOF || die "failed to set gfx.font_rendering.graphite.enabled pref"
+		sticky_pref("gfx.font_rendering.graphite.enabled", true);
+		EOF
+	fi
+
+	# Install language packs
+	local langpacks=( $(find "${WORKDIR}/language_packs" -type f -name '*.xpi') )
+	if [[ -n "${langpacks}" ]] ; then
+		moz_install_xpi "${MOZILLA_FIVE_HOME}/distribution/extensions" "${langpacks[@]}"
+	fi
+
+	# Install icons
+	local icon_srcdir="${S}/comm/mail/branding/thunderbird"
+	local icon_symbolic_file="${icon_srcdir}/TB-symbolic.svg"
+
+	insinto /usr/share/icons/hicolor/symbolic/apps
+	newins "${icon_symbolic_file}" ${PN}-symbolic.svg
+
+	local icon size
+	for icon in "${icon_srcdir}"/default*.png ; do
+		size=${icon%.png}
+		size=${size##*/default}
+
+		if [[ ${size} -eq 48 ]] ; then
+			newicon "${icon}" ${PN}.png
+		fi
+
+		newicon -s ${size} "${icon}" ${PN}.png
+	done
+
+	# Install menu
+	local app_name="Mozilla ${MOZ_PN^}"
+	local desktop_file="${FILESDIR}/icon/${PN}-r2.desktop"
+	local desktop_filename="${PN}.desktop"
+	local exec_command="${PN}"
+	local icon="${PN}"
+	local use_wayland="false"
+
+	if use wayland ; then
+		use_wayland="true"
+	fi
+
+	cp "${desktop_file}" "${WORKDIR}/${PN}.desktop-template" || die
+
+	sed -i \
+		-e "s:@NAME@:${app_name}:" \
+		-e "s:@EXEC@:${exec_command}:" \
+		-e "s:@ICON@:${icon}:" \
+		"${WORKDIR}/${PN}.desktop-template" \
+		|| die
+
+	newmenu "${WORKDIR}/${PN}.desktop-template" "${desktop_filename}"
+
+	rm "${WORKDIR}/${PN}.desktop-template" || die
+
+	# Install wrapper script
+	[[ -f "${ED}/usr/bin/${PN}" ]] && rm "${ED}/usr/bin/${PN}"
+	newbin "${FILESDIR}/${PN}-r1.sh" ${PN}
+
+	# Update wrapper
+	sed -i \
+		-e "s:@PREFIX@:${EPREFIX}/usr:" \
+		-e "s:@MOZ_FIVE_HOME@:${MOZILLA_FIVE_HOME}:" \
+		-e "s:@APULSELIB_DIR@:${apulselib}:" \
+		-e "s:@DEFAULT_WAYLAND@:${use_wayland}:" \
+		"${ED}/usr/bin/${PN}" \
+		|| die
+}
+
+pkg_preinst() {
+	xdg_pkg_preinst
+
+	# If the apulse libs are available in MOZILLA_FIVE_HOME then apulse
+	# does not need to be forced into the LD_LIBRARY_PATH
+	if use pulseaudio && has_version ">=media-sound/apulse-0.1.12-r4" ; then
+		einfo "APULSE found; Generating library symlinks for sound support ..."
+		local lib
+		pushd "${ED}${MOZILLA_FIVE_HOME}" &>/dev/null || die
+		for lib in ../apulse/libpulse{.so{,.0},-simple.so{,.0}} ; do
+			# A quickpkg rolled by hand will grab symlinks as part of the package,
+			# so we need to avoid creating them if they already exist.
+			if [[ ! -L ${lib##*/} ]] ; then
+				ln -s "${lib}" ${lib##*/} || die
+			fi
+		done
+		popd &>/dev/null || die
+	fi
+}
+
+pkg_postinst() {
+	xdg_pkg_postinst
+
+	if use pulseaudio && has_version ">=media-sound/apulse-0.1.12-r4" ; then
+		elog "Apulse was detected at merge time on this system and so it will always be"
+		elog "used for sound.  If you wish to use pulseaudio instead please unmerge"
+		elog "media-sound/apulse."
+		elog
+	fi
+
+	local show_doh_information
+	local show_shortcut_information
+
+	if [[ -z "${REPLACING_VERSIONS}" ]] ; then
+		# New install; Tell user that DoH is disabled by default
+		show_doh_information=yes
+		show_shortcut_information=no
+	else
+		local replacing_version
+		for replacing_version in ${REPLACING_VERSIONS} ; do
+			if ver_test "${replacing_version}" -lt 91.0 ; then
+				# Tell user that we no longer install a shortcut
+				# per supported display protocol
+				show_shortcut_information=yes
+			fi
+		done
+	fi
+
+	if [[ -n "${show_doh_information}" ]] ; then
+		elog
+		elog "Note regarding Trusted Recursive Resolver aka DNS-over-HTTPS (DoH):"
+		elog "Due to privacy concerns (encrypting DNS might be a good thing, sending all"
+		elog "DNS traffic to Cloudflare by default is not a good idea and applications"
+		elog "should respect OS configured settings), \"network.trr.mode\" was set to 5"
+		elog "(\"Off by choice\") by default."
+		elog "You can enable DNS-over-HTTPS in ${PN^}'s preferences."
+	fi
+
+	if [[ -n "${show_shortcut_information}" ]] ; then
+		elog
+		elog "Since ${PN}-91.0 we no longer install multiple shortcuts for"
+		elog "each supported display protocol.  Instead we will only install"
+		elog "one generic Mozilla ${PN^} shortcut."
+		elog "If you still want to be able to select between running Mozilla ${PN^}"
+		elog "on X11 or Wayland, you have to re-create these shortcuts on your own."
+	fi
+
+	# bug 835078
+	if use hwaccel && has_version "x11-drivers/xf86-video-nouveau"; then
+		ewarn "You have nouveau drivers installed in your system and 'hwaccel' "
+		ewarn "enabled for Firefox. Nouveau / your GPU might not support the "
+		ewarn "required EGL, so either disable 'hwaccel' or try the workaround "
+		ewarn "explained in https://bugs.gentoo.org/835078#c5 if Firefox crashes."
+	fi
+
+	optfeature_header "Optional programs for extra features:"
+	optfeature "desktop notifications" x11-libs/libnotify
+	optfeature "encrypted chat support" net-libs/libotr
+	optfeature "fallback mouse cursor theme e.g. on WMs" gnome-base/gsettings-desktop-schemas
+}