mail-client/thunderbird: add 128.1.0

 - remove all doh references - they were never relevant in TB,
 - sync all the changes from firefox-esr ebuild.

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

3 files changed, 1297 insertions, 0 deletions

diff --git a/mail-client/thunderbird/Manifest b/mail-client/thunderbird/Manifest
index 424e20256b94..3ef0f31792de 100644
--- a/mail-client/thunderbird/Manifest
+++ b/mail-client/thunderbird/Manifest
@@ -1,4 +1,5 @@
 DIST firefox-115esr-patches-11.tar.xz 49440 BLAKE2B 804f5b7434fdf671361f8efbfa3e63cb8b14fcdea39a444ee04cbb4ff7d7deaea74ede239843c350a857eeacf59a69145e234070baa3b05b6d3e1b5c8835f23c SHA512 5e2c88374f14611a1aee4fa191ceb2e66c1d440c98d6ca9d17747290f01f1a713b71c71cebc37313c089524aa6155bfce08c8931a24b71b28de54913cfccd73c
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 DIST thunderbird-115.13.0-af.xpi 550968 BLAKE2B 447b0c44a688a4c4336d7641393876bdc91a73e4ca67d9cac35c25b9c832edc5e81025dee2daee1a77762401b2b432e6944674ccc3df44226b449858f815bf3e SHA512 ba365e1c3f8ce852774f6a81b563bf3727dad8c96de39e5f834510f6795baaa07da3f062f77855e2f07beb719e5bb2c59e39f5f0dcf76d9772b5694e0db71f5f
 DIST thunderbird-115.13.0-ar.xpi 673662 BLAKE2B 5b6339cbe9267e99495faff82555410c677da70754d6b16790042f2846ff03cf202e213b9e18ef9e0014218003a636cd65ab230715d719b9959551f6e1f7fe52 SHA512 7e38e46bdaa5c3074e24ddb67de08529ed91100b54046052e6d73e087981463bb399e3207e6618c426651d635f95b6b5b2664cc2581c4fa360989bc87fac5d13
 DIST thunderbird-115.13.0-ast.xpi 569918 BLAKE2B e6c31f6487815a49eb5c97aa25eac5c193d046de260011dad0fb13aaf93c0a7566c17a28ae624b99e9d742b433db469702ad7c2eee88d1e5a3766f36b1efbbb2 SHA512 7bff6a66f08c66edaaa287edaf7aa5ff34cd77dd3b9a980e7954cd23793104f3b54fc664f24c10212ed27bac9507b1ad7931efc2569d9384b9202baffa8338e1
@@ -129,3 +130,68 @@ DIST thunderbird-115.14.0-vi.xpi 774809 BLAKE2B fc16ca251941ed6e89b5cbbf8c5fea61
 DIST thunderbird-115.14.0-zh-CN.xpi 775075 BLAKE2B 08be1a16a498404b503c7ea084c585a2c4f99c755b233a8cd3f8c384ce6b4c7768f0f6b03ab77e4688d2241c07f413decaca6b7a38f8113161e2c1303876a5ec SHA512 eb4e1894f408b7d90982a447183c3dbd702c654950c772c3adf6ac90be23655e6d6426210542de70682ba70797c247e6271bc7867fe2a8dc04ba8a63ab0e94c0
 DIST thunderbird-115.14.0-zh-TW.xpi 778882 BLAKE2B 1c17c1d70f42ad4a38497846fdb6296816f5f5bd782aed05ef090b2913170a796e1a54184ac566c3c278ab821dfc9379337f39a1c31f4f98e80833bcbea99189 SHA512 661acf4f1eeb803eabb4c5b8f9cfbbb6bd71eb456860fe23debf0de889d204aba490d545334098c8fd302de29b6adb5f1a75c4bd96e3fbd13f3dceec358a15ad
 DIST thunderbird-115.14.0.source.tar.xz 533296972 BLAKE2B b286062857df12cee6b5aa42f26de7509cd89558a8173cb9e1ffebda2c9bd6ef808bf5034ee2149809e6c427d9c3fdc7f2d37030b0c71aa00d5b8f5381166d14 SHA512 b12e1302d6be94dd88bee6dd069d3fec944bfce95e1afc1d72c14cc188d952fd5a85f0e70575317250701ac89498d876f3384b022957689fabcef61ad7d78c29
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+DIST thunderbird-128.1.0-ja.xpi 818059 BLAKE2B dbf2a499d6f72fc856a352cf7501f8b5bc86c1c81d5a7fd078f00eb33e0ef52e352673dd09165912a3fb1105fe0ef603e61c58018bc043c860544fb703de2cfc SHA512 29b94518eaf999128353a7300d91a93e47bd2fa1205d4f2284fe6d5bdb31464ca02abc154945c2be94129b73cae6961e1836ad566397bdc361b17970c1a7e151
+DIST thunderbird-128.1.0-ka.xpi 795720 BLAKE2B 97d00c3840046404b123bce0c83a1a610a13c306453fd9b271a1c9daeaed5538a75ffa914a4184de4e98ef111ec27e01525b428433711ab84396232e60dc1eac SHA512 61f13f9ac01b413f6188a3e6ddb16e9a1ed3e54cd9a469aa03611bf5062415c47652072c29c5553e18d0cc32c6efd935b4480089ad2fd0e4b44a71215f073064
+DIST thunderbird-128.1.0-kab.xpi 731531 BLAKE2B 0e366862f2e0e32952b655a736b3c3049102ab01fe7e2132131a4852af3a36f68797aca2c802db831caf23beafbc8071b45fa51f2c6f63283b21607d19d01237 SHA512 3012446290bca68eb9f66b2cf0bc14bdabe6ac7dde5c8e24938996813063f141831f24f053d22b30cd93e0aab2d13ebc6d400ad8d4aa1f4ee78c03ffb2067cce
+DIST thunderbird-128.1.0-kk.xpi 854777 BLAKE2B 53804b73786a7af6981c78107c7910c9819fb4446bbd6ac7c7804c72f8d40f5b8786d6fe3f7b9483d8d127ac8458054c3d521557eab89da5bcd9ba824c60038a SHA512 d6ada776f7fbed2a31e3bd7cde6be0ccc8b174812ae9cd9fb9dffedc3f918dfcc49447384ff5e84fce8503f7069e66f05cefba9cd3f7f73334849d7318563608
+DIST thunderbird-128.1.0-ko.xpi 753028 BLAKE2B b3d938e06da60374d8c27068259a7ae1dabaedbf82f2491450c6aeebfbc16553f424669ffc9963bfb51717ef62428b5d00e8d4e91cd6252333e19b56f58e8f13 SHA512 1bb6c218a9cc35d0520a14523e74bbb1ca97d318826e655110d44b74be15fccf94016a4549401e8cdd3bb33daf9ebe9dfc313ab13d71e28c3baef511244140fb
+DIST thunderbird-128.1.0-lt.xpi 700593 BLAKE2B e1da4886611face5e07837328aeb47898c4d579d07278fc161fe9c1c7c9c5027d8e6f062262f5dac7cc359ca51fc8f7fd5f871bf1d4c14b2bc09a8a6c8a9d827 SHA512 cea2b8762514d45517dae62c7a08c5e5a04ed4389c41181294942751a082ae307200d9973c5e04e92c4aa2d203da13df17bc75333ba63994f25fc9cd3f0d3602
+DIST thunderbird-128.1.0-lv.xpi 621076 BLAKE2B 8086c6a47c6b7d637c6763fde202e954e618bab8674e2cd39048e87ff2b1a97980af12fa87406adb32052b0e4bb284ab6693f5193dab01831056540c6c11964b SHA512 4872321fdaf659df69f7f5eded5e19744e9a30e3862282e421a65f2ac028c2fb1ea6588d8f7495176553e59f28b6199f2d0b52ad58076c76d732de5ffe3dc65f
+DIST thunderbird-128.1.0-ms.xpi 580756 BLAKE2B 21005051c69b20b89885b8229ca6ad35fb141a913455c4531bfcdee07775831b2b6f03c77ad9ba46ec1c13cd815556b7ee88ba863e249377078f47432dd18af7 SHA512 4f2d4be2a2322d887c6bc0e5aa0ec93f53be584911a9500fee0be370fee3d27d38154418a150c0862c06b31a29cce53659a607100fed61b6c40e837c29e84757
+DIST thunderbird-128.1.0-nb-NO.xpi 702089 BLAKE2B b059b699c82f204c9d1ae64da8f64e994175cdf71ffce1d0c3c0df7fc60e57b3a27a540ebb5f8d79302df77bd90cb790bf260f360a721ce4f87cce4d16edac2e SHA512 843e8e80219937453e02770b49d719c541e85b96d41c8006bace0835b32d641030eea9f164091059712f5f34c9cfff39fb7e22a4cef2604c83c056b33bba71dc
+DIST thunderbird-128.1.0-nl.xpi 741945 BLAKE2B dd6fd487d889b5cf8de5e71bfcfac2f96618b7a31f40fc9339a803ea5f77a47092c3589a03182220aa520b22b962952d8ed18ec041a58e4e13a0ae25636e7e09 SHA512 122438cc88862b51a09b12b6a06498ba55c62c6e42732bcd9d7a091d47394f5b51640ae0bf624a61c1a16cee0bdcb30cd73b209ba9d0e9248b29b1e606127914
+DIST thunderbird-128.1.0-nn-NO.xpi 721389 BLAKE2B b8fe95b284ff3cf3144638d6ae321485ece49d3d9f1a9e2997431ba78da06302055d63848be12a91e357cc7e93fb20873c955b85d9ac4830291246451097e840 SHA512 22992ab7d7cb8475bd19c979dd7ae783517178430d6640e6908971dfa58d3865aa4bbcedf4771f598088f38106bc7fd07dd90c9e804fa8764d1d72a66c309fd4
+DIST thunderbird-128.1.0-pa-IN.xpi 681221 BLAKE2B ca892e4e3bb05b9fa715b674c45247078737d5e0c26086ac3277dab9ca16d5627eeb8ef97c5e8e9df7809019b9c45fc8fb4e0550283695c9bb658cd6f3b408f7 SHA512 90f71eb7593aa118b332dcd6ccc7fe429656d7b4d99934151e1780a80b1e091e5bb8590e9d27ed402d40afa8230fd86f18b6c968d456bb4a1c2f7331555fbdc1
+DIST thunderbird-128.1.0-pl.xpi 760886 BLAKE2B 65f07d12c5c02b0aa6755f10aa094b2ef469dc22206e438923b362904f2b9f11d7ae80c8c543dbb1b0dcd20753d6a20827bdfb39bc3140c9b89f1f8e07e7be0c SHA512 2217f1184de0df3dc8a45cd29166afdb48c63ea9ce7a7d32b5e82051c165fa3e56fedacb2fffcc2bac180ba8d918eafa5470bbf7bc8f6135047b5c038c90fa12
+DIST thunderbird-128.1.0-pt-BR.xpi 749077 BLAKE2B 20305205b57dc8c9e11dacfe45efdd28337588467c9b9ce6c744fd23361db6bfad6d9201745c89290d54e7d360f98ae5e7b724ede296795fc6638217e7595215 SHA512 8cb8b95f11aa01abd83d15d282c8f1c380d56c58b78c42eeff6f95dd005eacdeb6882823022533b61d3a24f41bbb4f7c8ba89d12e9626da5a6af7f37baaf134b
+DIST thunderbird-128.1.0-pt-PT.xpi 744905 BLAKE2B 92554593128a9854943d0f71e9e21ba9c20b025af226db4c52de6d6047d55e1dc3393e7bf480e15f611c876ec630e34d29af11d0a6f196fdd5cc28721add0d2d SHA512 74709c3a1db8c1bf9ae1c856d82e96a56652ea7e0b0efa5cdd9d614e229947e71c71552f85c59040dc7b4bd147be9ee92cf5199d75b2ba855033951cc06aeec6
+DIST thunderbird-128.1.0-rm.xpi 746019 BLAKE2B 30ef13abbcd6a03e24e46f668457dbe88db572e5717ee8bb0a21dbf64beb8e4fcea74f7440a880d6a117117ab69894d8e11c14d9653cbd3f3b913a7bfe7ca3f4 SHA512 af0bbb84a7a64285cfb92b75d922135ccb05fc6ec31baa8009cf114c1bcdae1ba2262ce8686906003f8eefb30df452a15dd7bcc129a4ffc903a5d494b961f3fc
+DIST thunderbird-128.1.0-ro.xpi 669415 BLAKE2B e2661774cf4897573d15ae9278ae309a5dc2a15a45b2ae95064173cfa257846beacb9c2729ede9bb72b937dd3ef8244ab9ba24b8eee61dd4901737e5eca2006f SHA512 c177f4144d18be994bac066eaac21c3a3922dd35bd9f9e53028717d537e53e80fe86b753cb80e570415118fc47cbb8bc67e0688720994a6075f88f1a91ef1f68
+DIST thunderbird-128.1.0-ru.xpi 869727 BLAKE2B 5ebdb26c6fd70dd9f3caa5eb4e79b6999f656f61d37ffc8bcf695c7bdc6b91a97859741d2cae5737249b355b3105a6288563b02d6eee7e1f8bebfac8b6a8ace0 SHA512 cc58326e95a5f8f631aa208a8776674db4b10858d7013fbfe71923896228f191f7024d349fdd4b95c8da1e1b30fa7d526eba1cf8dad6c7775939918e1068ec3a
+DIST thunderbird-128.1.0-sk.xpi 781707 BLAKE2B 7656c087652f0973d350e2a819c7636888b0284ccdcf6ceff445a280e27819adac98f58f24b3c89c322d58af355b4409269fccd10e3e642e6e6ae4f88cc0600c SHA512 477be6f98276673a9080333641e694ed7f2db2a31aafcac4602c956320983f18684442174e5d38cecdddf9932e191e944a560bdf640aa00d4a5eca69f0f5523c
+DIST thunderbird-128.1.0-sl.xpi 742773 BLAKE2B 9cc95282384dfccfdd29e11c0d8daab8e8bbf6c5cda5cf203bd935a73cc057e654e62f5f0685b12a2ba5b6b3f9841f10a046130d5065045d04f81c427ba5e0d4 SHA512 88f08d50b2f0b5017224c5095baefab3ae53a7fb43aa8342467d6181831dbc6fb5954e2381b5ad77f95d4277697ee52d6870257740ce8a8862184df863054bd2
+DIST thunderbird-128.1.0-sq.xpi 765336 BLAKE2B c94623e026f5b3a9502cb58e331794c55905e127df1d8644eca558daa52846b7c9d2c44c66e823a49c172617d67142bdb44315c6e2f0b17132f7ebd97e17bc45 SHA512 ad175048442c9cc247e77b26b42086fc53aedca896c75eb100a68cd91726efa793a99d656c00a62e7018c077e8873c5aa9110326fdf9694a1e3be592be955386
+DIST thunderbird-128.1.0-sr.xpi 770680 BLAKE2B a79ae5298d0fff9cad921a6663972a17f6c14b5b1123faa70bfa79e1895bf66623f21677438a381203ee5ec0477b6028fe455565e414bd9adddab12dfaca167c SHA512 eea635139bff898ecb66fc1b6b21980da372c14c4b91c00623305d85b20dfc3c9e7bb71569e2ffb32f274fc1b690fc4de549df3a9039bdf816d3061301f99763
+DIST thunderbird-128.1.0-sv-SE.xpi 745369 BLAKE2B 4bb35909a2fc1b651ecfed309171e4bd73b29a75d28783ba75862ca397ba4f634bd7ca206632d081a26888dd12840f8bf4d1cd3d10cd83ea557c72ec2f2c1bc1 SHA512 16bff9bf69419b30071765e4a6b6a666e854d2042410a290bb3cf69e32c2d88293cc7330757b0ba2a6ba4f6553e0e7196bda9fecb2e3a4473c9c5f81d3078076
+DIST thunderbird-128.1.0-th.xpi 810985 BLAKE2B dbe0a6801df6d406327377f493f04ea8c62a135db98b71681d3edde1c01431b0b3848b1fd03db8de5a55d3619d9b02b0ed1748cda2e85d0d109f1eac2d643a98 SHA512 61cc4b9823cf7da275d2d1b2d8cdf013f85b2a507f22c94c395abec1f052f2483da449ae3b9cd3b1bdc1312f17d58c88204f6d0fbfa56121a279aa8b48675a16
+DIST thunderbird-128.1.0-tr.xpi 755927 BLAKE2B 29ddd5bd5979e79531612fe3704afa2f5443d22cd8bf79e0c125fac1316f53f1b46c61de99b6aa792059bfaf8313a04af72ce96905e46dc0d56ace6aeea704b3 SHA512 b205d12a9bba26eef874fc1dcb50411da93ce80e6afaab1ff5b26998218ae2c2224b7524757b87551633fcd73d07692efc5aa8bcfac65cee0575bc3a0d9e0d11
+DIST thunderbird-128.1.0-uk.xpi 855730 BLAKE2B ad8c4cc442b6a733a0cadcb1eefa52a36fa7b393a9a7daafa44563bba1aba5912c33c140f7899578d3cf7bcd10b6af1482953952ece3c84e74335a8c625b1adb SHA512 b1ed242e48cf50b9cc902508eaee367e6192fe7347ecbffb0740ea8482433cf67f77eb8ef3c7f50e079f0aafec0c0f60d118b71e18e69ed6416ce643b5c46ad1
+DIST thunderbird-128.1.0-uz.xpi 591808 BLAKE2B eec16355be449ee03382f1d0aceb13ae4eced62c1c26a4cdda38ff92fcdae537064b8b8bf56f84cca415bacefc64ce370cf2fc2ed64d7c420d6c2d65f6c09579 SHA512 f91c09250fbe29e6eb5271da72c6affbbcc1c0680616a5a6b4e175ab247157908307c6d85f200ae8afcea0bb2495d16f950045a393b668516d41c6ae32671125
+DIST thunderbird-128.1.0-vi.xpi 784659 BLAKE2B a5452b16ff2c77537db81fc43b06969706ea5bbc0dc9ef2815923936d86e36f69ebfffad039c44e8fd1ab1ee29fb7e088f08193a634af8a53c7e3efda54cd3f5 SHA512 25c8fc8b8428d49e1e5e97231c00e4c1a864a8883c6f96f74b74e07d09a8448b90289767a2968fe58636db30e92af8e8f874ff431b97562261f0a855d3e3cd3a
+DIST thunderbird-128.1.0-zh-CN.xpi 784195 BLAKE2B 8431470bf86b0ae14013c46fcf52335a1f18240a8c27d52f2d3b2532d6cde2d75ebefc1b25f8dce4cde0ee95d6d92229c57b6dd82551fcc31f5a557f4e3c48ca SHA512 fcc3247cd35392d05a2bb7c6274152a5724e8a96180c652c5978182f24ae19b63e99db9285687fdbaaf609bf03f2eb014891f218bdf6bc4721e4be86b6602af8
+DIST thunderbird-128.1.0-zh-TW.xpi 787478 BLAKE2B 808f24ea4c0be1ea3d66b1cc10c887b201563a2a0e011529d4ae4b2da63ed3d43a7c27016a989fab67ac819ad685c6c4089988946afa821ab85850d9843be49e SHA512 fac29119ac494ef69432a79328c507ab3e64a7e94efe504e5d9db24c01d6701616c90eaad2f446e1099f954a465f91eb408b82e7972bf7e99c4fba74d3612352
+DIST thunderbird-128.1.0esr.source.tar.xz 677372864 BLAKE2B 43afab70674010ebc0839eacb513d031cb36b7c2dd7bdbe3d1096b9b16ab82e36c6d45b638e37b7fa6b6c88b1ab737110512ee17aa0df2f5c827d11ee47d2fcb SHA512 cda64afee45ae20a627116f9475cc4421262db40a7efa09eeafcb6e96f8fad97e8c96e2ecf04466ac4bce99fcebe0c3ce9953fa3fc4f5a92ab6f60e122f58c9a
diff --git a/mail-client/thunderbird/files/gentoo-default-prefs-r1.js b/mail-client/thunderbird/files/gentoo-default-prefs-r1.js
new file mode 100644
index 000000000000..4b7eea46ffb9
--- /dev/null
+++ b/mail-client/thunderbird/files/gentoo-default-prefs-r1.js
@@ -0,0 +1,5 @@
+pref("general.smoothScroll",               true);
+pref("general.autoScroll",                 false);
+pref("general.useragent.locale",           "chrome://global/locale/intl.properties");
+pref("mail.shell.checkDefaultClient",      false);
+pref("intl.locale.requested",              "");
diff --git a/mail-client/thunderbird/thunderbird-128.1.0.ebuild b/mail-client/thunderbird/thunderbird-128.1.0.ebuild
new file mode 100644
index 000000000000..419019d51610
--- /dev/null
+++ b/mail-client/thunderbird/thunderbird-128.1.0.ebuild
@@ -0,0 +1,1226 @@
+# Copyright 1999-2024 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+FIREFOX_PATCHSET="firefox-128esr-patches-01.tar.xz"
+
+LLVM_COMPAT=( 17 18 )
+
+PYTHON_COMPAT=( python3_{10..12} )
+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}-${MOZ_PV_DISTFILES}"
+
+inherit autotools check-reqs desktop flag-o-matic gnome2-utils linux-info llvm-r1 multiprocessing \
+	optfeature pax-utils python-any-r1 toolchain-funcs virtualx xdg
+
+MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/releases/${MOZ_PV}esr"
+
+if [[ ${PV} == *_rc* ]] ; then
+	MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${MOZ_PN}/candidates/${MOZ_PV}esr-candidates/build${PV##*_rc}"
+fi
+
+PATCH_URIS=(
+	https://dev.gentoo.org/~juippis/mozilla/patchsets/${FIREFOX_PATCHSET}
+)
+
+SRC_URI="${MOZ_SRC_BASE_URI}/source/${MOZ_P}esr.source.tar.xz -> ${MOZ_P_DISTFILES}esr.source.tar.xz
+	${PATCH_URIS[@]}"
+
+DESCRIPTION="Thunderbird Mail Client"
+HOMEPAGE="https://www.thunderbird.net/"
+
+KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+
+SLOT="0"
+LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
+
+IUSE="+clang dbus debug eme-free hardened hwaccel jack libproxy lto +openh264 pgo pulseaudio sndio"
+IUSE+=" selinux +system-av1 +system-harfbuzz +system-icu +system-jpeg +system-libevent"
+IUSE+=" +system-libvpx system-png +system-webp wayland wifi +X"
+
+# Thunderbird-only USE flags.
+IUSE+=" +system-librnp"
+
+REQUIRED_USE="|| ( X wayland )
+	debug? ( !system-av1 )
+	pgo? ( lto )
+	wayland? ( dbus )
+	wifi? ( dbus )"
+
+TB_ONLY_DEPEND="selinux? ( sec-policy/selinux-thunderbird )
+	!system-librnp? ( dev-libs/jsoncpp )
+	system-librnp? ( >=dev-util/librnp-0.17.1 )"
+BDEPEND="${PYTHON_DEPS}
+	$(llvm_gen_dep '
+		sys-devel/clang:${LLVM_SLOT}
+		sys-devel/llvm:${LLVM_SLOT}
+		clang? (
+			sys-devel/lld:${LLVM_SLOT}
+			virtual/rust:0/llvm-${LLVM_SLOT}
+			pgo? ( sys-libs/compiler-rt-sanitizers:${LLVM_SLOT}[profile] )
+		)
+	')
+	app-alternatives/awk
+	app-arch/unzip
+	app-arch/zip
+	>=dev-util/cbindgen-0.26.0
+	net-libs/nodejs
+	virtual/pkgconfig
+	!clang? ( >=virtual/rust-1.76 )
+	!elibc_glibc? ( dev-lang/rust )
+	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
+		)
+		!X? (
+			|| (
+				gui-wm/tinywl
+				<gui-libs/wlroots-0.17.3[tinywl(-)]
+			)
+			x11-misc/xkeyboard-config
+		)
+	)"
+COMMON_DEPEND="${TB_ONLY_DEPEND}
+	>=app-accessibility/at-spi2-core-2.46.0:2
+	dev-libs/expat
+	dev-libs/glib:2
+	dev-libs/libffi:=
+	>=dev-libs/nss-3.101
+	>=dev-libs/nspr-4.35
+	media-libs/alsa-lib
+	media-libs/fontconfig
+	media-libs/freetype
+	media-libs/mesa
+	media-video/ffmpeg
+	sys-libs/zlib
+	virtual/freedesktop-icon-theme
+	x11-libs/cairo
+	x11-libs/gdk-pixbuf:2
+	x11-libs/pango
+	x11-libs/pixman
+	dbus? ( sys-apps/dbus )
+	jack? ( virtual/jack )
+	pulseaudio? (
+		|| (
+			media-libs/libpulse
+			>=media-sound/apulse-0.1.12-r4[sdk]
+		)
+	)
+	libproxy? ( net-libs/libproxy )
+	selinux? ( sec-policy/selinux-mozilla )
+	sndio? ( >=media-sound/sndio-1.8.0-r1 )
+	system-av1? (
+		>=media-libs/dav1d-1.0.0:=
+		>=media-libs/libaom-1.0.0:=
+	)
+	system-harfbuzz? (
+		>=media-gfx/graphite2-1.3.13
+		>=media-libs/harfbuzz-2.8.1:0=
+	)
+	system-icu? ( >=dev-libs/icu-74.1:= )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1:= )
+	system-libevent? ( >=dev-libs/libevent-2.1.12:0=[threads(+)] )
+	system-libvpx? ( >=media-libs/libvpx-1.8.2:0=[postproc] )
+	system-png? ( >=media-libs/libpng-1.6.35:0=[apng] )
+	system-webp? ( >=media-libs/libwebp-1.1.0:0= )
+	wayland? (
+		>=media-libs/libepoxy-1.5.10-r1
+		x11-libs/gtk+:3[wayland]
+	)
+	wifi? (
+		kernel_linux? (
+			net-misc/networkmanager
+			sys-apps/dbus
+		)
+	)
+	X? (
+		virtual/opengl
+		x11-libs/cairo[X]
+		x11-libs/gtk+:3[X]
+		x11-libs/libX11
+		x11-libs/libXcomposite
+		x11-libs/libXdamage
+		x11-libs/libXext
+		x11-libs/libXfixes
+		x11-libs/libXrandr
+		x11-libs/libxcb:=
+	)"
+RDEPEND="${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!" >&2
+				einfo "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'
+
+	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 ${PN} with USE=pgo and FEATURES=-userpriv is not supported!"
+			fi
+		fi
+
+		# Ensure we have enough disk space to compile
+		if use pgo || use lto || use debug ; then
+			CHECKREQS_DISK_BUILD="13500M"
+		else
+			CHECKREQS_DISK_BUILD="6400M"
+		fi
+
+		check-reqs_pkg_setup
+
+		llvm-r1_pkg_setup
+
+		if use clang && use lto && tc-ld-is-lld ; then
+			local version_lld=$(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
+
+			# Clear tons of conditions, since PGO is hardware-dependant.
+			addpredict /dev
+		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
+
+	# Workaround for bgo#917599
+	if has_version ">=dev-libs/icu-74.1" && use system-icu ; then
+		eapply "${WORKDIR}"/firefox-patches/*-bmo-1862601-system-icu-74.patch
+	fi
+	rm -v "${WORKDIR}"/firefox-patches/*-bmo-1862601-system-icu-74.patch || die
+
+	# Workaround for bgo#915651 on musl
+	if use elibc_glibc ; then
+		rm -v "${WORKDIR}"/firefox-patches/*bgo-748849-RUST_TARGET_override.patch || die
+	fi
+
+	eapply "${WORKDIR}/firefox-patches"
+
+	# Allow user to apply any additional patches without modifing ebuild
+	eapply_user
+
+	# Make cargo respect MAKEOPTS
+	export CARGO_BUILD_JOBS="$(makeopts_jobs)"
+
+	# Workaround for bgo#915651
+	if ! use elibc_glibc ; then
+		if use amd64 ; then
+			export RUST_TARGET="x86_64-unknown-linux-musl"
+		elif use x86 ; then
+			export RUST_TARGET="i686-unknown-linux-musl"
+		else
+			die "Unknown musl chost, please post your rustc -vV along with emerge --info on Gentoo's bug #915651"
+		fi
+	fi
+
+	# Make LTO respect MAKEOPTS
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/build/moz.configure/lto-pgo.configure || die "Failed sedding multiprocessing.cpu_count"
+
+	# Make ICU respect MAKEOPTS
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/intl/icu_sources_data.py || die "Failed sedding multiprocessing.cpu_count"
+
+	# Respect MAKEOPTS all around (maybe some find+sed is better)
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/python/mozbuild/mozbuild/base.py || die "Failed sedding multiprocessing.cpu_count"
+
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/third_party/libwebrtc/build/toolchain/get_cpu_count.py || die "Failed sedding multiprocessing.cpu_count"
+
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/third_party/libwebrtc/build/toolchain/get_concurrent_links.py ||
+			die "Failed sedding multiprocessing.cpu_count"
+
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/third_party/python/gyp/pylib/gyp/input.py || die "Failed sedding multiprocessing.cpu_count"
+
+	sed -i -e "s/multiprocessing.cpu_count()/$(makeopts_jobs)/" \
+		"${S}"/python/mozbuild/mozbuild/code_analysis/mach_commands.py || die "Failed sedding multiprocessing.cpu_count"
+
+	# sed-in toolchain prefix
+	sed -i \
+		-e "s/objdump/${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 checksums from cargo crates we've manually patched.
+	# moz_clear_vendor_checksums xyz
+
+	# 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="$(tc-getCC) -c"
+
+	# Configuration tests expect llvm-readelf output, bug 913130
+	READELF="llvm-readelf"
+
+	tc-export CC CXX LD AR AS NM OBJDUMP RANLIB READELF PKG_CONFIG
+
+	# Pass the correct toolchain paths through cbindgen
+	if tc-is-cross-compiler ; then
+		export BINDGEN_CFLAGS="${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-disk-remnant-avoidance \
+		--disable-geckodriver \
+		--disable-gpsd \
+		--disable-install-strip \
+		--disable-legacy-profile-creation \
+		--disable-parental-controls \
+		--disable-strip \
+		--disable-tests \
+		--disable-updater \
+		--disable-valgrind \
+		--disable-wmf \
+		--enable-js-shell \
+		--enable-negotiateauth \
+		--enable-new-pass-manager \
+		--enable-official-branding \
+		--enable-release \
+		--enable-system-ffi \
+		--enable-system-pixman \
+		--enable-system-policies \
+		--enable-thunderbird-rust \
+		--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 ; 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="${S}/api-mozilla.key"
+	else
+		einfo "Building without Mozilla API key ..."
+	fi
+
+	mozconfig_use_with system-av1
+	mozconfig_use_with system-harfbuzz
+	mozconfig_use_with system-harfbuzz system-graphite2
+	mozconfig_use_with system-icu
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-libevent
+	mozconfig_use_with system-libvpx
+	mozconfig_use_with system-png
+	mozconfig_use_with system-webp
+
+	if use system-librnp; then
+		mozconfig_add_options_ac "+system-librnp" --enable-compile-environment
+		mozconfig_use_with system-librnp
+	else
+		# This controls the backend of the bundled librnp. Choices are "botan" and "openssl".
+		# RNP Upstream recommends to use botan. In Gentoo it's preferred to use system-librnp.
+		mozconfig_add_options_ac "+bundled librnp backend = botan" --with-librnp-backend="botan"
+	fi
+
+	mozconfig_use_enable dbus
+	mozconfig_use_enable libproxy
+
+	use eme-free && mozconfig_add_options_ac '+eme-free' --disable-eme
+
+	if use hardened ; then
+		mozconfig_add_options_ac "+hardened" --enable-hardening
+		append-ldflags "-Wl,-z,relro -Wl,-z,now"
+
+		# Increase the FORTIFY_SOURCE value, #910071.
+		sed -i -e '/-D_FORTIFY_SOURCE=/s:2:3:' "${S}"/build/moz.configure/toolchain.configure || die
+	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-x11-only
+	fi
+
+	# LTO is handled via configure
+	filter-lto
+
+	if use lto ; then
+		if use clang ; then
+			# Upstream only supports lld or mold when using clang.
+			if tc-ld-is-mold ; then
+				# mold expects the -flto line from *FLAGS configuration, bgo#923119
+				append-ldflags "-flto=thin"
+				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
+
+	mozconfig_use_enable debug
+	if use debug ; then
+		mozconfig_add_options_ac '+debug' --disable-optimize
+		mozconfig_add_options_ac '+debug' --enable-jemalloc
+		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*'
+
+	# elf-hack
+	# Filter "-z,pack-relative-relocs" and let the build system handle it instead.
+	if use amd64 || use x86 ; then
+		filter-flags "-z,pack-relative-relocs"
+
+		if tc-ld-is-mold ; then
+			# relr-elf-hack is currently broken with mold, bgo#916259
+			mozconfig_add_options_ac 'disable elf-hack with mold linker' --disable-elf-hack
+		else
+			mozconfig_add_options_ac 'relr elf-hack' --enable-elf-hack=relr
+		fi
+	elif use ppc64 || use riscv ; then
+		# '--disable-elf-hack' is not recognized on ppc64/riscv,
+		# see bgo #917049, #930046
+		:;
+	else
+		mozconfig_add_options_ac 'disable elf-hack on non-supported arches' --disable-elf-hack
+	fi
+
+	if ! use elibc_glibc; then
+		mozconfig_add_options_ac '!elibc_glibc' --disable-jemalloc
+	fi
+
+	# System-av1 fix
+	use system-av1 && append-ldflags "-Wl,--undefined-version"
+
+	# 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
+
+	export MACH_BUILD_PYTHON_NATIVE_PACKAGE_SOURCE="none"
+
+	# 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-r1.js gentoo-prefs.js
+
+	local GENTOO_PREFS="${ED}${PREFS_DIR}/gentoo-prefs.js"
+
+	# 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
+
+	# 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 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
+
+	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
+}