mail-client/thunderbird: bump to v91.3.0

Package-Manager: Portage-3.0.28, Repoman-3.0.3
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>

4 files changed, 1296 insertions, 0 deletions

diff --git a/mail-client/thunderbird/Manifest b/mail-client/thunderbird/Manifest
index 6e56a2b98b09..a69ffbcf45cf 100644
--- a/mail-client/thunderbird/Manifest
+++ b/mail-client/thunderbird/Manifest
@@ -1,5 +1,6 @@
 DIST firefox-78esr-patches-16.tar.xz 55964 BLAKE2B 79d3a465c69656bb55ee7c1e9060606464b6404435b92f534db275521ac2343e045feae1fff6166fde9e2599a82cd982b0b2395271b1033f0f784e745e2c6965 SHA512 3aa971c726646cbf37a14a0dba6c4ac966b88db655cd8b730c5572543bfbf682991ee7c139889541e4f6936c13f27233dc1837fbdb9ee340b33ebb2cec59b01f
 DIST firefox-78esr-patches-19.tar.xz 88424 BLAKE2B fdc7bf8f28b3e799551a70f1cec7a695f52c4712f3b28733648fcd7dac5a599613f4c3d2cfa169266dc62b65619b7f28c0e06d32317adb8ec0056ca79c87e9f6 SHA512 3c81dadc9bf74207c4e361605127ef6141d77700c5c54f1f9cd5ad3be13df9f73c6eec2f51d779558e4bdad1e7395c6aa8943a93415bd1786d461042bc03550a
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 DIST thunderbird-78.13.0-af.xpi 548343 BLAKE2B 06beb7e934e29e09145fce1b30c249d79f6e9f40c8fc309b5033aeae664dcb9dde107f42ae5ac0d2d3e46487be30a22b3541ca87e03f37699bd8d352254e565e SHA512 30f699ccd68cd577b691439a3769ecb6eadda84352cac52d27364527a61d77f9584ce225ab871bf0ca76ece6e65fe939021b09c4adaee8e09f8635d326cb4d96
 DIST thunderbird-78.13.0-ar.xpi 648617 BLAKE2B 78542fdc6c1c5f803fff4881cb87911560b8be5e350cb5232b573860af76f689a8e60aea674054bf614ac95d8ca75b8b994b25b7b11689d8f82449f0b124569d SHA512 678c1162243aec8e33a0fe09325f2856dcf2ba447e91a5283aa766c65285e95e7dc66e609a6b5bba9129cac393f09fa7083fb7c39b2d7604216155d9f03c2e56
 DIST thunderbird-78.13.0-ast.xpi 561258 BLAKE2B 88ce63137775dc96a410e86323305ee0719d1dde716dc6a74e1314b9502d3d25a0ce92b9bb8194a37ecb06445b063024e3f540e547dd56b660fb732f91505b96 SHA512 84f42514f68228cff173a0fed9b7a54859a716b8bc53ea657241fa9e28f16161230c14c4b32e0c5208386ff47716244837130f2785f7eba3e1845a87b5904dc1
@@ -130,3 +131,67 @@ DIST thunderbird-78.14.0-vi.xpi 674612 BLAKE2B 7c2a212ab5233b307079dbe418f61af45
 DIST thunderbird-78.14.0-zh-CN.xpi 687177 BLAKE2B d637b0456f8d90e8e2ff1149ba315a1198512882c15de4010f00b217e0446d3bac533fc9bd8b4ec79167b4de778b5c584818953964f792349a69269237b25efa SHA512 cba980ceba034dff08d0e97902f7ad5dfb4931b269fc16f14cb00ff2bf23391a95086be6b5df9944ba213d18e58071fcfcd4060b5f453a2dd2fe84e8ea9d2899
 DIST thunderbird-78.14.0-zh-TW.xpi 687624 BLAKE2B 6466d30812b61fa2d053befc19a4404920bf99c7de6e9d43fa427141327dd9018f4a2fe312834af917f9a6e10cbe68e6b04893fe68fb9277f137525f8807b7d6 SHA512 6b4b37123881c42b0a70727ad73929e026f79214a0b4ef0b9ff2adc45f10c6025379375db60dc3ce56c0f15bc129c1acc2426d90957e5c2dfd6ae0ca249ba526
 DIST thunderbird-78.14.0.source.tar.xz 352766276 BLAKE2B e692bfa7c40b05ae691d96efb03e3d6c86fcd1c87ebbf06323d0127d7cef603aad2029b1c76406d2893458b1dc5c0ef7a9b352606c5ab4475e85fe1a75b32311 SHA512 a6b70235eaa5bb334bff02591e030cd19a6c13d0302d12a83966a93c97bbdd6557c78418cd26b486fd1ce7b7c1b84cbc2397cebb29682ad1b45bc8de120cab3e
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+DIST thunderbird-91.3.0-ja.xpi 741356 BLAKE2B 8591296fe68034ff7f6dce349ae49093a0762585273a2a3180092c68469998d19da77e0bdc905253ed92dc0060058df82a3b59453e175edc98dbc2d5b3085cec SHA512 5daf35119196264acea64ebd1487cc862edc9dba8992d4ad34f2392b685d595aa186b62a573005753e5fb5b9717ccbe38d38490d5f33229a627d19976ee22b7d
+DIST thunderbird-91.3.0-ka.xpi 735875 BLAKE2B c61b900cb5fb4b4566af46a554defcf5c711060ae4f8fe160eb7c2aab37d8629323506578572b33eef052d36a842490d4974204dc5d807643bec4ee56de39a5c SHA512 16d59413d470ee92d0b6a373df7f243d2e14389fbfbb20b432e4eb9938c11ee276898d00a036c60a2beaa85cbb0c894050ee201aa07074157661fd5d9a23c169
+DIST thunderbird-91.3.0-kab.xpi 671295 BLAKE2B 20082b798a11d3d567f8cb5fb32a4c838bb48695955c99dc1335f228d23d97ffcf1456c0276b1e3a0c1ef06a9e2b4bf69d6ff2716f3760e967a5654528f7ab0c SHA512 34a2efe01cc8d3e39e17ec647fb9ce4fe2caed73cbe890fe5658778a649e7ef6c284ac82961ab163d565f4c02b02b4433c561dde33b60a8dbb6cce9c1a744a61
+DIST thunderbird-91.3.0-kk.xpi 729727 BLAKE2B 88ce3dd34a9f80b3117f8bd3e7d7241a859b5fc91d0c048752837f01d0005d03f930309c936cf6104d1751628f38346a83567667d84e4cc0e7f1789ddf7018a2 SHA512 e069c3b5fa2674c8dc3eee46956c829bd2bd60d4611013da8918950447b99b00a55c25ea099c08b61f6851fdb8e33b9a2493bcfca413a813dfe2e253cafb0321
+DIST thunderbird-91.3.0-ko.xpi 694564 BLAKE2B dadf5a01f3cb28da2f52732df46996420ce72689b8085fe2e08097e2c75d46bf7a133869c7f2872d9e81e35aecb0b4db42387a7ef3a782c1d6166311991f4122 SHA512 72ea1b67ef18144e847059c90e6caef3f7c1e527c458dfc66a56d706cba9f3a6cf185c738c8c5bdc441f9d91cfb94c5a1f3baf618388c519e53843a83237dd36
+DIST thunderbird-91.3.0-lt.xpi 687445 BLAKE2B a9f245e82ad7f0552c00f3b78945326fd87a85f0fd432de35234247c8b3bd67d7d4db3c483cfb5caf20de2f05e7c2078c19539cf7cee269042841c910afe28fa SHA512 752ef9b1a413fa585672d1e759b77bb0215c913acd1464cc3e1d9471d2e4541aa12ea1e3b697cdb61aa26d090b74cdce901b2029fac83024053b5cce587c7ccd
+DIST thunderbird-91.3.0-lv.xpi 613971 BLAKE2B 708b19fc76bf4b36fcfc3271976209e43bfe6d6981682e68876fc09d6c93a043d47fde08d4ad507b8d9606a77094d132037d537fe737f1d2efb4f15c8efa97e2 SHA512 2dab6750e54276c6e342759013b55a01719ed1193933b10f0f03a59e9bcdb892fe5f6851daaa11303542e9949bf28cb55a58c367d49479602dfbefd0c6507367
+DIST thunderbird-91.3.0-ms.xpi 573772 BLAKE2B 57b5dfa7ca4321b5b31dd4449d7edb88b8d7325dc729a41a133bce23c7cab15213892563db3a6fdd4a685ac00bb53fa754f7ef095b7b114425fbc12f109bc6a3 SHA512 cf7ea2e2071d0d26c6b0558723132767facee1ba7c0997d7bc8d35b32ce0197faa3ee0d57776b776b62df4b998042667039511c86d3aac23b67194422d36fbe8
+DIST thunderbird-91.3.0-nb-NO.xpi 645216 BLAKE2B 7fbf9dc2da547078ec660cfb168d050cbfbc89ad47b442d046d6b513a01615f7b26c609bdca66f9ec93250acf23bc7371cdc30d6c26fbabca42d383ca07fbba7 SHA512 0dfcac57d8f9bdadabc1d9dbe000a852ab2769825dbddf215cfc9f18252c1c583e94c9867f41f77f7ee24cff9063eeaf91fdf5254e4d1320c98dd950f5554a38
+DIST thunderbird-91.3.0-nl.xpi 669277 BLAKE2B b3ff0ec23bae762c2135196e00118436a9bcc3d7255b327b48cc9b23c28ba553fbed4ccfc1488c9162b05b92e12ea61723a7fdd8806f3b5672e3d3c8cec4ccad SHA512 b0fecbc04f611c43d844b6dcaf671ff254548b9893731124a09cabd90e15f960e23fc1cdefca0c0b337f114e0990d35050ddc6f3a96868803badc14d7e809b74
+DIST thunderbird-91.3.0-nn-NO.xpi 648291 BLAKE2B 0f8ab7c8b30f931382d4033e08d17c3d1ebff3924d012e6ef61cfecf31f16908f2b423ab90be80bf1d9cbe729c56e3e9fe58368702a4cc7e1d10ee873990d4bf SHA512 ea71f465424cec5347a5dcee6644d80c441e5c7cb4ab51bcaa458a8da108080d99c9bd64e363f72407d6a5feb86fdc67f7296eb115f524bda896fdcc10939b5c
+DIST thunderbird-91.3.0-pa-IN.xpi 647438 BLAKE2B 6d78571d9a5a93280fe25dece5ee7d03cf06aa742c8a19aee8746b68e798e1e74a161f2518517df2103b785d3b21a85364847e6016bbaa8137e7d2239666618c SHA512 a24711a523955c3d4e52742c37939a97ad0831bcf6e81bf58626f749867ebe7efc15472698b4fd8290a3b08213aca3e4a45b474a797d3c570e2fbf8a881c5f2d
+DIST thunderbird-91.3.0-pl.xpi 678586 BLAKE2B da9f73fb8158fb560e0a377e97293f73832834e1bc368873bade65b26993b3a320228be22cfe4914937420e8ad3a6e14fe9d2d697dd5ab9b8bb98a23ba27f1e7 SHA512 d8f89fac2cc8ebb08e4c5acda4178b07cfcce1d41aa8be2f4a5996186039ed3a84f35e22ef176c43d6781621aabc2665170864f487c9b5ce09215deab163fb0a
+DIST thunderbird-91.3.0-pt-BR.xpi 676928 BLAKE2B bd0009f7f9aaeade44f7f4ebf098357292c4c49eb417be69a79a56ba5e84250424c4ba60edd563bf41772b7128da221021e2edd19537c47bb351a303872968f7 SHA512 da831d06ccfcd3493b70d614240e5d8cfa83dc3e93c3b6867ccc0b2354b98929c0f72a2017aa8801cc2b152fa3f87f4fc2178e2625f1419acdbcfbfe391196aa
+DIST thunderbird-91.3.0-pt-PT.xpi 665335 BLAKE2B 99bdb0378225bd6c0873419e63befad53db79eb115c5a6e6013d2010e560b364f087bb27569dae7a2222294a27ba94216c5cb4ff8108398effab31396debc795 SHA512 2929806aa95834ead922b0adfeff3b16dc155edff0c3479cf9e587b8f6a268bf1aeaaba25c6d415bdba383c7ac346c72c2588f3a2f4b549b455c830de19b92ef
+DIST thunderbird-91.3.0-rm.xpi 670011 BLAKE2B 685bdd6dd6db0acd5878d8fb50eb6fcef7b56eaa7b5cdfe2c4e253be0d2fde276442aaef2e4a8f6f02446573353fecf3bde0acc6ae3b6ac3902dc20a5d942992 SHA512 97adf81600b9ff067062a4697bd71962a03db9221470c102a61af3e29e4276daa755852ad71a540e4d0fe8f4fd6d82beb06724af7d00214c164cd51122be4c2d
+DIST thunderbird-91.3.0-ro.xpi 656058 BLAKE2B c629a329620e30cb2e61fbdffe0d0c623d385c9ea80afb3ec39e3f60cdc29a1e6cd6c9ace7ddb79e1ece83d49b7e7dc120a6e2d6f46cbe610ced666e782661a3 SHA512 ded27b8487498fc0ddc5c15b66abe6f27a61b762f2933765e8ae2cf36f7c452b457cd0f5b1531782aad29510261a2e7ea2c7b87a6ed5a2706ed6ecebd3a1d4c3
+DIST thunderbird-91.3.0-ru.xpi 782564 BLAKE2B fd864ead8e13ce05fe5a62a63513c671f7f493249d0492743ca1e3b941cabd2f5afd39220b1a0fbb5d0a8881639a45dd3f91669fd624c89a2592e751d4c8649d SHA512 65d4e61e529da7f7e1cffc8413fa10eaf86ffa4efdedbc90bdaf45704bd6761c955698e94b7d2adf03b2ebb608ca5ccdc6d7a0643cec7b2d834ad6766f7937a6
+DIST thunderbird-91.3.0-sk.xpi 705601 BLAKE2B 59982508c21a24806eacf7d50d182974580a196dec500591a804b43218770600bdb9885612619e4fd95a57a3fb843ec52307052ccca8d160a49bc4327739ecf7 SHA512 1f15e7716151f6dee469d8a1f1f5104a77a72b9ff0746d30fa484f5338cdde7679b3141a395715cc649df16e6d5b48fee234a21e31458f724194e587be32b098
+DIST thunderbird-91.3.0-sl.xpi 657955 BLAKE2B a09bff8aa1221beec946310a37672120c24c1b94f3d47e67f5039699f115ef1e2d7d50c2789ce386946f3836750f335d9a0835aa1c535abf402e360e67b08ee8 SHA512 5cce8c69e3e6fafa784aeffba1d0d4515be697a11557ce9a04d814bd32c41e2d4a1ef88867b7f50b5e0b38cc0519bcec054f793ec27d3e159e14ac11f0fea8fd
+DIST thunderbird-91.3.0-sq.xpi 683298 BLAKE2B a4c35fa404f3dd29cde2d1c0baf21f1f2bd5a9525f9a89034001a53eb67a27824608b4e86e0077daa9813c8a86e269e0591f992a00e562b73b72bedae151f930 SHA512 1613ed8f74cd721ef497bf8b68e5e6ad07558e46057c3ba4ac40b39b55f45f3e21737c401caa5bb118c560e50c117eee11ad71c01a367cca339c5d3da654f660
+DIST thunderbird-91.3.0-sr.xpi 702976 BLAKE2B 826d7e799eef6584b16ca33c8da99fd617fa05b80a71c27f4aecf860e57c1970b685f1acf0311e9802bd87bb7778a93e843c5789dadedf8d120b1b947585fc7b SHA512 03fd59e6d3410298458c8131b8f09b7cff8869e82dd2fda935f5ebaf3b517633d1cc0e997bef009714b2f95388ff25cfb5c7f354fd81fa2afe819132b24604d7
+DIST thunderbird-91.3.0-sv-SE.xpi 673638 BLAKE2B 5e826df36042ce770aeb35eaa91db88cd32ab2ba0a64816d150e460a072945d0b709c980218372f6033e9fc9a81a5b54fb0678db44574871308a4b6388feb381 SHA512 0463dacf3a2c9392243e3716390b2764ff9e0b78a42c5b727740e0696fa008d665f408b9e0d7a72b4b6a91817ff9c2cea2a22fc3044f64dfe83e5b265d809750
+DIST thunderbird-91.3.0-th.xpi 738273 BLAKE2B e0e99acf1736400dd6000b901948c361ff53e35d3bc8caba38daec36f3974176e4920f859fac3e2b9948c508c67e421f82a2623c7ac70d86cbd20e5e0358dd1e SHA512 57f0d36b5d16464ce6bbb634bd1f604c9df3ba7f05d23f92921d8c38e4ad8fde65af25836e9d357d9efb397e3054832a551e869e9494125a7862c2eca5a218f8
+DIST thunderbird-91.3.0-tr.xpi 680124 BLAKE2B 86b215442a5db17a38612faa688a7b09cb8082e9187ecad2914858ff2f998a9a408aa7145d0e031b13622eb6f3f8dec87ef00f851b453d542132fd349f94548f SHA512 46802ce4488eea3464656e92b3f7682269647f166c29c76d0ab46e0f31231ad2ff87125b511d232b53718adf7f22dbb20a462838abca83060b93d8045b689e27
+DIST thunderbird-91.3.0-uk.xpi 778565 BLAKE2B ffc2419316a165717261814f2c9369ebf72793bc1e17855fc9d4255f9868d18cf1d9b3b809677efea9e37069ff9319a017951fa20db0107db97eb46d5f68a074 SHA512 5ff3bcec5e1a47ec0c352ca24da81432823d33e8ccd972cafa78fdcfd6813dabd2628511b3d65ed90e55b6126016d9fc123729f5664a0611c32684cd05e0e8a3
+DIST thunderbird-91.3.0-uz.xpi 587858 BLAKE2B b6cda786b9e03d9a1ee8b12216086ee3bfc04b314c4fd743d8fe2567ad6b6381ea62c128382ec3bd762375ab1ac1bad61633c37af4505337e41df2fd6d4cd53c SHA512 dbb5afdcfbdacdf644387626557bc8d88622a3709d454efb1471fc5a7d0a426a32ff1923996d22bd0ed62fb386ca226e82ec7e192f7c47b82e6df8830e51efd1
+DIST thunderbird-91.3.0-vi.xpi 702844 BLAKE2B 75dad43c5ef0a81d579b54913a140d78e2033f876fec0f879b175eff4bec70f04f4fcf44e8bf774ea55c8a084502043a6dd8c1e35c6a6d6d7cbc57a0f5b280d8 SHA512 688f34b648974085d70906886a612176ff92e9cc9a7629b5ed23ff2216dc57a41bfb32218113bbf0acc11271b8838aa4fa300673d3cf23614015d82e9a50ada1
+DIST thunderbird-91.3.0-zh-CN.xpi 712870 BLAKE2B 975ceab44fad6f5a073b5c8c03905e02ee23af7deea94ad47e34790c528fd7fa388e511c57a4dab623831918f1ae4c18edda1cbbab2aade0f8611e62ce5b809d SHA512 b9b48a34d9606afcdea5a982d545bf516faa8f76659380918a8f05904e38f4a43bfb01ed4ea5b6d36c420fb1a0515acabc253a02fe656d2da63d338aac8de113
+DIST thunderbird-91.3.0-zh-TW.xpi 713850 BLAKE2B 3cbb2f628db7bd578eb4072b5140017f059c4b0146b76e82fd79b308efd06f952be2019eecfde84bd52739614bcc6a4509e01465fa32a25f71796f94875150bc SHA512 b8bc40cfc3cb7dc6fb2206d485ef602b725cb2346f5ef6c5223f9b2bb3a0a93800eae494163018b44bb2e4c9581f90039fba7cdae7ebee849ab68d02cc70d4b7
+DIST thunderbird-91.3.0.source.tar.xz 403256924 BLAKE2B 0ee2cc960bf7b6837a73ed8d8916226f8275913d2f764f76fb16e50e66c94e8892cec755af0d3061edbce80dfe35b646af0f5d7d17876b434e7d32d5a90eaa04 SHA512 938de817ed2cad90f665559da1dfc266f34b6ca2e688ee364112edfdb1167183a8225132ed50b672ceb14402be933be82fd1ef8b46f103cdf1534a403fb472d9
diff --git a/mail-client/thunderbird/files/thunderbird-r1.sh b/mail-client/thunderbird/files/thunderbird-r1.sh
new file mode 100644
index 000000000000..a433ee338577
--- /dev/null
+++ b/mail-client/thunderbird/files/thunderbird-r1.sh
@@ -0,0 +1,116 @@
+#!/bin/bash
+
+##
+## Usage:
+##
+## $ thunderbird
+##
+## This script is meant to run Mozilla Thunderbird in Gentoo.
+
+cmdname=$(basename "$0")
+
+##
+## Variables
+##
+MOZ_ARCH=$(uname -m)
+case ${MOZ_ARCH} in
+	x86_64|s390x|sparc64)
+		MOZ_LIB_DIR="@PREFIX@/lib64"
+		SECONDARY_LIB_DIR="@PREFIX@/lib"
+		;;
+	*)
+		MOZ_LIB_DIR="@PREFIX@/lib"
+		SECONDARY_LIB_DIR="@PREFIX@/lib64"
+		;;
+esac
+
+MOZ_THUNDERBIRD_FILE="thunderbird"
+
+if [[ ! -r ${MOZ_LIB_DIR}/thunderbird/${MOZ_THUNDERBIRD_FILE} ]]; then
+	if [[ ! -r ${SECONDARY_LIB_DIR}/thunderbird/${MOZ_THUNDERBIRD_FILE} ]]; then
+		echo "Error: ${MOZ_LIB_DIR}/thunderbird/${MOZ_THUNDERBIRD_FILE} not found" >&2
+		if [[ -d ${SECONDARY_LIB_DIR} ]]; then
+			echo "       ${SECONDARY_LIB_DIR}/thunderbird/${MOZ_THUNDERBIRD_FILE} not found" >&2
+		fi
+		exit 1
+	fi
+	MOZ_LIB_DIR="${SECONDARY_LIB_DIR}"
+fi
+MOZILLA_FIVE_HOME="${MOZ_LIB_DIR}/thunderbird"
+MOZ_EXTENSIONS_PROFILE_DIR="${HOME}/.mozilla/extensions/{3550f703-e582-4d05-9a08-453d09bdfdc6}"
+MOZ_PROGRAM="${MOZILLA_FIVE_HOME}/${MOZ_THUNDERBIRD_FILE}"
+
+##
+## Enable Wayland backend?
+##
+if @DEFAULT_WAYLAND@ && [[ -z ${MOZ_DISABLE_WAYLAND} ]]; then
+	if [[ -n "${WAYLAND_DISPLAY}" ]]; then
+		export MOZ_ENABLE_WAYLAND=1
+	fi
+fi
+
+##
+## Use D-Bus remote exclusively when there's Wayland display.
+##
+if [[ -n "${WAYLAND_DISPLAY}" ]]; then
+	export MOZ_DBUS_REMOTE=1
+fi
+
+##
+## Make sure that we set the plugin path
+##
+MOZ_PLUGIN_DIR="plugins"
+
+if [[ -n "${MOZ_PLUGIN_PATH}" ]]; then
+	MOZ_PLUGIN_PATH=${MOZ_PLUGIN_PATH}:${MOZ_LIB_DIR}/mozilla/${MOZ_PLUGIN_DIR}
+else
+	MOZ_PLUGIN_PATH=${MOZ_LIB_DIR}/mozilla/${MOZ_PLUGIN_DIR}
+fi
+
+if [[ -d "${SECONDARY_LIB_DIR}/mozilla/${MOZ_PLUGIN_DIR}" ]]; then
+	MOZ_PLUGIN_PATH=${MOZ_PLUGIN_PATH}:${SECONDARY_LIB_DIR}/mozilla/${MOZ_PLUGIN_DIR}
+fi
+
+export MOZ_PLUGIN_PATH
+
+##
+## Set MOZ_APP_LAUNCHER for gnome-session
+##
+export MOZ_APP_LAUNCHER="@PREFIX@/bin/${cmdname}"
+
+##
+## Disable the GNOME crash dialog, Mozilla has its own
+##
+if [[ "${XDG_CURRENT_DESKTOP}" == "GNOME" ]]; then
+	GNOME_DISABLE_CRASH_DIALOG=1
+	export GNOME_DISABLE_CRASH_DIALOG
+fi
+
+##
+## Enable Xinput2 (#617344)
+##
+
+# respect user settings
+MOZ_USE_XINPUT2=${MOZ_USE_XINPUT2:-auto}
+
+if [[ ${MOZ_USE_XINPUT2} == auto && -n ${WAYLAND_DISPLAY} ]]; then
+	# enabling XINPUT2 should be safe for all wayland users
+	MOZ_USE_XINPUT2=1
+elif [[ ${MOZ_USE_XINPUT2} == auto && ${XDG_CURRENT_DESKTOP^^} == KDE ]]; then
+	# XINPUT2 is known to cause problems for KWin users
+	MOZ_USE_XINPUT2=0
+elif [[ ${MOZ_USE_XINPUT2} == auto && ${XDG_CURRENT_DESKTOP^^} == LXQT ]]; then
+	# LXQt uses KWin
+	MOZ_USE_XINPUT2=0
+elif [[ ${MOZ_USE_XINPUT2} == auto ]]; then
+	# should work on Mate, Xfce, FluxBox, OpenBox and all the others ...
+	MOZ_USE_XINPUT2=1
+fi
+
+[[ ${MOZ_USE_XINPUT2} != 0 ]] && export MOZ_USE_XINPUT2=${MOZ_USE_XINPUT2}
+
+# Don't throw "old profile" dialog box.
+export MOZ_ALLOW_DOWNGRADE=1
+
+# Run the mail client
+exec ${MOZ_PROGRAM} "${@}"
diff --git a/mail-client/thunderbird/metadata.xml b/mail-client/thunderbird/metadata.xml
index 0f7a99f4932a..e281b042c528 100644
--- a/mail-client/thunderbird/metadata.xml
+++ b/mail-client/thunderbird/metadata.xml
@@ -15,6 +15,7 @@
 		instead of downloading binary blob from Mozilla at runtime</flag>
 	<flag name="pgo">Add support for profile-guided optimization using gcc-4.5,
 		for faster binaries. This option will double the compile time.</flag>
+	<flag name="sndio">Enable support for the <pkg>media-sound/sndio</pkg> backend</flag>
 	<flag name="system-av1">Use the system-wide <pkg>media-libs/dav1d</pkg>
 		and <pkg>media-libs/libaom</pkg> library instead of bundled.</flag>
 	<flag name="system-harfbuzz">Use the system-wide <pkg>media-libs/harfbuzz</pkg>
diff --git a/mail-client/thunderbird/thunderbird-91.3.0.ebuild b/mail-client/thunderbird/thunderbird-91.3.0.ebuild
new file mode 100644
index 000000000000..5a0e48b7bfb7
--- /dev/null
+++ b/mail-client/thunderbird/thunderbird-91.3.0.ebuild
@@ -0,0 +1,1114 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+FIREFOX_PATCHSET="firefox-91esr-patches-01.tar.xz"
+
+LLVM_MAX_SLOT=13
+
+PYTHON_COMPAT=( python3_{7..10} )
+PYTHON_REQ_USE="ncurses,sqlite,ssl"
+
+WANT_AUTOCONF="2.1"
+
+VIRTUALX_REQUIRED="pgo"
+
+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}-${MOZ_PV_DISTFILES}"
+
+inherit autotools check-reqs desktop flag-o-matic gnome2-utils linux-info \
+	llvm multiprocessing pax-utils python-any-r1 toolchain-funcs \
+	virtualx xdg
+
+MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${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/~{polynomial-c,whissi}/mozilla/patchsets/${FIREFOX_PATCHSET}
+)
+
+SRC_URI="${MOZ_SRC_BASE_URI}/source/${MOZ_P}.source.tar.xz -> ${MOZ_P_DISTFILES}.source.tar.xz
+	${PATCH_URIS[@]}"
+
+DESCRIPTION="Thunderbird Mail Client"
+HOMEPAGE="https://www.mozilla.org/thunderbird"
+
+#KEYWORDS="~amd64 ~arm64 ~ppc64 ~x86"
+
+SLOT="0/$(ver_cut 1)"
+LICENSE="MPL-2.0 GPL-2 LGPL-2.1"
+
+IUSE="+clang cpu_flags_arm_neon dbus debug eme-free hardened hwaccel"
+IUSE+=" jack lto +openh264 pgo pulseaudio sndio selinux"
+IUSE+=" +system-av1 +system-harfbuzz +system-icu +system-jpeg +system-libevent +system-libvpx +system-webp"
+IUSE+=" wayland wifi"
+
+REQUIRED_USE="debug? ( !system-av1 )
+	wifi? ( dbus )"
+
+BDEPEND="${PYTHON_DEPS}
+	app-arch/unzip
+	app-arch/zip
+	>=dev-util/cbindgen-0.19.0
+	>=net-libs/nodejs-10.23.1
+	virtual/pkgconfig
+	>=virtual/rust-1.51.0
+	|| (
+		(
+			sys-devel/clang:13
+			sys-devel/llvm:13
+			clang? (
+				=sys-devel/lld-13*
+				pgo? ( =sys-libs/compiler-rt-sanitizers-13*[profile] )
+			)
+		)
+		(
+			sys-devel/clang:12
+			sys-devel/llvm:12
+			clang? (
+				=sys-devel/lld-12*
+				pgo? ( =sys-libs/compiler-rt-sanitizers-12*[profile] )
+			)
+		)
+		(
+			sys-devel/clang:11
+			sys-devel/llvm:11
+			clang? (
+				=sys-devel/lld-11*
+				pgo? ( =sys-libs/compiler-rt-sanitizers-11*[profile] )
+			)
+		)
+		(
+			sys-devel/clang:10
+			sys-devel/llvm:10
+			clang? (
+				=sys-devel/lld-10*
+				pgo? ( =sys-libs/compiler-rt-sanitizers-10*[profile] )
+			)
+		)
+	)
+	amd64? ( >=dev-lang/nasm-2.13 )
+	x86? ( >=dev-lang/nasm-2.13 )"
+
+CDEPEND="
+	>=dev-libs/nss-3.68
+	>=dev-libs/nspr-4.32
+	dev-libs/atk
+	dev-libs/expat
+	>=x11-libs/cairo-1.10[X]
+	>=x11-libs/gtk+-3.4.0:3[X]
+	x11-libs/gdk-pixbuf
+	>=x11-libs/pango-1.22.0
+	>=media-libs/libpng-1.6.35:0=[apng]
+	>=media-libs/mesa-10.2:*
+	media-libs/fontconfig
+	>=media-libs/freetype-2.4.10
+	kernel_linux? ( !pulseaudio? ( media-libs/alsa-lib ) )
+	virtual/freedesktop-icon-theme
+	>=x11-libs/pixman-0.19.2
+	>=dev-libs/glib-2.26:2
+	>=sys-libs/zlib-1.2.3
+	>=dev-libs/libffi-3.0.10:=
+	media-video/ffmpeg
+	x11-libs/libX11
+	x11-libs/libxcb
+	x11-libs/libXcomposite
+	x11-libs/libXdamage
+	x11-libs/libXext
+	x11-libs/libXfixes
+	x11-libs/libXrender
+	x11-libs/libXt
+	dbus? (
+		sys-apps/dbus
+		dev-libs/dbus-glib
+	)
+	system-av1? (
+		>=media-libs/dav1d-0.8.1:=
+		>=media-libs/libaom-1.0.0:=
+	)
+	system-harfbuzz? (
+		>=media-libs/harfbuzz-2.8.1:0=
+		>=media-gfx/graphite2-1.3.13
+	)
+	system-icu? ( >=dev-libs/icu-69.1:= )
+	system-jpeg? ( >=media-libs/libjpeg-turbo-1.2.1 )
+	system-libevent? ( >=dev-libs/libevent-2.0:0=[threads] )
+	system-libvpx? ( >=media-libs/libvpx-1.8.2:0=[postproc] )
+	system-webp? ( >=media-libs/libwebp-1.1.0:0= )
+	wifi? (
+		kernel_linux? (
+			sys-apps/dbus
+			dev-libs/dbus-glib
+			net-misc/networkmanager
+		)
+	)
+	jack? ( virtual/jack )
+	selinux? ( sec-policy/selinux-mozilla )
+	sndio? ( media-sound/sndio )"
+
+RDEPEND="${CDEPEND}
+	jack? ( virtual/jack )
+	openh264? ( media-libs/openh264:*[plugin] )
+	pulseaudio? (
+		|| (
+			media-sound/pulseaudio
+			>=media-sound/apulse-0.1.12-r4
+		)
+	)
+	selinux? ( sec-policy/selinux-mozilla )
+	!<x11-plugins/enigmail-2.2"
+
+DEPEND="${CDEPEND}
+	x11-libs/libICE
+	x11-libs/libSM
+	pulseaudio? (
+		|| (
+			media-sound/pulseaudio
+			>=media-sound/apulse-0.1.12-r4[sdk]
+		)
+	)
+	wayland? ( >=x11-libs/gtk+-3.11:3[wayland] )
+	amd64? ( virtual/opengl )
+	x86? ( virtual/opengl )"
+
+S="${WORKDIR}/${PN}-${PV%_*}"
+
+# Allow MOZ_GMP_PLUGIN_LIST to be set in an eclass or
+# overridden in the enviromnent (advanced hackers only)
+if [[ -z "${MOZ_GMP_PLUGIN_LIST+set}" ]] ; then
+	MOZ_GMP_PLUGIN_LIST=( gmp-gmpopenh264 gmp-widevinecdm )
+fi
+
+llvm_check_deps() {
+	if ! has_version -b "sys-devel/clang:${LLVM_SLOT}" ; then
+		einfo "sys-devel/clang:${LLVM_SLOT} is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+		return 1
+	fi
+
+	if use clang ; then
+		if ! has_version -b "=sys-devel/lld-${LLVM_SLOT}*" ; then
+			einfo "=sys-devel/lld-${LLVM_SLOT}* is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+			return 1
+		fi
+
+		if use pgo ; then
+			if ! has_version -b "=sys-libs/compiler-rt-sanitizers-${LLVM_SLOT}*" ; then
+				einfo "=sys-libs/compiler-rt-sanitizers-${LLVM_SLOT}* is missing! Cannot use LLVM slot ${LLVM_SLOT} ..." >&2
+				return 1
+			fi
+		fi
+	fi
+
+	einfo "Using LLVM slot ${LLVM_SLOT} to build" >&2
+}
+
+MOZ_LANGS=(
+	af ar ast be bg br ca cak cs cy da de dsb
+	el en-CA en-GB en-US es-AR es-ES et eu
+	fi fr fy-NL ga-IE gd gl he hr hsb hu
+	id is it ja ka kab kk ko lt lv ms nb-NO nl nn-NO
+	pa-IN pl pt-BR pt-PT rm ro ru
+	sk sl sq sr sv-SE th tr uk uz vi zh-CN zh-TW
+)
+
+mozilla_set_globals() {
+	# https://bugs.gentoo.org/587334
+	local MOZ_TOO_REGIONALIZED_FOR_L10N=(
+		fy-NL ga-IE gu-IN hi-IN hy-AM nb-NO ne-NP nn-NO pa-IN sv-SE
+	)
+
+	local lang xflag
+	for lang in "${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}"
+}
+
+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="6400M"
+		fi
+
+		check-reqs_pkg_pretend
+	fi
+}
+
+pkg_setup() {
+	if [[ ${MERGE_TYPE} != binary ]] ; then
+		if use pgo ; then
+			if ! has userpriv ${FEATURES} ; then
+				eerror "Building ${PN} with USE=pgo and FEATURES=-userpriv is not supported!"
+			fi
+		fi
+
+		# Ensure we have enough disk space to compile
+		if use pgo || use lto || use debug ; then
+			CHECKREQS_DISK_BUILD="13500M"
+		else
+			CHECKREQS_DISK_BUILD="6400M"
+		fi
+
+		check-reqs_pkg_setup
+
+		llvm_pkg_setup
+
+		if use clang && use lto ; then
+			local version_lld=$(ld.lld --version 2>/dev/null | awk '{ print $2 }')
+			[[ -n ${version_lld} ]] && version_lld=$(ver_cut 1 "${version_lld}")
+			[[ -z ${version_lld} ]] && die "Failed to read ld.lld version!"
+
+			# temp fix for https://bugs.gentoo.org/768543
+			# we can assume that rust 1.{49,50}.0 always uses llvm 11
+			local version_rust=$(rustc -Vv 2>/dev/null | grep -F -- 'release:' | awk '{ print $2 }')
+			[[ -n ${version_rust} ]] && version_rust=$(ver_cut 1-2 "${version_rust}")
+			[[ -z ${version_rust} ]] && die "Failed to read version from rustc!"
+
+			if ver_test "${version_rust}" -ge "1.49" && ver_test "${version_rust}" -le "1.50" ; then
+				local version_llvm_rust="11"
+			else
+				local version_llvm_rust=$(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 ${version_llvm_rust} ]] && die "Failed to read used LLVM version from rustc!"
+			fi
+
+			if ver_test "${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"
+				die "LLVM version used by Rust (${version_llvm_rust}) does not match with ld.lld version (${version_lld})!"
+			fi
+		fi
+
+		if ! use clang && [[ $(gcc-major-version) -eq 11 ]] \
+			&& ! has_version -b ">sys-devel/gcc-11.1.0:11" ; then
+			# bug 792705
+			eerror "Using GCC 11 to compile firefox is currently known to be broken (see bug #792705)."
+			die "Set USE=clang or select <gcc-11 to build ${CATEGORY}/${P}."
+		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 ! 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 "${MOZ_API_KEY_MOZILLA+set}" ]] ; then
+			MOZ_API_KEY_MOZILLA="edb3d487-3a84-46m0ap1e3-9dfd-92b5efaaa005"
+		fi
+
+		# Ensure we use C locale when building, bug #746215
+		export LC_ALL=C
+	fi
+
+	CONFIG_CHECK="~SECCOMP"
+	WARNING_SECCOMP="CONFIG_SECCOMP not set! This system will be unable to play DRM-protected content."
+	linux-info_pkg_setup
+}
+
+src_unpack() {
+	local _lp_dir="${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 ${_src_file}
+		fi
+	done
+}
+
+src_prepare() {
+	use lto && rm -v "${WORKDIR}"/firefox-patches/*-LTO-Only-enable-LTO-*.patch
+	eapply "${WORKDIR}/firefox-patches"
+
+	# Allow user to apply any additional patches without modifing ebuild
+	eapply_user
+
+	# Make LTO respect MAKEOPTS
+	sed -i \
+		-e "s/multiprocessing.cpu_count()/$(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
+
+	# Clearing checksums where we have applied patches
+	moz_clear_vendor_checksums target-lexicon-0.9.0
+
+	# 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/}" > "${S}"/api-mozilla.key || die
+
+	xdg_src_prepare
+}
+
+src_configure() {
+	# Show flags set at the beginning
+	einfo "Current BINDGEN_CFLAGS:\t${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 && ! tc-is-clang ; then
+		# Force clang
+		einfo "Enforcing the use of clang due to USE=clang ..."
+		have_switched_compiler=yes
+		AR=llvm-ar
+		CC=${CHOST}-clang
+		CXX=${CHOST}-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 "${have_switched_compiler}" ]] ; then
+		# Because we switched active compiler we have to ensure
+		# that no unsupported flags are set
+		strip-unsupported-flags
+	fi
+
+	# Ensure we use correct toolchain
+	export HOST_CC="$(tc-getBUILD_CC)"
+	export HOST_CXX="$(tc-getBUILD_CXX)"
+	tc-export CC CXX LD AR NM OBJDUMP RANLIB PKG_CONFIG
+
+	# Pass the correct toolchain paths through cbindgen
+	if tc-is-cross-compiler ; then
+		export BINDGEN_CFLAGS="${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
+
+	# Set Gentoo defaults
+	export MOZILLA_OFFICIAL=1
+
+	mozconfig_add_options_ac 'Gentoo default' \
+		--allow-addon-sideload \
+		--disable-cargo-incremental \
+		--disable-crashreporter \
+		--disable-install-strip \
+		--disable-strip \
+		--disable-updater \
+		--enable-official-branding \
+		--enable-release \
+		--enable-system-ffi \
+		--enable-system-pixman \
+		--host="${CBUILD:-${CHOST}}" \
+		--libdir="${EPREFIX}/usr/$(get_libdir)" \
+		--prefix="${EPREFIX}/usr" \
+		--target="${CHOST}" \
+		--without-ccache \
+		--with-intl-api \
+		--with-libclang-path="$(llvm-config --libdir)" \
+		--with-system-nspr \
+		--with-system-nss \
+		--with-system-png \
+		--with-system-zlib \
+		--with-toolchain-prefix="${CHOST}-" \
+		--with-unsigned-addon-scopes=app,system \
+		--x-includes="${SYSROOT}${EPREFIX}/usr/include" \
+		--x-libraries="${SYSROOT}${EPREFIX}/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 && [[ ${CHOST} != armv*h* ]] ; then
+		mozconfig_add_options_ac '' --enable-rust-simd
+	fi
+
+	if [[ -s "${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="${S}/api-mozilla.key"
+	else
+		einfo "Building without Mozilla API key ..."
+	fi
+
+	mozconfig_use_with system-av1
+	mozconfig_use_with system-harfbuzz
+	mozconfig_use_with system-harfbuzz system-graphite2
+	mozconfig_use_with system-icu
+	mozconfig_use_with system-jpeg
+	mozconfig_use_with system-libevent system-libevent "${SYSROOT}${EPREFIX}/usr"
+	mozconfig_use_with system-libvpx
+	mozconfig_use_with system-webp
+
+	mozconfig_use_enable dbus
+
+	use eme-free && mozconfig_add_options_ac '+eme-free' --disable-eme
+
+	if use hardened ; then
+		mozconfig_add_options_ac "+hardened" --enable-hardening
+		append-ldflags "-Wl,-z,relro -Wl,-z,now"
+	fi
+
+	mozconfig_use_enable jack
+
+	mozconfig_use_enable pulseaudio
+	# force the deprecated alsa sound code if pulseaudio is disabled
+	if use kernel_linux && ! use pulseaudio ; then
+		mozconfig_add_options_ac '-pulseaudio' --enable-alsa
+	fi
+
+	mozconfig_use_enable sndio
+
+	mozconfig_use_enable wifi necko-wifi
+
+	if use wayland ; then
+		mozconfig_add_options_ac '+wayland' --enable-default-toolkit=cairo-gtk3-wayland
+	else
+		mozconfig_add_options_ac '' --enable-default-toolkit=cairo-gtk3
+	fi
+
+	if use lto ; then
+		if use clang ; then
+			# Upstream only supports lld when using clang
+			mozconfig_add_options_ac "forcing ld=lld due to USE=clang and USE=lto" --enable-linker=lld
+
+			mozconfig_add_options_ac '+lto' --enable-lto=cross
+		else
+			# ThinLTO is currently broken, see bmo#1644409
+			mozconfig_add_options_ac '+lto' --enable-lto=full
+		fi
+
+		if use pgo ; then
+			mozconfig_add_options_ac '+pgo' MOZ_PGO=1
+
+			if use clang ; then
+				# Used in build/pgo/profileserver.py
+				export LLVM_PROFDATA="llvm-profdata"
+			fi
+		fi
+	else
+		# Avoid auto-magic on linker
+		if use clang ; then
+			# This is upstream's default
+			mozconfig_add_options_ac "forcing ld=lld due to USE=clang" --enable-linker=lld
+		else
+			mozconfig_add_options_ac "linker is set to bfd" --enable-linker=bfd
+		fi
+	fi
+
+	# LTO flag was handled via configure
+	filter-flags '-flto*'
+
+	mozconfig_use_enable debug
+	if use debug ; then
+		mozconfig_add_options_ac '+debug' --disable-optimize
+	else
+		if is-flag '-g*' ; then
+			if use clang ; then
+				mozconfig_add_options_ac 'from CFLAGS' --enable-debug-symbols=$(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
+	elif tc-is-gcc ; then
+		if ver_test $(gcc-fullversion) -ge 10 ; then
+			einfo "Forcing -fno-tree-loop-vectorize to workaround GCC bug, see bug 758446 ..."
+			append-cxxflags -fno-tree-loop-vectorize
+		fi
+	fi
+
+	# Additional ARCH support
+	case "${ARCH}" in
+		arm)
+			# Reduce the memory requirements for linking
+			if use clang ; then
+				# Nothing to do
+				:;
+			elif tc-ld-is-gold || 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 MACH_USE_SYSTEM_PYTHON=1
+
+	# 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 use pgo ; then
+		virtx_cmd=virtx
+
+		# Reset and cleanup environment variables used by GNOME/XDG
+		gnome2_environment_reset
+
+		addpredict /root
+	fi
+
+	local -x GDK_BACKEND=x11
+
+	${virtx_cmd} ./mach build --verbose \
+		|| die
+}
+
+src_install() {
+	# xpcshell is getting called during install
+	pax-mark m \
+		"${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"
+	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
+}