mail-client/thunderbird: initial import

Signed-off-by: Alex Fan <alex.fan.q@gmail.com>
Signed-off-by: Yixun Lan <dlan@gentoo.org>

12 files changed, 1543 insertions, 0 deletions

diff --git a/mail-client/thunderbird/Manifest b/mail-client/thunderbird/Manifest
new file mode 100644
index 0000000..1632b29
--- /dev/null
+++ b/mail-client/thunderbird/Manifest
@@ -0,0 +1,65 @@
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+DIST thunderbird-91.4.0-nl.xpi 671291 BLAKE2B 58abebfe5765235492452563cf2135f7f85f29b55176493762d52f27b8a7b25764bc6eb195adfde5f00999ab8418eb0e873bf9edd90bab2aa3790872e12e96a1 SHA512 4d144724b5d336e97e50448bf3f4d4fd789bc8cbb80018842875fb4c2ac05ad1a69a4b9c39a2b0ff49f01d714e0455b497082e37d97be32e8ed42f36ffc2af2f
+DIST thunderbird-91.4.0-nn-NO.xpi 649227 BLAKE2B db56f303655f88a3ef8c9cbdc2b06b480ff2a152bdfb6f874625129e825645a56dcc8267843669e0936af21f642aaa210778f8bd742d65adc2b4e796076718fa SHA512 32f70b8395907f01bb1cbb344adecf89cfe81ede688d7e6e97104f0480b19ea688c7a4b1a0156cbfa00dfbb3c94ee6376c6f4c94e2ee0593e05b6db6e148b298
+DIST thunderbird-91.4.0-pa-IN.xpi 647736 BLAKE2B 902c4bd73d82c7f92caf44cec2a122ca85adb9a1be9eb9b8f323ae578bcce02580fb8dd0ada7d18c548a10f4dcd011bd587f282fce2c2a60bbc7818bee46e666 SHA512 320b217e50e6129774fc9149de0d52561c7638122b96e9583e3e1e366fddf9d32cb05459ff1f92b8a0abc4035915db858173ea7f72eb907581d98543c186b1a8
+DIST thunderbird-91.4.0-pl.xpi 680304 BLAKE2B 4d371fff351316df90a0d089aa5713127a1e6ae130d3ea3dc86afcc7bd452540e92ae1931e57be995da832898e6dcb19f0793f487d01dd294f47a2a590d5b0aa SHA512 cdaf3521609fb616f8e46cb88f04e669c5d9bc4ea7faf234ecdfbff796be5f86fdc76752567f0a06d4a511fc38849aa02af7bfb66f8409de68b8691b56fd62ea
+DIST thunderbird-91.4.0-pt-BR.xpi 678981 BLAKE2B 048c079dd09d880071848ff8b2b86c6aeef475fa83f2b05936b051039225ee098600d37711b374735828a66f562ffeed632d58a8a2ece3d90a2a1853b2b6b646 SHA512 b61fd7ea4de5211dbed27a31b78362aedc4244b6a18034b1e75df6bb831ad85adcbb0c0e2a7e6ec73a7a8c18419f11e02e1a28e8840c866ffa210efd4ad6a7ff
+DIST thunderbird-91.4.0-pt-PT.xpi 665709 BLAKE2B 61dca40025bded1483e2ebecef0e347fb614e17fb140472254d55f72cd67fa0f68ad49937dfa982c51d02c3844e1c0bdbf4d32b44af2c85372bb54ba4fdd768c SHA512 f0bbfa6bd9ce3ffd544d7188a154b7d5d35420af63ec8d20a36c4cca87236bf5dc33ef914292cbb6bfbb03cb6d3c30e1762059b9243a53a912e5eaca9754ba59
+DIST thunderbird-91.4.0-rm.xpi 671677 BLAKE2B 46a3c73b8d1a5c4ba09a462d3e4001ddd4badb00a8ed160bcbe67b18f2d2f6b1a6898d960a48b7b0b08b8817123b7e1b90142289dd8178cdfb29d31ffbf29927 SHA512 5e82c9597f40cd6f806a52e21eb47c5761c0576d55a1716865d3f754fa742ecc2534567ae42d6caf9ffb5ae374d82a59781b5a0d56e188a0d63650af469c2f33
+DIST thunderbird-91.4.0-ro.xpi 656465 BLAKE2B 78da27e033edf943c89c1e6c8b05a5535f08fcf074aaee84ce2b6ed9044df56696741b308b2ca2bd7e839e757eacaccdcc7f3be1a6ebb56055fdcccb76468f10 SHA512 16cab9f67a31a3af594d29d8592d651c68a97af7c76059237bdae473a41e7abd37ec26ed6e98fbb48cee496d4a25a75184e9896553dec562da17e124783415d0
+DIST thunderbird-91.4.0-ru.xpi 783359 BLAKE2B a5de711488c7c92e34323aba2b598a5438e9f72a559c10a35753c4d17fe923e07d577a7e9fcc603a6dce57605b679620f98c174b6f0f349e46276a75128d6231 SHA512 3459e8474e0858f46a8a7b995a7023ad30b1fc79cd6995709a0a67c251ff45e7ee507f1f54f1b4d2e9cefde26108477e164c2a1d589e3534f4d47279a5bed762
+DIST thunderbird-91.4.0-sk.xpi 707732 BLAKE2B 0cefdbf1020120b32b0dcb63ebbab7c94caa219695931739d2d2dc82c0600ddfa3e7dfe482a6617a26e44cc6274007b59228043315d7ebb618af25f2182a42f4 SHA512 be07a2d684ea49f5980fc1d04f0e71dceac6eb7cc568a4954d7d979d7f369b1fecd4eb8c63c3e914fd89edbcabc243306ccde03c53036fa70876059dd45c48ff
+DIST thunderbird-91.4.0-sl.xpi 660446 BLAKE2B 128c6545ea636b7d4cbc2dcbbc4140800cb3975cac00a69f3b8cdeeacee36b9b279234bebef646d65ceb680ce26743a69c042568c15e98d47a938158cb8e9bdb SHA512 8d4f878311a07ca28e479f1e9804bc344b618a8bab40fcad3f91df405ce18455d69f0af13d774a602dc95e36c276e1339e61c40f507f9ee1c289d3bf10e71264
+DIST thunderbird-91.4.0-sq.xpi 693389 BLAKE2B a2f0e289f5f6a47d1f9ac8b8aaafa7e15de097c1090812fff24437dd048fb495613c673cf4e299fd248f531fa3b0804e8cbdd3cb93a1aaaaedd7b0b3633125a0 SHA512 8b526fd2e9032d6c79536bd49883db84324bf123ef2a5189e187633403dd181d6f61e26962f129a91a2c4e496f6a70ad5cf277636c73d7fff0dfa79d6d18e47e
+DIST thunderbird-91.4.0-sr.xpi 703327 BLAKE2B 744ad88bc46541c67cde475fdb2608eb47e936be9e69c908fcaa7d490b466be82ace0963aa897b85a58bf9f659a8ce20584dda6fa477afb4dba4a49e1522a968 SHA512 9c2afeb7d7520ebe60233d713bc383ba3f766bc76a05930866c2ef751b3c8ba726bcb8c692cc664f7ce238ce1527475de70789b0e0f15535fcf19938da8b2571
+DIST thunderbird-91.4.0-sv-SE.xpi 675812 BLAKE2B d0582bd52440802004327af9dc519c1d9d837719ec05245f032144edd9b02543be800d583f7e27590e4715f9be135c676557e70f7ef9d66f673e115e1e5104e9 SHA512 41c6a62eb9b07f22f90e129a6bd90c73b231a91b50ba9f9d710ae1844371b50766b1f1f92ca7b3f57b1e8a05c6a33d0b04205106f5f810d84f5013a9086dfbf7
+DIST thunderbird-91.4.0-th.xpi 741243 BLAKE2B 023aa24a1017ef8026cd54b01cec48beabbd72f721ab8367f6c4952effd8097d62bd1ec8a27a80b924fa29ffe5a0e87a7693be3617fe040cf0d5537115028fe9 SHA512 a067a9826e1be2c1dd17e4e943f1d763acc139a279f818262b08eba039aa4b509771abf217a7c9120264552d9fc42555d71a472f718d67e511ffe3ab9f6c9469
+DIST thunderbird-91.4.0-tr.xpi 685073 BLAKE2B 42927bcb6da28318651934f52b79e116765ca53230de8dec4cf7ecce90499c8a8241ce74bdc0133fbf7329b9cbb1061fb6049af9f2196e2c7e3ca1fefffa5f95 SHA512 0b9dd7379990fc9440c0f3ffe2d906ff11d68d634f1e38f24d2c76947be03330b39683a3f8b7c32e07747cc0dfb1b07dff08ab70c27ceaff38883e34a66af2d6
+DIST thunderbird-91.4.0-uk.xpi 780971 BLAKE2B e9319daf674623ef06f8a9f8a519b1c6827971bc5c3cb022fb4fee7d11f4d04192a90f7a5cd69a2c92f920a7163f18c4442429cc69791269fcc65e98bed64047 SHA512 37c18d77047810117897f387dc8208cdb3ff9510b5a75e99074f3d9bca5508af636b860a966b0052a3066422039e9a36ae3e88951b49b1ae90d878f00915871b
+DIST thunderbird-91.4.0-uz.xpi 588120 BLAKE2B be8b6d70dc0012476f7c5effd31a479d1be43d140878a2476b7da6a658cc9d0b28f63d0eb881beb333d7524c5d659cae2b3994e327246ad69384b6539d966586 SHA512 493ec625b71440d69085cd2e07463d663d87b2950b03e7e639b238a91a3b53e7ba2bc93a1484f6867e96148d7df6af09eb9f668c9aa6fb19e0e01cb07275511a
+DIST thunderbird-91.4.0-vi.xpi 706359 BLAKE2B e94cab57c25110b0d7ad38d98bfe24d4d48f2a33f146fd42ecb47417ab1487835569258547680a354c51b0b2faf1bffb3e0ea1b923cf13dc0bc3f4d51ae47ccc SHA512 7ee48c4d598f7d13d133aca3ddb73f603d4be39fda4296a77efe04490c88fb8e197f6f3bb78a70963432c3e130e503689db7d304d77d416255d67aec5bd17514
+DIST thunderbird-91.4.0-zh-CN.xpi 714608 BLAKE2B d1932a4b0cd1698291d1838973d8ea677a2084359fa3ebfc6f6fa4100d61e4f4ab747cb5cdf55b59d0d4a8e5015240bc3b2044dad35ab67231fbcc117afd9495 SHA512 d91f7d7ac2cd9ef3f57d446354c15a9a828167bcca4c574aa910b80bb2c1d4ad24b5f38fc5629bd43412bf8e6bc0ab704272ba6221d0ab55a4ee11880d1be06c
+DIST thunderbird-91.4.0-zh-TW.xpi 715957 BLAKE2B 0bfc3b3cbc415e429feaee7564b8b948db81a717eef8c738648bab7ad9ed04d996c284fbd1ef40013c39955d49502a1e23b6764e0866ae60d082ccefd0633a6e SHA512 e146d14ecfb96ee85e38680bbcdec34ad13228ebe5dc10128992280905a216ad1028171a6d7b289285c3dbc943dbea6db46533db93906134a1ad4a28373f95bc
+DIST thunderbird-91.4.0.source.tar.xz 401512224 BLAKE2B c3daf5e0d4d916b0d5f258599a5866a0d4f0b272ca15a083d4a5533546aa6033a7b076da77b74f8698b2828b6b3f786469017ef51e313fb55753e59cb8bbf974 SHA512 f19eba17b8018d11358258f6c9fbe4b2d20858f5afdf82ad5a81de5f6191f833ecf01ee4631297b0880dfa8b76baa1f9cd09a976cab2d2206ca5a902283fa102
diff --git a/mail-client/thunderbird/files/disable-auto-update.policy.json b/mail-client/thunderbird/files/disable-auto-update.policy.json
new file mode 100644
index 0000000..f366220
--- /dev/null
+++ b/mail-client/thunderbird/files/disable-auto-update.policy.json
@@ -0,0 +1,5 @@
+{
+  "policies": {
+    "DisableAppUpdate": true
+  }
+}
diff --git a/mail-client/thunderbird/files/distribution.ini b/mail-client/thunderbird/files/distribution.ini
new file mode 100644
index 0000000..ab0d149
--- /dev/null
+++ b/mail-client/thunderbird/files/distribution.ini
@@ -0,0 +1,9 @@
+[Global]
+id=gentoo
+version=1.0
+about=Mozilla Thunderbird for Gentoo
+about.de=Mozilla Thunderbird für Gentoo
+
+[Preferences]
+app.distributor="gentoo"
+app.distributor.channel="gentoo"
diff --git a/mail-client/thunderbird/files/gentoo-default-prefs.js b/mail-client/thunderbird/files/gentoo-default-prefs.js
new file mode 100644
index 0000000..4b5121a
--- /dev/null
+++ b/mail-client/thunderbird/files/gentoo-default-prefs.js
@@ -0,0 +1,7 @@
+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",              "");
+/* Disable DoH by default */
+pref("network.trr.mode",                   5);
diff --git a/mail-client/thunderbird/files/gentoo-hwaccel-prefs.js b/mail-client/thunderbird/files/gentoo-hwaccel-prefs.js
new file mode 100644
index 0000000..a00144a
--- /dev/null
+++ b/mail-client/thunderbird/files/gentoo-hwaccel-prefs.js
@@ -0,0 +1,3 @@
+/* Force hardware accelerated rendering due to USE=hwaccel */
+pref("layers.acceleration.force-enabled",  true);
+pref("webgl.force-enabled",                true);
diff --git a/mail-client/thunderbird/files/icon/thunderbird-r2.desktop b/mail-client/thunderbird/files/icon/thunderbird-r2.desktop
new file mode 100644
index 0000000..9bcd414
--- /dev/null
+++ b/mail-client/thunderbird/files/icon/thunderbird-r2.desktop
@@ -0,0 +1,30 @@
+[Desktop Entry]
+Version=1.0
+Name=@NAME@
+GenericName=Email
+Comment=Send and Receive Email
+Comment[ca]=Llegiu i escriviu correu
+Comment[cs]=Čtení a psaní pošty
+Comment[de]=Emails lesen und verfassen
+Comment[fi]=Lue ja kirjoita sähköposteja
+Comment[fr]=Lire et écrire des courriels
+Comment[it]=Leggere e scrivere email
+Comment[ja]=メールの読み書き
+Comment[pl]=Czytanie i wysyłanie e-maili
+Comment[pt_BR]=Ler e escrever suas mensagens
+Comment[sv]=Läs och skriv e-post
+Exec=@EXEC@ %u
+Icon=@ICON@
+Terminal=false
+Type=Application
+MimeType=message/rfc822;text/calendar;x-scheme-handler/mailto;
+StartupNotify=true
+Categories=Network;Email;Calendar;
+Keywords=email;messages;calendar
+Actions=profile-manager-window;
+
+[Desktop Action profile-manager-window]
+Name=Open the Profile Manager
+Name[de]=Profilverwaltung öffnen
+Name[cs]=Správa profilů
+Exec=@EXEC@ --ProfileManager
diff --git a/mail-client/thunderbird/files/thunderbird-r1.sh b/mail-client/thunderbird/files/thunderbird-r1.sh
new file mode 100644
index 0000000..a433ee3
--- /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/files/thunderbird-wayland.sh b/mail-client/thunderbird/files/thunderbird-wayland.sh
new file mode 100644
index 0000000..2cfdc5e
--- /dev/null
+++ b/mail-client/thunderbird/files/thunderbird-wayland.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+#
+# Run Mozilla Thunderbird under Wayland
+#
+export MOZ_ENABLE_WAYLAND=1
+exec @PREFIX@/bin/thunderbird "$@"
diff --git a/mail-client/thunderbird/files/thunderbird-x11.sh b/mail-client/thunderbird/files/thunderbird-x11.sh
new file mode 100644
index 0000000..2f4e410
--- /dev/null
+++ b/mail-client/thunderbird/files/thunderbird-x11.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+#
+# Run Mozilla Thunderbird on X11
+#
+export MOZ_DISABLE_WAYLAND=1
+exec @PREFIX@/bin/thunderbird "$@"
diff --git a/mail-client/thunderbird/files/thunderbird.sh b/mail-client/thunderbird/files/thunderbird.sh
new file mode 100644
index 0000000..7345cfc
--- /dev/null
+++ b/mail-client/thunderbird/files/thunderbird.sh
@@ -0,0 +1,128 @@
+#!/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}"
+DESKTOP_FILE="thunderbird"
+
+##
+## Enable Wayland backend?
+##
+if @DEFAULT_WAYLAND@ && [[ -z ${MOZ_DISABLE_WAYLAND} ]]; then
+	if [[ -n "$WAYLAND_DISPLAY" ]]; then
+		DESKTOP_FILE="thunderbird-wayland"
+		export MOZ_ENABLE_WAYLAND=1
+	fi
+elif [[ -n ${MOZ_DISABLE_WAYLAND} ]]; then
+	DESKTOP_FILE="thunderbird-x11"
+fi
+
+##
+## Use D-Bus remote exclusively when there's Wayland display.
+##
+if [[ -n "${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
+
+##
+## Route to the correct .desktop file to get proper
+## name and actions
+##
+if [[ $@ != *"--name "* ]]; then
+	set -- --name "${DESKTOP_FILE}" "$@"
+fi
+
+# Run the mail client
+exec ${MOZ_PROGRAM} "$@"
diff --git a/mail-client/thunderbird/metadata.xml b/mail-client/thunderbird/metadata.xml
new file mode 100644
index 0000000..ceafcda
--- /dev/null
+++ b/mail-client/thunderbird/metadata.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+<maintainer type="project">
+	<email>mozilla@gentoo.org</email>
+	<name>Gentoo Mozilla Team</name>
+</maintainer>
+<use>
+	<flag name="clang">Use Clang compiler instead of GCC</flag>
+	<flag name="eme-free">Disable EME (DRM plugin) cabability at build time</flag>
+	<flag name="hwaccel">Force-enable hardware-accelerated rendering (Mozilla bug 594876)</flag>
+	<flag name="lto">Enable Link Time Optimization (LTO). Requires Gold linker when using GCC
+		or LDD linker when using Clang</flag>
+	<flag name="openh264">Use <pkg>media-libs/openh264</pkg> for H.264 support
+		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>
+		and <pkg>media-gfx/graphite2</pkg> instead of bundled.</flag>
+	<flag name="system-icu">Use the system-wide <pkg>dev-libs/icu</pkg>
+		instead of bundled.</flag>
+	<flag name="system-jpeg">Use the system-wide <pkg>media-libs/libjpeg-turbo</pkg>
+		instead of bundled.</flag>
+	<flag name="system-libevent">Use the system-wide <pkg>dev-libs/libevent</pkg>
+		instead of bundled.</flag>
+	<flag name="system-libvpx">Use the system-wide <pkg>media-libs/libvpx</pkg>
+		instead of bundled.</flag>
+	<flag name="system-png">Use the system-wide <pkg>media-libs/libpng</pkg>
+		instead of bundled (requires APNG patches)</flag>
+	<flag name="system-webp">Use the system-wide <pkg>media-libs/libwebp</pkg>
+		instead of bundled.</flag>
+</use>
+</pkgmetadata>
diff --git a/mail-client/thunderbird/thunderbird-91.4.0-r1.ebuild b/mail-client/thunderbird/thunderbird-91.4.0-r1.ebuild
new file mode 100644
index 0000000..716a8a1
--- /dev/null
+++ b/mail-client/thunderbird/thunderbird-91.4.0-r1.ebuild
@@ -0,0 +1,1130 @@
+# Copyright 1999-2021 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="7"
+
+FIREFOX_PATCHSET="firefox-91esr-patches-03.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}-${MOZ_PV_DISTFILES}"
+
+inherit autotools check-reqs desktop flag-o-matic gnome2-utils \
+	llvm multiprocessing pax-utils python-any-r1 toolchain-funcs \
+	virtualx xdg
+
+MOZ_SRC_BASE_URI="https://archive.mozilla.org/pub/${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
+	${PATCH_URIS[@]}"
+
+DESCRIPTION="Thunderbird Mail Client"
+HOMEPAGE="https://www.thunderbird.net/"
+
+KEYWORDS="amd64 ~arm64 ~ppc64 x86"
+
+SLOT="0/$(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-png +system-webp"
+IUSE+=" wayland wifi"
+
+REQUIRED_USE="debug? ( !system-av1 )
+	pgo? ( lto )
+	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] )
+			)
+		)
+	)
+	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/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-png? ( >=media-libs/libpng-1.6.35:0=[apng] )
+	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%_*}"
+
+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 use pgo ; then
+			# Allow access to GPU during PGO run
+			local ati_cards mesa_cards nvidia_cards render_cards
+			shopt -s nullglob
+
+			ati_cards=$(echo -n /dev/ati/card* | sed 's/ /:/g')
+			if [[ -n "${ati_cards}" ]] ; then
+				addpredict "${ati_cards}"
+			fi
+
+			mesa_cards=$(echo -n /dev/dri/card* | sed 's/ /:/g')
+			if [[ -n "${mesa_cards}" ]] ; then
+				addpredict "${mesa_cards}"
+			fi
+
+			nvidia_cards=$(echo -n /dev/nvidia* | sed 's/ /:/g')
+			if [[ -n "${nvidia_cards}" ]] ; then
+				addpredict "${nvidia_cards}"
+			fi
+
+			render_cards=$(echo -n /dev/dri/renderD128* | sed 's/ /:/g')
+			if [[ -n "${render_cards}" ]] ; then
+				addpredict "${render_cards}"
+			fi
+
+			shopt -u nullglob
+		fi
+
+		if ! mountpoint -q /dev/shm ; then
+			# If /dev/shm is not available, configure is known to fail with
+			# a traceback report referencing /usr/lib/pythonN.N/multiprocessing/synchronize.py
+			ewarn "/dev/shm is not mounted -- expect build failures!"
+		fi
+
+		# Google API keys (see http://www.chromium.org/developers/how-tos/api-keys)
+		# Note: These are for Gentoo Linux use ONLY. For your own distribution, please
+		# get your own set of keys.
+		if [[ -z "${MOZ_API_KEY_GOOGLE+set}" ]] ; then
+			MOZ_API_KEY_GOOGLE="AIzaSyDEAOvatFogGaPi0eTgsV_ZlEzx0ObmepsMzfAc"
+		fi
+
+		if [[ -z "${MOZ_API_KEY_LOCATION+set}" ]] ; then
+			MOZ_API_KEY_LOCATION="AIzaSyB2h2OuRgGaPicUgy5N-5hsZqiPW6sH3n_rptiQ"
+		fi
+
+		# Mozilla API keys (see https://location.services.mozilla.com/api)
+		# Note: These are for Gentoo Linux use ONLY. For your own distribution, please
+		# get your own set of keys.
+		if [[ -z "${MOZ_API_KEY_MOZILLA+set}" ]] ; then
+			MOZ_API_KEY_MOZILLA="edb3d487-3a84-46m0ap1e3-9dfd-92b5efaaa005"
+		fi
+
+		# Ensure we use C locale when building, bug #746215
+		export LC_ALL=C
+	fi
+}
+
+src_unpack() {
+	local _lp_dir="${WORKDIR}/language_packs"
+	local _src_file
+
+	if [[ ! -d "${_lp_dir}" ]] ; then
+		mkdir "${_lp_dir}" || die
+	fi
+
+	for _src_file in ${A} ; do
+		if [[ ${_src_file} == *.xpi ]]; then
+			cp "${DISTDIR}/${_src_file}" "${_lp_dir}" || die "Failed to copy '${_src_file}' to '${_lp_dir}'!"
+		else
+			unpack ${_src_file}
+		fi
+	done
+}
+
+src_prepare() {
+	use lto && rm -v "${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-js-shell \
+		--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="$(llvm-config --libdir)" \
+		--with-system-nspr \
+		--with-system-nss \
+		--with-system-zlib \
+		--with-toolchain-prefix="${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-png
+	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
+			# ld.gold is known to fail:
+			# /usr/lib/gcc/x86_64-pc-linux-gnu/11.2.1/../../../../x86_64-pc-linux-gnu/bin/ld.gold: internal error in set_xindex, at /var/tmp/portage/sys-devel/binutils-2.37_p1-r1/work/binutils-2.37/gold/object.h:1050
+
+			# ThinLTO is currently broken, see bmo#1644409
+			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
+			# 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
+}