commit:     1291790c3dc24d3b9921bb10330201b8c1fa5983
Author:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
AuthorDate: Tue Jan  6 21:18:21 2026 +0000
Commit:     Andreas Sturmlechner <asturm <AT> gentoo <DOT> org>
CommitDate: Wed Jan  7 15:21:48 2026 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=1291790c

www-client/firefox: Fix build w/ ICU 78.1

Bug: https://bugs.gentoo.org/967261
Signed-off-by: Andreas Sturmlechner <asturm <AT> gentoo.org>

 www-client/firefox/files/firefox-146.0.1-icu78.patch | 16 ++++++++++++++++
 www-client/firefox/firefox-146.0.1.ebuild            |  6 +++++-
 2 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/www-client/firefox/files/firefox-146.0.1-icu78.patch 
b/www-client/firefox/files/firefox-146.0.1-icu78.patch
new file mode 100644
index 000000000000..c6c9e0530e0f
--- /dev/null
+++ b/www-client/firefox/files/firefox-146.0.1-icu78.patch
@@ -0,0 +1,16 @@
+diff --git a/intl/lwbrk/LineBreaker.cpp b/intl/lwbrk/LineBreaker.cpp
+--- a/intl/lwbrk/LineBreaker.cpp
++++ b/intl/lwbrk/LineBreaker.cpp
+@@ -451,10 +451,11 @@
+       /* AKSARA = 43,                       [AK] */ CLASS_CHARACTER,
+       /* AKSARA_PREBASE = 44,               [AP] */ CLASS_CHARACTER,
+       /* AKSARA_START = 45,                 [AS] */ CLASS_CHARACTER,
+       /* VIRAMA_FINAL = 46,                 [VF] */ CLASS_CHARACTER,
+       /* VIRAMA = 47,                       [VI] */ CLASS_CHARACTER,
++      /* UNAMBIGUOUS_HYPHEN = 48            [HH] */ CLASS_BREAKABLE,
+   };
+ 
+   static_assert(U_LB_COUNT == std::size(sUnicodeLineBreakToClass),
+                 "Gecko vs ICU LineBreak class mismatch");
+ 
+

diff --git a/www-client/firefox/firefox-146.0.1.ebuild 
b/www-client/firefox/firefox-146.0.1.ebuild
index cf8d2ea1557b..a3cfc8b23c24 100644
--- a/www-client/firefox/firefox-146.0.1.ebuild
+++ b/www-client/firefox/firefox-146.0.1.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2025 Gentoo Authors
+# Copyright 1999-2026 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -656,6 +656,10 @@ src_prepare() {
 
        eapply "${WORKDIR}/firefox-patches"
 
+       if use system-icu && has_version ">=dev-libs/icu-78.1"; then
+               eapply "${FILESDIR}/${P}-icu78.patch" # in 147, bug #967261
+       fi
+
        # Allow user to apply any additional patches without modifing ebuild
        eapply_user
 

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