From 9ddcb902f800a6a8580b8fd59c169aa79550cb34 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Sun, 14 Sep 2025 00:40:17 +0200
Subject: [PATCH] texlive: disable luajit on loongarch64-linux

---
 pkgs/tools/typesetting/tex/texlive/bin.nix             | 4 ++--
 pkgs/tools/typesetting/tex/texlive/default.nix         | 2 ++
 pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix | 5 ++---
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/pkgs/tools/typesetting/tex/texlive/bin.nix b/pkgs/tools/typesetting/tex/texlive/bin.nix
index 2f01868c1c6b..5c8019cd8d9f 100644
--- a/pkgs/tools/typesetting/tex/texlive/bin.nix
+++ b/pkgs/tools/typesetting/tex/texlive/bin.nix
@@ -48,6 +48,7 @@
   asymptote,
   biber-ms,
   tlpdb,
+  luajit,
 }@args:
 
 # Useful resource covering build options:
@@ -228,8 +229,7 @@ let
   };
 
   # RISC-V: https://github.com/LuaJIT/LuaJIT/issues/628
-  withLuaJIT =
-    !(stdenv.hostPlatform.isPower && stdenv.hostPlatform.is64bit) && !stdenv.hostPlatform.isRiscV;
+  withLuaJIT = lib.meta.availableOn stdenv.hostPlatform luajit;
 in
 rec {
   # un-indented
diff --git a/pkgs/tools/typesetting/tex/texlive/default.nix b/pkgs/tools/typesetting/tex/texlive/default.nix
index a237144a2ca9..4748f2f608d6 100644
--- a/pkgs/tools/typesetting/tex/texlive/default.nix
+++ b/pkgs/tools/typesetting/tex/texlive/default.nix
@@ -44,6 +44,7 @@
   extraMirrors ? [ ],
   recurseIntoAttrs,
   nixfmt,
+  luajit,
 }:
 let
   # various binaries (compiled)
@@ -90,6 +91,7 @@ let
           python3
           ruby
           zip
+          luajit
           ;
       };
     in
diff --git a/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix b/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
index fb0a180e1bfd..489fc23c05eb 100644
--- a/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
+++ b/pkgs/tools/typesetting/tex/texlive/tlpdb-overrides.nix
@@ -23,6 +23,7 @@
   python3,
   ruby,
   zip,
+  luajit,
 }:
 oldTlpdb:
 let
@@ -545,9 +546,7 @@ lib.recursiveUpdate orig rec {
   '';
 
   # RISC-V: https://github.com/LuaJIT/LuaJIT/issues/628
-  luajittex.binfiles = lib.optionals (
-    !(stdenv.hostPlatform.isPower && stdenv.hostPlatform.is64bit) && !stdenv.hostPlatform.isRiscV
-  ) orig.luajittex.binfiles;
+  luajittex.binfiles = lib.optionals (lib.meta.availableOn stdenv.hostPlatform luajit) orig.luajittex.binfiles;
 
   texdoc = {
     extraRevision = "-tlpdb${toString tlpdbVersion.revision}";