From 56fb2a1fa34d0e9393c5cb37fe89a433a792fd44 Mon Sep 17 00:00:00 2001
From: Leona Maroni <dev@leona.is>
Date: Sat, 20 Dec 2025 15:26:44 +0100
Subject: [PATCH] texlive.bin.dvisvgm: fix build with gcc15

---
 pkgs/tools/typesetting/tex/texlive/bin.nix | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/pkgs/tools/typesetting/tex/texlive/bin.nix b/pkgs/tools/typesetting/tex/texlive/bin.nix
index d6cc70a64c0f..40f1596302fe 100644
--- a/pkgs/tools/typesetting/tex/texlive/bin.nix
+++ b/pkgs/tools/typesetting/tex/texlive/bin.nix
@@ -585,6 +585,18 @@ rec {
       "--with-ttfautohint"
     ];
 
+    # GCC15 compataiblity patches
+    patches = [
+      (fetchpatch {
+        url = "https://github.com/mgieseki/dvisvgm/commit/ebf66e3f59edf89e9d2b4fb7973b859e185eb034.patch";
+        hash = "sha256-5dppK9saWOuIH4Pmv7Zk9vrRc81oK8qKZqkwCuOQhaY=";
+      })
+      (fetchpatch {
+        url = "https://github.com/mgieseki/dvisvgm/commit/dcb5940dff7ca3084330119a4ff1472cd52ef6de.patch";
+        hash = "sha256-rGTFeeLaWIon4O16x1wFxb3Wr020HdUR3BgrqB5r864=";
+      })
+    ];
+
     # PDF handling requires mutool (from mupdf) since Ghostscript 10.01
     postPatch = ''
       substituteInPlace src/PDFHandler.cpp \