From 82de3ea0a00e13e3b01cc3cfa19c8aec7a9237e2 Mon Sep 17 00:00:00 2001
From: Emily <vcs@emily.moe>
Date: Tue, 9 Sep 2025 19:59:37 +0100
Subject: [PATCH] graphite2: fix build with CMake 4

---
 .../libraries/silgraphite/graphite2.nix          | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/pkgs/development/libraries/silgraphite/graphite2.nix b/pkgs/development/libraries/silgraphite/graphite2.nix
index 8e56d3b70dd4..5a25cb3571d7 100644
--- a/pkgs/development/libraries/silgraphite/graphite2.nix
+++ b/pkgs/development/libraries/silgraphite/graphite2.nix
@@ -53,6 +53,22 @@ stdenv.mkDerivation (finalAttrs: {
     # headers are located in the dev output:
     substituteInPlace CMakeLists.txt \
       --replace-fail ' ''${CMAKE_INSTALL_PREFIX}/include' " ${placeholder "dev"}/include"
+
+    # Fix the build with CMake 4.
+    #
+    # See: <https://github.com/silnrsi/graphite/issues/98>
+    badCmakeFiles=(
+      CMakeLists.txt
+      src/CMakeLists.txt
+      tests/{bittwiddling,json,sparsetest,utftest}/CMakeLists.txt
+      gr2fonttest/CMakeLists.txt
+    )
+    for file in "''${badCmakeFiles[@]}"; do
+      substituteInPlace "$file" \
+        --replace-fail \
+          'CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0 FATAL_ERROR)' \
+          'CMAKE_MINIMUM_REQUIRED(VERSION 3.10 FATAL_ERROR)'
+    done
   '';
 
   cmakeFlags = lib.optionals static [