From 3cda8e0ac1bde697a408992fde68d63612ddd185 Mon Sep 17 00:00:00 2001
From: Yaroslav Bolyukin <iam@lach.pw>
Date: Sat, 25 Apr 2026 02:30:59 +0200
Subject: [PATCH] openvr: unbreak jsoncpp abi

Signed-off-by: Sefa Eyeoglu <contact@scrumplex.net>
---
 pkgs/by-name/op/openvr/package.nix | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/pkgs/by-name/op/openvr/package.nix b/pkgs/by-name/op/openvr/package.nix
index 65afa533f5b0..77f2baeaca4c 100644
--- a/pkgs/by-name/op/openvr/package.nix
+++ b/pkgs/by-name/op/openvr/package.nix
@@ -20,6 +20,13 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-xtCqro73fWQ6i0PiVmWYCK30DUSq1WeALoUolUjuWlE=";
   };
 
+  postUnpack = ''
+    # Move in-tree jsoncpp out to complement the patch above
+    # fetchpatch2 is not able to handle these renames
+    mkdir source/thirdparty
+    mv source/src/json source/thirdparty/jsoncpp
+  '';
+
   patches = [
     # https://github.com/ValveSoftware/openvr/pull/594
     (fetchpatch2 {
@@ -35,11 +42,10 @@ stdenv.mkDerivation (finalAttrs: {
     })
   ];
 
-  postUnpack = ''
-    # Move in-tree jsoncpp out to complement the patch above
-    # fetchpatch2 is not able to handle these renames
-    mkdir source/thirdparty
-    mv source/src/json source/thirdparty/jsoncpp
+  postPatch = ''
+    # Fix jsoncpp ABI for downstream packages
+    substituteInPlace CMakeLists.txt \
+      --replace-fail "-std=c++11" "-std=c++17"
   '';
 
   nativeBuildInputs = [