From 4f7501e1e8052affffa8a2922d55420118a072ed Mon Sep 17 00:00:00 2001
From: myoualid <bosonprojets@gmail.com>
Date: Sun, 28 Sep 2025 21:56:27 +0100
Subject: [PATCH] set Eigen3 path for WASM build to avoid find_package issues
 following commit 235eb3c83ca731e94ced4e08763dde61cd4be473

---
 nix/build-all.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/nix/build-all.py b/nix/build-all.py
index cd11958c3b..ddd6065a88 100644
--- a/nix/build-all.py
+++ b/nix/build-all.py
@@ -1243,6 +1243,8 @@ if "wasm" in flags:
     # Boost is built by the build script so should not be found
     # inside of the sysroot set by the emscriptem toolchain
     cmake_args.append("-DWASM_BUILD=On")
+    # set Eigen3 path for WASM to avoid find_package issues
+    cmake_args.append(f"-DEIGEN_DIR={DEPS_DIR}/install/eigen-install-{EIGEN_VERSION}/include/eigen3")
 
 schemas = os.environ.get("IFCOS_SCHEMAS")
 if schemas: