From f41e5ca56e8a864687780e038c51d762b6ed6ebe Mon Sep 17 00:00:00 2001
From: Sam Estep <sam@samestep.com>
Date: Thu, 30 Jul 2026 10:06:46 -0400
Subject: [PATCH 1/2] binaryen: make doCheck test more correct

Assisted-by: Claude:opus-5
---
 pkgs/development/compilers/binaryen/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/binaryen/default.nix b/pkgs/development/compilers/binaryen/default.nix
index 8bc21cff7a10..22ce5575fcfd 100644
--- a/pkgs/development/compilers/binaryen/default.nix
+++ b/pkgs/development/compilers/binaryen/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   strictDeps = true;
 
   preConfigure = ''
-    if [ $doCheck -eq 1 ]; then
+    if [ -n "$doCheck" ]; then
       sed -i '/gtest/d' third_party/CMakeLists.txt
       rmdir test/spec/testsuite
       ln -s ${testsuite} test/spec/testsuite

From 2acf70a4e29bf7327a7a0e1630cc562d8d3e6086 Mon Sep 17 00:00:00 2001
From: Sam Estep <sam@samestep.com>
Date: Wed, 29 Jul 2026 20:32:36 +0000
Subject: [PATCH 2/2] binaryen: omit binaryen-unittests in non-cross too

Assisted-by: Claude:opus-5
---
 pkgs/development/compilers/binaryen/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/compilers/binaryen/default.nix b/pkgs/development/compilers/binaryen/default.nix
index 22ce5575fcfd..8868590af83f 100644
--- a/pkgs/development/compilers/binaryen/default.nix
+++ b/pkgs/development/compilers/binaryen/default.nix
@@ -62,6 +62,14 @@ stdenv.mkDerivation rec {
     LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$PWD/lib python3 ../check.py $tests
   '';
 
+  # bin/binaryen-unittests is absent on cross builds which don't have doCheck,
+  # so delete it on non-cross builds too (thus removing gtest from the closure).
+  postInstall = ''
+    if [ -n "$doCheck" ]; then
+      rm "$out/bin/binaryen-unittests"
+    fi
+  '';
+
   tests = [
     "version"
     "wasm-opt"