From b195b40fb0e32e7bb1574b144f7222d939ede3df Mon Sep 17 00:00:00 2001
From: Aaron Jheng <wentworth@outlook.com>
Date: Sun, 7 Jun 2026 17:15:55 +0800
Subject: [PATCH] ollama: fix darwin build by disabling MLX backends

MLX backends require xcrun metal/metalib which are unavailable in the
Nix sandbox. Pass -DOLLAMA_MLX_BACKENDS="" to cmake to skip the
Metal toolchain check. Core Metal/llama.cpp backend is unaffected.
---
 pkgs/by-name/ol/ollama/package.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/by-name/ol/ollama/package.nix b/pkgs/by-name/ol/ollama/package.nix
index dc4acb7722d8..c805568a0a0e 100644
--- a/pkgs/by-name/ol/ollama/package.nix
+++ b/pkgs/by-name/ol/ollama/package.nix
@@ -301,6 +301,7 @@ goBuild (finalAttrs: {
         -DCMAKE_SKIP_BUILD_RPATH=ON \
         -DCMAKE_BUILD_WITH_INSTALL_RPATH=ON \
         -DFETCHCONTENT_SOURCE_DIR_LLAMA_CPP="$TMPDIR/llama-cpp-src" \
+        -DOLLAMA_MLX_BACKENDS="" \
         ${cmakeFlagsCudaArchitectures} \
         ${cmakeFlagsRocmTargets} \
         ${cmakeFlagsBackend}