From 8352cf9177a60ca6844b1dc7bc7905bf344db815 Mon Sep 17 00:00:00 2001
From: Uxsshann <usattha@gmail.com>
Date: Wed, 27 May 2026 09:45:39 +0530
Subject: [PATCH] fix: use system OpenBLAS on Windows

---
 v2/Cargo.toml                              |  1 -
 v2/crates/wifi-densepose-signal/Cargo.toml | 10 ++++++++--
 2 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/v2/Cargo.toml b/v2/Cargo.toml
index 8339190f..3e6be53c 100644
--- a/v2/Cargo.toml
+++ b/v2/Cargo.toml
@@ -97,7 +97,6 @@ tracing-subscriber = { version = "0.3", features = ["env-filter", "json"] }
 
 # Signal processing
 ndarray = { version = "0.17", features = ["serde"] }
-ndarray-linalg = { version = "0.18", features = ["openblas-static"] }
 rustfft = "6.1"
 num-complex = "0.4"
 num-traits = "0.2"
diff --git a/v2/crates/wifi-densepose-signal/Cargo.toml b/v2/crates/wifi-densepose-signal/Cargo.toml
index 4294c4a1..2ec56449 100644
--- a/v2/crates/wifi-densepose-signal/Cargo.toml
+++ b/v2/crates/wifi-densepose-signal/Cargo.toml
@@ -15,7 +15,7 @@ readme = "README.md"
 default = ["eigenvalue"]
 ## Enable eigenvalue-based person counting (requires BLAS via ndarray-linalg).
 ## Disable with --no-default-features to use the diagonal fallback instead.
-eigenvalue = ["ndarray-linalg"]
+eigenvalue = ["dep:ndarray-linalg"]
 
 [dependencies]
 # Core utilities
@@ -26,7 +26,7 @@ chrono = { version = "0.4", features = ["serde"] }
 
 # Signal processing
 ndarray = { workspace = true }
-ndarray-linalg = { workspace = true, optional = true }
+ndarray-linalg = { version = "0.18", optional = true, default-features = false }
 rustfft.workspace = true
 num-complex.workspace = true
 num-traits.workspace = true
@@ -59,3 +59,9 @@ harness = false
 [[bench]]
 name = "aether_prefilter_bench"
 harness = false
+
+[target.'cfg(windows)'.dependencies]
+ndarray-linalg = { version = "0.18", features = ["openblas-system"] }
+
+[target.'cfg(not(windows))'.dependencies]
+ndarray-linalg = { version = "0.18", features = ["openblas-static"] }