fix(compat.opencv): WITH_KLEIDICV=OFF too — drop the other arm64 NEON HAL

Carotene fix surfaced the next default-ON Apple-Silicon HAL: KleidiCV
(kleidicv::hal::*) undefined at consumer link. Disable both arm64 HALs so
core/imgproc use the baseline C++ path — no extra static HAL lib to link.

Author: Sunrisepeak

pkgs/c/compat.opencv.lua

@@ -302,11 +302,13 @@ local function _install_impl()
         "-DOPENCV_PYTHON_SKIP_DETECTION=ON",
         "-DBUILD_ZLIB=ON -DBUILD_PNG=ON -DBUILD_JPEG=ON",
         "-DWITH_PNG=ON -DWITH_JPEG=ON",
-        -- WITH_CAROTENE=OFF: on arm64 OpenCV's imgproc emits calls into the carotene
-        -- NEON HAL (libtegra_hal.a) that our curated link set doesn't carry, so the
-        -- consumer link fails with undefined carotene_o4t::* symbols. Off => imgproc
-        -- uses its baseline C++ path; no extra platform-specific static lib to link.
-        "-DWITH_CAROTENE=OFF",
+        -- Disable the arm64 NEON HALs (both default-ON on Apple Silicon): carotene
+        -- (libtegra_hal.a, carotene_o4t::*) and KleidiCV (kleidicv::hal::*). OpenCV's
+        -- core/imgproc emit direct calls into whichever HAL is enabled, but those
+        -- static HAL archives aren't in our curated link set, so the consumer link
+        -- fails with undefined HAL symbols. Off => baseline C++ path, no extra
+        -- platform-specific static lib to carry.
+        "-DWITH_CAROTENE=OFF -DWITH_KLEIDICV=OFF",
         "-DWITH_ADE=OFF -DWITH_IPP=OFF -DWITH_ITT=OFF -DWITH_TBB=OFF -DWITH_OPENMP=OFF",
         "-DWITH_OPENCL=OFF -DWITH_CUDA=OFF -DWITH_EIGEN=OFF -DWITH_PROTOBUF=OFF",
         "-DWITH_FFMPEG=OFF -DWITH_GTK=OFF -DWITH_QT=OFF -DWITH_GSTREAMER=OFF",