From fd9515eb855c30bbc2e87f3b5710a385187652d2 Mon Sep 17 00:00:00 2001
From: Andreas Kloeckner <inform@tiker.net>
Date: Wed, 16 Feb 2022 19:02:09 -0600
Subject: [PATCH] Document what PYOPENCL_HOME is for

---
 pyopencl/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pyopencl/__init__.py b/pyopencl/__init__.py
index afc30070..bf09cf55 100644
--- a/pyopencl/__init__.py
+++ b/pyopencl/__init__.py
@@ -30,6 +30,10 @@ import pyopencl.cltypes  # noqa: F401
 import logging
 logger = logging.getLogger(__name__)
 
+# This supports ocl-icd find shipped OpenCL ICDs, cf.
+# https://github.com/isuruf/ocl-icd/commit/3862386b51930f95d9ad1089f7157a98165d5a6b
+# via
+# https://github.com/inducer/pyopencl/blob/0b3d0ef92497e6838eea300b974f385f94cb5100/scripts/build-wheels.sh#L43-L44
 import os
 os.environ["PYOPENCL_HOME"] = os.path.dirname(os.path.abspath(__file__))
 
-- 
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