From 97848c05cedd1ebdc0a4256861cc25eda1d92fc5 Mon Sep 17 00:00:00 2001
From: "patchback[bot]" <45432694+patchback[bot]@users.noreply.github.com>
Date: Thu, 9 Dec 2021 02:45:35 +0000
Subject: [PATCH] [PR #6400/e1ed247d backport][3.9] Do not install C sources in
 binary distributions (#6403)

Co-authored-by: Ben Beasley <code@musicinmybrain.net>
---
 CHANGES/6399.misc | 1 +
 setup.cfg         | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)
 create mode 100644 CHANGES/6399.misc

diff --git a/CHANGES/6399.misc b/CHANGES/6399.misc
new file mode 100644
index 00000000000..beaeafbea61
--- /dev/null
+++ b/CHANGES/6399.misc
@@ -0,0 +1 @@
+Do not install C sources with binary distributions.
diff --git a/setup.cfg b/setup.cfg
index 4b29fcc4375..541c1788627 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -59,6 +59,11 @@ install_requires =
   frozenlist >= 1.1.1
   aiosignal >= 1.1.2
 
+[options.exclude_package_data]
+* =
+    *.c
+    *.h
+
 [options.extras_require]
 speedups =
   aiodns
@@ -74,7 +79,6 @@ exclude =
 # https://setuptools.readthedocs.io/en/latest/setuptools.html#options
 # (see notes for the asterisk/`*` meaning)
 * =
-#    *.c
     *.so
 
 [pep8]