From fa8a2f3f144e39e71da0216e53a92bb6cf59689e Mon Sep 17 00:00:00 2001
From: Michael Forney <mforney@mforney.org>
Date: Fri, 5 Jun 2020 02:57:03 -0700
Subject: libgpiod: Disable overflow warning for ioctl request code

musl declares ioctl to have an int request code, so some requests
might cause signed integer overflow, but will behave as expected.
---
 pkg/libgpiod/gen.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkg/libgpiod/gen.lua b/pkg/libgpiod/gen.lua
index 02c2d1b6..6eb34ec3 100644
--- a/pkg/libgpiod/gen.lua
+++ b/pkg/libgpiod/gen.lua
@@ -1,5 +1,6 @@
 cflags{
 	'-std=c99', '-Wall', '-Wextra', '-Wpedantic',
+	'-Wno-overflow',  -- ioctl opcode conversion
 	'-I $srcdir/include',
 	'-isystem $builddir/pkg/linux-headers/include',
 	'-include $dir/config.h',
-- 
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