From 69625e2ca493e7d0fd0ace8f713911835ff2d528 Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Wed, 10 Jul 2019 19:56:52 -0400
Subject: patches: Build with BusyBox < 1.22.0

---
(limited to 'patches')

diff --git a/patches/03_use-non-posix-sed-r.patch b/patches/03_use-non-posix-sed-r.patch
new file mode 100644
index 0000000..02c2e82
--- /dev/null
+++ b/patches/03_use-non-posix-sed-r.patch
@@ -0,0 +1,17 @@
+Author: Patrick McDermott <patrick.mcdermott@libiquity.com>
+Subject: Use non-POSIX sed -r
+
+BusyBox didn't support the POSIX -E option until version 1.22.0.
+
+diff -Naurp src.orig/scripts/headers_install.sh src/scripts/headers_install.sh
+--- src.orig/scripts/headers_install.sh	2019-06-24 23:36:02.000000000 -0400
++++ src/scripts/headers_install.sh	2019-07-10 19:52:42.152146074 -0400
+@@ -31,7 +31,7 @@ trap 'rm -f "$OUTDIR/$FILE" "$OUTDIR/$FI
+ for i in "$@"
+ do
+ 	FILE="$(basename "$i")"
+-	sed -E \
++	sed -r \
+ 		-e 's/([[:space:](])(__user|__force|__iomem)[[:space:]]/\1/g' \
+ 		-e 's/__attribute_const__([[:space:]]|$)/\1/g' \
+ 		-e 's@^#include <linux/compiler(|_types).h>@@' \
--
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