From 55eed57d5271c3b06c5bc549040b213cdcf610fa Mon Sep 17 00:00:00 2001
From: Jonathan Bauer
Date: Fri, 16 Nov 2018 15:45:15 +0100
Subject: [busybox] only apply Makefile fix if CC is set

---
 core/modules/busybox/module.build | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'core/modules/busybox')

diff --git a/core/modules/busybox/module.build b/core/modules/busybox/module.build
index e960849f..9214a484 100644
--- a/core/modules/busybox/module.build
+++ b/core/modules/busybox/module.build
@@ -15,7 +15,10 @@ fetch_source() {
 	if ! grep -q 'suspend.*"no"' "util-linux/rtcwake.c"; then
 		git apply "${MODULE_DIR}/rtcwake-compat.patch" || perror "Could not apply busybox patch for rtcwake compat with util-linux"
 	fi
-	sed -i -r 's/^CC\s*=\s*(\S)/CC ?= \1/' Makefile || perror "Could not patch Makefile"
+	# make sure Makefile allows a preset CC
+	if [ -n "$CC" ]; then
+		sed -i -r 's/^CC\s*=\s*(\S)/CC ?= \1/' Makefile || perror "Could not patch Makefile"
+	fi
 	cd .. || perror "cd .. failed"
 }
 
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