From 9078f197633c365fda4009dfb79cc4e4fc2df9ae Mon Sep 17 00:00:00 2001
From: Dylan Araps <dylan.araps@gmail.com>
Date: Thu, 19 Nov 2020 11:32:27 +0200
Subject: [PATCH] busybox: Set CC fallback once

---
 core/busybox/build | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/core/busybox/build b/core/busybox/build
index 474d019b..a0d907e4 100755
--- a/core/busybox/build
+++ b/core/busybox/build
@@ -5,18 +5,18 @@ for patch in *.patch; do
 done
 
 # Remove forced gcc/g++ usage so builds work on gcc-less systems.
-sed -i "s#= g[c+][c+]#= ${CC:-cc}#g" Makefile
-sed -i "s#\(\$(CROSS_COMPILE)\)gcc#\1${CC:-cc}#g" Makefile
+sed -i "s#= g[c+][c+]#= ${CC:=cc}#g" Makefile
+sed -i "s#\(\$(CROSS_COMPILE)\)gcc#\1${CC}#g" Makefile
 
 # Ensure that busybox's build system is aware that 'cc' may point
 # to clang rather than GCC. This is the case in non-GCC systems.
-case $("${CC:-cc}" --version) in (*clang*)
-    sed -i "s&\(\$(CC),\)clang&\1$CC&g" Makefile.flags
+case $("$CC" --version) in (*clang*)
+    sed -i "s&\(\$(CC),\)clang&\1${CC}&g" Makefile.flags
 esac
 
 # Build and install regular busybox.
 # This excludes utilities which require 'suid' to function.
-make CC="${CC:-cc}" HOSTCC="${CC:-cc}"
+make CC="$CC" HOSTCC="$CC"
 make CONFIG_PREFIX="$1/usr" install
 
 # Rename the binary temporarily.
@@ -25,7 +25,7 @@ mv "$1/usr/bin/busybox" "$1/usr/bin/busybox-nosuid"
 # Build and install suid busybox.
 # This _only_ includes utlities which require 'suid' to function.
 cp -f .config-suid .config
-make CC="${CC:-cc}" HOSTCC="${CC:-cc}"
+make CC="$CC" HOSTCC="$CC"
 make CONFIG_PREFIX="$1/usr" install
 
 # Aptly name the busybox binaries.