From cdd2f4f74121794d3681638bf38bc4871921d2b8 Mon Sep 17 00:00:00 2001
From: "Jason A. Donenfeld" <Jason@zx2c4.com>
Date: Sat, 3 Aug 2019 13:45:14 +0200
Subject: compat: do not run bc on clean target

Certain targets don't define CONFIG_*, which means this bc command was
previously failing.
---
 src/compat/Kbuild.include | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/compat')

diff --git a/src/compat/Kbuild.include b/src/compat/Kbuild.include
index 1b555f8..7404992 100644
--- a/src/compat/Kbuild.include
+++ b/src/compat/Kbuild.include
@@ -47,9 +47,11 @@ ccflags-y += -include $(kbuild-dir)/compat/memneq/include.h
 wireguard-y += compat/memneq/memneq.o
 endif
 
+ifdef CONFIG_HZ
 ifeq ($(wildcard $(srctree)/include/generated/timeconst.h),)
 ccflags-y += $(shell echo 'define gcd(a,b){auto t;while(b){t=b;b=a%b;a=t;};return a;};hz=$(CONFIG_HZ);cd=gcd(hz,1000000);print "-DHZ_TO_USEC_NUM=",1000000/cd," -DHZ_TO_USEC_DEN=",hz/cd;halt;' | bc -q)
 endif
+endif
 
 ifeq ($(wildcard $(srctree)/arch/arm/include/asm/neon.h)$(CONFIG_ARM),y)
 ccflags-y += -I$(kbuild-dir)/compat/neon-arm/include
-- 
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