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From: Uwe Kleine-König <uwe@kleine-koenig.org>
Date: Tue, 12 Feb 2019 21:15:05 +0100
Subject: [PATCH] honor CFLAGS from environment
Debian build scripts pass CFLAGS in the environment. To honor these only set
CFLAGS to "-O2 -g" if CFLAGS is unset. The warnings in the following line
are added unconditionally. This makes sparse builds reproducible.
Signed-off-by: Uwe Kleine-König <uwe@kleine-koenig.org>
Forwarded: https://marc.info/?l=linux-sparse&m=155000004520068&w=2
---
Makefile | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 025bce296cdf..da0c6f3578d2 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ OS = linux
CC = gcc
-CFLAGS = -O2 -g
+CFLAGS ?= -O2 -g
CFLAGS += -Wall -Wwrite-strings
LD = $(CC)
AR = ar
--
2.20.1
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