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From 5b3c8e9950262fc941bb5b3b3a1275720d47d62d Mon Sep 17 00:00:00 2001
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From: Jean Delvare <jdelvare@suse.de>
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Date: Fri, 17 Apr 2020 17:14:15 +0200
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Subject: [PATCH 23/23] Allow overriding build settings from the environment
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Let packagers pass their own CC, CFLAGS and LDFLAGS settings. The
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settings which are specific to dmidecode are appended later so that
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they are applied no matter what.
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This should fix bug #55805:
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https://savannah.nongnu.org/bugs/?55805
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Signed-off-by: Jean Delvare <jdelvare@suse.de>
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---
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Makefile | 17 +++++++++--------
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1 file changed, 9 insertions(+), 8 deletions(-)
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diff --git a/Makefile b/Makefile
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index 194a523bdb46..7aa729d8ca01 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -12,8 +12,13 @@
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# (at your option) any later version.
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#
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-CC = gcc
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-CFLAGS = -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
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+CC ?= gcc
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+# Base CFLAGS can be overridden by environment
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+CFLAGS ?= -O2
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+# When debugging, disable -O2 and enable -g
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+#CFLAGS ?= -g
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+
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+CFLAGS += -W -Wall -Wshadow -Wstrict-prototypes -Wpointer-arith -Wcast-qual \
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-Wcast-align -Wwrite-strings -Wmissing-prototypes -Winline -Wundef
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# Let lseek and mmap support 64-bit wide offsets
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@@ -22,12 +27,8 @@ CFLAGS += -D_FILE_OFFSET_BITS=64
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#CFLAGS += -DBIGENDIAN
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#CFLAGS += -DALIGNMENT_WORKAROUND
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-# When debugging, disable -O2 and enable -g.
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-CFLAGS += -O2
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-#CFLAGS += -g
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-
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-# Pass linker flags here
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-LDFLAGS =
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+# Pass linker flags here (can be set from environment too)
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+LDFLAGS ?=
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DESTDIR =
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prefix = /usr/local
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--
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2.17.1
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