Blame SOURCES/Makefile-Default-to-O2-optimization1.patch

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From 17d80e6eb64230593ee8d599b94005d303eb58ae Mon Sep 17 00:00:00 2001
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From: Jes Sorensen <jsorensen@fb.com>
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Date: Fri, 21 Apr 2017 12:06:35 -0400
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Subject: [RHEL7.5 PATCH 091/169] Makefile: Default to -O2 optimization
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Signed-off-by: Jes Sorensen <jsorensen@fb.com>
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---
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 Makefile | 1 +
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 1 file changed, 1 insertion(+)
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diff --git a/Makefile b/Makefile
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index 5655812..6850696 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -30,6 +30,7 @@
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 # define "CXFLAGS" to give extra flags to CC.
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 # e.g.  make CXFLAGS=-O to optimise
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+CXFLAGS ?=-O2
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 TCC = tcc
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 UCLIBC_GCC = $(shell for nm in i386-uclibc-linux-gcc i386-uclibc-gcc; do which $$nm > /dev/null && { echo $$nm ; exit; } ; done; echo false No uclibc found )
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 #DIET_GCC = diet gcc
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-- 
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2.7.4
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