From 3d3fce9b8b927a817b89dd78a60b5cf7d978f64c Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
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Date: Tue, 16 Sep 2014 12:28:47 +0300
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Subject: [PATCH 4/4] Remove clang unsupported compiler flags
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---
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configure.ac | 12 ++++++------
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1 file changed, 6 insertions(+), 6 deletions(-)
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--- a/configure.ac
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+++ b/configure.ac
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@@ -124,70 +124,7 @@ done
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if test "$GCC" = yes
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then
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- if test -z "$arch"
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- then
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- case "$host" in
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- i386-*) ;;
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- i?86-*) arch="-march=i486" ;;
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- arm*-empeg-*) arch="-march=armv4 -mtune=strongarm1100" ;;
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- armv4*-*) arch="-march=armv4 -mtune=strongarm" ;;
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- powerpc-*) ;;
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- mips*-agenda-*) arch="-mcpu=vr4100" ;;
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- mips*-luxsonor-*) arch="-mips1 -mcpu=r3000 -Wa,-m4010" ;;
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- esac
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- fi
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-
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- case "$optimize" in
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- -O|"-O "*)
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- optimize="-O"
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- optimize="$optimize -fforce-addr"
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- : #x optimize="$optimize -finline-functions"
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- : #- optimize="$optimize -fstrength-reduce"
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- optimize="$optimize -fthread-jumps"
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- optimize="$optimize -fcse-follow-jumps"
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- optimize="$optimize -fcse-skip-blocks"
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- : #x optimize="$optimize -frerun-cse-after-loop"
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- : #x optimize="$optimize -frerun-loop-opt"
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- : #x optimize="$optimize -fgcse"
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- optimize="$optimize -fexpensive-optimizations"
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- optimize="$optimize -fregmove"
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- : #* optimize="$optimize -fdelayed-branch"
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- : #x optimize="$optimize -fschedule-insns"
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- optimize="$optimize -fschedule-insns2"
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- : #? optimize="$optimize -ffunction-sections"
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- : #? optimize="$optimize -fcaller-saves"
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- : #> optimize="$optimize -funroll-loops"
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- : #> optimize="$optimize -funroll-all-loops"
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- : #x optimize="$optimize -fmove-all-movables"
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- : #x optimize="$optimize -freduce-all-givs"
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- : #? optimize="$optimize -fstrict-aliasing"
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- : #* optimize="$optimize -fstructure-noalias"
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-
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- case "$host" in
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- arm*-*)
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- optimize="$optimize -fstrength-reduce"
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- ;;
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- mips*-*)
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- optimize="$optimize -fstrength-reduce"
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- optimize="$optimize -finline-functions"
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- ;;
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- i?86-*)
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- optimize="$optimize -fstrength-reduce"
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- ;;
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- powerpc-apple-*)
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- # this triggers an internal compiler error with gcc2
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- : #optimize="$optimize -fstrength-reduce"
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-
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- # this is really only beneficial with gcc3
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- : #optimize="$optimize -finline-functions"
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- ;;
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- *)
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- # this sometimes provokes bugs in gcc 2.95.2
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- : #optimize="$optimize -fstrength-reduce"
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- ;;
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- esac
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- ;;
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- esac
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+ optimize="-O2"
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fi
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case "$host" in
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