From 3d3fce9b8b927a817b89dd78a60b5cf7d978f64c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sebastian=20Dr=C3=B6ge?= <sebastian@centricular.com>
Date: Tue, 16 Sep 2014 12:28:47 +0300
Subject: [PATCH 4/4] Remove clang unsupported compiler flags

---
 configure.ac | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

--- a/configure.ac
+++ b/configure.ac
@@ -124,70 +124,7 @@ done
 
 if test "$GCC" = yes
 then
-    if test -z "$arch"
-    then
-	case "$host" in
-	    i386-*)           ;;
-	    i?86-*)           arch="-march=i486" ;;
-	    arm*-empeg-*)     arch="-march=armv4 -mtune=strongarm1100" ;;
-	    armv4*-*)         arch="-march=armv4 -mtune=strongarm" ;;
-	    powerpc-*)        ;;
-	    mips*-agenda-*)   arch="-mcpu=vr4100" ;;
-	    mips*-luxsonor-*) arch="-mips1 -mcpu=r3000 -Wa,-m4010" ;;
-	esac
-    fi
-
-    case "$optimize" in
-	-O|"-O "*)
-	    optimize="-O"
-	    optimize="$optimize -fforce-addr"
-	    : #x optimize="$optimize -finline-functions"
-	    : #- optimize="$optimize -fstrength-reduce"
-	    optimize="$optimize -fthread-jumps"
-	    optimize="$optimize -fcse-follow-jumps"
-	    optimize="$optimize -fcse-skip-blocks"
-	    : #x optimize="$optimize -frerun-cse-after-loop"
-	    : #x optimize="$optimize -frerun-loop-opt"
-	    : #x optimize="$optimize -fgcse"
-	    optimize="$optimize -fexpensive-optimizations"
-	    optimize="$optimize -fregmove"
-	    : #* optimize="$optimize -fdelayed-branch"
-	    : #x optimize="$optimize -fschedule-insns"
-	    optimize="$optimize -fschedule-insns2"
-	    : #? optimize="$optimize -ffunction-sections"
-	    : #? optimize="$optimize -fcaller-saves"
-	    : #> optimize="$optimize -funroll-loops"
-	    : #> optimize="$optimize -funroll-all-loops"
-	    : #x optimize="$optimize -fmove-all-movables"
-	    : #x optimize="$optimize -freduce-all-givs"
-	    : #? optimize="$optimize -fstrict-aliasing"
-	    : #* optimize="$optimize -fstructure-noalias"
-
-	    case "$host" in
-		arm*-*)
-		    optimize="$optimize -fstrength-reduce"
-		    ;;
-		mips*-*)
-		    optimize="$optimize -fstrength-reduce"
-		    optimize="$optimize -finline-functions"
-		    ;;
-		i?86-*)
-		    optimize="$optimize -fstrength-reduce"
-		    ;;
-		powerpc-apple-*)
-		    # this triggers an internal compiler error with gcc2
-		    : #optimize="$optimize -fstrength-reduce"
-
-		    # this is really only beneficial with gcc3
-		    : #optimize="$optimize -finline-functions"
-		    ;;
-		*)
-		    # this sometimes provokes bugs in gcc 2.95.2
-		    : #optimize="$optimize -fstrength-reduce"
-		    ;;
-	    esac
-	    ;;
-    esac
+	optimize="-O2"
 fi
 
 case "$host" in
