--- configure.ac	2013-12-01 21:31:58.462322949 +0100
+++ configure.ac	2013-12-01 21:30:38.670319304 +0100
@@ -35,7 +35,6 @@
 AC_CHECK_TOOL([HOST_RANLIB], [ranlib], :)
 AC_CHECK_TOOL([HOST_AR], [ar], :)
 
-AC_CHECK_HEADERS([llvm-c/lto.h], [], [AC_MSG_ERROR([*** lto.h not found, Please install llvm dev packages according to your system])])
 AC_CHECK_HEADERS([openssl/md5.h], [], [AC_MSG_ERROR([*** md5.h not found, Please install ssl dev packages according to your system])])
 AC_CHECK_HEADERS([uuid/uuid.h], [], [AC_MSG_ERROR([*** uuid.h not found, Please install uuid dev packages according to your system])])
 
@@ -189,29 +188,6 @@
 AC_C_BIGENDIAN([AC_SUBST([ENDIAN_FLAG],[-D__BIG_ENDIAN__=1])],
 			[AC_SUBST([ENDIAN_FLAG],[-D__LITTLE_ENDIAN__=1])])
 
-# Check LTO
-AC_CHECK_PROG(HAVE_LLVM_CONFIG, llvm-config, true, false)
-
-if test "x$HAVE_LLVM_CONFIG" = "xfalse"; then
-        AC_CHECK_PROG(HAVE_LLVM_CONFIG_32, llvm-config-3.2, true, false)
-        if test "x$HAVE_LLVM_CONFIG_32" = "xfalse"; then
-                AC_MSG_ERROR([llvm-config or llvm-config-3.2 not found on your system,please install related packages])
-        else
-	        LLVM_LIBDIR=`llvm-config-3.2 --libdir`
-        	if test -f $LLVM_LIBDIR/libLTO.so;then
-                	LTO_LIBS="-L`llvm-config-3.2 --libdir` -lLTO"
-                	LTO_DEFS="-DLTO_SUPPORT=1"
-        	fi
-        fi
-else
-        LLVM_LIBDIR=`llvm-config --libdir`
-        if test -f $LLVM_LIBDIR/libLTO.so;then
-                LTO_LIBS="-L`llvm-config --libdir` -lLTO"
-                LTO_DEFS="-DLTO_SUPPORT=1"
-        fi
-fi
-
-
 AC_SUBST(LTO_LIBS)
 AC_SUBST(LTO_DEFS)