ICU 56 step 6: Check in the pre-built ICU data

scripts/make_mac_assembly.sh

 #!/bin/bash
 # Copyright (c) 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-ICUROOT="$(dirname $0)/.."
+ICUROOT="$(dirname "$0")/.."
 LINUX_SOURCE="${ICUROOT}/linux/icudtl_dat.S"
 MAC_SOURCE="${ICUROOT}/mac/icudtl_dat.S"
 
+echo "Generating ${MAC_SOURCE} from ${LINUX_SOURCE}"
+
 # Linux uses 'icudt${MAJOR VERSION}_dat' while Mac has "_" prepended to it.
 ICUDATA_SYMBOL="_$(head -1 ${LINUX_SOURCE} | cut -d ' ' -f 2)"
 
 cat > ${MAC_SOURCE} <<PREAMBLE
 .globl ${ICUDATA_SYMBOL}
 #ifdef U_HIDE_DATA_SYMBOL
        .private_extern ${ICUDATA_SYMBOL}
 #endif
        .data
        .const
        .align 4
 ${ICUDATA_SYMBOL}:
 PREAMBLE
 
 PREAMBLE_LENGTH=$(($(egrep -n '^icudt' ${LINUX_SOURCE} | cut -d : -f 1) + 1))
 tail -n +${PREAMBLE_LENGTH} ${LINUX_SOURCE} >> ${MAC_SOURCE}
+echo "Done with generating ${MAC_SOURCE}"