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#!/bin/bash
# Copyright (c) 2014 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
set -e
# `xcodebuild -version` output looks like
# Xcode 4.6.3
# Build version 4H1503
# or like
# Xcode 4.2
# Build version 4C199
# or like
# Xcode 3.2.6
# Component versions: DevToolsCore-1809.0; DevToolsSupport-1806.0
# BuildVersion: 10M2518
# Convert that to '0463', '0420' and '0326' respectively.
function xcodeversion() {
xcodebuild -version | awk '/Xcode ([0-9]+\.[0-9]+(\.[0-9]+)?)/ {
version = $2
gsub(/\./, "", version)
if (length(version) < 3) {
version = version "0"
}
if (length(version) < 4) {
version = "0" version
}
}
END { print version }'
}
# Returns true if |string1| is smaller than |string2|.
# This function assumes that both strings represent Xcode version numbers
# as returned by |xcodeversion|.
function smaller() {
local min="$(echo -ne "${1}\n${2}\n" | sort -n | head -n1)"
test "${min}" != "${2}"
}
if [[ "$(xcodeversion)" < "0500" ]]; then
# Xcode version is older than 5.0, check that SDKROOT is set but empty.
[[ -z "${SDKROOT}" && -z "${SDKROOT-_}" ]]
else
# Xcode version is newer than 5.0, check that SDKROOT is set.
[[ "${SDKROOT}" == "$(xcodebuild -version -sdk '' Path)" ]]
fi
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