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138 lines
5.4 KiB
138 lines
5.4 KiB
#!/bin/bash
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# Bash script to assert that the current version of the NDK is at least the
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# specified version. Prints 'true' to standard out if it's the right version,
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# 'false' if it's not.
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#
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# Typically used like this, in your jni/Android.mk:
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#
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# ifneq ($(shell $(LOCAL_PATH)/assert_ndk_version.sh "r5c" "ndk-dir"), true)
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# $(error NDK version r5c or greater required)
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# endif
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#
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# See https://gist.github.com/2878774 for asserting SDK version.
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#
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# Retrieved from: https://gist.github.com/jorgenpt/1961404 on 2014-06-03.
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#
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# Copyright (c) 2012, Lookout, Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Author: jorgenpt@gmail.com (Jorgen Tjerno)
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# alexs.mac@gmail.com (Alex Stewart)
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# Extracts 'r5c' into '5 c', also handles newer versions of the form
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# 'r9d (64-bit)' and versions >= 10.
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function get_major_minor_rNx_style() {
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# r9d (64-bit) -> '9d', also handle versions >= 10.
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local version=$(echo "$1" | sed 's/r\([0-9]\{1,2\}[a-z]\{0,1\}\).*/\1/')
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local major=$(echo "$version" | sed 's/\([0-9]\{1,2\}\).*/\1/')
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local minor=$(echo "$version" | sed 's/^[0-9]*//')
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echo "$major $minor"
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}
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# Extracts the major and minor versions from the <NDK_ROOT>/source.properties
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# file and converts to the standard <NUMBER> <LETTER> format, e.g. 15 c.
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#
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# Usage: get_major_minor_from_source_properties <SOURCE_PROPERTIES_CONTENTS>
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function get_major_minor_from_source_properties() {
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# <NDK_ROOT>/source.properties contains (e.g. for r15c):
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#
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# Pkg.Desc = Android NDK
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# Pkg.Revision = 15.2.4203891
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#
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# match to 15 c
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version=$(echo $1 | sed 's/.*Pkg.Revision[[:space:]]*=[[:space:]]*//')
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declare -r major=$(echo $version | sed 's/\([0-9]\{1,2\}\).*/\1/')
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declare -r minor=$(echo $version | sed 's/\([0-9]\{1,2\}\)\.\([0-9]\{1,2\}\).*/\2/')
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declare -r patch=$(echo $version | sed 's/\([0-9]\{1,2\}\)\.\([0-9]\{1,2\}\)\.\([0-9]*\)/\3/')
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# Convert numeric minor version to letter version, e.g: 0 -> a, 1 -> b, 2 -> c etc.
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minor_letter_ascii_code=$(($minor + 97)) # 97 = 'a' in ASCII.
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minor_letter=($(printf "\\$(printf %o "$minor_letter_ascii_code")"))
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echo "$major $minor_letter"
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}
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if [[ -z "$2" ]]; then
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echo "Usage: $0 <required version> <NDK_ROOT>" >&2
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echo " For example: $0 r5c android-ndk-r9d" >&2
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exit 1
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fi
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# Assert that the expected version is at least 4.
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declare -a expected_version
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expected_version=( $(get_major_minor_rNx_style "$1") )
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if [[ ${expected_version[0]} -le 4 ]]; then
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echo "Cannot test for versions less than r5: r4 doesn't have a version file." >&2
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echo false
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exit 1
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fi
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# NDK versions <= r4 did not have RELEASE.TXT, nor do versions >= r11, where it was
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# replaced by source.properties. As we just asserted that we are looking for >= r5
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# if RELEASE.TXT is not present, source.properties should be.
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declare -r release_file="$2/RELEASE.TXT"
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declare -r source_properties_file="$2/source.properties"
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declare -a actual_version
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if [ ! -s "$release_file" ]; then
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if [ ! -s "$source_properties_file" ]; then
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echo "ERROR: Failed to find either RELEASE.TXT or source.properties in NDK_ROOT=$2" >&2
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echo false
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exit 1
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fi
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# NDK version >= r11.
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if [ ! -s "$source_properties_file" ]; then
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echo "ERROR: Failed to find source.properties file in NDK_ROOT=$1" >&2
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echo false
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exit 1
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fi
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source_properties=$(<"$source_properties_file")
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actual_version=($(get_major_minor_from_source_properties "$source_properties"))
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if [ -z "$source_properties" ] || [ -z "${actual_version[0]}" ]; then
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echo "ERROR: Invalid source.properties: $(cat $source_properties_file)" >&2
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echo false
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exit 1
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fi
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else
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# NDK version >= r5 && < r11.
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version=$(grep '^r' $release_file)
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actual_version=( $(get_major_minor_rNx_style "$version") )
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if [ -z "$version" ] || [ -z "${actual_version[0]}" ]; then
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echo "ERROR: Invalid RELEASE.TXT: $(cat $release_file)" >&2
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echo false
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exit 1
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fi
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fi
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if [[ ${actual_version[0]} -lt ${expected_version[0]} ]]; then
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echo "false"
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elif [[ ${actual_version[0]} -eq ${expected_version[0]} ]]; then
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# This uses < and not -lt because they're string identifiers (a, b, c, etc)
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if [[ "${actual_version[1]}" < "${expected_version[1]}" ]]; then
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echo "false"
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else
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echo "true"
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fi
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else
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echo "true"
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fi
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