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Diffstat (limited to 'jni/assert_ndk_version.sh')
| -rwxr-xr-x | jni/assert_ndk_version.sh | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/jni/assert_ndk_version.sh b/jni/assert_ndk_version.sh new file mode 100755 index 0000000..0704492 --- /dev/null +++ b/jni/assert_ndk_version.sh @@ -0,0 +1,100 @@ +#!/bin/bash + +# Bash script to assert that the current version of the NDK is at least the +# specified version. Prints 'true' to standard out if it's the right version, +# 'false' if it's not. +# +# Typically used like this, in your jni/Android.mk: +# +# ifneq ($(shell $(LOCAL_PATH)/assert_ndk_version.sh "r5c" "ndk-dir"), true) +# $(error NDK version r5c or greater required) +# endif +# +# See https://gist.github.com/2878774 for asserting SDK version. +# +# Retrieved from: https://gist.github.com/jorgenpt/1961404 on 2014-06-03. +# +# Copyright (c) 2012, Lookout, Inc. All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions are met: +# +# 1. Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED +# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR +# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR +# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, +# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, +# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; +# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR +# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF +# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Author: jorgenpt@gmail.com (Jorgen Tjerno) +# alexs.mac@gmail.com (Alex Stewart) + +# Extracts 'r5c' into '5 c', also handles newer versions of the form +# 'r9d (64-bit)' and versions >= 10. +function get_major_minor() { + # r9d (64-bit) -> '9d', also handle versions >= 10. + local version=$(echo "$1" | sed 's/r\([0-9]\{1,2\}[a-z]\{0,1\}\).*/\1/') + local major=$(echo "$version" | sed 's/\([0-9]\{1,2\}\).*/\1/') + local minor=$(echo "$version" | sed 's/^[0-9]*//') + echo "$major $minor" +} + +if [[ -z "$2" ]]; then + echo "Usage: $0 <required version> <NDK_ROOT>" >&2 + echo " For example: $0 r5c android-ndk-r9d" >&2 + exit 1 +fi + +# Assert that the expected version is at least 4. +declare -a expected_version +expected_version=( $(get_major_minor "$1") ) +if [[ ${expected_version[0]} -le 4 ]]; then + echo "Cannot test for versions less than r5: r4 doesn't have a version file." >&2 + echo false + exit 1 +fi + +release_file="$2/RELEASE.TXT" + +# NDK version r4 or earlier doesn't have a RELEASE.txt, and we just asserted +# that the person was looking for r5 or above, so that implies that this is an +# invalid version. +if [ ! -s "$release_file" ]; then + echo false + exit 0 +fi + +# Make sure the data is at least kinda sane. +version=$(grep '^r' $release_file) +declare -a actual_version +actual_version=( $(get_major_minor "$version") ) +if [ -z "$version" ] || [ -z "${actual_version[0]}" ]; then + echo "Invalid RELEASE.txt: $(cat $release_file)" >&2 + echo false + exit 1 +fi + +if [[ ${actual_version[0]} -lt ${expected_version[0]} ]]; then + echo "false" +elif [[ ${actual_version[0]} -eq ${expected_version[0]} ]]; then + # This uses < and not -lt because they're string identifiers (a, b, c, etc) + if [[ "${actual_version[1]}" < "${expected_version[1]}" ]]; then + echo "false" + else + echo "true" + fi +else + echo "true" +fi |