dotnet-installer/eng/common/cross/build-android-rootfs.sh
dotnet-maestro[bot] 176c6c4b79
Update dependencies from https://github.com/dotnet/arcade build 20210506.1 (#10532)
[main] Update dependencies from dotnet/arcade
- Coherency Updates:
  - XliffTasks: from 1.0.0-beta.21251.1 to 1.0.0-beta.21254.1 (parent: Microsoft.DotNet.Arcade.Sdk)
2021-05-06 13:01:50 +00:00

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#!/usr/bin/env bash
set -e
__NDK_Version=r21
usage()
{
echo "Creates a toolchain and sysroot used for cross-compiling for Android."
echo.
echo "Usage: $0 [BuildArch] [ApiLevel]"
echo.
echo "BuildArch is the target architecture of Android. Currently only arm64 is supported."
echo "ApiLevel is the target Android API level. API levels usually match to Android releases. See https://source.android.com/source/build-numbers.html"
echo.
echo "By default, the toolchain and sysroot will be generated in cross/android-rootfs/toolchain/[BuildArch]. You can change this behavior"
echo "by setting the TOOLCHAIN_DIR environment variable"
echo.
echo "By default, the NDK will be downloaded into the cross/android-rootfs/android-ndk-$__NDK_Version directory. If you already have an NDK installation,"
echo "you can set the NDK_DIR environment variable to have this script use that installation of the NDK."
echo "By default, this script will generate a file, android_platform, in the root of the ROOTFS_DIR directory that contains the RID for the supported and tested Android build: android.28-arm64. This file is to replace '/etc/os-release', which is not available for Android."
exit 1
}
__ApiLevel=28 # The minimum platform for arm64 is API level 21 but the minimum version that support glob(3) is 28. See $ANDROID_NDK/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/include/glob.h
__BuildArch=arm64
__AndroidArch=aarch64
__AndroidToolchain=aarch64-linux-android
for i in "$@"
do
lowerI="$(echo $i | tr "[:upper:]" "[:lower:]")"
case $lowerI in
-?|-h|--help)
usage
exit 1
;;
arm64)
__BuildArch=arm64
__AndroidArch=aarch64
__AndroidToolchain=aarch64-linux-android
;;
arm)
__BuildArch=arm
__AndroidArch=arm
__AndroidToolchain=arm-linux-androideabi
;;
*[0-9])
__ApiLevel=$i
;;
*)
__UnprocessedBuildArgs="$__UnprocessedBuildArgs $i"
;;
esac
done
# Obtain the location of the bash script to figure out where the root of the repo is.
__ScriptBaseDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
__CrossDir="$__ScriptBaseDir/../../../.tools/android-rootfs"
if [[ ! -f "$__CrossDir" ]]; then
mkdir -p "$__CrossDir"
fi
# Resolve absolute path to avoid `../` in build logs
__CrossDir="$( cd "$__CrossDir" && pwd )"
__NDK_Dir="$__CrossDir/android-ndk-$__NDK_Version"
__lldb_Dir="$__CrossDir/lldb"
__ToolchainDir="$__CrossDir/android-ndk-$__NDK_Version"
if [[ -n "$TOOLCHAIN_DIR" ]]; then
__ToolchainDir=$TOOLCHAIN_DIR
fi
if [[ -n "$NDK_DIR" ]]; then
__NDK_Dir=$NDK_DIR
fi
echo "Target API level: $__ApiLevel"
echo "Target architecture: $__BuildArch"
echo "NDK location: $__NDK_Dir"
echo "Target Toolchain location: $__ToolchainDir"
# Download the NDK if required
if [ ! -d $__NDK_Dir ]; then
echo Downloading the NDK into $__NDK_Dir
mkdir -p $__NDK_Dir
wget -q --progress=bar:force:noscroll --show-progress https://dl.google.com/android/repository/android-ndk-$__NDK_Version-linux-x86_64.zip -O $__CrossDir/android-ndk-$__NDK_Version-linux-x86_64.zip
unzip -q $__CrossDir/android-ndk-$__NDK_Version-linux-x86_64.zip -d $__CrossDir
fi
if [ ! -d $__lldb_Dir ]; then
mkdir -p $__lldb_Dir
echo Downloading LLDB into $__lldb_Dir
wget -q --progress=bar:force:noscroll --show-progress https://dl.google.com/android/repository/lldb-2.3.3614996-linux-x86_64.zip -O $__CrossDir/lldb-2.3.3614996-linux-x86_64.zip
unzip -q $__CrossDir/lldb-2.3.3614996-linux-x86_64.zip -d $__lldb_Dir
fi
echo "Download dependencies..."
__TmpDir=$__CrossDir/tmp/$__BuildArch/
mkdir -p "$__TmpDir"
# combined dependencies for coreclr, installer and libraries
__AndroidPackages="libicu"
__AndroidPackages+=" libandroid-glob"
__AndroidPackages+=" liblzma"
__AndroidPackages+=" krb5"
__AndroidPackages+=" openssl"
for path in $(wget -qO- http://termux.net/dists/stable/main/binary-$__AndroidArch/Packages |\
grep -A15 "Package: \(${__AndroidPackages// /\\|}\)" | grep -v "static\|tool" | grep Filename); do
if [[ "$path" != "Filename:" ]]; then
echo "Working on: $path"
wget -qO- http://termux.net/$path | dpkg -x - "$__TmpDir"
fi
done
cp -R "$__TmpDir/data/data/com.termux/files/usr/"* "$__ToolchainDir/sysroot/usr/"
# Generate platform file for build.sh script to assign to __DistroRid
echo "Generating platform file..."
echo "RID=android.${__ApiLevel}-${__BuildArch}" > $__ToolchainDir/sysroot/android_platform
echo "Now to build coreclr, libraries and installers; run:"
echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
--subsetCategory coreclr
echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
--subsetCategory libraries
echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
--subsetCategory installer