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@@ -6,10 +6,11 @@ usage()
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{
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echo "Creates a toolchain and sysroot used for cross-compiling for Android."
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echo
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- echo "Usage: $0 [BuildArch] [ApiLevel]"
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+ echo "Usage: $0 [BuildArch] [ApiLevel] [--ndk NDKVersion]"
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echo
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echo "BuildArch is the target architecture of Android. Currently only arm64 is supported."
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echo "ApiLevel is the target Android API level. API levels usually match to Android releases. See https://source.android.com/source/build-numbers.html"
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+ echo "NDKVersion is the version of Android NDK. The default is r21. See https://developer.android.com/ndk/downloads/revision_history"
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echo
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echo "By default, the toolchain and sysroot will be generated in cross/android-rootfs/toolchain/[BuildArch]. You can change this behavior"
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echo "by setting the TOOLCHAIN_DIR environment variable"
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@@ -25,10 +26,15 @@ __BuildArch=arm64
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__AndroidArch=aarch64
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__AndroidToolchain=aarch64-linux-android
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-for i in "$@"
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- do
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- lowerI="$(echo $i | tr "[:upper:]" "[:lower:]")"
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- case $lowerI in
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+while :; do
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+ if [[ "$#" -le 0 ]]; then
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+ break
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+ fi
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+
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+ i=$1
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+
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+ lowerI="$(echo $i | tr "[:upper:]" "[:lower:]")"
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+ case $lowerI in
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-?|-h|--help)
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usage
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exit 1
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@@ -43,6 +49,10 @@ for i in "$@"
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__AndroidArch=arm
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__AndroidToolchain=arm-linux-androideabi
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;;
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+ --ndk)
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+ shift
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+ __NDK_Version=$1
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+ ;;
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*[0-9])
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__ApiLevel=$i
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;;
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@@ -50,8 +60,17 @@ for i in "$@"
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__UnprocessedBuildArgs="$__UnprocessedBuildArgs $i"
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;;
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esac
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+ shift
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done
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+if [[ "$__NDK_Version" == "r21" ]] || [[ "$__NDK_Version" == "r22" ]]; then
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+ __NDK_File_Arch_Spec=-x86_64
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+ __SysRoot=sysroot
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+else
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+ __NDK_File_Arch_Spec=
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+ __SysRoot=toolchains/llvm/prebuilt/linux-x86_64/sysroot
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+fi
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+
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# Obtain the location of the bash script to figure out where the root of the repo is.
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__ScriptBaseDir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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@@ -78,6 +97,7 @@ fi
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echo "Target API level: $__ApiLevel"
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echo "Target architecture: $__BuildArch"
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+echo "NDK version: $__NDK_Version"
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echo "NDK location: $__NDK_Dir"
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echo "Target Toolchain location: $__ToolchainDir"
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@@ -85,8 +105,8 @@ echo "Target Toolchain location: $__ToolchainDir"
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if [ ! -d $__NDK_Dir ]; then
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echo Downloading the NDK into $__NDK_Dir
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mkdir -p $__NDK_Dir
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- wget -q --progress=bar:force:noscroll --show-progress https://dl.google.com/android/repository/android-ndk-$__NDK_Version-linux-x86_64.zip -O $__CrossDir/android-ndk-$__NDK_Version-linux-x86_64.zip
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- unzip -q $__CrossDir/android-ndk-$__NDK_Version-linux-x86_64.zip -d $__CrossDir
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+ wget -q --progress=bar:force:noscroll --show-progress https://dl.google.com/android/repository/android-ndk-$__NDK_Version-linux$__NDK_File_Arch_Spec.zip -O $__CrossDir/android-ndk-$__NDK_Version-linux.zip
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+ unzip -q $__CrossDir/android-ndk-$__NDK_Version-linux.zip -d $__CrossDir
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fi
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if [ ! -d $__lldb_Dir ]; then
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@@ -116,16 +136,11 @@ for path in $(wget -qO- https://packages.termux.dev/termux-main-21/dists/stable/
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fi
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done
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-cp -R "$__TmpDir/data/data/com.termux/files/usr/"* "$__ToolchainDir/sysroot/usr/"
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+cp -R "$__TmpDir/data/data/com.termux/files/usr/"* "$__ToolchainDir/$__SysRoot/usr/"
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# Generate platform file for build.sh script to assign to __DistroRid
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echo "Generating platform file..."
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-echo "RID=android.${__ApiLevel}-${__BuildArch}" > $__ToolchainDir/sysroot/android_platform
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-
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-echo "Now to build coreclr, libraries and installers; run:"
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-echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
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- --subsetCategory coreclr
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-echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
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- --subsetCategory libraries
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-echo ROOTFS_DIR=\$\(realpath $__ToolchainDir/sysroot\) ./build.sh --cross --arch $__BuildArch \
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- --subsetCategory installer
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+echo "RID=android.${__ApiLevel}-${__BuildArch}" > $__ToolchainDir/$__SysRoot/android_platform
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+
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+echo "Now to build coreclr, libraries and host; run:"
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+echo ROOTFS_DIR=$(realpath $__ToolchainDir/$__SysRoot) ./build.sh clr+libs+host --cross --arch $__BuildArch
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dotnet-maestro[bot]