name: Setup Android NDK and Rust compiler ENV
description: Setup an Android_NDK_HOME environment by downloading and Rust compiler environment.
inputs:
rust-target:
description: Rust target to build
required: true
sdk-version:
description: Exact SDK version to use
default: "33"
ndk-version:
description: Exact NDK version to use
default: "25"
ndk-platform:
description: Which host platform to use
default: "linux"
runs:
using: "composite"
steps:
- name: Download Android NDK
run: curl --http1.1 -O https://dl.google.com/android/repository/android-ndk-r${{ inputs.ndk-version }}-${{ inputs.ndk-platform }}.zip
shell: bash
- name: Extract Android NDK
run: unzip -q android-ndk-r${{ inputs.ndk-version }}-${{ inputs.ndk-platform }}.zip
shell: bash
- name: Set Rust compiler ENV
run: |
ndk_home=${{ github.workspace }}/android-ndk-r${{ inputs.ndk-version }}
platform=$(ls ${ndk_home}/toolchains/llvm/prebuilt/ | head -1)
ndk_tool=${ndk_home}/toolchains/llvm/prebuilt/${platform}/bin
envvar_suffix=$(echo ${{ inputs.rust-target }} | sed "s/-/_/g")
upper_suffix=$(echo ${envvar_suffix} | tr '[:lower:]' '[:upper:]')
tool_prefix=${{ inputs.rust-target }}${{ inputs.sdk-version }}
echo "ANDROID_NDK_HOME=${ndk_home}" >> $GITHUB_ENV
echo "CC_${envvar_suffix}=${ndk_tool}/${tool_prefix}-clang" >> $GITHUB_ENV
echo "AR_${envvar_suffix}=${ndk_tool}/llvm-ar" >> $GITHUB_ENV
echo "CARGO_TARGET_${upper_suffix}_LINKER=${ndk_tool}/${tool_prefix}-clang" >> $GITHUB_ENV
shell: bash