build4android.ps1

param
(
    [Parameter(Mandatory=$True)][string]$srcPath,
    [string]$dstPath = "."
)

$local_path = join-path $env:LOCALAPPDATA "cppwinrt.android"
if (-not (test-path $local_path)) {
    mkdir $local_path | out-null
}

function downloadFile($url, $rel_path) 
{
    $local_zip = join-path $local_path (split-path -leaf $url)
    if (-not (test-path $local_zip)) {
        Write-Host "Downloading $url" -ForegroundColor Green 
        Invoke-WebRequest $url -OutFile $local_zip
    }

    Write-Host "Installing $(split-path -leaf $url) to $rel_path" -ForegroundColor Green
    $expand_path = join-path $local_path $rel_path
    Expand-Archive $local_zip $expand_path
}

$cmake_dir = join-path $local_path "cmake"
if (-not (test-path $cmake_dir)) {
    $cmake_zip = downloadFile "https://dl.google.com/android/repository/cmake-3.6.3155560-windows-x86_64.zip" "cmake"
}

$ndk_dir = join-path $local_path "android-ndk-r14b"
if (-not (test-path $ndk_dir)) {
    $ndk_zip = downloadFile "https://dl.google.com/android/repository/android-ndk-r14b-windows-x86_64.zip" "."
}

$cmake_path = join-path $cmake_dir "bin\cmake.exe"
$ninja_path = join-path $cmake_dir "bin\ninja.exe"
$toolchain_path = join-path $ndk_dir "build\cmake\android.toolchain.cmake"

if (-not (test-path $dstPath)) { mkdir $dstPath | out-null }

$cmake_src_path = resolve-path $srcPath 
$cmake_dst_path = resolve-path $dstPath 

write-host "running CMake" -ForegroundColor Green
& $cmake_path "-H$cmake_src_path" "-B$cmake_dst_path" "-DANDROID_NDK=$ndk_dir" "-DCMAKE_TOOLCHAIN_FILE=$toolchain_path" "-DCMAKE_MAKE_PROGRAM=$ninja_path" -GNinja -DANDROID_ABI=x86  -DCMAKE_BUILD_TYPE=Debug -DANDROID_TOOLCHAIN=clang "-DANDROID_STL=c++_static" 

write-host "running Ninja" -ForegroundColor Green
& $ninja_path -C $cmake_dst_path