void CompileNDK(IEnumerable <string> files)
{
RefreshAndroidSdk();
var monoPath = ManagedToolchain.FindMonoPath();
var name = Path.GetFileNameWithoutExtension(Project.Assemblies[0]);
var libName = $"lib{name}.so";
var ndkPath = AndroidSdk.AndroidNdkPath;
//NOTE: "arm64-v8a" doesn't compile at the moment
foreach (var abi in new[] { "armeabi", "armeabi-v7a", "x86", "x86_64" })
{
string extra = string.Empty;
AndroidTargetArch targetArch;
switch (abi)
{
case "armeabi":
targetArch = AndroidTargetArch.Arm;
break;
case "armeabi-v7a":
targetArch = AndroidTargetArch.Arm;
extra = " -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16";
break;
case "arm64-v8a":
targetArch = AndroidTargetArch.Arm64;
break;
case "x86":
targetArch = AndroidTargetArch.X86;
extra = " -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32";
break;
case "x86_64":
targetArch = AndroidTargetArch.X86_64;
extra = " -march=x86-64 -mtune=intel -msse4.2 -mpopcnt -m64";
break;
default:
throw new NotImplementedException();
}
var clangBin = NdkUtil.GetNdkClangBin(Path.Combine(ndkPath, "toolchains"), targetArch);
var systemInclude = NdkUtil.GetNdkPlatformIncludePath(ndkPath, targetArch, 24); //NOTE: 24 should be an option?
var monoDroidPath = Path.Combine(MonoDroidSdk.BinPath, "..", "lib", "xbuild", "Xamarin", "Android", "lib", abi);
var abiDir = Path.Combine(Options.OutputDir, "android", "jni", abi);
var output = Path.Combine(abiDir, libName);
if (!Directory.Exists(abiDir))
{
Directory.CreateDirectory(abiDir);
}
var args = new List <string> {
$"--sysroot=\"{systemInclude}\"{extra}",
$"-D{DLLExportDefine}",
$"-I\"{monoPath}/include/mono-2.0\"",
$"-L\"{monoDroidPath}\" -lmonosgen-2.0",
string.Join(" ", files.ToList()),
"--std=c99",
$"-shared -o {output}",
};
var invocation = string.Join(" ", args);
Invoke(clangBin, invocation);
}
}
bool CompileNDK(IEnumerable <string> files)
{
var monoPath = Path.Combine(MonoSdkPath, "include", "mono-2.0");
var name = Path.GetFileNameWithoutExtension(Project.Assemblies[0]);
var libName = $"lib{name}.so";
var ndkPath = AndroidSdk.AndroidNdkPath;
foreach (var abi in new[] { "armeabi", "armeabi-v7a", "arm64-v8a", "x86", "x86_64" })
{
string extra = string.Empty;
AndroidTargetArch targetArch;
switch (abi)
{
case "armeabi":
targetArch = AndroidTargetArch.Arm;
break;
case "armeabi-v7a":
targetArch = AndroidTargetArch.Arm;
extra = " -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16";
break;
case "arm64-v8a":
targetArch = AndroidTargetArch.Arm64;
break;
case "x86":
targetArch = AndroidTargetArch.X86;
extra = " -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32";
break;
case "x86_64":
targetArch = AndroidTargetArch.X86_64;
extra = " -march=x86-64 -mtune=intel -msse4.2 -mpopcnt -m64";
break;
default:
throw new NotImplementedException();
}
var clangBin = NdkUtil.GetNdkClangBin(Path.Combine(ndkPath, "toolchains"), targetArch);
var systemInclude = NdkUtil.GetNdkPlatformIncludePath(ndkPath, targetArch, XamarinAndroid.ApiLevel);
var monoDroidPath = Path.Combine(XamarinAndroid.LibraryPath, abi);
var abiDir = Path.Combine(Options.OutputDir, "android", "jni", abi);
var outputPath = Path.Combine(abiDir, libName);
if (!Directory.Exists(abiDir))
{
Directory.CreateDirectory(abiDir);
}
var args = new List <string> {
$"--sysroot=\"{systemInclude}\"{extra}",
"-fdiagnostics-color",
$"-D{DLLExportDefine}",
$"-I\"{monoPath}\"",
$"-L\"{monoDroidPath}\" -lmonosgen-2.0 -lmono-android.release",
string.Join(" ", files.ToList()),
"--std=c99",
$"-shared -o {outputPath}",
};
var invocation = string.Join(" ", args);
var output = Invoke(clangBin, invocation);
if (output.ExitCode != 0)
{
return(false);
}
}
return(true);
}
bool CompileNDK(IEnumerable <string> files)
{
var monoPath = Path.Combine(MonoSdkPath, "include", "mono-2.0");
var name = Path.GetFileNameWithoutExtension(Project.Assemblies[0]);
var libName = $"lib{name}.so";
var ndkPath = XamarinAndroid.AndroidSdk.AndroidNdkPath;
foreach (var abi in new[] { "armeabi-v7a", "arm64-v8a", "x86", "x86_64" })
{
string extra = string.Empty;
AndroidTargetArch targetArch;
switch (abi)
{
case "armeabi-v7a":
targetArch = AndroidTargetArch.Arm;
extra = " -march=armv7-a -mfloat-abi=softfp -mfpu=vfpv3-d16";
break;
case "arm64-v8a":
targetArch = AndroidTargetArch.Arm64;
break;
case "x86":
targetArch = AndroidTargetArch.X86;
extra = " -march=i686 -mtune=intel -mssse3 -mfpmath=sse -m32";
break;
case "x86_64":
targetArch = AndroidTargetArch.X86_64;
extra = " -march=x86-64 -mtune=intel -msse4.2 -mpopcnt -m64";
break;
default:
throw new NotImplementedException();
}
bool isLLVM = false;
var clangBin = NdkUtil.GetNdkClangBin(Path.Combine(ndkPath, "toolchains"), targetArch);
if (string.IsNullOrEmpty(clangBin))
{
clangBin = NdkUtil.GetNdkClangBin(Path.Combine(ndkPath, "toolchains", "llvm"), targetArch);
isLLVM = true;
}
if (string.IsNullOrEmpty(clangBin))
{
throw new Exception($"Unable to find NDK toolchain for {abi}!");
}
var systemInclude = NdkUtil.GetNdkPlatformIncludePath(ndkPath, targetArch, XamarinAndroid.ApiLevel, isLLVM);
//var newPath = "D:\\dev\\githubMP\\flutter\\embeddinatorfork\\external\\Xamarin.Android\\lib\\xbuild\\Xamarin\\Android\\lib";
//var monoDroidPath = Path.Combine(newPath, abi); // XamarinAndroid.LibraryPath, abi);
var monoDroidPath = Path.Combine(XamarinAndroid.LibraryPath, abi);
var abiDir = Path.Combine(Options.OutputDir, "android", "jni", abi);
var outputPath = Path.Combine(abiDir, libName);
if (!Directory.Exists(abiDir))
{
Directory.CreateDirectory(abiDir);
}
var args = new List <string> {
$"--sysroot=\"{systemInclude}\"{extra}",
"-fdiagnostics-color",
$"-D{DLLExportDefine}",
$"-I\"{monoPath}\"",
$"-L\"{monoDroidPath}\" -lmonosgen-2.0 -lmono-android.release",
string.Join(" ", files.ToList()),
"--std=c11",
"-fPIC",
$"-shared -o {outputPath}",
};
if (isLLVM)
{
args.Add($"--target={NdkUtil.GetLlvmToolchainTarget(targetArch, XamarinAndroid.ApiLevel)}");
}
var invocation = string.Join(" ", args);
var output = Invoke(clangBin, invocation);
if (output.ExitCode != 0)
{
return(false);
}
}
return(true);
}