Support build overture on Windows

core/build.gradle

@@ -36,19 +36,28 @@ android {
 }
 
 task goBuild(type: Exec) {
-    executable "sh"
-    args "-c", "src/overture/make.bash " + minSdkVersion
+    if (Os.isFamily(Os.FAMILY_WINDOWS)) {
+        executable "cmd.exe"
+        args "/c", "src/overture/make.bat " + minSdkVersion
+    } else {
+        executable "sh"
+        args "-c", "src/overture/make.bash " + minSdkVersion
+    }
 }
 
 task goClean(type: Exec) {
-    executable "sh"
-    args "-c", "src/overture/clean.bash"
+    if (Os.isFamily(Os.FAMILY_WINDOWS)) {
+        executable "cmd.exe"
+        args "/c", "src/overture/clean.bat"
+    } else {
+        executable "sh"
+        args "-c", "src/overture/clean.bash"
+    }
 }
 
 tasks.whenTaskAdded { task ->
   if ((task.name == 'generateJsonModelDebug' ||
-          task.name == 'generateJsonModelRelease') &&
-          !Os.isFamily(Os.FAMILY_WINDOWS)) {
+          task.name == 'generateJsonModelRelease')) {
       task.dependsOn(goBuild)
     }
 }

core/src/overture/clean.bat

@@ -0,0 +1,10 @@
+@ECHO OFF
+
+SET DIR=%CD%
+SET DEPS=%DIR%\.deps
+
+RD /SQ %DEPS%
+RD /SQ %DIR%\go\bin
+RD /SQ %DIR%\bin
+
+ECHO "Successfully clean overture"

core/src/overture/make.bat

@@ -0,0 +1,121 @@
+@ECHO OFF
+SETLOCAL
+
+IF NOT DEFINED ANDROID_NDK_HOME (
+	SET ANDROID_NDK_HOME=%ANDROID_HOME%\ndk-bundle
+)
+
+SET DIR=%CD%
+SET MIN_API=%1%
+SET TARGET=%DIR%\bin
+SET DEPS=%DIR%\.deps
+
+SET ANDROID_ARM_TOOLCHAIN=%DEPS%\android-toolchain-%MIN_API%-arm
+SET ANDROID_ARM64_TOOLCHAIN=%DEPS%\android-toolchain-21-arm64
+SET ANDROID_X86_TOOLCHAIN=%DEPS%\android-toolchain-%MIN_API%-x86
+
+SET ANDROID_ARM_CC=%ANDROID_ARM_TOOLCHAIN%\bin\arm-linux-androideabi-clang
+SET ANDROID_ARM_STRIP=%ANDROID_ARM_TOOLCHAIN%\bin\arm-linux-androideabi-strip
+
+SET ANDROID_ARM64_CC=%ANDROID_ARM64_TOOLCHAIN%\bin\aarch64-linux-android-clang
+SET ANDROID_ARM64_STRIP=%ANDROID_ARM64_TOOLCHAIN%\bin\aarch64-linux-android-strip
+
+SET ANDROID_X86_CC=%ANDROID_X86_TOOLCHAIN%\bin\i686-linux-android-clang
+SET ANDROID_X86_STRIP=%ANDROID_X86_TOOLCHAIN%\bin\i686-linux-android-strip
+
+MKDIR %DEPS%>nul 2>nul 
+MKDIR %TARGET%\armeabi-v7a>nul 2>nul 
+MKDIR %TARGET%\x86>nul 2>nul 
+MKDIR %TARGET%\arm64-v8a>nul 2>nul 
+
+IF NOT EXIST %ANDROID_ARM_CC% (
+	ECHO "Make standalone toolchain for ARM arch"
+    %ANDROID_NDK_HOME%\build\tools\make_standalone_toolchain.py --arch arm ^
+        --api %MIN_API% --install-dir %ANDROID_ARM_TOOLCHAIN%
+)
+
+IF NOT EXIST %ANDROID_ARM64_CC% (
+    ECHO "Make standalone toolchain for ARM64 arch"
+    %ANDROID_NDK_HOME%\build\tools\make_standalone_toolchain.py --arch arm64 ^
+        --api 21 --install-dir %ANDROID_ARM64_TOOLCHAIN%
+)
+
+IF NOT EXIST %ANDROID_X86_CC% (
+    ECHO "Make standalone toolchain for X86 arch"
+    %ANDROID_NDK_HOME%\build\tools\make_standalone_toolchain.py --arch x86 ^
+        --api %MIN_API% --install-dir %ANDROID_X86_TOOLCHAIN%
+)
+
+IF NOT EXIST %DIR%\go\bin\go (
+    ECHO "Build the custom go"
+
+    PUSHD %DIR%\go\src
+    CALL make.bat
+    POPD
+)
+
+SET GOROOT=%DIR%\go
+SET GOPATH=%DIR%
+SET PATH=%GOROOT%\bin;%GOPATH%\bin;%PATH%
+
+SET BUILD=1
+IF EXIST "%TARGET%\armeabi-v7a\liboverture.so" (
+	IF EXIST "%TARGET%\arm64-v8a\liboverture.so" (
+		IF EXIST "%TARGET%\x86\liboverture.so" (
+			SET BUILD=0
+		)
+	)
+)
+
+IF %BUILD% == 1 (
+	ECHO "Get dependences for overture"
+	go.exe get -u github.com\tools\godep
+
+	PUSHD %GOPATH%\src\github.com\shadowsocks\overture\main
+	godep.exe restore
+
+	ECHO "Cross compile overture for arm"
+	IF NOT EXIST "%TARGET%\armeabi-v7a\liboverture.so" (
+		SETLOCAL
+	    SET CGO_ENABLED=1
+	    SET CC=%ANDROID_ARM_CC%
+	    SET GOOS=android
+	    SET GOARCH=arm
+	    SET GOARM=7
+	    go.exe build -ldflags="-s -w"
+	    %ANDROID_ARM_STRIP% main
+	    MOVE main %TARGET%\armeabi-v7a\liboverture.so>nul 2>nul 
+	    ENDLOCAL
+	)
+
+	ECHO "Cross compile overture for arm64"
+	IF NOT EXIST "%TARGET%\arm64-v8a\liboverture.so" (
+		SETLOCAL
+	    SET CGO_ENABLED=1
+	    SET CC=%ANDROID_ARM64_CC%
+	    SET GOOS=android
+	    SET GOARCH=arm64
+	    go.exe build -ldflags="-s -w"
+	    %ANDROID_ARM64_STRIP% main
+	    MOVE main %TARGET%\arm64-v8a\liboverture.so>nul 2>nul 
+	    ENDLOCAL
+	)
+
+	ECHO "Cross compile overture for x86"
+	IF NOT EXIST "%TARGET%\x86\liboverture.so" (
+		SETLOCAL
+	    SET CGO_ENABLED=1
+	    SET CC=%ANDROID_X86_CC%
+	    SET GOOS=android
+	    SET GOARCH=386
+	    go.exe build -ldflags="-s -w"
+	    %ANDROID_X86_STRIP% main
+	    MOVE main %TARGET%\x86\liboverture.so>nul 2>nul 
+	    ENDLOCAL
+	)
+
+	POPD
+)
+
+ECHO "Successfully build overture"
+ENDLOCAL