+) Gradle

 - Support for gradle / Android JNI

.gitignore

@@ -1,3 +1,5 @@
+.externalNativeBuild/
+.gradle/
 
 [Bb]uild/
 

.travis.yml

@@ -42,15 +42,15 @@ install:
       brew upgrade llvm > /dev/null 2>&1;
       brew info llvm;
     fi
-  # Linux: Install llvm stable
-  # https://apt.llvm.org/
-  - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then 
-      deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main;
-      deb-src http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main;
-      wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -;
-      sudo apt-get install libllvm6.0 llvm-6.0 llvm-6.0-dev llvm-6.0-runtime; 
-      sudo apt-get install clang-6.0 lldb-6.0 lld-6.0;
-    fi
+  # # Linux: Install llvm stable
+  # # https://apt.llvm.org/
+  # - if [ "${TRAVIS_OS_NAME}" == "linux" ]; then 
+  #     deb http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main;
+  #     deb-src http://apt.llvm.org/trusty/ llvm-toolchain-trusty-6.0 main;
+  #     wget -O - https://apt.llvm.org/llvm-snapshot.gpg.key | sudo apt-key add -;
+  #     sudo apt-get install libllvm6.0 llvm-6.0 llvm-6.0-dev llvm-6.0-runtime; 
+  #     sudo apt-get install clang-6.0 lldb-6.0 lld-6.0;
+  #   fi
   - tree --version
   - ninja --version
 
@@ -67,8 +67,8 @@ script:
     -DCMAKE_INSTALL_PREFIX=../$PLATFORM/$CONFIG
   - ninja install
   # Display build results and start tests
-  - tree .
   - ./cppmagic_test
+  - tree -f ./CMakeFiles/
 
 after_success:
   - cd ${TRAVIS_BUILD_DIR}
@@ -103,16 +103,16 @@ matrix:
       - CONFIG=Debug
       - BUILD_SHARED=true 
 
-    # Linux : x86_64 Release Static
-    - env:
-      - PLATFORM=linux
-      - CONFIG=Release
-      - BUILD_SHARED=false
-    # Linux : x86_64 Release Dynamic
-    - env:
-      - PLATFORM=linux
-      - CONFIG=Release
-      - BUILD_SHARED=true
+    # # Linux : x86_64 Release Static
+    # - env:
+    #   - PLATFORM=linux
+    #   - CONFIG=Release
+    #   - BUILD_SHARED=false
+    # # Linux : x86_64 Release Dynamic
+    # - env:
+    #   - PLATFORM=linux
+    #   - CONFIG=Release
+    #   - BUILD_SHARED=true
 
     # OS X : x86_64 Debug Static
     - os: osx
@@ -129,20 +129,20 @@ matrix:
         - CONFIG=Debug
         - BUILD_SHARED=true
 
-    # OS X : x86_64 Release Static
-    - os: osx
-      osx_image: xcode9.3
-      env:
-        - PLATFORM=osx
-        - CONFIG=Release
-        - BUILD_SHARED=false
-    # OS X : x86_64 Release Dynamic
-    - os: osx
-      osx_image: xcode9.3
-      env:
-        - PLATFORM=osx
-        - CONFIG=Release
-        - BUILD_SHARED=true
+    # # OS X : x86_64 Release Static
+    # - os: osx
+    #   osx_image: xcode9.3
+    #   env:
+    #     - PLATFORM=osx
+    #     - CONFIG=Release
+    #     - BUILD_SHARED=false
+    # # OS X : x86_64 Release Dynamic
+    # - os: osx
+    #   osx_image: xcode9.3
+    #   env:
+    #     - PLATFORM=osx
+    #     - CONFIG=Release
+    #     - BUILD_SHARED=true
 
 notifications:
   email:

CMakeLists.txt

@@ -23,7 +23,6 @@ endif()
 
 project(cppmagic LANGUAGES CXX 
         VERSION 1.0.1
-        DESCRIPTION "Auto-magically working C++ coroutine"
 )
 message(STATUS "========== ${PROJECT_NAME} : ${PROJECT_VERSION} ==========")
 
@@ -43,6 +42,24 @@ message(STATUS "Build Type  \t: ${CMAKE_BUILD_TYPE}")
 
 # System / Compiler
 
+if(ANDROID)
+    set(PLATFORM ${ANDROID_ABI})
+elseif(IOS OR IOS_DEPLOYMENT_TARGET)
+    set(PLATFORM iOS)
+elseif(${CMAKE_SYSTEM} MATCHES Windows)
+    set(PLATFORM Windows)
+elseif(${CMAKE_SYSTEM} MATCHES Darwin)
+    set(OSX true)
+    set(PLATFORM OSX)
+elseif(${CMAKE_SYSTEM} MATCHES Linux)
+    set(LINUX true)
+    set(PLATFORM Linux)
+endif()
+
+if(ANDROID OR WIN32)
+    SET(BUILD_SHARED_LIBS true)
+endif()
+
 message(STATUS "System      \t: ${CMAKE_SYSTEM}")
 message(STATUS "Compiler")
 message(STATUS " - ID       \t: ${CMAKE_CXX_COMPILER_ID}")
@@ -59,6 +76,84 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
     #                         # We will use `-std=c++1z` instead
 )
 
+# Platform-specific configurations
+
+if(ANDROID)
+    message(STATUS "Android")
+    message(STATUS "  Platform\t: ${ANDROID_PLATFORM}")     # Android-21 ++
+    message(STATUS "  Arch    \t: ${ANDROID_ARCH_NAME}")    # arm
+    message(STATUS "  ABI     \t: ${ANDROID_ABI}")          # armeabi-v7a or else
+    message(STATUS "  NDK Path\t: ${ANDROID_NDK}")          # Path/to/NDK
+    message(STATUS "  STL     \t: ${ANDROID_STL}")          # expect c++_shared
+
+    target_compile_options(${PROJECT_NAME}
+        PRIVATE
+            -fstack-protector-strong
+    )   
+
+    # <asm/types.h> 를 찾는다. 현재는 armv7, armv8, x86에 대해서만. 
+    if(${ANDROID_ABI} STREQUAL "arm64-v8a")
+        target_include_directories(${PROJECT_NAME}
+            PRIVATE
+                ${ANDROID_NDK}/sysroot/usr/include/aarch64-linux-android
+        )
+    elseif(${ANDROID_ABI} MATCHES "arm")
+        target_include_directories(${PROJECT_NAME}
+            PRIVATE
+                ${ANDROID_NDK}/sysroot/usr/include/arm-linux-androideabi
+        )
+    elseif(${ANDROID_ABI} MATCHES "x86") # x86, x86_64
+        target_include_directories(${PROJECT_NAME}
+            PRIVATE
+                ${ANDROID_NDK}/sysroot/usr/include/x86_64-linux-android
+        )
+    endif()
+
+    # STL: GNU Shared
+    if(${ANDROID_STL} STREQUAL "gnustl_shared")
+        target_include_directories(${PROJECT_NAME}
+            PRIVATE
+                ${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/include/ 
+        )
+        # link_directories(
+        #     ${ANDROID_NDK}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/
+        # )
+    # STL: C++ Shared
+    elseif(${ANDROID_STL} STREQUAL "c++_shared")
+        target_include_directories(${PROJECT_NAME}
+            PRIVATE
+                ${ANDROID_NDK}/sources/cxx-stl/llvm-libc++/include/ 
+        )
+        # link_directories(
+        #     ${ANDROID_NDK}/sources/cxx-stl/llvm-libc++/libs/${ANDROID_ABI}/
+        # )
+    endif()
+
+    target_include_directories(${PROJECT_NAME}
+        PRIVATE
+            # JNI
+            ${ANDROID_NDK}/sysroot/usr/include/ 
+            ${ANDROID_NDK}/sources/android/support/include/
+            # ABI
+            ${ANDROID_NDK}/platforms/${ANDROID_PLATFORM}/arch-${ANDROID_ARCH_NAME}/usr/include/ 
+            # JNI declarations
+            ${PROJECT_DIR}/android/jni/
+    )
+
+    # link_directories(
+    #     # ABI
+    #     ${ANDROID_NDK}/platforms/${ANDROID_PLATFORM}/arch-${ANDROID_ARCH_NAME}/usr/lib/    
+    #     # Nested libraries
+    #     ${PROJECT_DIR}/android/jniLibs/${ANDROID_ABI}
+    # )
+
+    target_sources(${PROJECT_NAME}
+        PRIVATE
+            ${PROJECT_DIR}/android/jni/adapter.h
+            ${PROJECT_DIR}/android/jni/adapter.cpp
+    )
+endif() # Android
+
 target_include_directories(${PROJECT_NAME} 
     PUBLIC
         ${PROJECT_DIR}
@@ -126,23 +221,24 @@ if(APPLE)
     target_compile_options(${PROJECT_NAME} 
         PUBLIC
             -stdlib=libc++ 
-            -fmodules-ts
+            # -fmodules-ts
     )
 elseif(UNIX)  # Only for Unix/Linux
     target_include_directories(${PROJECT_NAME} 
         PRIVATE
             ${PROJECT_DIR}/prebuilt/include/c++/v1/
     )
-    target_compile_options(${PROJECT_NAME} 
-        PRIVATE
-            # For manual libc++ configuration
-            -nostdinc++ -nodefaultlibs
-    )
-    target_link_libraries(${PROJECT_NAME}
-        PUBLIC
-            ${PROJECT_DIR}/prebuilt/lib/libc++.so
-            ${PROJECT_DIR}/prebuilt/lib/libc++experimental.a
-    )
+    # target_compile_options(${PROJECT_NAME} 
+    #     PRIVATE
+    #         # For manual libc++ configuration
+    #         -nostdinc++ -nodefaultlibs
+    # )
+
+    # target_link_libraries(${PROJECT_NAME}
+    #     PUBLIC
+    #         ${PROJECT_DIR}/prebuilt/lib/libc++.so
+    #         ${PROJECT_DIR}/prebuilt/lib/libc++experimental.a
+    # )
 endif()
 target_link_libraries(${PROJECT_NAME}
     PUBLIC
@@ -177,6 +273,10 @@ endif()
 
 # [cppmagic_test]: Test suite for Non-Windows
 
+# if(NOT BUILD_TESTS)
+#     return()
+# endif()
+
 set(TEST_NAME ${PROJECT_NAME}_test)
 
 add_executable(${TEST_NAME}

ReadMe.md

@@ -11,17 +11,15 @@ Auto**magic**ally working C++ Coroutine: [Documentation](https://github.com/lunc
 
 ## Build
 For detailed build steps, reference [`.travis.yml`](/.travis.yml) and [`appveyor.yml`](/appveyor.yml).
- - [Travis CI Docs](https://docs.travis-ci.com/user/languages/cpp/)
- - [AppVeyor Docs](https://www.appveyor.com/docs/)
 
 #### Visual Studio 2017(vc141)
   - compiler option: [`/await`](https://blogs.msdn.microsoft.com/vcblog/2015/04/29/more-about-resumable-functions-in-c/) 
   - compiler option: `/std:c++latest`
 
 #### Clang 6 for Windows 
+Install following packages with [Chocolaty](https://chocolatey.org/). Uses CMake for project generation.
   - Chocolaty [LLVM package](https://chocolatey.org/packages/llvm)
   - Chocolaty [Ninja package](https://chocolatey.org/packages/ninja)
-  - Uses CMake for project generation
 
 #### Clang for Linux
 Since libc++ apt package doesn't contain experimental headers, the build steps [downloads libc++ and build with them](https://libcxx.llvm.org/docs/BuildingLibcxx.html).

android/AndroidManifest.xml

@@ -0,0 +1,3 @@
+<manifest 
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    package="github.luncliff" />

android/jni/adapter.cpp

@@ -0,0 +1,2 @@
+#include "adapter.h"
+

android/jni/adapter.h

@@ -0,0 +1,6 @@
+#pragma once
+
+#include <jni.h>
+
+// ...
+