--- /dev/null
+# Platform defines.
+set(CMAKE_SYSTEM_NAME Linux)
+
+set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS TRUE)
+
+set(CMAKE_CROSSCOMPILING 1)
+
+# NDK installation path
+if (NOT DEFINED ANDROID_NDK_PATH)
+ message(FATAL_ERROR "Please provide ANDROID_NDK_PATH")
+endif ()
+
+# Host os (for toolchain binaries)
+if (NOT DEFINED ANDROID_NDK_HOST_OS)
+ message(STATUS "Warning: ANDROID_NDK_HOST_OS is not set")
+ if (WIN32)
+ set(ANDROID_NDK_HOST_OS "windows")
+ elseif (UNIX)
+ set(ANDROID_NDK_HOST_OS "linux-86")
+ endif ()
+endif ()
+
+# Compile target
+set(ANDROID_ABI "armeabi-v7a" CACHE STRING "Android ABI")
+set(ANDROID_NDK_TARGET "android-${DE_ANDROID_API}")
+
+# dE defines
+set(DE_OS "DE_OS_ANDROID")
+set(DE_COMPILER "DE_COMPILER_GCC")
+if (NOT DEFINED DE_ANDROID_API)
+ set(DE_ANDROID_API 9)
+endif ()
+
+set(COMMON_C_FLAGS "-fpic -DANDROID -D__ANDROID__ -D__STDC_INT64__")
+set(COMMON_LINKER_FLAGS "")
+set(ARM_C_FLAGS "-D__ARM_ARCH_5__ -D__ARM_ARCH_5T__ -D__ARM_ARCH_5E__ -D__ARM_ARCH_5TE__ ")
+
+# ABI-dependent bits
+if (ANDROID_ABI STREQUAL "x86")
+ set(DE_CPU "DE_CPU_X86")
+ set(CMAKE_SYSTEM_PROCESSOR i686-android-linux)
+
+ set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/x86-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
+ set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/i686-linux-android-")
+ set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-x86")
+ set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9/libgcc.a")
+
+ set(CMAKE_FIND_ROOT_PATH
+ "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}"
+ "${ANDROID_CC_PATH}i686-linux-android"
+ "${ANDROID_CC_PATH}lib/gcc/i686-linux-android/4.9"
+ ${ANDROID_SYSROOT}
+ )
+
+ set(TARGET_C_FLAGS "-march=i686 -msse3 -mstackrealign -mfpmath=sse")
+ set(TARGET_LINKER_FLAGS "")
+
+elseif (ANDROID_ABI STREQUAL "armeabi" OR
+ ANDROID_ABI STREQUAL "armeabi-v7a")
+ set(DE_CPU "DE_CPU_ARM")
+ set(CMAKE_SYSTEM_PROCESSOR arm-linux-androideabi)
+
+ set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/arm-linux-androideabi-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
+ set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/arm-linux-androideabi-")
+ set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm")
+
+ if (ANDROID_ABI STREQUAL "armeabi-v7a")
+ set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv7-a -mfpu=vfpv3-d16 -mfloat-abi=softfp")
+ set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv7-a")
+ set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.9/armv7-a/libgcc.a")
+
+ else () # armeabi
+ set(TARGET_C_FLAGS "${ARM_C_FLAGS} -march=armv5te -mfloat-abi=softfp")
+ set(TARGET_LINKER_FLAGS "-Wl,--fix-cortex-a8 -march=armv5te")
+ set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/arm-linux-androideabi/4.9/libgcc.a")
+ endif ()
+
+ set(CMAKE_FIND_ROOT_PATH
+ "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}"
+ "${ANDROID_CC_PATH}arm-linux-androideabi"
+ ${ANDROID_SYSROOT}
+ )
+
+elseif (ANDROID_ABI STREQUAL "arm64-v8a")
+ set(DE_CPU "DE_CPU_ARM_64")
+ set(CMAKE_SYSTEM_PROCESSOR aarch64-linux-android)
+ set(CMAKE_SIZEOF_VOID_P 8)
+
+ set(ANDROID_CC_PATH "${ANDROID_NDK_PATH}/toolchains/aarch64-linux-android-4.9/prebuilt/${ANDROID_NDK_HOST_OS}/")
+ set(CROSS_COMPILE "${ANDROID_CC_PATH}bin/aarch64-linux-android-")
+ set(ANDROID_SYSROOT "${ANDROID_NDK_PATH}/platforms/${ANDROID_NDK_TARGET}/arch-arm64")
+ set(LIBGCC "${ANDROID_CC_PATH}lib/gcc/aarch64-linux-android/4.9/libgcc.a")
+
+ set(CMAKE_FIND_ROOT_PATH
+ "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}"
+ "${ANDROID_CC_PATH}arm-linux-androideabi"
+ ${ANDROID_SYSROOT}
+ )
+
+ set(TARGET_C_FLAGS "-march=armv8-a -mabi=lp64")
+ set(TARGET_LINKER_FLAGS "-march=armv8-a")
+
+else ()
+ message(FATAL_ERROR "Unknown ABI \"${ANDROID_ABI}\"")
+endif ()
+
+# crtbegin_so.o & crtend_so.o \todo [pyry] Is there some special CMake variable for these?
+if (DE_ANDROID_API GREATER 8)
+ set(CRTBEGIN_SO "${ANDROID_SYSROOT}/usr/lib/crtbegin_so.o")
+ set(CRTEND_SO "${ANDROID_SYSROOT}/usr/lib/crtend_so.o")
+endif ()
+
+# C++ library
+set(LIBCPP "${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/libgnustl_static.a")
+
+include(CMakeForceCompiler)
+
+if (ANDROID_NDK_HOST_OS STREQUAL "linux-x86" OR
+ ANDROID_NDK_HOST_OS STREQUAL "linux-x86_64" OR
+ ANDROID_NDK_HOST_OS STREQUAL "darwin-x86")
+ cmake_force_c_compiler("${CROSS_COMPILE}gcc" GNU)
+ cmake_force_cxx_compiler("${CROSS_COMPILE}g++" GNU)
+elseif (ANDROID_NDK_HOST_OS STREQUAL "windows")
+ cmake_force_c_compiler("${CROSS_COMPILE}gcc.exe" GNU)
+ cmake_force_cxx_compiler("${CROSS_COMPILE}g++.exe" GNU)
+else ()
+ message(FATAL_ERROR "Unknown ANDROID_NDK_HOST_OS")
+endif ()
+
+set(CMAKE_SHARED_LIBRARY_C_FLAGS "")
+set(CMAKE_SHARED_LIBRARY_CXX_FLAGS "")
+
+set(CMAKE_C_CREATE_SHARED_LIBRARY "<CMAKE_C_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_C_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_C_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES>")
+set(CMAKE_CXX_CREATE_SHARED_LIBRARY "<CMAKE_CXX_COMPILER> <LANGUAGE_COMPILE_FLAGS> <CMAKE_SHARED_LIBRARY_CXX_FLAGS> <LINK_FLAGS> <CMAKE_SHARED_LIBRARY_CREATE_CXX_FLAGS> -o <TARGET> ${CRTBEGIN_SO} <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC} ${CRTEND_SO}")
+set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> -o <TARGET> <OBJECTS> <LINK_LIBRARIES> ${LIBCPP} ${LIBGCC}")
+
+set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# \note Without CACHE STRING FORCE cmake ignores these.
+set(CMAKE_C_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_C_FLAGS} ${TARGET_C_FLAGS}" CACHE STRING "" FORCE)
+set(CMAKE_CXX_FLAGS "--sysroot=${ANDROID_SYSROOT} ${COMMON_C_FLAGS} ${TARGET_C_FLAGS} -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/include -I${ANDROID_NDK_PATH}/sources/cxx-stl/gnu-libstdc++/4.9/libs/${ANDROID_ABI}/include" CACHE STRING "" FORCE)
+set(CMAKE_SHARED_LINKER_FLAGS "-nostdlib -Wl,-shared,-Bsymbolic -Wl,--no-undefined ${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)
+set(CMAKE_EXE_LINKER_FLAGS "${COMMON_LINKER_FLAGS} ${TARGET_LINKER_FLAGS}" CACHE STRING "" FORCE)