# The NDK does not provide any http or crypto functionality out of the box; we build versions of zlib, openssl, and curl to account for this. if(BUILD_CURL OR BUILD_OPENSSL OR BUILD_ZLIB) set(EXTERNAL_CXX_FLAGS "-Wno-unused-private-field") set(EXTERNAL_C_FLAGS "") set(BASE_SDK_DIR ${CMAKE_BINARY_DIR} CACHE STRING "Android build" FORCE) # we patch the install process for each dependency to match what we need for 3rd party installation if (DEFINED CMAKE_INSTALL_PREFIX) set(EXTERNAL_INSTALL_DIR ${CMAKE_INSTALL_PREFIX}/external-install CACHE STRING "A string describes the path where external dependencies will be installed") else() set(EXTERNAL_INSTALL_DIR ${CMAKE_BINARY_DIR}/external-install CACHE STRING "A string describes the path where external dependencies will be installed") endif() set(EXTERNAL_BUILD_DIR ${CMAKE_BINARY_DIR}/external-build) file(MAKE_DIRECTORY ${EXTERNAL_BUILD_DIR}) # zlib if(BUILD_ZLIB) set(ZLIB_SOURCE_DIR ${CMAKE_BINARY_DIR}/zlib CACHE INTERNAL "zlib source dir") set(ZLIB_INSTALL_DIR ${EXTERNAL_INSTALL_DIR}/zlib CACHE INTERNAL "zlib install dir") set(ZLIB_INCLUDE_DIR ${ZLIB_INSTALL_DIR}/include/zlib CACHE INTERNAL "zlib include dir") set(ZLIB_LIBRARY_DIR ${ZLIB_INSTALL_DIR}/lib CACHE INTERNAL "zlib library dir") set( ZLIB_INCLUDE_FLAGS "-isystem ${ZLIB_INCLUDE_DIR}" CACHE INTERNAL "compiler flags to find zlib includes") set( ZLIB_LINKER_FLAGS "-L${ZLIB_LIBRARY_DIR}" CACHE INTERNAL "linker flags to find zlib") if(UNIX) set(ZLIB_NAME libz) else() set(ZLIB_NAME zlib) endif() add_library(zlib UNKNOWN IMPORTED) set_property(TARGET zlib PROPERTY IMPORTED_LOCATION ${ZLIB_LIBRARY_DIR}/${ZLIB_NAME}.a) set(ZLIB_LIBRARIES "${ZLIB_LIBRARY_DIR}/${ZLIB_NAME}.a") set(CURL_ZLIB_DEPENDENCY "ZLIB") endif() # OpenSSL if(BUILD_OPENSSL) set(OPENSSL_SOURCE_DIR ${CMAKE_BINARY_DIR}/openssl-src CACHE INTERNAL "openssl source dir") set(OPENSSL_INSTALL_DIR ${EXTERNAL_INSTALL_DIR}/openssl CACHE INTERNAL "openssl install dir") set(OPENSSL_INCLUDE_DIR ${OPENSSL_INSTALL_DIR}/include CACHE INTERNAL "openssl include dir") set(OPENSSL_LIBRARY_DIR ${OPENSSL_INSTALL_DIR}/lib CACHE INTERNAL "openssl library dir") set(OPENSSL_CXX_FLAGS "${EXTERNAL_CXX_FLAGS} -fPIE" CACHE INTERNAL "openssl") set(OPENSSL_C_FLAGS "${EXTERNAL_C_FLAGS} -fPIE" CACHE INTERNAL "openssl") if(ANDROID_ABI STREQUAL "x86_64") set(OPENSSL_C_FLAGS "${OPENSSL_C_FLAGS} -DOPENSSL_NO_INLINE_ASM" CACHE INTERNAL "openssl") endif() set(OPENSSL_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fPIE -pie" CACHE INTERNAL "openssl") set(OPENSSL_INCLUDE_FLAGS "-isystem ${OPENSSL_INCLUDE_DIR} -isystem ${OPENSSL_INCLUDE_DIR}/openssl" CACHE INTERNAL "compiler flags to find openssl includes") set(OPENSSL_LINKER_FLAGS "-L${OPENSSL_LIBRARY_DIR}" CACHE INTERNAL "linker flags to find openssl") add_library(ssl UNKNOWN IMPORTED) set_property(TARGET ssl PROPERTY IMPORTED_LOCATION ${OPENSSL_LIBRARY_DIR}/libssl.a) add_library(crypto UNKNOWN IMPORTED) set_property(TARGET crypto PROPERTY IMPORTED_LOCATION ${OPENSSL_LIBRARY_DIR}/libcrypto.a) set_target_properties(crypto PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${OPENSSL_INCLUDE_DIR}" IMPORTED_LINK_INTERFACE_LANGUAGES "C") set(OPENSSL_LIBRARIES "${OPENSSL_LIBRARY_DIR}/libssl.a;${OPENSSL_LIBRARY_DIR}/libcrypto.a") set(OPENSSL_CRYPTO_LIBRARY "${OPENSSL_LIBRARY_DIR}/libcrypto.a") set(CURL_OPENSSL_DEPENDENCY "OPENSSL") set(LibCrypto_INCLUDE_DIR "${OPENSSL_INCLUDE_DIR}" CACHE INTERNAL "crypto include dir") set(LibCrypto_STATIC_LIBRARY "${OPENSSL_LIBRARY_DIR}/libcrypto.a" CACHE INTERNAL "crypto static library") endif() # curl if(BUILD_CURL) set(CURL_SOURCE_DIR ${CMAKE_BINARY_DIR}/curl CACHE INTERNAL "libcurl source dir") set(CURL_INSTALL_DIR ${EXTERNAL_INSTALL_DIR}/curl CACHE INTERNAL "libcurl install dir") set(CURL_INCLUDE_DIR ${CURL_INSTALL_DIR}/include CACHE INTERNAL "libcurl include dir") set(CURL_LIBRARY_DIR ${CURL_INSTALL_DIR}/lib CACHE INTERNAL "libcurl library dir") set( CURL_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS}" CACHE INTERNAL "" ) set( CURL_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS}" CACHE INTERNAL "" ) set( CURL_CXX_FLAGS "${EXTERNAL_CXX_FLAGS} ${OPENSSL_INCLUDE_FLAGS} ${ZLIB_INCLUDE_FLAGS} -Wno-unused-value -fPIE ${ZLIB_LINKER_FLAGS} ${OPENSSL_LINKER_FLAGS}" CACHE INTERNAL "") set( CURL_C_FLAGS "${EXTERNAL_C_FLAGS} ${OPENSSL_INCLUDE_FLAGS} ${ZLIB_INCLUDE_FLAGS} -Wno-unused-value -fPIE ${ZLIB_LINKER_FLAGS} ${OPENSSL_LINKER_FLAGS}" CACHE INTERNAL "") set( CURL_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -fPIE -pie ${ZLIB_LINKER_FLAGS} ${OPENSSL_LINKER_FLAGS}" CACHE INTERNAL "" ) if(ZLIB_LIBRARIES) set(CURL_USE_ZLIB "ON") else() set(CURL_USE_ZLIB "OFF") endif() add_library(curl UNKNOWN IMPORTED) set_property(TARGET curl PROPERTY IMPORTED_LOCATION ${CURL_LIBRARY_DIR}/libcurl.a) set(CURL_LIBRARIES "${CURL_LIBRARY_DIR}/libcurl.a") endif() execute_process( COMMAND ${CMAKE_COMMAND} -G ${CMAKE_GENERATOR} -DAWS_NATIVE_SDK_ROOT=${AWS_NATIVE_SDK_ROOT} -DBUILD_CURL=${BUILD_CURL} -DCURL_SOURCE_DIR=${CURL_SOURCE_DIR} -DCURL_INSTALL_DIR=${CURL_INSTALL_DIR} -DCURL_OPENSSL_DEPENDENCY=${CURL_OPENSSL_DEPENDENCY} -DCURL_ZLIB_DEPENDENCY=${CURL_ZLIB_DEPENDENCY} -DCURL_CXX_FLAGS=${CURL_CXX_FLAGS} -DCURL_C_FLAGS=${CURL_C_FLAGS} -DCURL_STATIC_LINKER_FLAGS=${CURL_STATIC_LINKER_FLAGS} -DCURL_SHARED_LINKER_FLAGS=${CURL_SHARED_LINKER_FLAGS} -DCURL_EXE_LINKER_FLAGS=${CURL_EXE_LINKER_FLAGS} -DCURL_USE_ZLIB=${CURL_USE_ZLIB} -DBUILD_OPENSSL=${BUILD_OPENSSL} -DOPENSSL_SOURCE_DIR=${OPENSSL_SOURCE_DIR} -DOPENSSL_INCLUDE_DIR=${OPENSSL_INCLUDE_DIR} -DOPENSSL_INSTALL_DIR=${OPENSSL_INSTALL_DIR} -DOPENSSL_CXX_FLAGS=${OPENSSL_CXX_FLAGS} -DOPENSSL_C_FLAGS=${OPENSSL_C_FLAGS} -DOPENSSL_EXE_LINKER_FLAGS=${OPENSSL_EXE_LINKER_FLAGS} -DBUILD_ZLIB=${BUILD_ZLIB} -DZLIB_SOURCE_DIR=${ZLIB_SOURCE_DIR} -DZLIB_INSTALL_DIR=${ZLIB_INSTALL_DIR} -DCMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE} -DCMAKE_ANDROID_NDK_TOOLCHAIN_VERSION=${CMAKE_ANDROID_NDK_TOOLCHAIN_VERSION} -DANDROID_NATIVE_API_LEVEL=${ANDROID_NATIVE_API_LEVEL} -DANDROID_ABI=${ANDROID_ABI} -DANDROID_TOOLCHAIN=${ANDROID_TOOLCHAIN} -DANDROID_STL=${ANDROID_STL} -DEXTERNAL_CXX_FLAGS=${EXTERNAL_CXX_FLAGS} -DEXTERNAL_C_FLAGS=${EXTERNAL_C_FLAGS} -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} ${CMAKE_CURRENT_SOURCE_DIR}/tools/android-build WORKING_DIRECTORY ${EXTERNAL_BUILD_DIR} RESULT_VARIABLE CONFIGURE_DEPS_EXIT_CODE) if (NOT ${CONFIGURE_DEPS_EXIT_CODE} EQUAL 0) message(FATAL_ERROR "Failed to configure dependency libraries.") endif() include(ProcessorCount) ProcessorCount(NUM_JOBS) execute_process(COMMAND ${CMAKE_COMMAND} --build ${EXTERNAL_BUILD_DIR} --config ${CMAKE_BUILD_TYPE} -- -j ${NUM_JOBS} RESULT_VARIABLE BUILD_DEPS_EXIT_CODE) if (NOT ${BUILD_DEPS_EXIT_CODE} EQUAL 0) message(FATAL_ERROR "Failed to build dependency libraries.") endif() endif()