include(ExternalProject)

if (APPLE)

set(SED_CMMAND sed -i .bkp)

else()

set(SED_CMMAND sed -i)

endif()

ExternalProject_Add(leveldb

PREFIX ${CMAKE_SOURCE_DIR}/deps

DOWNLOAD_NAME leveldb-1.20.tar.gz

DOWNLOAD_NO_PROGRESS 1

URL https://codeload.github.com/google/leveldb/tar.gz/v1.20

https://raw.githubusercontent.com/FISCO-BCOS/LargeFiles/master/libs/leveldb-1.20.tar.gz

URL_HASH SHA256=f5abe8b5b209c2f36560b75f32ce61412f39a2922f7045ae764a2c23335b6664

BUILD_IN_SOURCE 1

LOG_CONFIGURE 1

LOG_BUILD 1

LOG_INSTALL 1

CONFIGURE_COMMAND ${SED_CMMAND} "s#-lsnappy##g" build_detect_platform COMMAND ${SED_CMMAND} "s#-DSNAPPY##g" build_detect_platform

BUILD_COMMAND make out-static/libleveldb.a

INSTALL_COMMAND ""

BUILD_BYPRODUCTS <SOURCE_DIR>/out-static/libleveldb.a

)

ExternalProject_Get_Property(leveldb SOURCE_DIR)

add_library(LevelDB STATIC IMPORTED GLOBAL)

set(LEVELDB_INCLUDE_DIR ${SOURCE_DIR}/include/)

set(LEVELDB_LIBRARY ${SOURCE_DIR}/out-static/libleveldb.a)

file(MAKE_DIRECTORY ${SOURCE_DIR}/out-shared)

file(MAKE_DIRECTORY ${LEVELDB_INCLUDE_DIR}) # Must exist.

set_property(TARGET LevelDB PROPERTY IMPORTED_LOCATION ${LEVELDB_LIBRARY})

set_property(TARGET LevelDB PROPERTY INTERFACE_INCLUDE_DIRECTORIES ${LEVELDB_INCLUDE_DIR})

set_property(TARGET LevelDB PROPERTY INTERFACE_LINK_LIBRARIES Snappy)

add_dependencies(LevelDB leveldb)

unset(SOURCE_DIR)