cmake/DownloadZookeeper.cmake

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## Download Apache zookeeper 
## SOURCE_DIR is typically the cmake source directory
## BINARY_DIR is the build directory, typically 'build'

#################### ZOOKEEPER

function(download_zookeeper SOURCE_DIR BUILD_DIR)
  ExternalProject_Add(
      ZooKeeper
      URL "https://archive.apache.org/dist/zookeeper/zookeeper-3.4.8/zookeeper-3.4.8.tar.gz"
      PREFIX "${BUILD_DIR}/dependencies"
      SOURCE_DIR "${BUILD_DIR}/dependencies/zookeeper-src"
      BINARY_DIR ${BUILD_DIR}/dependencies/zookeeper-src/src/c/
      CONFIGURE_COMMAND ./configure --without-cppunit --prefix=${BUILD_DIR}/dependencies/zookeeper-install
      PATCH_COMMAND patch ${BUILD_DIR}/dependencies/zookeeper-src/src/c/src/zookeeper.c ${CMAKE_CURRENT_SOURCE_DIR}/cmake/patches/zookeeper.3.4.x.buf
      UPDATE_COMMAND ""
  )
  add_library(zookeeper STATIC IMPORTED)
  set_target_properties(zookeeper PROPERTIES IMPORTED_LOCATION "${BUILD_DIR}/dependencies/zookeeper-install/lib/libzookeeper_mt.a")
  add_dependencies(zookeeper ZooKeeper)
  set(ZOOKEEPER_DIR "${BUILD_DIR}/dependencies/zookeeper-install/" CACHE STRING "" FORCE)
endfunction(download_zookeeper)