ExternalProject_Add(${proj}
    ${${proj}_EP_ARGS}
    GIT_REPOSITORY "${Slicer_${proj}_GIT_REPOSITORY}"
    GIT_TAG "${Slicer_${proj}_GIT_TAG}"
    SOURCE_DIR ${EP_SOURCE_DIR}
    BINARY_DIR ${EP_BINARY_DIR}
    CMAKE_CACHE_ARGS
    #Not needed -DCMAKE_CXX_COMPILER:FILEPATH=${CMAKE_CXX_COMPILER}
    #Not needed -DCMAKE_CXX_FLAGS:STRING=${ep_common_cxx_flags}
      -DCMAKE_C_COMPILER:FILEPATH=${CMAKE_C_COMPILER}
      -DCMAKE_C_FLAGS:STRING=${${proj}_CMAKE_C_FLAGS}
      -DCMAKE_INSTALL_PREFIX:PATH=${EP_INSTALL_DIR}
      -DBUILD_CURL_TESTS:BOOL=OFF # BUILD_TESTING is not used
      -DBUILD_CURL_EXE:BOOL=OFF
      -DBUILD_DASHBOARD_REPORTS:BOOL=OFF
      -DCURL_STATICLIB:BOOL=ON
      -DCURL_USE_ARES:BOOL=OFF
      -DCURL_ZLIB:BOOL=ON
      -DZLIB_INCLUDE_DIR:PATH=${ZLIB_INCLUDE_DIR}
      -DZLIB_LIBRARY:FILEPATH=${ZLIB_LIBRARY}
      -DCURL_DISABLE_FTP:BOOL=ON
      -DCURL_DISABLE_LDAP:BOOL=ON
      -DCURL_DISABLE_LDAPS:BOOL=ON
      -DCURL_DISABLE_TELNET:BOOL=ON
      -DCURL_DISABLE_DICT:BOOL=ON
      -DCURL_DISABLE_FILE:BOOL=ON
      -DCURL_DISABLE_TFTP:BOOL=ON
      -DHAVE_LIBIDN:BOOL=FALSE
      -DCMAKE_USE_OPENSSL:BOOL=${CURL_ENABLE_SSL}
    ${EXTERNAL_PROJECT_OPTIONAL_CMAKE_ARGS}
    DEPENDS
      ${${proj}_DEPENDENCIES}
    )