[CMake] Problems with EnternalProjectAdd

[Workbench@gmx.at]

Hi again,

i try to install my dependencies with ExternalProjectAdd but it gives me 
troubles... what's wrong with


     ExternalProject_Add(
         freetype
         PREFIX "${CMAKE_BUILD_DIR}/freetype"
         GIT_REPOSITORY "https://github.com/brooklynpacket/freetype2.git"
         GIT_TAG 64bit
         BUILD_COMMAND "cd ${CMAKE_BUILD_DIR}/freetype/src/freetype && 
./autgen.sh && ./configure && make"
         LOG_DOWNLOAD ON
         LOG_INSTALL ON
         LOG_CONFIGURE ON
         LOG_BUILD ON
         LOG_TEST ON
         LOG_INSTALL ON
         )

best regards!