Fixed fPIC link failure with arm and sparc architectures, fixing issue #757
Added TargetArch.cmake, from
https://github.com/petroules/solar-cmake/blob/master/TargetArch.cmake
if(WIN32 AND NOT UNIX) file(GLOB DLLs *.dll) file(GLOB ICOs *.ico) install(FILES ${DLLs} ${ICOs} DESTINATION ${target_library_install_dir})endif(WIN32 AND NOT UNIX)