Link error

[sunhuaiqiang]

it returns following error when compiling, it seems a link error, but no library specified

CMakeFiles/bruker_to_ismrmrd.dir/main.cpp.o: In function main': main.cpp:(.text.startup+0x1102): undefined reference to ISMRMRD::Dataset::Dataset(char const*, char const*, bool)'
main.cpp:(.text.startup+0x1de5): undefined reference to ISMRMRD::Dataset::writeHeader(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)' main.cpp:(.text.startup+0x1f55): undefined reference to ISMRMRD::Dataset::~Dataset()'
main.cpp:(.text.startup+0x23bc): undefined reference to ISMRMRD::Dataset::appendAcquisition(ISMRMRD::Acquisition const&)' main.cpp:(.text.startup+0x247a): undefined reference to ISMRMRD::Dataset::~Dataset()'
main.cpp:(.text.startup+0x271f): undefined reference to `ISMRMRD::Dataset::~Dataset()'
collect2: error: ld returned 1 exit status
src/CMakeFiles/bruker_to_ismrmrd.dir/build.make:114: recipe for target 'src/bruker_to_ismrmrd' failed
make[2]: *** [src/bruker_to_ismrmrd] Error 1
CMakeFiles/Makefile2:87: recipe for target 'src/CMakeFiles/bruker_to_ismrmrd.dir/all' failed
make[1]: *** [src/CMakeFiles/bruker_to_ismrmrd.dir/all] Error 2
Makefile:138: recipe for target 'all' failed
make: *** [all] Error 2