Error Installing ea utils on Mac (OSX 10.7.5 Lion)

[oakeseh]

When trying to build ea utils with the make command I get this error:

g++ -O3 -I. fastq-lib.cpp tidx/tidx-lib.cpp -o varcall varcall.cpp -lgsl -lgslcblas
/usr/include/c++/4.2.1/bits/stl_pair.h: In instantiation of ‘std::pair<const std::string&, const std::vector<annot, std::allocator > >’:
tidx/tidx-lib.cpp:34: instantiated from here
/usr/include/c++/4.2.1/bits/stl_pair.h:84: error: forming reference to reference type ‘const std::string&’
make: *** [varcall] Error 1

gsl is installed