[bunch of messages] 
[ 73%] Building C object lib/CMakeFiles/glyr.dir/intern/backdrops/htbackdrops.c.o
[ 74%] Linking C shared library ../bin/libglyr.so
/usr/bin/ld: cannot find -lgthread-2.0
cc: error: linker command failed with exit code 1 (use -v to see invocation)
*** Error code 1

Stop.
make[2]: stopped in /usr/home/kgrider/glyr
*** Error code 1

Stop.
make[1]: stopped in /usr/home/kgrider/glyr
*** Error code 1

Stop.
make: stopped in /usr/home/kgrider/glyr