g++ - my own .so lib Ubuntu->Debian migration (cannot open shared library) -

recently migrated self ubuntu debian, (fortunetly didn't delete old os) on ubuntu had written litle library called

libmyh.so 

i've used in other app

g++ (...) -lmyh -l../codesamples/myh/lib 

and ran perfectly, on debian witch same makefile get:

./glui.out: error while loading shared libraries: libmyh.so: cannot open shared object file: no such file or directory 

any clue wat wrong?

.so files not linked g++, because not static libraries (which end .a) or compilation objects (.o).

instead, set path load dynamic libraries:

export ld_library_path=/path/to/codesamples/myh/lib ./glui.out 

as not related debian vs ubuntu, think have set variable on ubuntu system not on debian one.