hi,
i've included -L/path/to/m_pd.h in the makefile
the path to an include should be set at compiling stage with :
-I/path/to/m_pd.h,
then the path to the library is set at the linking stage with the following options :
-L/path/to/libOSC.so -lOSC
this, on any compiler/linker.
regards,
sevy/yves