g++ -o opxml opxml.o stable.o oprofiledb.o symbol.o sample.o session.o samplefile.o imageheader.o opinfo.o xmlfmt.o xmlbuf.o xmltag.o sevent.o profileimage.o \
	-lop -lodb -loputil++ -loputil -lbfd -liberty
/usr/lib/libbfd.a(plugin.o): In function `try_load_plugin':
(.text+0x3f4): undefined reference to `dlopen'
/usr/lib/libbfd.a(plugin.o): In function `try_load_plugin':
(.text+0x417): undefined reference to `dlsym'
/usr/lib/libbfd.a(plugin.o): In function `try_load_plugin':
(.text+0x4a3): undefined reference to `dlerror'
collect2: ld returned 1 exit status
make: *** [opxml] Error 1