hell@hells:~/svn/192.0.50.89/qt4_saprfc/trunk/TestConnection$ gdb TestConnection -fullname -quiet Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) break main.cpp:19 Breakpoint 1 at 0x804d964: file main.cpp, line 19. (gdb) break qt4_saprfc.h:79 Breakpoint 2 at 0x804dc9a: file ../qt4_saprfc.h, line 79. (gdb) quit hell@hells:~/svn/192.0.50.89/qt4_saprfc/trunk/TestConnection$ gdb TestConnection -fullname -quiet Using host libthread_db library "/lib/tls/libthread_db.so.1". (gdb) break qt4_saprfc.h:79 Note: breakpoint -1 (disabled) also set at pc 0x0. Breakpoint 1 at 0x0: file ../qt4_saprfc.h, line 79. (gdb)