If you try to debug a multiple files program with gdb, someting you see error output from gdb like this
….
/usr/src/build/87732-i386/BUILD/gcc-2.96-20000731/obj-i386-redhat-linux/gcc/../../gcc/libgcc2.c(.rodata+0×0):
multiple definition of `_fp_hw’
/usr/local/condor/lib/condor_rt0.o(.rodata+0×0): first defined here
hello.remote: In function `__moddi3′:
/usr/src/build/87732-i386/BUILD/gcc-2.96-20000731/obj-i386-redhat-linux/gcc/../../gcc/libgcc2.c(.data+0×4):
multiple definition of `__dso_handle’
/usr/lib/gcc-lib/i386-redhat-linux/2.96/crtbegin.o(.data+0×0): first
defined here
hello.remote: In function `_init’:
hello.remote(.init+0×0): multiple definition of `_init’
……
add --allow-multiple-definition to your compile flags. This tells the linker allow multiple definition of _init or other fucntions Now you can use gdb to debug.
