H . J . Lu hjl@lucon.org
Fri Nov 16 04:41:00 GMT 2001

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# cat foo.c
extern void bar ();

void (*func) () = bar;

_start ()
{
}
# gcc -g foo.c -c
# ld -o static foo.o
foo.o: In function `_start':
/home/hjl/bugs/gas/discard3/foo.c:6: undefined reference to `bar'

The line number is totally wrong. In the case of the Linux kernel, ld
reports the undefined reference in a totally unrelated source file.

# gcc  foo.c -c
# ld -o static foo.o
foo.o(.data+0x0): undefined reference to `bar'

This one is more useful.


H.J.

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