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Re: Can LD give warnings about the non-static functions defined but never used explicitly?


Alan Modra wrote:
On Mon, Nov 24, 2008 at 03:19:32PM +0800, Pan ruochen wrote:
Can LD give warnings about the non-static functions defined but never
used explicitly? I want to optimize the code size by removing those
unused functions.

No, but if you compile with -ffunction-sections -fdata-sections and link with -gc-sections, ld will trim off the unused functions for you.



When using --gc-sections, --print-gc-sections will list all removed sections.

j.


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