On 2007-06-30, N. Coesel <[email protected]> wrote:
>>I'm trying to get mspgcc to optimize my binary's size by
>> removing unused functions during the linking process. gcc
>> supports this feature starting from a version >=4.0
IIRC gcc has supported that since before 2.0.
>> adding this
>>
>>CLFAGS = -ffunction-sections -fdata-sections
>>LDFLAGS = --gc-sections
> You could consider placing each function into a seperate file.
That's a bad idea as it requires data shared by the functions
to be placed in the global namespace
> But if your software contains unused functions, why bother to
> keep the unused functions?
Becase in some versions of the product they are used.
> You can delete them or compile them conditionally with #ifdef.
Just use -ffunction-sections. That's what it's intended for.
--
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at bouquet with a subtle
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