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| From: | Ian Molton |
| Subject: | Re: Problem linking *without* avr-libc, libm, etc. (SOLVED) |
| Date: | Tue, 22 Jun 2021 16:57:47 +0100 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1 |
On 01/05/2021 01:11, David Kelly wrote: > Has been a long time for me but Once Upon A Time it wasn’t just a matter > of “not using functions in the library”. AVR-gcc required primatives > other than startup code. It still does - not just on AVR - also on ARM and others. It was quite amusing when I implemented the "internal" memcpy() - in C - only to find that the compiler outsmarted me and implemented it as a call to itself (which obviously crashed the stack). doh! So I've "borrowed" a few bits from avr-libc and avr-gcc to allow my project to build independently of them. -Ian
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