my own printf

[PCu1]

Hi,

I use my own printf(printf, snprintf...) in STM32 since many years.

In atollic I added -fno-builtin-fprintf -fno-builtin-printf -fno-builtin-sprintf in the compiler option.

Now with Cube IDE I do the same but the linker tells me that there are two definitions of some functions related to printf.

I checked with multiple options without success.

I'm using C and C++ because I'm working with touchGFX.

Any idea?

Thank you

Pierre

[Tesla DeLorean]

Scan the libraries it is pulling and where the printf() comes from, then use a librarian tool to remove the unwanted functions if you can't otherwise eliminate the library or object in question.

[Pavel A.]

Maybe the little known GNU linker trick with "wrapped" functions can help.

Add options -Xlinker --wrap=printf -Xlinker --wrap=sprintf

and #define printf __wrap_printf

--pa

[PCu1]

Thank you for yours answers.

Finally I renamed all the functions in my printf file with "Trace_" prefix.

Because I call it via a macro (to enable/disable debug console), I had only one line to change.

It stays clean.

Pierre