Hi,

On Sun, Nov 06, 2022 at 05:31:12PM +0100, R. Diez wrote:
> CFLAGS="-g -O0"
> 
> to the "make" command, in order to disable optimisations that make debugging 
> difficult.

I think instead you should be doing

CFLAGS="-g -O0" ./configure

instead, I just tried and it works as expected.

> there is the following command:
> 
> scan-build make CFLAGS="-std=gnu99 -I. -I../../jimtcl"
> 
> And you wouldn't normally add such '-I' flags if there wasn't such an issue.

I do not remember all the details but IIRC it was something about how
scan-build interacts with autoconf-based projects and how configure
uses CC variable to embed some essential additional flags, and CC is
exactly what scan-build overrides.

HTH
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