Hi, Peter Hull (2023/10/12 15:04 +0100): > On Thu, 12 Oct 2023 at 14:41, Sébastien Hinderer > <Sebastien.Hinderer@xxxxxxxx> wrote: > > Aht alone was useful. It made me realise that I was using eval, rather > > than m4_eval. I assume this is why it didn't work as expected. > > > > However, eval *is* documented in section 12.2 Evaluating integer > > expressions of the m4 info manual. > The 'm4_' prefix is related to the `-P` option I believe, see > https://www.gnu.org/software/m4/manual/html_node/Operation-modes.html#Operation-modes Ah thanks for the hint! So according to that, I expected that autoconf would call m4 with the -P option and looked at my /usr/bin/autoconf script but it does not seem to contain any occurrence of -P. But perhaps that appears in a sourced file or so. Seb.
