Re: make fails to build on linux

[Jaromír Doleček <jaromir.dolecek%gmail.com@localhost>]

Le sam. 17 avr. 2021 à 19:49, Manuel Bouyer <bouyer%antioche.eu.org@localhost> a écrit :
>
> On Sat, Apr 17, 2021 at 07:25:58PM +0200, Manuel Bouyer wrote:
> > Hello
> > trying a build.sh tools on linux I got:
> > /dsk/l1/misc/bouyer/HEAD/clean/src/tools/compat/../../lib/libc/regex/regcomp.c:
> > In function '__regex_wctype':
> > /dsk/l1/misc/bouyer/HEAD/clean/src/tools/compat/../../lib/libc/regex/regcomp.c:254:2: error: 'for' loop initial declarations are only allowed in C99 mode
> >   for (size_t i = 0; i < __arraycount(wctypes); i++) {
> >     ^
> > /dsk/l1/misc/bouyer/HEAD/clean/src/tools/compat/../../lib/libc/regex/regcomp.c:2
> > 54:2: note: use option -std=c99 or -std=gnu99 to compile your code
> >
> > What is the right fix for this ?
> >
> > For now I just moved the declaration outside of the loop
>
> Well, the build fails later with the same error.
> Using "-V HOST_CFLAGS=-std=gnu99" allows the tools to build; maybe
> this should be the default ?

I think it would be sensible to use -std=c99 by default, yes. It's
strange that the Linux toolchain refuses it by default, do we force
some other -std flag by default now by chance?

Jaromir