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Re: [PATCH] vsh: Define HAVE_STDARG_H before including readline



  Pavel Hrdina wrote:

> On Wed, Sep 02, 2020 at 05:47:43PM +0200, Michal Privoznik wrote:
> > As it turned out my previous commits which switched from HAVE_ to
> > WITH_ and dropped stdarg.h detection were a bit too aggressive.
> > Because of reasons described in 9ea3424a178 we need to define
> > HAVE_STDARG_H before including readline otherwise macos build
> > fails. Honestly, I still don't fully understand the problem so I
> > am not going to bother you with "explanation".
> > 
> > Signed-off-by: Michal Privoznik <mprivozn redhat com>
> > ---
> >  tools/vsh.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/tools/vsh.c b/tools/vsh.c
> > index 11f493f969..d063a7f8cb 100644
> > --- a/tools/vsh.c
> > +++ b/tools/vsh.c
> > @@ -30,6 +30,10 @@
> >  #include <signal.h>
> >  
> >  #if WITH_READLINE
> > +/* In order to have proper rl_message declaration with older
> > + * versions of readline, we have to declare this. See 9ea3424a178
> > + * for more info. */
> > +# define HAVE_STDARG_H
> >  # include <readline/readline.h>
> >  # include <readline/history.h>
> >  #endif
> 
> Is this enough to fix the issue? As we include readline.h in virsh.c and
> virt-admin.c as well.
> 
> Pavel

It's not enough, at least to fix build on FreeBSD. Like you said, I had
to make similar change in tools/virsh.c and tools/virt-admin.c to get a
successful build.

Roman Bogorodskiy

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