Re: Errors when building from source

Hi Akim,

On more thing I noticed:

```
$ bison --version
bison (GNU Bison) 3.2.1.139-5fb0d-dirty
Written by Robert Corbett and Richard Stallman.

Copyright (C) 2018 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
```

This is after building the latest commit on master.  The `5fb0d' bit
correctly identifies this commit, but for the version number I was
expecting to see 3.2.4 or later...

---
Best,
Wouter.

Email: [email protected]
WWW: https://triply.cc
Tel: +31647674624

On Thu, Dec 27, 2018 at 5:04 AM Wouter Beek <[email protected]> wrote:
>
> Hi Akim,
>
> > > From the above I had concluded that I should first compile Bison and
> > > Flex later.
> >
> > Can't you get Flex from your distro?
>
> Yes, I'm now installing Flex through the package system (2.6.1).
>
> > > BTW, I also ran into the following error while running the `bootstrap'
> > > script in my local Bison directory for the first time:
> > >
> > >    configure.ac:110: error: possibly undefined macro: AC_PROG_GNU_M4
> > >        If this token and others are legitimate, please use m4_pattern_allow.
> > >        See the Autoconf documentation.
> > >    autoreconf: /usr/bin/autoconf failed with exit status: 1
> > >
> > > The link `m4/m4.m4' was not present in my local Bison directory.
> > > Following the discussion in
> > > https://lists.gnu.org/archive/html/bug-bison/2011-05/msg00012.html, I
> > > learned that running `git submodule update --init' prior to running
> > > `bootstrap' fixes this.
> >
> > That's weird.  What "git status" noticing any difference?
>
> Yes, the missing file seems to have been deleted:
>
> ```
> $ git status
> On branch master
> Your branch is up to date with 'origin/master'.
>
> Changes not staged for commit:
>   (use "git add/rm <file>..." to update what will be committed)
>   (use "git checkout -- <file>..." to discard changes in working directory)
>
>     deleted:    m4/m4.m4
>
> Untracked files:
>   (use "git add <file>..." to include in what will be committed)
>
>     .bootstrap13738.0
>     .bootstrap13738.1
> ```
>
> I now have a working build on another distribution (Fedora).  I still
> encountered the above issue with the missing m4/m4.m4 file.
>
> ---
> Cheers,
> Wouter.

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