bug#12688: [LaTeXila] AM_PROG_VALAC: error message -> warning message

[Matthieu Baerts]

Hello

20/10/2012 00:11 +0200, Sébastien Wilmet wrote:
> Hello,
> 
> In the AM_PROG_VALAC macro, when the optional parameter specifying the 
> minimum release number is not provided, and if the Vala compiler is not 
> found, then there is a _warning_ message.
> 
> On the other hand, when the version number is specified, when the Vala 
> compiler is too old, there is an _error_ message.
> 
> This error message is problematic, because for a tarball, the Vala 
> compiler is not required: the generated C code is included in the 
> tarball. So if a user wants to compile the software, he shouldn't need 
> the valac program.
> 
> So the AC_MSG_ERROR should be modified as a AC_MSG_WARN.

I confirm that I had this problem with LaTeXila: I had a too old version
of Vala and I was not able to compile LaTeXila except if
'/usr/bin/valac' was removed/renamed.

This is how this bug has been fixed in LaTeXila:
https://github.com/swilmet/latexila/commit/993b073c71f094ca5c15cb2a44e69399176b882a
 (for those who wants a workaround ;) )

Note that if a warning message is produced when a too old version is
detected, 'VALAC' variable has to be unset in vala.m4


This bug should be fixed with the attached patch :)


Thank you,

Matt

0001-m4-AM_PROG_VALAC-should-not-produce-an-error.patch
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