Re: AM_CONDITIONAL fails with line break at the end of $2

[Dimitrios Apostolou]

Hi Erik, thank you for forwarding to the appropriate list!

On Thu, 17 Jul 2014, Eric Blake wrote:
> I don't know if automake should work around your bad syntax, or if you
> should just fix your configure.ac to use correct syntax to begin with. I

Is my syntax illegal? Can't I put line-breaks there? If I knew I wouldn't 
bother with this patch, it's just that I consumed some time to figure out 
this failure, so I thought it would be helpful to others.

> also wonder if automake could use AS_IF instead of open-coding the if to
> try and take advantage of autoconf's smarts for trying to sanitize
> conditions.
>
> However, even autoconf's AS_IF current implementation prefers the 'if
> cond; then' rather than 'if cond $newline then', so it is likewise not
> robust to conditions ending in a spurious newline.  If changing AS_IF to
> use newline separator does not increase configure size, I could see
> making that change in autoconf.  I'll play with the idea.

Thanks, please keep me posted!

Dimitris