Re: conditionals in Makefile.am

[Ralf Wildenhues]

Hello,

* NightStrike wrote on Thu, Jul 01, 2010 at 06:58:49PM CEST:
> On Wed, Jun 30, 2010 at 9:56 AM, John Calcote <address@hidden> wrote:
> > On 6/30/2010 3:41 AM, Wesley Smith wrote:
> >>> From the automake manual:
> >>>
> >> You may only test a single variable in an if statement, possibly
> >> negated using ‘!’. The else statement may be omitted. Conditionals may
> >> be nested to any depth. You may specify an argument to else in which
> >> case it must be the negation of the condition used for the current if.
> >> Similarly you may specify the condition that is closed on the endif
> >> line:
> >>
> >>      if DEBUG
> >>      DBG = debug
> >>      else !DEBUG
> >>      DBG =
> >>      endif !DEBUG
> >>
> >>
> >> What's the purpose of "specifying the condition that is closed"?  I've
> >> never seen this kind of construct before.  Is it a substitute for
> >> elseif?
> >>
> >
> > Documentation. There may be several dozen lines of code between the if
> > and the else. A reader may be wondering... else what?
> 
> Does it matter if the endif condition is COND or !COND?

Yes, if you use them, automake expects and verifies the convention
documented in the manual.

Cheers,
Ralf