Re: how to create dependencies for conditional sources

[Ralf Wildenhues]

Hello Roumen,

* Roumen Petrov wrote on Sun, Jul 01, 2007 at 09:30:51PM CEST:
> Ralf Wildenhues wrote:
> >
> >noinst_PROGRAMS = target
> >target_SOURCES = main.c
> >
> >if WITH_CASE1
> >target_SOURCES += case1.c
> >endif
> >
> >if WITH_CASE2
> >target_SOURCES += case2.c
> >endif
> >--- snip ---
> >
> >With the above, there is no need to set target_LDADD or
> >target_DEPENDENCIES.

> Its seems to me that automake 1.9.6 textinfo page "Conditional Sources" 
> is obsolete.  Since page in CVS is same, please update textinfo.

I assume you're speaking about this (for version 1.10):
<http://sources.redhat.com/automake/automake.html#Conditional-Sources>

Well, details matter here.  If you list sources explicitly but
conditionally in Makefile.am, then automake is smart enough to infer the
dependencies.  If OTOH you assign them to a variable in configure.ac,
there is no way for automake to find out.  In that latter case you do
need to set *_DEPENDENCIES.

Hope that helps.

Cheers,
Ralf