Re: The place of data files...

[José Alburquerque <jaalburquerque cox net>]

On Thu, 2009-07-23 at 18:14 +0200, Sever P A wrote: 
> Hi,
> 
> Actually, I'm packing all my GTKmm project files of a programm that
> manages png data files using the autotools and the question is that I
> don't reach to understand the tutorial (placed there:
> http://bec-systems.com/web/content/view/95/9/) when explains "How does
> my program know where $(datadir) is located". Why there is no C/C++
> code (while every system can put data files in a different place....)
> ?

No C/C++ code is needed because AM_CFLAGS is used to tell the compiler
to define the DATADIR preprocessor constant to the value of $(datadir)
via the -D option (man gcc for more info).  The constant may be used in
the source as any constant defined with the '#define' directive would be
used.  For example:

printf("The data directory is %s\n", DATADIR);

I think that for C++, AM_CPPFLAGS does the same as AM_CFLAGS does for C.

-- 
José Alburquerque