Re: [Vala] Question about valac symbols (-D, --define)



Hi Tomasz, 

valac currently doesn't support this kind of c-style macros and as far
as i know they're not planned to be supported ever. (the only
documentation about the preprocessor i could find is in the vala-faq
http://live.gnome.org/Vala/FAQ#Does_Vala_have_a_preprocessor.3F )

Probably you can make your data path customisable rather than fixed or
you can use the Freedesktop standard for directory locations. 

http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html

best regards
Harry

Am Donnerstag, den 07.10.2010, 12:40 +0200 schrieb Tomasz Jankowski:
Hello!

I'm new to Vala. I already integrated it with my project (I use Autotools).
I have problem with defining preprocessor symbol, I want to do something
like this:

gcc -DDATA_DIRECTORY_PATH="../data" main.c -o app


where I use DATA_DIRECTORY_PATH somewhere in main.c as regular string. When
I try to do something similar with valac it fails, her's make output:

/usr/bin/valac --define=DATA_DIRECTORY_PATH="../data" --pkg=gtk+-2.0  -C
main.vala
main.vala:29.17-29.35: error: The name `DATA_DIRECTORY_PATH' does not exist
in the context of `Main.main'
    string path = DATA_DIRECTORY_PATH;
                ^^^^^^^^^^^^^^^^^^^
Compilation failed: 1 error(s), 0 warning(s)
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