Re: Interpolating construction variables in compiler flags

[Gary Oberbrunner]

Try something like this:
  $DATADIR = DirPath("#data")
This gives the build path of that dir.
You can get the source path of a file with SourcePath, but I'm not sure 
if that works with a dir name.

-- Gary

H. S. Teoh wrote:
> Hi, I've run into this little rut with Cons: I'm trying to define a C
> preprocessor macro with -D, whose value is a pathname defined in the
> Construct file. The problem is, setting the path in the Construct file to
> "#data" and adding "-DDATADIR=$DATADIR" to $CFLAGS doesn't work, because
> it's not interpolated (cons tries to run g++ with "-DDATADIR=#data"
> without expanding the path).
>
> How do I make Cons interpolate the path before adding it to CFLAGS?
> Or perhaps a better question is, what's the right way to accomplish what I
> want?