[PATCH modular 1/8] build.sh: expose the PREFIX variable for the user to set

[Gaetan Nadon]

On Thu, 2010-12-16 at 22:40 -0500, Trevor Woerner wrote:

> On Thu, Dec 16, 2010 at 9:31 PM, Gaetan Nadon <memsize at videotron.ca> wrote:
> > Currently PREFIX is an internal build.sh variable which is used
> > to emit the --prefix option to all modules.
> >
> > Make this variable part of the public interface and pick-up the value
> > from the environment.
> 
> Currently the user is expected to supply the PREFIX on the build.sh
> command-line. If the user's environment defines a variable named
> PREFIX and the user supplies the PREFIX on the cmdline, which one is
> supposed to win? If the environment defines the PREFIX should we
> remove the requirement to supply it on the cmdline?


From my experience, the command line takes precedence over the
environment variable. I don't think this is written anywhere, it seems
to be a convention. Someone with more UNIX experience can perhaps
confirm this.
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