[Gllug] GNU make expert question: write variable value to a file

[Richard W.M. Jones]

On Tue, Mar 11, 2003 at 09:17:33PM +0000, Nix wrote:
> OK; your shell trick below seems the best method to use (except that
> you meant $(foo), of course).
> 
> > #!/bin/sh
> > cat <<EOF
> > $foo
> > EOF
> > 
> > This does work but isn't acceptable because the variable in question
> > is very large, and so overflows the environment for this and every
> > other process that the Makefile runs.
> > 
> > Ideas???
> 
> Use `unexport'; there's no need to pass big variables down at all.

Problem is that if I unexport the variable the shell trick doesn't work
because the variable isn't exported to the shell.

Rich.

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