build system

[Simon Peyton-Jones]

Ian

In compiler/, if I say "make 1", it rebuilds the stage1 compiler, AND THEN RE-CONFIGURES all the libraries.  The latter takes ages.

The whole point of 'make 1' is to make the stage1 compiler only, without the knock on effects.  As it now stands, it takes 5 seconds to rebuild the compiler (say recompiling one module) and then a minute or two to reconfigure all the libraries.

Could you fix this?

Thanks

Simon
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