So, if I am not mistaken, we currently execute the stage1 compiler using
the runtime sources that we compile out of the user's directory. As the
stage1 binary is built using the snapshot, this doesn't seem quite
right: we ought to be executing it using the snapshot runtime. The
stage2 and stage3 binaries, then, ought to execute using the runtime
from the user's directory.
The way things are setup now, if I want to make a change to the runtime,
I have to ensure that the rt code will still execute with what is being
produced by the snapshot compiler. Under my proposed setup, the runtime
would only have to work with the code produced by the stage1 compiler
(i.e., with the code produced by the sources in the user's directory,
not the code produced by the snapshot). This ought to make migration
significantly easier!
Does this seem correct to everyone else, or am I missing something?
If others agree, I will modify the buildsystem so that
stage0/lib/$(TRIPLE)/$(CFG_RUNTIME) (on mac) comes from the snapshot,
and stage1/lib/$(TRIPLE)/$(CFG_RUNTIME) comes from
rt/$(TRIPLE)/$(CFG_RUNTIME).
Niko
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