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Commit 3a1b88bb authored by Francois-Rene Rideau's avatar Francois-Rene Rideau
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1.700: big rewrite of TRAVERSE.

* split traverse into multiple functions.
* don't append things all over traverse, use a collector function
* don't insert and remove prune-op to indicate something needs be done
 even when the collected list is empty... use a boolean flag in all cases.
* fix the age-old broken :force (system1 ... system2) feature... with a cerror!
* fix the age-old broken (:feature :foo dependency) feature... with a cerror!
* tighten :version syntax to only accept the keyword, not any same-named symbol.
* use hash-tables for O(1) access where linear search was previously used,
 notably in visited-nodes and in components-by-name.
* use more uniform #+ features for windows.
* modify defclass to make POIU happier (hopefully).
* factor probe-asd out of sysdef-source-registry-search and sysdef-central-registry-search
* fix safe-file-write-date, which I had previously broken when accepting a null pathname.
* have serial-depends-on only name the previous thing to depend on.

Passes tests on sbcl, clisp, ecl, lispworks, allegro.
Fails on gclcvs: bind stack overflow. Is that a regression?

small website updates.
parent 01647351
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