jamgram.c #2

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# Change User Description Committed
#2 2617 Matt Armstrong delete fixes incorporated upstream
#1 2581 Matt Armstrong initial branch
//guest/perforce_software/jam/src/jamgram.c
#9 2559 rmg Fix 'var on target ?= value' so that var is only set if it
did not have a target-specific value.  Previously, it would
just overwrite the var's value.

Bug fix documented in RELNOTES.

=== computer:1666: Change 39566 by seiwald@play-seiwald on 2002/12/27 14:44:01
#8 2493 rmg Rewrite the past: update all jam's source with comments to
reflect changes since about 2.3, very early 2001.

Whitespace only change.

=== computer:1666: Change 37660 by seiwald@play-seiwald on 2002/11/06 22:41:35

Note: I regenerated jamgram.c on my linux 7.3 system prior to
the submit, since patch was so unhappy trying to lay down the
changes from Christopher's change. Presumably this is just due to
different yacc/bison/whatever particulars on the system where
Christopher made the changes originally. - rmg
#7 1580 rmg Changes for 2.4beta.

Yes, Christopher, I brashly said "2.4-dev WAS the beta" at tea
yesterday, but I've since come to my better instincts (got
chicken?), so this one will say

  rmg $ jam -v
  Jam 2.4beta. OS=LINUX. Copyright 1993-2002 Christopher Seiwald.

for a week or two, at least.
#6 1535 Perforce staff Define YYMAXDEPTH to 10000 to handle right-recursive rules.
#5 1532 Perforce staff Submit up-to-date built source files for bootstrapping.
Previously, you needed jam to build jam because the built
source files, which make(1) doesn't make, were out of date.
#4 1319 rmg Jam 2.3 + Perforce's internal changes.

This change is a drop of the Perforce internal Jam changes
since the 2.3 public release. The individual changes
represented herein are preserved in the
//guest/richard_geiger/intjam/ branch.

The intent of this drop is to provide a base, from which other
contributors' Jam branches may be integrated into. It is not
intended to become a packaged release in this state. We will
be integrating changes from other users prior to creating the
next packaged release.

Please refer to the src/RELNOTES file for an overview of the
changes present in this integration.

  - Richard Geiger
  Open Source Engineer at Perforce
#3 486 Perforce staff Jam 2.3.
 See RELNOTES for a list of changes from 2.2.x.

Just about every source file was touched when jam got ANSI-fied.
#2 3 Perforce maintenance Jam/MR 2.2.1 (fix for NT handle leak)
#1 2 laura Add Jam/MR 2.2 source