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Code to pass variable definitions to submakes through make flags.
Not activated yet, need to fix src/ first.
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Replace a few int -> size_t
Reviewed by miod@
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In particular, Dir_MakeFlags is abusing str_concat, and works much better
with buffers.
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Apart from a few casts, VAR_GLOBAL and friends are separate
data structures, so we use a small array for local variables.
We also junk allVars, since TargFreeGN can release local nodes,
and var.c has explicit lists for its variables already.
Reviewed millert@ and miod@.
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the GNode's context directly. We rename that special Lst to `SymTable *'
in prevision of things to come.
Along the line, we lose the special GNodes affected to VAR_CMD, VAR_GLOBAL,
VAR_ENV, which become simple Lsts... This is not a problem, except when
getting to a context's name for debugging (handled very nicely by
offsetof).
Again, this is a preparatory patch, which does not gain anything except
for cleaning up issues...
Reviewed by millert@ and miod@, like the previous patch
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This patch may seem a bit non-sensical at first. It simply introduces some
new interface. Specifically, recognizes that some variable names
(.TARGET/$@, .OODATE/$?, .ALLSRC/$>, .IMPSRC/$<, .PREFIX/$*, .ARCHIVE/$!,
.MEMBER/$%) are `special' (the actual variables which are local to a
target, e.g. GNode).
Currently, The Varq functions (for Varquick access) are only stubs to the
normal functions.
This fixes a very important detail before proceeding to turn variable lists
into hash tables: if every GNode holds a hash table, initialization times
for those will be very costly. But generic GNodes only hold those seven
special variables... which can be stored directly into a small array;
the only general cases are the environment, the command line and
global variables.
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- in Dir_Expand, path is a misnomer. Use a temp variable instead...
Reformat code for readability.
- Change Parse_MainName/Targ_FindList so that they fill arguments instead
of allocating new lists.
- nuke Targ_FindList(TG_NOCREATE), as this is never used.
- close a small memory hole (forgot to free sysMkPath if CLEANUP).
Reviewed by millert@
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In fact, it can become a macro based on Lst_ForEachFrom.
This also introduces Lst_Every, as a shortcut for the very common case where
Lst_ForEach does not need any user data.
Finally, make consistent use of a few function typedefs, instead of having
explicit void (*)(Lst) arguments all over the place.
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keep them for error reporting.
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- let *_MTime return booleans, as that's what they're used for, the time_t
is set as a side effect.
- use OUT_OF_DATE for a date starting point, set it at the origin of time.
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for reminding me.
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split the function specific to for.c out, and give them more sensible
arguments at the same time.
This makes .for loop handling more efficient, as we have some heuristic
to evaluate the size of the buffer needed...
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- split For_Eval into For_Eval (first line of loop) / For_Accumulate
(remaining lines).
- encapsulate state into a For structure, instead of brain damaged static
variables that need copy.
Very minor performance hit, specifically, For structure is allocated with
malloc/free, instead of playing tricks with static/auto variables.
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- use it to replace .for parsing with something approaching sanity.
(this removes one of the few most blatant misuses of Bufs in make.
More changes to come... patch reviewed by ho@
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(cvs file was copied from nonints.h to give a better sense of history).
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Parse_String starts in the current line, but at a given line number.
.for loops yield correct line numbers, much easier to debug !
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- don't interfere with MACHINE/MACHINE_ARCH defines for bootstrap
- type clean-up, time_t, and printing `unknown' ints
- fix TARGET/MEMBER bug in archive rules
- memmove...
- cleaner Error handler.
- reentrant brk_string
- .MAKE env variable
- preliminary scaffolding for .NOPATH
Other improvements:
- efree
- shellneed streamlined
- display Stop in .CURDIR after an error.
- document most features and misfeatures.
- add a few OpenBSD notes to the tutorial.
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- Merge in FreeBSD and Lite2 changes.
- Fix bug where a non-archive target with a .a suffix would always
be considered to be out of date, since it does not have a TOC.
- Fix NetBSD PR #2930: declare missing variable.
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(christos)
Fix bug reported by Greg Hudson where leaf (source only) nodes were
referenced only by their basename and not by their full pathname. This
breaks when .PATH or MAKEOBJDIR are used. There might be Makefiles
around that try to work around this bug by prepending ${.CURDIR} to
the sources, and they should be found and fixed. Also a lot of the gunk
in suff.c that was attempting to work around the same problem could be
removed.
(christos)
- Move -D flags from Makefile to config.h and explain what they do. Add
-Wall -Wno-unused to CFLAGS. Add new define SYSVVARSUB to enable SysV
style variable substitutions and enable them.
- Add SunOS style command substitutions via SUNSHCMD
- Fix core dump with '{variable = value'
(christos)
Fix bug where make will always exit with 0, even when one or more
parallel jobs failed. (Only affects parallel make code)
(christos)
Protect __P from being multiply defined (for systems that already
define it)
(christos) Add strdup() since ultrix is missing it.
From Larry Schwimmer <rosebud@cyclone.Stanford.EDU>
(christos) Add estrdup(), a checked version of strdup and use it.
(christos) Recognize SVR4 style long filename entries in archives.
(thorpej) Tidy up some RCS ids a bit.
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Minor:
- ${.PREFIX} should never contain a full pathname
- Fixed gcc -Wall warnings
Major:
- compatMake is now FALSE. This means that we are now running in
full pmake mode:
* rules on dependency lines can be executed in parallel and or
out of sequence:
foo: bar baz
can fire the rule for baz before the rule for bar is fired.
To enforce bar to be fired before baz, another rule needs to be
added. [bar: baz]
* adjacent shell commands in a target are now executed by a single
invocation of the shell, not one invocation of the shell per line
(compatMake can be turned off using the -B flag)
- The -j flag now works... I.e. make -j 4 will fork up to four jobs in
parallel when it can. The target name is printed before each burst
of output caused by the target execution as '--- target ---', when j > 1
- I have changed all the Makefiles so that they work with make -j N, and
I have tested the whole netbsd by:
'make -j 4 cleandir; make -j 4 depend; make -j 4; make -j 4 install'
- I have not compiled or tested this version of make with -DREMOTE.
- Turn compat mode on by default. It gets turned off when the -j without
the -B flag is specified. [Thus you can use -j 1 to turn it off].
- Fix malloc -> emalloc as Gordon noted.
Updates for POSIX/SVR4 compiling:
arch.c: Don't require ranlib stuff. Not everybody has it.
dir.c: SunOS-4 != Solaris; change #ifdef sun to #if sun && !__svr4__
job.c, compat.c: Don't use 'union wait', use int and the W*() macros.
main.c: Check for uname() == -1; some unames return > 0...
util.c, job.c: Add signal() with BSD semantics for svr4, don't use bsd
sigmask and friends.
from cgd@netbsd:
pull in make.h. (PAlloc() now uses emalloc(), which is prototyped in
make.h. If the prototype is not in scope on the Alpha, I see lots
of "cast to pointer from integer of different size" warnings.)
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