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Make utility - some Qs togurus..

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Operating Systems Solaris Make utility - some Qs togurus..
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Old 01-30-2007
Make utility - some Qs togurus..
(Sorry for previous not on enlish! I did not realized it is english forum. )
I am looking for help with Make utility. I could not get help from the 'man' pages.
1. About Macro (as a variable): It is clear about defining any macro in beginning or in command line, but isn't it no way to redefine a macro during a processing?
I would need to setup some indicator variable in a dependency section and make some action in futher processing depend on its value.
Example:
IND1=0
SECT_0: DEP_1
<command>; \
<command>; \
if [ IND1 -eq 1 ]; then <command>; fi

DEP_1:
<command>; \
IND1=1
It comes out that the re-definition IND1 is not heppening. Maybe I should do it differently?

Another related problem that it seems there is no way to change an environment variable from any section. Seems that any section is processed in separate subshell?! Is it true?

So, is there any way to have a some kind of 'variable' in makefile, not just a 'constant' as it looks like with macro?

2. Initialization section: I know, it is .INIT: ..., but how to exit makefile if it would be nessesary or prevent to execute all available section if makefile is ran with no specific section name?
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LEARN ABOUT NETBSD

fincore

FINCORE(1)						    BSD General Commands Manual 						FINCORE(1)

NAME

     fincore -- query in-core status of file pages

SYNOPSIS

     fincore [-qs] file ...

DESCRIPTION

     The fincore utility queries and displays in-core status of specified files.

     Note that the result can already be stale when being output due to other activities in the system.  Thus it should be used only for advisory
     purposes.

     The fincore utility accepts the following options.

     -q        The quiet mode.	Outputs nothing unless the file has in-core pages.

     -s        The summary mode.  Only shows number of pages.

EXAMPLES

     The following example shows that /bin/cat and /bin/cp are fully cached in-core while the other executables are not in-core.  numbers shown in
     the default output are page indexes in the file of each in-core pages.

     % fincore /bin/c*
     /bin/cat: 0 1 2 3
     /bin/chio:
     /bin/chmod:
     /bin/cp: 0 1 2 3 4 5
     /bin/cpio:
     /bin/csh:
     % fincore -s /bin/c*
     /bin/cat: 4 / 4 in-core pages (100.00%)
     /bin/chio: 0 / 5 in-core pages (0.00%)
     /bin/chmod: 0 / 3 in-core pages (0.00%)
     /bin/cp: 6 / 6 in-core pages (100.00%)
     /bin/cpio: 0 / 36 in-core pages (0.00%)
     /bin/csh: 0 / 41 in-core pages (0.00%)

SEE ALSO

     mincore(2)

AUTHORS

     The fincore utility is written by YAMAMOTO Takashi.

CAVEATS

     The concept of page cache is an implementation detail of the kernel.  The fincore utility works using some assumptions on the current imple-
     mentation.  Thus it might stop working in a future version of NetBSD.

BUGS

     The amount of CPU time the current implementation of fincore utility would take is roughly proportional to the file sizes.  Ideally it should
     be proportional to the number of in-core pages.

BSD
								  January 5, 2012							       BSD