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jmcnamara (659)
jmcnamara
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http://search.cpan.org/author/jmcnamara/
'ere I am, J.M.! The ghost in the machine:
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http://search.cpan.org/author/jmcnamara/
'ere I am, J.M.! The ghost in the machine:
perl -MCPAN -e 'install jmcnamara & _ x ord $
Wednesday February 23, 2005
06:27 AM
make what I mean
I was aware that make has implicit rules and that if you have a simple C program without a makefile, you can still do the following:
$ make hello
cc hello.c -o hello
And you end up with an executable.
However, I was surprised when I tried the following for a yacc grammar (again there is no makefile):
$ make foo
yacc foo.y
mv -f y.tab.c foo.c
cc foo.c -o foo
Handy.
Also, in relation to Yacc, here is a footnote from the O'Reilly Lex & Yacc book:
Yacc's use of dot to show where you are in the rule can get confusing if you have rules with dots in them. Some versions of yacc use an underscore rather than a dot, which can be equally confusing if you have rules with underscores in them.
I have a feeling that you could keep going on like this.
Or is it a BUG?"
"Let's call it an accidental feature. :-)"
--Larry Wall in <6909@jpl-devvax.JPL.NASA.GOV>
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