src/usr.bin/awk/README - diff

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version 1.2, 1997/08/25 16:17:08

version 1.3, 1999/04/18 17:06:29

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cc -O -c lex.c

cc -O ytab.o b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o -lm

This produces an executable a.out; you will eventually

This produces an executable a.out; you will eventually want to

want to move this to some place like /usr/bin/awk.

move this to some place like /usr/bin/awk.

If your system is does not have yacc or bison (the GNU

equivalent), you must compile the pieces manually. We have

included yacc output in ytab.c and ytab.h, and backup copies in

case you overwrite them.

case you overwrite them. We have also included a copy of

proctab.c so you do not need to run maketab.

NOTE: This version uses ANSI C, as you should also. We have

compiled this without any changes using gcc -Wall and/or local C

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may raise some new complaint; reports of difficulties are

welcome.

This also compiles with Visual C++ 4.1 on Windows 95 and

This also compiles with Visual C++ on Windows 95 and Windows NT,

presumably Windows NT, *if* you provide versions of popen and

*if* you provide versions of popen and pclose. The file

pclose. The file missing95.c contains do-nothing versions that

missing95.c contains versions that can be used to get started

can be used to get started with. It is too much trouble to

with, though the underlying support has mysterious properties,

figure out how to make these work for real.

the symptom of which can be truncated pipe output. Beware.

This is also said to compile on Macintosh systems, using the

file "buildmac" provided by Dan Allen (danallen@microsoft.com),

to whom many thanks. Dan also provided buildwin.bat, a simple

script for compiling on NT if you prefer.

The version of malloc that comes with some systems is sometimes

astonishly slow. If awk seems slow, you might try fixing that.