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Gawk on Atari has been compiled and tested using gcc compiler
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(versions 1.4 and 2.4.4) both with and without -mshort flag. Other
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compilers can be used but if sizeof(pointer) != sizeof(int) this
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code will not compile correctly with non-ANSI compiler (prototypes
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Compiled executables were tested and with minor modifications, due
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to differences in environment and/or shell, succesfully completed
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at least the following tests:
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awf, pearls, resub, chem, swaplns, delete, messages, argarray,
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longwrds, getline, inftest, spiece2top, fstabplus, compare, arrayref,
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rs, fsrs, rand, fsbs, negexp, ugh2, asgext, anchgsub, splitargv,
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fieldwidths, ignorecase, posix, manyfiles, igncfs, lisp, regtest,
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awkpath, reparse, nfset.
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Nearly all of these test do not require any adjustments to run, but a
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modified test suite with a driving Makefile (for gulam) is available
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on a request from Michal Jaegermann, michal@gortel.phys.ualberta.ca,
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Setup for Atari assumes that gawk will be used under TOS. In
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particular atari/system.c source is for a system function which nicely
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cooperates with gulam shell and pipes are simulated with temporary
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files. If you plan to run gawk under MiNT then you likely want a
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different system function and real pipes. For that purpose do not
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define SYSTEM_MISSING in a configuration file and do not define
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PIPES_SIMULATED in io.c file. Please note that in the later case gawk
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calls, in gawk_popen(), a function execl() with a hard-coded name of
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"/bin/sh". You want likely to change that to get a name and some
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arguments from an environment variable. This was not done here in
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order to avoid changes which may prove troublesome in a general
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distribution. Subdirectory ./atari contains also a file textrd.c with
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a bug fix for old versions of gcc libraries. This bug is currently
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fixed and the file is not used, but it is left as a convenience for
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those who may not updated yet their libraries.
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README.atari
