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When compiling on DECstation running Ultrix 4.0 a command 'cc -c -O
regex.c' is causing an infinite loop in an optimizer. Other sources
compile fine with -O flag. If you are going to use this flag either
add a special rule to Makefile for a compilation of regex.c, or issue
'cc -c regex.c' before hitting 'make'.
From: Steve Simmons <scs@wotan.iti.org>
Subject: Non-bug report on gawk 2.13.2
To: david@cs.dal.ca, arnold@skeeve.atl.ga.us
Date: Thu, 25 Jul 1991 13:45:38 -0300
Just fyi -- it passes tests with flying colors under Ultrix 4.2. The
README.ultrix file applies more than ever. You might want to add
these paragraphs to it:
As of Ultrix 4.2 the optimise works for regex.c, but you must give an
additional switch to get everything optimised. Using '-Olimit 1500'
does the job. Without the switch gawk will compile and run correctly,
but you will get complaints about lost optimisations in builtin.c,
awk.tab.c and regex.c.
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