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From:Eric Maryniak Date:March 18 1999 10:17am
Subject:-O1 fix for Solaris still necessary for latest MySQL with
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When compiling MySQL with egcs (1.1.1) on Sun-Sparc/Solaris, the
docu says ("4.11 System specific notes - 4.11.1 Solaris notes") on
p. 44 to use the -O1 flag because higher levels of optimization
produce wrong code.
(by the way: i noticed the configure script still generates Makefiles
that have "-O6" (hard coded it seems) in it, but _fortunately_ it is
followed by "-O1" and egcs favours the last optim. level---hmm, does not
really make you feel safe?).

Now egcs 1.1.2 is out ( and from the changes
it seems they're mostly bug fixes (a/o in the code generation).
My question: does the new egcs still produce wrong code with -O6 on
Solaris or is it safe now to use -06.

And a request: it would be very nice if configure just figures out it is
running on a Solaris (`uname`) and generates the proper CC, CXX and
CFLAGS/CXXFLAGS, so you can just say: ./configure && make && make install

Bye-bye, Eric Maryniak
Eric Maryniak <e.maryniak@stripped>
Home page:
Netherlands Institute for Scientific Information Services (NIWI)
Tel/Fax: +31 20 4628650/6685079. Internet:

Computers are like airconditioners - they stop working properly
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-O1 fix for Solaris still necessary for latest MySQL withegcs-1.1.2?Eric Maryniak18 Mar
  • -O1 fix for Solaris still necessary for latest MySQL withegcs-1.1.2?Michael Widenius18 Mar
  • Re: MyODBC Install problemsJuergen Hoffmann27 Jul