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64bit with gcc

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devshlom
Regular Advisor

64bit with gcc

Hi,
How do I compile an app / shared lib with 64bit?
I think my compiler doesn't support this option - when I specify -mlp64, I got:
"cc1plus: error: unrecognized command line option "-mlp64""
What can I do to generate such exe/sl?

tx,
s
2 REPLIES
Steven E. Protter
Exalted Contributor

Re: 64bit with gcc

Shalom,

http://gcc.gnu.org/ml/gcc-help/2005-09/msg00032.html

http://www.cyberciti.biz/tips/compile-32bit-application-using-gcc-64-bit-linux.html

http://developer.apple.com/documentation/Darwin/Conceptual/64bitPorting/building/building.html

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Steven E Protter
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Dennis Handly
Acclaimed Contributor
Solution

Re: 64bit with gcc

See your other thread:
http://forums.itrc.hp.com/service/forums/questionanswer.do?threadId=1351333
http://www.hp.com/go/gcc

You need to download HP's gcc compiler which has separate 32 and 64 bit versions for PA.