64 bit compilation using g++ on Solaris10

StackOverflow https://stackoverflow.com/questions/18081775

  •  23-06-2022
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Question

I am trying to compile one test cpp code using shared installation of g++ on Solaris10 but it is compiling in 32 bit mode only.

/tools/gnu/bin/g++ -v
Reading specs from /tools/gnu/lib/gcc-lib/sparc-sun-solaris2.7/2.95.2/specs
gcc version 2.95.2 19991024 (release)

/tools/gnu/bin/g++ -g -m64 ~/test9.cpp
cc1plus: -m64 is not supported by this configuration
cc1plus: -mptr32 not allowed on -m64


uname -aimnprsvX
SunOS md1sisun26 5.10 Generic_141444-09 sun4v sparc sun4vSystem = SunOS
Node = md1sisun26
Release = 5.10
KernelID = Generic_141444-09
Machine = sun4v
BusType = <unknown>
Serial = <unknown>
Users = <unknown>
OEM# = 0
Origin# = 1
NumCPU = 8

Can you please suggest me what option should I give here to generate 64 bit binary?

Thanks Niraj Rathi

Was it helpful?

Solution

gcc 2.95.2 on Solaris does not support -m64. You need to upgrade the compiler.

This message might also give some insight.

OTHER TIPS

It looks like you have a 32 bits version of Solaris... You can test if I'm true with:

/usr/bin/isainfo -kv
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