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Asked: 2026-05-13T21:04:18+00:00

I have a Solaris sparc machine and when i build my programs, it generates

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I have a Solaris sparc machine and when i build my programs, it generates 32bit code which should be 64bit. How to check the cause?

$uname -a
SunOS sol 5.10 Generic_118833-33 sun4u sparc SUNW,Sun-Fire-V240
$/usr/sfw/bin/gcc –version
gcc (GCC) 3.4.3 (csl-sol210-3_4-branch+sol_rpath)
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

$/usr/sfw/bin/gcc test.c
$file a.out
a.out: ELF 32-bit MSB executable SPARC Version 1, dynamically linked, not stripped, no debugging information available
$

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1 Answer

  1. Editorial Team

    OSNews – SPARC Optimizations With GCC

    The creation of 64-bit code requires using the -m64 flag (-m32 for 32-bit code is implied by default).

    (Yes, this is different than GCC for x86_64, which defaults to -m64 unless overridden with -m32.)

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