You have to use the flags -m32 or -m64 to specify the target. The i686 will
target 32bit by default, the same happens with the x86_64, it defaults to
64bit.
2014/1/17 Jim Michaels <jmich...@yahoo.com>
> there is lib and lib64, how do I target specific cpu type (32-bit/64-bit)?
> am using
> i686-4.9.0-snapshot-20131119-rev205009-posix-sjlj-rt_v4
> x86_64-4.9.0-snapshot-20131119-rev205009-posix-sjlj-rt_v4
> which of these compilers is hosted on x64? does posix mean the posix
> subsystem of windows be installed for it to work (already did, but need to
> know for customers)?
>
> in the 64-bit compiler, it has lib and lib32.
> in the 32-bit compiler, it has lib and lib64.
> so now curious what this all now means.
> thanks.
>
> -------------
> Jim Michaels
> jmich...@yahoo.com <jmich...@yahoo.com>
> j...@renewalcomputerservices.com
> http://
> <http://renewalcomputerservices.com/>RenewalComputerServices.com<http://renewalcomputerservices.com/>
> http://JesusnJim.com <http://jesusnjim.com/> (my personal site, has
> software)
> ---
> IEC Units: Computer RAM & SSD measurements, microsoft disk size
> measurements (note: they will say GB or MB or KB or TB when it is IEC
> Units!):
> [KiB] [MiB] [GiB] [TiB]
> [2^10B=1,024^1B=1KiB]
> [2^20B=1,024^2B=1,048,576B=1MiB]
> [2^30B=1,024^3B=1,073,741,824B=1GiB]
> [2^40B=1,024^4B=1,099,511,627,776B=1TiB]
> [2^50B=1,024^5B=1,125,899,906,842,624B=1PiB]
> SI Units: Hard disk industry disk size measurements:
> [kB] [MB] [GB] [TB]
> [10^3B=1,000B=1kB]
> [10^6B=1,000,000B=1MB]
> [10^9B=1,000,000,000B=1GB]
> [10^12B=1,000,000,000,000B=1TB]
> [10^15B=1,000,000,000,000,000B=1PB]
>
>
>
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