Can you try adding -m64 to the CFLAGS in src/inc/common.mk
and see if that instructs the compiler to create 64 bit binaries ?

Clean the source tree when you are ready to build again with -m64
from the ./src/ directory:
$ make clean

What does it say if you run the 'file' command on the wigToBigWig binary ?

--Hiram

Johannes Waage wrote:
> Dear all,
> 
> I'm having some trouble compiling wigToBigwig for 64 bit on Mac OS X. I
> follow the instructions in the Kent Source installation instructions,
> including setting MACHTYPE to x86_64. The compiled binary is correctly
> output to ~/user/bin/x86_64/wigToBigwig, but upon running this on a mm9 full
> phastcon wiggle file (requiring about 20GB of mem), an out of memory error
> at 4GB and no indication of wigToBigwig running as a 64 bit executable
> suggests that something is wrong..
> 
> Can anyone point me in the right direction of compiling the tool for 64 bit
> on MAC? I'm running 10.6.5
> 
> Thx in advance,
> 
> Regards,
> Johannes W
> Uni. of Copenhagen
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