On 4/25/2014 11:26, Tom Szczesny wrote:
CYGWIN_NT-6.1-WOW64
"WOW64" means 32-bit Windows emulated on top of 64-bit Windows.[1] This
tells you that Cygwin is running inside that 32-bit environment.
If I did install the 64-bit version, when I rebuild my Linux app on
Cygwin, do I automatically get a 64-bit executable (that will not run
on a 32-bit Windows computer)?
You actually have to go out of your way to get a 32-bit executable when
running 64-bit Cygwin, and vice versa. So yes, if you install 64-bit
Cygwin, you don't have to worry about accidentally getting 32-bit
executables.
You don't have to guess and hope, though. From 32-bit Cygwin:
$ file /bin/ls
/bin/ls: PE32 executable (console) Intel 80386 (stripped to
external PDB), for MS Windows
$ file /cygdrive/c/cygwin64/bin/ls
/cygdrive/c/cygwin64/bin/ls: PE32+ executable (console) x86-64, for
MS Windows
file(1) saith sooth what what form of executable thou hast wrought.
You might also find this piece enlightening: http://goo.gl/qv5ki7
[1] http://goo.gl/uGmKYv
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