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Subject: Re: [geda-user] icarus verilog on windows7
From: Bob Paddock <bob DOT paddock AT gmail DOT com>
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> Looks like the iverilog-windows executable creates a.exe only for 32-bit
> machines. How do I fix this? Is there a different version of iverilog for
> 64-bit machines? or is there an extra option I need to specify to iverilog
> to create 64-bit executable? (I am using windows7 on 64bit.)

Do you know which GCC compiler you are using under Cygwin, as there
are three choices?

GCC3, GCC4, GCC-MinGW that may be the MinGW-w64 (TDM) compiler.

See http://tdm-gcc.tdragon.net/ for TDM. use -w32 or -w64 to get the
size you want.

What does gcc --version say?

Under Windows you might have better luck with the MinGW/TDM compiler
to create Windows code.
However it can have issues with threading in some configurations.