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Re: GCC compiler -m64 option in cygwin


anik pal wrote:
I have c source
code of a product which I build in solaris environment
with gcc compiler –m64 option to create 64 bit
executable in solaris 9 environment.


Now I’ve to do the same task for win environment,
because the library available for my client is in
windows environment and the library is 64 bit. I
attempt to use cygwin for this job. Now my question
are as follows



1 . using cygwin gcc compiler can I link my source
code building with the win environment lib? 2. is gcc 64 bit option available in cygwin?


No, there is no 64-bit native support in cygwin. Even on linux, a cross-gcc is needed to create 64-bit build on a 32-bit system, and none of the required libraries or utilities are generally available as a normal installation option. Of course, you can use cygwin as a build environment when running non-cygwin 64-bit compilers.
A preliminary 64-bit mingw compiler has appeared, but it seems to have difficulties linking with pre-existing libraries.


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