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Re: glut (for X) cannot be compiled without -mno-cygwin
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Jens Seidel wrote:
> Yep, you're right. I installed it and now it seems to work better.
> It just failed because of a missing __isnand function in libm. Afer
> providing (only as a workaround) my own it works flawlessly.
__isnand *is* in the current cygwin (1.5.21).
(BTW, you don't need to link against libm on cygwin; all those functions
are provided by libcygwin itself; libm is present only for compatibility
with build systems that expect it.)
> Since I was first not sucessful without freeglut, I tried also a mingw build
> using -mno-cygwin. Of course I did not expect a proper linking step but it
> helped me to make my application more standard conform.
>
> Nevertheless it seems that this a fragile. So I first failed because
> /usr/bin/make.exe was not found. The funny thing is that I could use
> /cygdrive/c/usr/bin/make.exe :-) A symlink fixed this.
>
> Also some header files such as gmp.h could not be found in /usr/include.
> Once I added -I/usr/include (which should be the default) I got a lot of
> crazy errors. Adding a symlink to a local include directory helped.
Sounds like your mounts are seriously messed up.
Yaakov
Cygwin Ports
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