long math functions on cygwin

Tue Nov 18 11:56:00 GMT 2008

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On Tue, Nov 18, 2008 at 10:02:41PM +1100, Manal Helal wrote:
> Hello
> 
> 
> I am trying to compile some unix code on cygwin, using gcc version:
> 
> *****************************************
> Reading specs from /usr/lib/gcc/i686-pc-cygwin/3.4.4/specs
> Configured with:

[...]

> *****************************************
> /home/user/proj/main.c:907: undefined reference to `_sqrtl'
> /home/user/proj/main.c:1743: undefined reference to `_powl'
> /home/user/proj/main.c:2006: undefined reference to `_ceill'
> /home/user/proj/main.c:2035: undefined reference to `_floorl'
> *****************************************

No clue about Windows (and very little about Cygwin), but... isn't a
"-lm" (aka link against the math library, libm) missing somewhere?

Regards
- -- tomÃ¡s
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