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Date:	Tue, 18 Dec 2012 21:18:23 +0200
From:	Eli Zaretskii <eliz AT gnu DOT org>
Subject:	Re: looking for libm
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> Date: Tue, 18 Dec 2012 10:32:46 -0800 (PST)
> From: dosusb AT googlemail DOT com
> 
> I try to port a library from Linux to DOS. The configure file complains:
> configure: error: cannot find required functions: isnan finite copysign
> 
> When I uncomment the checks for this in the configure file I get the following error message when running make:
> "3.14159265358979323846" does not give a valid preprocessing token
> 
> I am using gcc 4.5.3
> 
> It seems to me that libm.a is missing. Where could I get that?

It's part of DJGPP, and should be already on your machine.  Make sure
you use -lm on the link command line, so that the linker will scan
that library.

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