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Re: 'signbit' patch to use 'copysign' if available


From: Eric Blake
Subject: Re: 'signbit' patch to use 'copysign' if available
Date: Sat, 07 Apr 2007 08:20:54 -0600
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According to Bruno Haible on 4/7/2007 4:23 AM:
> $ ./show-portability copysignf
> libc                macosx-10.3
> libcygwin           cygwin
> libm                cygwin

The show-portability script output is a bit confusing for cygwin.  Yes,
the fuction copysignf is provided by linking with cygwin1.dll.  But on the
link line, there is no -lcygwin, just -lc; and -lm is an empty library
since everything on cygwin belongs to -lc.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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