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Date: Sun, 17 Apr 2016 14:15:21 +0900 (JST)
From: Tatsuro MATSUOKA <tmacchant2 AT yahoo DOT co DOT jp>
Reply-To: Tatsuro MATSUOKA <matsuoka AT nuce DOT nagoya-u DOT ac DOT jp>
Subject: Re: multiple definition of `atan2l' on the current Cygwin
To: cygwin AT cygwin DOT com
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> I have confirmed the mutiple definition error does not occur on gnuplot build 
> with 
> gcc-5.3.0-4 today.
> Thanks!
> Tatsuro

The above is for Cygwin X86.
Cygwin 64 still has problem
// m.cc
#include <cstdio> 
#include <cmath> 

int main() 
{ 
  long double x, y; 
  scanf("%Lf %Lf", &x, &y); 
  printf("%Lf\n", atan2l(x,y)); 
  return 0; 
} 
//m.cc
LANG=C g++ m.cc -lm
/usr/lib/gcc/x86_64-pc-cygwin/5.3.0/libstdc++.dll.a(d005836.o):(.text+0x0): multiple definition of `atan2l'
/usr/lib/../lib/libm.a(t-d000195.o):fake:(.text+0x0): first defined here
collect2: error: ld returned 1 exit status
Tatsuro


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