> 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 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple