I am trying to compile overflow 1.8aa, a large Computational Fluid Dynamics code written in Fortran with some C. The code will compile and run using gcc and g77 on Linux. The code compiles successfully under Cygwin 1.5.18. The link fails as follows:
g77 -O3 -ffast-math -malign-double -o overflow chimera/*.o grid/*.o linear/*.o unix/*.o ns/bc/*.o ns/control/*.o ns/euler/*.o ns/fomo/*.o ns/mg/*.o ns/smoothing/*.o ns/step/*.o ns/turbulence/*.o ns/utilities/*.o ns/viscous/*.o ke/bc/*.o ke/control/*.o ke/convection/*.o ke/diffusion/*.o ke/source/*.o ke/step/*.o ke/turbulence/*.o ke/utilities/*.o ret/bc/*.o ret/control/*.o ret/convection/*.o ret/diffusion/*.o ret/source/*.o ret/step/*.o ret/turbulence/*.o ret/utilities/*.o sce/bc/*.o sce/control/*.o sce/convection/*.o sce/smoothing/*.o sce/step/*.o sce/utilities/*.o /usr/lib/gcc/i686-pc-cygwin/3.4.4/libfrtbegin.a(frtbegin.o):: undefined reference to `_MAIN__' collect2: ld returned 1 exit status make[1]: *** [link] Error 1 make[1]: Leaving directory `/cygdrive/u/overflow/over1.8aa' make: *** [gnu] Error 2 Thanks in advance Martin Crehan -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
