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Subject: 1.5.18 /usr/lib/gcc/i686-pc-cygwin/3.4.4/libfrtbegin.a(frtbegin.o):: undefined reference to `_MAIN__'
Date: Thu, 15 Dec 2005 14:48:28 -0800
Message-ID: <46A827F7C479674CA822831699AF19C202E6248F@XCH-SW-1V1.sw.nos.boeing.com>
From: "Crehan, Martin J" <martin.j.crehan@boeing.com>
To: <cygwin@cygwin.com>
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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

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