linker error libcygwin

[Kraus Philipp]

Hello,

I try to build a program with g++ under Cygwin. I added this libraries to the linker:
-lcygboost_system
-lcygboost_thread
-lcygboost_iostreams
-lcygboost_regex
-lcygboost_program_options
-lboost_exception
-lcygboost_filesystem
-llapack
-lcblas
-lf77blas
-latlas
-lgfortran
-lhdf5_cpp
-lhdf5

The linker create the error:

/usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../libcygwin.a(libcmain.o):(.text+0xa9):
 undefined reference to `_WinMain@16'
collect2: ld returned 1 exit status

How can I find out, why / where the problem is? Can the order of my -l flags create the problem?

Thanks

Phil

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