g++ linker problem with libcygwin.a

[Philipp Kraus]

Hello,

I use Cygwin with g++ for compiling my source codes and on some codes I 
get the error:

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

I link my sources to libraries like Boost, Atlas, LAPack...

All codes can be compiled under OSX and Linux without any warning / 
error. I've found the information that the
error is thrown, if the main method is not found, but all programs have 
the main methode like int main(int argc, char* argv[])
I try to solve the problem with a full reinstall of Cygwin but it does 
not run. The linker command
shows like:

g++ -o build/test.exe -enable-stdcall-fixup examples/test.o 
-L/usr/local/bin -L/usr/bin -L/cygdrive/c/Windows/system32 
-L/cygdrive/c/Windows -L/cygdrive/c/Windows/system32/Wbem
-L/cygdrive/c/Windows/system32/WindowsPowerShell/v1.0 
"-L/cygdrive/c/Program Files/TortoiseSVN/bin" "-L/cygdrive/c/Program 
Files/Java/jdk1.6.0_29/bin" -L/usr/bin 
-L/cygdrive/c/opt/library/atlas/3.9.51/lib 
-L/cygdrive/c/opt/library/hdf/1.8.7/lib 
-L/cygdrive/c/opt/library/xml2/2.7.8/bin 
-L/cygdrive/c/opt/library/boost/1.47.0/bin -L/cygdrive/c/opt/library/boo
st/1.47.0/lib -L/cygdrive/c/opt/library/jsoncpp/0.5.0/lib 
-L/cygdrive/c/opt/scons/bin
-lcygboost_system -lcygboost_thread -lcygboost_iostreams 
-lcygboost_regex -lcygboost_program_options -lboost_exception 
-lcygboost_filesystem -llapack -lcblas -lf77blas -latlas -lgfortran 
-lhdf5_cpp -lhdf5

All depend libraries are build with Cygwin Gcc / G++ / GFortran also. 
I've found a lot of posting with the similar / equal problem, but no 
solution. Does anybody know a solution for the linker problem?

Thanks

Phil



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