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Multiple definition during linking console executable

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wzyjy:
I was trying to build a project, there's no error during the compilation, but during the process of linking console executable, it kept telling me "multiple definition of ...", e.g.:


--- Quote ---obj/Debug/applications/binarize.o: In function `usage()':
/home/brianw/IRTKsrc/geometry++/include/irtkPoint.h:238: multiple definition of `input_name'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:14: first defined here

obj/Debug/applications/blur.o: In function `usage()':
/home/brianw/IRTKsrc/geometry++/include/irtkPoint.h:238: multiple definition of `input_name'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:14: first defined here

obj/Debug/applications/closing.o: In function `usage()':
/home/brianw/IRTKsrc/geometry++/include/irtkPoint.h:238: multiple definition of `input_name'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:14: first defined here
--- End quote ---

Can anyone help me with this? Thanks a lot!

wzyjy:
PS: it even includes the main function:


--- Quote ---obj/Debug/applications/binarize.o: In function `main':
/home/brianw/IRTKsrc/applications/binarize.cc:25: multiple definition of `main'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:29: first defined here

obj/Debug/applications/blur.o: In function `main':
/home/brianw/IRTKsrc/applications/blur.cc:31: multiple definition of `main'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:29: first defined here

obj/Debug/applications/closing.o: In function `main':
/home/brianw/IRTKsrc/applications/closing.cc:29: multiple definition of `main'
obj/Debug/applications/AnisoDiff.o:/home/brianw/IRTKsrc/applications/AnisoDiff.cc:29: first defined here


--- End quote ---

oBFusCATed:
You're including some .cc aren't you?

wzyjy:

--- Quote from: oBFusCATed on December 14, 2010, 03:29:33 pm ---You're including some .cc aren't you?

--- End quote ---

you mean in the source code? I don't think so...

wzyjy:
I forgot to mention: if I just use the Makefile in the source code and do make in the terminal, it successfully generates executables, so I was wondering if this has anything to do with the setting of the IDE?

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