[CMake] linking main.cpp to class in the same folder.

[eial at cs.bgu.ac.il]

On Thu 11 Jun 15:15 2009 Mike Jackson wrote:
> ADD_EXECUTABLE(prog main.cpp class.cpp)
> 
> On Thu, Jun 11, 2009 at 7:52 AM, eial at cs.bgu.ac.il<eial at cs.bgu.ac.il> wrote:
> >
> > hello.
> > I've got a class in a folder that I want to run from a main.cpp file, when I compile it, I get a undefined reference to the class's methods.
> > do I must create a lib from that single class in order to get the linking working?
> > the CMakeList.txt looks like this:
> >
> > ADD_LIBRARY(lib1 STATIC ${lib1})
> > ADD_LIBRARY(lib2 STATIC ${lib2})
> >
> > #link libs
> > target_link_libraries(lib1 ${extlib1})
> > target_link_libraries(lib2 ${extlib1} ${extlib2})
> >
> >
> > #list all source files here
> > ADD_EXECUTABLE(prog main.cpp)
> >
> > #need to link to some other libraries
> > TARGET_LINK_LIBRARIES(prog lib1 lib2)
> >
> > main.cpp looks like that:
> > #include "Class1.h"
> >
> > int main(int argc, const char* argv[]) {
> >   Class1 cls;
> >   cls.Do1();
> >   cls.Do2();
> >   cls.Do3();
> >   cls.close();
> >   return 0;
> > }
> >
> >
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> 

actually, I've tried that but the program crashes instantly...