On Wed, Jul 9, 2008 at 10:56 PM, Bradley Hanna <brahan.ml@xxxxxxxxx> wrote: > I am trying to define a variable that needs to be manipulated by one c > file in the kernel and read by another c file in a different directory. > I have defined the variable in a header file that is #included in both c > files. The problem is when I compile the kernel I get an error saying > that the variable cannot be defined more than once. I added a > preprocessor condition like this: > > #ifndef _NEW_HEADER_H > #define _NEW_HEADER_H > > //define the variable > > #endif > > it was my assumption that the variable would only be defined once > because of this macro but I am still having the same problems. > > How do I create header files that can be #included in multiple c files > like the files in the source tree? > > thanks for you patience, > > -brahan > > -- > To unsubscribe from this list: send an email with > "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx > Please read the FAQ at http://kernelnewbies.org/FAQ > > Hi , Perhaps using extern can solve your problem. See this http://bytes.com/forum/thread213279.html Dan. -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
