Compiling and Linking help

[Aseem Rastogi]

do not include a.h in b.h and declate a () as an extern function in b.h

include a.h in main.cpp.

it should work.

Djekic Dusan wrote:

>a.h is not the file I could change. I am just using it from third
>party. Files in my project are b.h, c.h, and so forth. I forgot that
>all my .h files are enclosed within suitable #ifndef, #define, and
>#endif. And the question is how to have .o files of all b, c, and so
>forth files linked without having multiple definition linking error of
>everything from a, since everything from a is defined twice:
>1 - in b.o (since b.h includes a.h)
>2 - in main.o (since main.cpp includes b.h which includes a.h)
>
>On 11/8/05, Dima Sorkin <dima.sorkin@gmail.com> wrote:
>
>>On 11/8/05, Djekic Dusan  wrote:
>>
>>>a.h
>>>int a( ) { };
>>>
>>Hi.
>> I have encountered this problem too.
>>Explicitly writing "inline int a() {}" instead
>>of your piece of code helped.
>>
>>Or , if "a" will be a big function (not intended for inlining),
>>you will have to
>>move it's definition into a.cpp, and in a.h there will be
>>only declaration.
>>
>>Regards,
>> Dima.
>>
>>
>


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