use of const keyword

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Hello,
I am verifying a simple fact concerning the use of the const keyword.

I wrote the following simple program 


============================

const int a=10;
const int b=a;

int main(int argc, char *argv[]) {
}
============================

I tried it out with gcc, version 4.7.2 on Debian 7, and the result was the
following:

============================
bostjan@wwpecker-5-deb:~/workspace/OB2/src$ cc   -c -o test.o test.c
test.c:3:1: error: initializer element is not constant
b
============================

QUESTION: Is there a way to initialize a const to the value of another
const?
Regards,
bostjanv



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