Ladanyi -
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Brian
On Thu, 3 Jul 2003, Ladanyi Akos wrote:
> Hi!
>
> Sorry for posting this here, but I don't know where else to ask.
> I've tried to compile the following program:
>
> b.h
> ===
>
> template <class t>
> class b
> {
> public:
> b();
> ~b();
> };
>
> b.cpp
> =====
>
> #include "b.h"
> template <class t>
> b<t>::b() {}
> template <class t>
> b<t>::~b() {}
>
> main.cpp
> ========
>
> #include "b.h"
> int main() {
> b<int> bi;
> b<float> bf;
> return 0;
> }
>
>
> g++ -c main.cpp and g++ -c b.cpp compiles the sources, but
> g++ -o prg b.o main.o fails:
>
> main.o(.text+0x18): In function `main':
> : undefined reference to `b<int>::b[in-charge]()'
> main.o(.text+0x23): In function `main':
> : undefined reference to `b<float>::b[in-charge]()'
> main.o(.text+0x2e): In function `main':
> : undefined reference to `b<float>::~b [in-charge]()'
> main.o(.text+0x39): In function `main':
> : undefined reference to `b<int>::~b [in-charge]()'
> main.o(.text+0x4c): In function `main':
> : undefined reference to `b<int>::~b [in-charge]()'
> collect2: ld returned 1 exit status
>
> I use g++ (GCC) 3.2.2.
> What did I wrong ?
>
> regards,
> Akos
>
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