[linux-audio-user] build tapiir

hi i try to build tapiir when ii make : if g++ -DHAVE_CONFIG_H -I. -I. -I. -g -O2 -MT FileIO.o -MD -MP -MF ".deps/FileIO.Tpo" \ -c -o FileIO.o `test -f 'FileIO.cxx' || echo './'`FileIO.cxx; \ then mv ".deps/FileIO.Tpo" ".deps/FileIO.Po"; \ else rm -f ".deps/FileIO.Tpo"; exit 1; \ fi MTD.hxx:196: erreur: explicit specialization of «float MTD<int, short int>::FromGain(const int&) const» must be introduced by «template <>» MTD.hxx:196: erreur: template-id «FromGain<>» for «float MTD<int, short int>::FromGain(const int&) const» does not match any template declaration MTD.hxx:196: erreur: déclaration de fonction invalide MTD.hxx:197: erreur: explicit specialization of «float MTD<int, float>::FromGain(const int&) const» must be introduced by «template <>» MTD.hxx:197: erreur: template-id «FromGain<>» for «float MTD<int, float>::FromGain(const int&) const» does not match any template declaration MTD.hxx:197: erreur: déclaration de fonction invalide MTD.hxx:199: erreur: explicit specialization of «int MTD<int, short int>::ToGain(const float&) const» must be introduced by «template <>» MTD.hxx:199: erreur: template-id «ToGain<>» for «int MTD<int, short int>::ToGain(const float&) const» does not match any template declaration MTD.hxx:199: erreur: déclaration de fonction invalide MTD.hxx:200: erreur: explicit specialization of «int MTD<int, float>::ToGain(const float&) const» must be introduced by «template <>» MTD.hxx:200: erreur: template-id «ToGain<>» for «int MTD<int, float>::ToGain(const float&) const» does not match any template declaration MTD.hxx:200: erreur: déclaration de fonction invalide MTD.hxx:202: erreur: explicit specialization of «void MTD<float, short int>::Clip(float&) const» must be introduced by «template <>» MTD.hxx:202: erreur: template-id «Clip<>» for «void MTD<float, short int>::Clip(float&) const» does not match any template declaration MTD.hxx:202: erreur: déclaration de fonction invalide MTD.hxx:204: erreur: explicit specialization of «void MTD<int, short int>::Clip(int&) const» must be introduced by «template <>» MTD.hxx:204: erreur: template-id «Clip<>» for «void MTD<int, short int>::Clip(int&) const» does not match any template declaration MTD.hxx:204: erreur: déclaration de fonction invalide MTD.hxx:206: erreur: explicit specialization of «void MTD<float, float>::Clip(float&) const» must be introduced by «template <>» MTD.hxx:206: erreur: template-id «Clip<>» for «void MTD<float, float>::Clip(float&) const» does not match any template declaration MTD.hxx:206: erreur: déclaration de fonction invalide MTD.hxx:210: erreur: explicit specialization of «void MTD<int, float>::MulAdj(int&) const» must be introduced by «template <>» MTD.hxx:210: erreur: template-id «MulAdj<>» for «void MTD<int, float>::MulAdj(int&) const» does not match any template declaration MTD.hxx:210: erreur: déclaration de fonction invalide MTD.hxx:211: erreur: explicit specialization of «void MTD<int, short int>::MulAdj(int&) const» must be introduced by «template <>» MTD.hxx:211: erreur: template-id «MulAdj<>» for «void MTD<int, short int>::MulAdj(int&) const» does not match any template declaration MTD.hxx:211: erreur: déclaration de fonction invalide make[2]: *** [FileIO.o] Erreur 1 make[2]: quittant le répertoire « /home/mihozu/Appz/tapiir-0.7.1/src » make[1]: *** [all] Erreur 2 make[1]: quittant le répertoire « /home/mihozu/Appz/tapiir-0.7.1/src » make: *** [all-recursive] Erreur 1 i have not enough knowledge to get that "must be introduced by template<>" could someone please explain me what does it mean? thnaks