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dnl
dnl SIGC_CXX_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD()
dnl
dnl
AC_DEFUN([SIGC_CXX_GCC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[
AC_MSG_CHECKING([if C++ compiler supports the use of a particular specialization when calling operator() template methods.])
AC_TRY_COMPILE(
[
#include <iostream>
class Thing
{
public:
Thing()
{}
template <class T>
void operator()(T a, T b)
{
T c = a + b;
std::cout << c << std::endl;
}
};
template<class T2>
class OtherThing
{
public:
void do_something()
{
Thing thing_;
thing_.template operator()<T2>(1, 2);
//This fails with or without the template keyword, on SUN Forte C++ 5.3, 5.4, and 5.5:
}
};
],
[
OtherThing<int> thing;
thing.do_something();
],
[
sigcm_cxx_gcc_template_specialization_operator_overload=yes
AC_DEFINE([SIGC_GCC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[1],[does the C++ compiler support the use of a particular specialization when calling operator() template methods.])
AC_MSG_RESULT([$sigcm_cxx_gcc_template_specialization_operator_overload])
],[
sigcm_cxx_gcc_template_specialization_operator_overload=no
AC_MSG_RESULT([$sigcm_cxx_gcc_template_specialization_operator_overload])
])
])
AC_DEFUN([SIGC_CXX_MSVC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[
AC_MSG_CHECKING([if C++ compiler supports the use of a particular specialization when calling operator() template methods omitting the template keyword.])
AC_TRY_COMPILE(
[
#include <iostream>
class Thing
{
public:
Thing()
{}
template <class T>
void operator()(T a, T b)
{
T c = a + b;
std::cout << c << std::endl;
}
};
template<class T2>
class OtherThing
{
public:
void do_something()
{
Thing thing_;
thing_.operator()<T2>(1, 2);
//This fails with or without the template keyword, on SUN Forte C++ 5.3, 5.4, and 5.5:
}
};
],
[
OtherThing<int> thing;
thing.do_something();
],
[
sigcm_cxx_msvc_template_specialization_operator_overload=yes
AC_DEFINE([SIGC_MSVC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[1],[does the C++ compiler support the use of a particular specialization when calling operator() template methods omitting the template keyword.])
AC_MSG_RESULT([$sigcm_cxx_msvc_template_specialization_operator_overload])
],[
sigcm_cxx_msvc_template_specialization_operator_overload=no
AC_MSG_RESULT([$sigcm_cxx_msvc_template_specialization_operator_overload])
])
])
|
