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AC_CXX_EXPLICIT_INSTANTIATIONS
If the C++ compiler supports explicit instanciations syntax, define HAVE_INSTANTIATIONS.
1.2 (last modified: 2000-07-19)
Luc Maisonobe
AC_DEFUN([AC_CXX_EXPLICIT_INSTANTIATIONS], [AC_CACHE_CHECK(whether the compiler supports explicit instantiations, ac_cv_cxx_explinst, [AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_TRY_COMPILE([template <class T> class A { T t; }; template class A<int>;], [], ac_cv_cxx_explinst=yes, ac_cv_cxx_explinst=no) AC_LANG_RESTORE ]) if test "$ac_cv_cxx_explinst" = yes; then AC_DEFINE(HAVE_INSTANTIATIONS,, [define if the compiler supports explicit instantiations]) fi ])