Add MSP build files

[ext/sigc++-2.0.git] / _build / cxx.m4

diff --git a/_build/cxx.m4 b/_build/cxx.m4
new file mode 100644 (file)
index 0000000..d66d6d7
--- /dev/null
+++ b/_build/cxx.m4
@@ -0,0 +1,145 @@
+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_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+  #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.])
+],[
+  sigcm_cxx_gcc_template_specialization_operator_overload=no
+])
+AC_MSG_RESULT([$sigcm_cxx_gcc_template_specialization_operator_overload])
+])
+
+AC_DEFUN([SIGC_CXX_MSVC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[
+AC_MSG_CHECKING([if C++ compiler supports the use of a particular specialization when calling operator() template methods omitting the template keyword.])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+  #include <iostream>
+
+  class Thing
+  {
+    public:
+    Thing()
+    {}
+
+    template <class T>
+    void operator()(T a, T b)
+    {
+      T c = a + b;
+      std::cout << c << std::endl;
+    }
+  };
+
+  template<class T2>
+  class OtherThing
+  {
+  public:
+    void do_something()
+    {
+       Thing thing_;
+       thing_.operator()<T2>(1, 2);
+       //This fails with or without the template keyword, on SUN Forte C++ 5.3, 5.4, and 5.5:
+    }
+  };
+]],
+[[
+  OtherThing<int> thing;
+  thing.do_something();
+]])],
+[
+  sigcm_cxx_msvc_template_specialization_operator_overload=yes
+  AC_DEFINE([SIGC_MSVC_TEMPLATE_SPECIALIZATION_OPERATOR_OVERLOAD],[1],[does the C++ compiler support the use of a particular specialization when calling operator() template methods omitting the template keyword.])
+],[
+  sigcm_cxx_msvc_template_specialization_operator_overload=no
+])
+AC_MSG_RESULT([$sigcm_cxx_msvc_template_specialization_operator_overload])
+])
+
+dnl
+dnl SIGC_CXX_PRAGMA_PUSH_POP_MACRO
+dnl
+dnl TODO: When we can break ABI, delete this. It's used when nil is
+dnl temporarily undefined. See comment in functor_trait.h.
+dnl
+AC_DEFUN([SIGC_CXX_PRAGMA_PUSH_POP_MACRO],[
+AC_MSG_CHECKING([if C++ preprocessor supports pragma push_macro() and pop_macro().])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+  #define BEGIN {
+  #define END   }
+  #pragma push_macro("BEGIN")
+  #pragma push_macro("END")
+  #undef BEGIN
+  #undef END
+
+  // BEGIN and END are not prepreprocessor macros
+  struct Test1
+  {
+    int BEGIN;
+    double END;
+  };
+
+  #pragma pop_macro("BEGIN")
+  #pragma pop_macro("END")
+
+  // BEGIN and END are prepreprocessor macros
+  struct Test2
+  BEGIN
+    int i;
+    double d;
+  END;
+
+  void func1(Test1& x);
+  void func2(Test2& x);
+]],
+[[
+  Test1 test1;
+  Test2 test2;
+  func1(test1);
+  func2(test2);
+]])],
+[
+  sigcm_cxx_pragma_push_pop_macro=yes
+  AC_DEFINE([SIGC_PRAGMA_PUSH_POP_MACRO],[1],[does the C++ preprocessor support pragma push_macro() and pop_macro().])
+],[
+  sigcm_cxx_pragma_push_pop_macro=no
+])
+AC_MSG_RESULT([$sigcm_cxx_pragma_push_pop_macro])
+])