Remove deprecated DUNE_DEPRECATED and DUNE_DEPRECATED_MSG

# Conflicts:
#	config.h.cmake

CHANGELOG.md

@@ -29,6 +29,13 @@
 
 - Deprecate cmake function `remove_processed_modules`
 
+## Deprecations and removals
+
+- Both deprecated macros `DUNE_DEPRECATED` and `DUNE_DEPRECATED_MSG(text)`
+  are removed. Use C++14 attribute `[[deprecated]]`. However, be aware
+  that it is no drop-in replacement, as it must be sometimes placed at
+  different position in the code.
+
 # Release 2.8
 
 - Set minimal required CMake version in cmake to >= 3.13.

cmake/modules/CheckCXXFeatures.cmake

@@ -13,12 +13,6 @@
 #    :code:`HAS_ATTRIBUTE_UNUSED`
 #       True if attribute unused is supported
 #
-#    :code:`HAS_ATTRIBUTE_DEPRECATED`
-#       True if attribute deprecated is supported
-#
-#    :code:`HAS_ATTRIBUTE_DEPRECATED_MSG`
-#       True if attribute deprecated("msg") is supported
-#
 # .. cmake_variable:: DISABLE_CXX_VERSION_CHECK
 #
 #    You may set this variable to TRUE to disable checking for
@@ -198,70 +192,6 @@ check_cxx_source_compiles("
 "  HAS_ATTRIBUTE_UNUSED
 )
 
-# __attribute__((deprecated))
-check_cxx_source_compiles("
-#define DEP __attribute__((deprecated))
-   class bar
-   {
-     bar() DEP;
-   };
-
-   class peng { } DEP;
-
-   template <class T>
-   class t_bar
-   {
-     t_bar() DEP;
-   };
-
-   template <class T>
-   class t_peng {
-     t_peng() {};
-   } DEP;
-
-   void foo() DEP;
-
-   void foo() {}
-
-   int main(void)
-   {
-     return 0;
-   };
-"  HAS_ATTRIBUTE_DEPRECATED
-)
-
-# __attribute__((deprecated("msg")))
-check_cxx_source_compiles("
-#define DEP __attribute__((deprecated(\"message\")))
-   class bar {
-     bar() DEP;
-   };
-
-   class peng { } DEP;
-
-   template <class T>
-   class t_bar
-   {
-     t_bar() DEP;
-   };
-
-   template <class T>
-   class t_peng
-   {
-     t_peng() {};
-   } DEP;
-
-   void foo() DEP;
-
-   void foo() {}
-
-   int main(void)
-   {
-     return 0;
-   };
-"  HAS_ATTRIBUTE_DEPRECATED_MSG
-)
-
 # ******************************************************************************
 #
 # Checks for standard library features

config.h.cmake

@@ -20,12 +20,6 @@
 /* Standard debug streams with a level below will collapse to doing nothing */
 #define DUNE_MINIMAL_DEBUG_LEVEL ${DUNE_MINIMAL_DEBUG_LEVEL}
 
-/* does the compiler support __attribute__((deprecated))? */
-#cmakedefine HAS_ATTRIBUTE_DEPRECATED 1
-
-/* does the compiler support __attribute__((deprecated("message"))? */
-#cmakedefine HAS_ATTRIBUTE_DEPRECATED_MSG 1
-
 /* does the compiler support __attribute__((unused))? */
 #cmakedefine HAS_ATTRIBUTE_UNUSED 1
 
@@ -101,6 +95,8 @@
 
 
 /* old feature support macros which were tested until 2.8, kept around for one more release */
+#define HAS_ATTRIBUTE_DEPRECATED 0
+#define HAS_ATTRIBUTE_DEPRECATED_MSG 0
 
 /* Define to ENABLE_UMFPACK if the UMFPack library is available */
 #cmakedefine HAVE_UMFPACK ENABLE_SUITESPARSE

doc/doxygen/doxygen-macros

@@ -8,8 +8,6 @@
 PREDEFINED             = DOXYGEN \
                          HAVE_MPI:=1 \
                          _DEBUG_ALLOCATOR_H:=1 \
-                         "DUNE_DEPRECATED:=/** \deprecated */" \
-                         "DUNE_DEPRECATED_MSG(A):=/** \deprecated A */" \
                          "DUNE_INLINE_VARIABLE:= " \
                          __cpp_inline_variables:=201606 \
                          __cpp_constexpr:=201603 \

dune/common/deprecated.hh

@@ -4,36 +4,11 @@
 #define DUNE_DEPRECATED_HH
 
 /** \file
- * \brief Definition of the DUNE_DEPRECATED macro for the case that config.h
- *      is not available
+ * \brief Definition of the `DUNE_NO_DEPRECATED_*` macros
  */
 
 //! @addtogroup CxxUtilities
 //! @{
-#if defined(DOXYGEN) || !defined(HAS_ATTRIBUTE_DEPRECATED)
-//! Mark some entity as deprecated
-/**
- * \deprecated Use C++14's \code[[deprecated]]\endcode instead. It will be
- * removed after Dune 2.8. Be aware that it must be sometimes placed at
- * different position in the code.
- */
-#define DUNE_DEPRECATED
-#else // defined(HAS_ATTRIBUTE_DEPRECATED)
-#define DUNE_DEPRECATED __attribute__((deprecated))
-#endif
-
-#if defined(DOXYGEN) || !defined(HAS_ATTRIBUTE_DEPRECATED_MSG)
-//! Mark some entity as deprecated
-/**
- * \deprecated Use C++14's \code[[deprecated(msg)]]\endcode instead. It
- * will be removed after Dune 2.8. Be aware that it must be sometimes
- * placed at different position in the code.
- */
-#define DUNE_DEPRECATED_MSG(text) DUNE_DEPRECATED
-#else // defined(HAS_ATTRIBUTE_DEPRECATED_MSG)
-#define DUNE_DEPRECATED_MSG(text) __attribute__((deprecated(# text)))
-#endif
-
 #ifdef DOXYGEN
 /**
  * \brief Ignore deprecation warnings (start)