[libsigc++2/variadic_bind3: 16/45] signal.h: Use this as a normal header file.

[Murray Cumming <murrayc src gnome org>]

commit e41269d71727b66a83ac3e150281d8e2c1f392de
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Jan 14 12:50:57 2016 +0100

    signal.h: Use this as a normal header file.
    
    Instead of generating it from a .h.m4 file.

 sigc++/.gitignore                       |    1 -
 sigc++/filelist.am                      |    5 +-
 sigc++/{macros/signal.h.m4 => signal.h} |   63 +++++++++++++-----------------
 3 files changed, 30 insertions(+), 39 deletions(-)
---
diff --git a/sigc++/.gitignore b/sigc++/.gitignore
index 7d47a00..b04801d 100644
--- a/sigc++/.gitignore
+++ b/sigc++/.gitignore
@@ -1,5 +1,4 @@
 /limit_reference.h
-/signal.h
 /adaptors/bind.h
 /adaptors/hide.h
 /adaptors/retype.h
diff --git a/sigc++/filelist.am b/sigc++/filelist.am
index b27d92e..0efa20e 100644
--- a/sigc++/filelist.am
+++ b/sigc++/filelist.am
@@ -16,9 +16,9 @@
 ## along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
 # Base (./)
-base_m4 = template.macros.m4 signal.h.m4 limit_reference.h.m4
+base_m4 = template.macros.m4 limit_reference.h.m4
 base_built_cc =
-base_built_h = signal.h limit_reference.h
+base_built_h = limit_reference.h
 
 # Functors (functors/)
 functors_m4 = slot.h.m4 mem_fun.h.m4
@@ -51,6 +51,7 @@ sigc_public_h =                               \
        connection.h                    \
        reference_wrapper.h             \
        retype_return.h                 \
+       signal.h \
        signal_base.h                   \
        slot.h                  \
        trackable.h                     \
diff --git a/sigc++/macros/signal.h.m4 b/sigc++/signal.h
similarity index 95%
rename from sigc++/macros/signal.h.m4
rename to sigc++/signal.h
index 606a833..20f6652 100644
--- a/sigc++/macros/signal.h.m4
+++ b/sigc++/signal.h
@@ -1,24 +1,22 @@
-dnl Copyright 2002, The libsigc++ Development Team 
-dnl 
-dnl This library is free software; you can redistribute it and/or 
-dnl modify it under the terms of the GNU Lesser General Public 
-dnl License as published by the Free Software Foundation; either 
-dnl version 2.1 of the License, or (at your option) any later version. 
-dnl 
-dnl This library is distributed in the hope that it will be useful, 
-dnl but WITHOUT ANY WARRANTY; without even the implied warranty of 
-dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
-dnl Lesser General Public License for more details. 
-dnl 
-dnl You should have received a copy of the GNU Lesser General Public 
-dnl License along with this library; if not, write to the Free Software 
-dnl Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 
-dnl
-divert(-1)
-
-include(template.macros.m4)
-
-divert(0)
+/*
+ * Copyright 2002-2016, The libsigc++ Development Team
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
 #ifndef _SIGC_SIGNAL_H_
 #define _SIGC_SIGNAL_H_
 
@@ -659,8 +657,7 @@ struct signal_emit
                          slot_iterator_buf_type(slots.end(), &self));
     }
 
-  /** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.dnl
-   * The arguments are buffered in a temporary instance of signal_emit.
+  /** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.   * The 
arguments are buffered in a temporary instance of signal_emit.
    * @param _A_a Arguments to be passed on to the slots.
    * @return The accumulated return values of the slot invocations as processed by the accumulator.
    */
@@ -710,8 +707,7 @@ struct signal_emit<T_return, nil, T_arg...>
    * The arguments are passed directly on to the slots.
    * The return value of the last slot invoked is returned.
    * @param first An iterator pointing to the first slot in the list.
-   * @param last An iterator pointing to the last slot in the list.dnl
-   * @param _A_a Arguments to be passed on to the slots.
+   * @param last An iterator pointing to the last slot in the list.   * @param _A_a Arguments to be passed 
on to the slots.
    * @return The return value of the last slot invoked.
    */
   static result_type emit(signal_impl* impl, type_trait_take_t<T_arg>... _A_a)
@@ -803,8 +799,7 @@ struct signal_emit<void, nil, T_arg...>
   typedef signal_impl::const_iterator_type iterator_type;
   typedef typename slot_type::call_type call_type;
 
-  /** Executes a list of slots using an accumulator of type @e T_accumulator.dnl
-   * The arguments are passed directly on to the slots.
+  /** Executes a list of slots using an accumulator of type @e T_accumulator.   * The arguments are passed 
directly on to the slots.
    * @param _A_a Arguments to be passed on to the slots.
    */
   static result_type emit(signal_impl* impl, type_trait_take_t<T_arg>... _A_a)
@@ -821,11 +816,9 @@ struct signal_emit<void, nil, T_arg...>
         }
     }
 
-  /** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.dnl
-   * The arguments are passed directly on to the slots.
+  /** Executes a list of slots using an accumulator of type @e T_accumulator in reverse order.   * The 
arguments are passed directly on to the slots.
    * @param first An iterator pointing to the first slot in the list.
-   * @param last An iterator pointing to the last slot in the list.dnl
-   * @param _A_a Arguments to be passed on to the slots.
+   * @param last An iterator pointing to the last slot in the list.   * @param _A_a Arguments to be passed 
on to the slots.
    */
   static result_type emit_reverse(signal_impl* impl, type_trait_take_t<T_arg>... _A_a)
     {
@@ -872,8 +865,7 @@ struct signal_emit<void, nil, T_arg...>
  * iteration, insertion and removal of slots.
  *
  * The following template arguments are used:
- * - @e T_return The desired return type for the emit() function (may be overridden by the accumulator).dnl
- * - @e T_arg Argument types used in the definition of emit().
+ * - @e T_return The desired return type for the emit() function (may be overridden by the accumulator). * - 
@e T_arg Argument types used in the definition of emit().
  * - @e T_accumulator The accumulator type used for emission. The default
  * @p nil means that no accumulator should be used, for example if signal
  * emission returns the return value of the last slot invoked.
@@ -887,7 +879,7 @@ class signal_with_accumulator
   : public signal_base
 {
 public:
-  typedef internal::signal_emit<LIST(T_return, T_accumulator, T_arg...)> emitter_type;
+  typedef internal::signal_emit<T_return, T_accumulator, T_arg...> emitter_type;
   typedef typename emitter_type::result_type         result_type;
   typedef slot<T_return, T_arg...>    slot_type;
   typedef slot_list<slot_type>                       slot_list_type;
@@ -1015,8 +1007,7 @@ public:
  *
  * The template arguments determine the function signature of
  * the emit() function:
- * - @e T_return The desired return type of the emit() function.dnl
- * - @e T_arg Argument types used in the definition of emit().
+ * - @e T_return The desired return type of the emit() function. * - @e T_arg Argument types used in the 
definition of emit().
  *
  * To specify an accumulator type the nested class signal::accumulated can be used.
  *