Re: [sigc] Do you use - or want to use - libsigc++ with Objective-C++?

[Paul Davis <paul linuxaudiosystems com>]

We have used sigc++ with objective C for many years, but always have to apply the following patch to our build of sigc++ before using it:

--- ../include/sigc++-2.0/sigc++/functors/functor_trait.h~
+++ ../include/sigc++-2.0/sigc++/functors/functor_trait.h
@@ -23,8 +23,9 @@
 #ifndef _SIGC_FUNCTORS_MACROS_FUNCTOR_TRAITHM4_
 #define _SIGC_FUNCTORS_MACROS_FUNCTOR_TRAITHM4_
 #include <sigc++/type_traits.h>
-
-
+#ifdef nil
+#undef nil
+#endif
 namespace sigc {
 
 /** nil struct type.

On Mon, Jun 10, 2013 at 3:28 AM, Kjell Ahlstedt <kjell ahlstedt bredband net> wrote:

I was told that there is a problem with libsigc++, if you want to use it in an Objective-C++ program: libsigc++ defines nil, which is a keyword in Objective-C++.
I filed bug https://bugzilla.gnome.org/show_bug.cgi?id=695235 to try to cope with this problem, but the person who told me about the problem seems to have lost interest in the matter.

If you're interested in using libsigc++ in an Objective-C++ program, and want to help test my proposed solution, please see the bug report, and add a comment there or in libsigc-list.

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