[9876] in The GTK GIMP ToolKit mailing list archive
[gtk-list] gtkmm WARNING: yesterday's CVS vers. needs -pedantic with egcs-1.1
daemon@ATHENA.MIT.EDU (Christof Petig)
Thu Nov 5 03:54:40 1998
Date: Thu, 05 Nov 1998 09:52:36 +0100
From: Christof Petig <christof.petig@wtal.de>
To: Gtk-List <gtk-list@redhat.com>
Resent-From: gtk-list@redhat.com
Reply-To: gtk-list@redhat.com
Hello,
after three hours of bug hunting (I first checked the cpp
output)(gtkmm's examples linked, my progs not) I found the -pedantic
flag as the cause.
So if you get link errors like
/home/christof/cvs/gtk/Search_ComboBox.cc
(.Connection gnu.linkonce.t.connect_to_method<_GtkObject,
SearchComboBox>
(Signal_proxy0<_GtkObject> &, SearchComboBox *, SearchComboBox *,
void (SearchComboBox *))+0x98):
undefined reference to `Gtk_Object::signal_connect(char const *, void
(*)(...), void *)'
simply add -pedantic.
The correct funtion is:
Gtk_Object::signal_connect(char const *, void (*)(void), void *)
instead of
Gtk_Object::signal_connect(char const *, void (*)(...), void *)
I'd be grateful for any explanation by C++ wizards. Sigh.
Christof
PS: Quoting from the (old) gcc man page:
Valid ANSI standard C programs should compile prop=AD
erly with or without this option (though a rare few
will require `-ansi'). However, without this op=AD
tion, certain GNU extensions and traditional C fea=AD
tures are supported as well. With this option,
they are rejected. There is no reason to use this
option; it exists only to satisfy pedants.
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