X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-2.6 required=5.0 tests=AWL,BAYES_00,UNPARSEABLE_RELAY X-Spam-Check-By: sourceware.org X-Yahoo-SMTP: mjD.OBqswBAPbVUxYJaYPvc61jLEnpq8VnBwJGdbEJOPA9xw Message-ID: <4B4F0ED7.10504@sbcglobal.net> Date: Thu, 14 Jan 2010 12:32:23 +0000 From: Greg Chicares User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: Build problems using wxWidgets-2.8.10 / gcc-4.3.4 / cygwin-1.7.1 : multiple definitions of function select() References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com On 2010-01-14 10:15Z, Schwerzmann Stephan wrote: > > /usr/lib/gcc/i686-pc-cygwin/4.3.4/../../../../include/w32api/winsock.h:4 > 79: error: declaration of C function 'int select(int, _types_fd_set*, > _types_fd_set*, _types_fd_set*, const timeval*)' conflicts with > /usr/include/sys/select.h:31: error: previous declaration 'int > select(int, _types_fd_set*, _types_fd_set*, _types_fd_set*, timeval*)' As to whether select() takes a const or non-const timeval* argument: http://msdn.microsoft.com/en-us/library/ms740141%28VS.85%29.aspx msdn says it's const, so that's what include/w32api must do http://www.opengroup.org/onlinepubs/007908799/xsh/select.html posix says it isn't const, so that's what /usr/include must do So you can't combine them. See also: http://cygwin.com/ml/cygwin/2008-08/msg00133.html | You're getting a bunch of errors because incluing winsock2.h causes lots | of namespace clashes. And how could it not? It provides a different | and incompatible set of definitions for the sockets API which is not | compatible with the standard POSIX definitions in the Cygwin headers. | Again: the problem is that you should not attempt to use the Winsock API | from a Cygwin application. > ./src/msw/utils.cpp:407: warning: 'int > cygwin_conv_to_full_win32_path(const char*, char*)' is deprecated http://www.cygwin.com/ml/cygwin-cvs/2008-q1/msg00111.html | (cygwin_conv_to_win32_path): Just call cygwin_conv_path with size set | to MAX_PATH. | (cygwin_conv_to_full_win32_path): Ditto. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple