X-Recipient: archive-cygwin AT delorie DOT com X-SWARE-Spam-Status: No, hits=-1.0 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD,SPF_HELO_PASS X-Spam-Check-By: sourceware.org To: cygwin AT cygwin DOT com From: Philipp Kraus Subject: Re: g++ linker problem with libcygwin.a Date: Sat, 22 Oct 2011 22:37:00 +0200 Lines: 38 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit User-Agent: Unison/2.1.5 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 Thanks for your great answer. On 2011-10-22 22:17:06 +0200, René Berber said: > On 10/22/2011 2:18 PM, Philipp Kraus wrote: > >> I use Cygwin with g++ for compiling my source codes and on some codes I >> get the error: >> >> /usr/lib/gcc/i686-pc-cygwin/4.5.3/../../../libcygwin.a(libcmain.o):(.text+0xa9): >> >> undefined reference to `_WinMain AT 16' > [snip] > > That means the linking is being done for a GUI application. I guess you > wanted to build a console application, so you should learn what these > options for the linker mean: > > -Wl,-subsystem,console > -Wl,-subsystem,windows > > There are equivalent options used with the compiler g++, I think they are: > > -mconsole > -mwindows Yes I would build a console application (or a shared library, I can build the library). I have tried both commands -mconsole and -Wl,-subsystem,console but the error is created again. Should I rebuild my libraries with the -mconsole option, at the time I have build them only with configure, make, make install? Thanks Phil -- 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