X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:from:to:subject:date:content-type :content-transfer-encoding:mime-version; q=dns; s=default; b=U8U QKMsBgPjmXwQrk7XPo3MlsOcuZbDESdsh+iEWu1VM81ONbC5udlVGCBHB/obvJ4Q YSH+QXikmnglmax4Y3vDqU5U8Q3pgAYcPZzziGRxyLjq3FxIpgUk+BndjaSnb4ry 76pdbFE3iYeGSF8hpG5P3qpoo98v7AAPrdXTSAfQ= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:from:to:subject:date:content-type :content-transfer-encoding:mime-version; s=default; bh=4+bo+enwp 1Ya/CtNjWfFbcgkO2o=; b=EpiH9Rhv//cPDctXomMLYvywIunjN0TzmpmCSbgs6 NlTeqGTY07ZGche4QFU3kNqW/E1me5mUTOU+ON1kYiAQsFsJLbBe/8i1NjvM6ivh sGIzzhrdDOqMURh60v6wxQy6kQh+0/IAN206nI8FKmLp5AYb28UkvaWRRcZYtN3Y uk= 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 X-Spam-SWARE-Status: No, score=-3.6 required=5.0 tests=AWL,BAYES_00,FREEMAIL_ENVFROM_END_DIGIT,FREEMAIL_FROM,MIME_BASE64_BLANKS,RCVD_IN_DNSWL_NONE,RCVD_IN_HOSTKARMA_YE,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.1 X-EIP: [9J+YSCMKzpk4vNN/GB6yNvY37WiIxuWy] Message-ID: From: Sonya Blade To: "cygwin AT cygwin DOT com" Subject: Re: Linking Problems and undefined references to standart functions Date: Tue, 30 Apr 2013 11:48:12 +0100 Content-Type: text/plain; charset="windows-1254" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by delorie.com id r3UAmQfF003431 gfortran command to compile the code is as follow : gfortran.exe  -o bin\Debug\Petsc_Fortran.exe obj\Debug\main.o    C:\Users\....\Downloads\petsc-3.3-p6\arch-mswin-c-debug\lib\libpetsc.a C:\cygwin\lib\libX11.a C:\Users\mehmet\Downloads\libblas.lib C:\Users\.....\Downloads\liblapack.lib C:\Users\....\Downloads\liblapacke.lib C:\cygwin\lib\libcygwin.a  Output size is 16.90 MB One side note is that: After googling for a while it revealed that I  should add the libcygwin.a to the linker search paths, after adding  this compiler stops the complaints and application compiles but this time raises the segmentation fault. Which I believe is unallocated  memory reference at the PetscInitialize. I'm really suprised by that and I don't have any other option to try . Your guidance will be appreciated.