X-Recipient: archive-cygwin@delorie.com X-SWARE-Spam-Status: No, hits=0.7 required=5.0 tests=BAYES_50,SPF_NEUTRAL X-Spam-Check-By: sourceware.org Message-ID: <4A184ED3.70504@aol.com> Date: Sat, 23 May 2009 12:30:27 -0700 From: Tim Prince Reply-To: tprince@computer.org User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: cygwin@cygwin.com Subject: Re: Static linking issue under cygwin. References: <4f8dccd00905231221v2f82acb9rcf1ffa9f228650be@mail.gmail.com> In-Reply-To: <4f8dccd00905231221v2f82acb9rcf1ffa9f228650be@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Vladimir A. Petrov wrote: > I've faced with strange static linking issue in Cygwin environment. > Trivial C program can not be linked against PostgreSQL libpq with the > following diagnostics: > > $ gcc -Wall -I /cygdrive/c/Program\ Files/PostgreSQL/8.2/include/ -L > /cygdrive/c/Program\ Files/PostgreSQL/8.2/lib -lpq -o pgtest.exe > pgtest.c > /cygdrive/c/DOCUME~1/vap/LOCALS~1/Temp/cclXAlCk.o:pgtest.c:(.text+0x33): > undefined reference to `_PQconnectdb' Not strange, when gnu ld depends on order of libraries for static linking. ld doesn't rescan libraries when new references are added after the scan. It's strange enough to attempt to link libraries installed under "Program Files" -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/