X-Recipient: archive-cygwin AT delorie DOT 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 AT computer DOT org User-Agent: Thunderbird 2.0.0.19 (X11/20081227) MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: Static linking issue under cygwin. References: <4f8dccd00905231221v2f82acb9rcf1ffa9f228650be AT mail DOT gmail DOT 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 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 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/