Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm 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 Date: Sun, 4 Jan 2004 12:23:51 +0100 From: "Gerrit P. Haase" Reply-To: "Gerrit @ cygwin" Organization: Esse keine toten Tiere Message-ID: <1786768525.20040104122351@familiehaase.de> To: Beman Dawes CC: cygwin@cygwin.com, "John Maddock" Subject: Re: Bug in fstream code and gcc-2 package? In-Reply-To: <4.3.2.7.2.20040103203307.02db8880@mailhost.esva.net> References: <4.3.2.7.2.20040103092732.02db6dd0@mailhost.esva.net> <01e101c3d1f1$9bc8d6a0$29750252@fuji> <4.3.2.7.2.20040103092732.02db6dd0@mailhost.esva.net> <4.3.2.7.2.20040103203307.02db8880@mailhost.esva.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Hallo Beman, Am Sonntag, 4. Januar 2004 um 02:55 schriebst du: >>$ g++ -mno-cygwin fstream.cpp > In file included from > /usr/local/include/c++/3.3.1/bits/locale_facets.h:166, The default location for Cygwin & MinGW files distributed by the Cygwin project is /usr but not /usr/local, I suggest that you try to setup a new Cygwin tree (after backing up your old tree). Somehow this looks wrong to me. Possibly some old headers around there under /usr/local? My locale_facets.h: $ ls -l /usr/include/c++/3.3.1/bits/locale_facets.h -rwxrwxrwx 1 #gerrit Benutzer 58297 Oct 25 05:53 /usr/include/c++/3.3.1/bits/locale_facets.h* > from > /usr/local/include/c++/3.3.1/bits/basic_ios.h:44, > from /usr/local/include/c++/3.3.1/ios:51, > from /usr/local/include/c++/3.3.1/istream:44, > from /usr/local/include/c++/3.3.1/fstream:45, > from fstream.cpp:1: > /usr/local/include/c++/3.3.1/i686-pc-cygwin/bits/ctype_base.h:46: error: > `_U' > was not declared in this scope > (similar errors follow; messages elided for brevity.) >>Can you run it with gdb and try to figure out what fails for you? > I've never used gdb, but here goes... install... try it... > For some reason I couldn't get a meaningful stack trace, but by stepping it > was easy to isolate the problem. It is in the execution of the call: > is.rdbuf()->in_avail() > is.rdbuf() looks like it is returning the correct pointer, but in_avail() > is dying. If I replace the call with a constant, say 16000, the program > runs > fine. > Does that help? Hmmm, not much. > By the way, the above results hold regardless of whether the program is run > from the Win XP command line or the bash command line. Gerrit -- =^..^= -- 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/