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Date: | Wed, 12 Dec 2001 23:13:57 +0300 |
From: | egor duda <deo AT logos-m DOT ru> |
X-Mailer: | The Bat! (v1.53 RC/4) |
Reply-To: | egor duda <cygwin AT cygwin DOT com> |
Organization: | deo |
X-Priority: | 3 (Normal) |
Message-ID: | <33561504220.20011212231357@logos-m.ru> |
To: | Teun Burgers <a DOT rburgers AT freeler DOT nl> |
CC: | cygwin AT cygwin DOT com |
Subject: | Re: gcc -mno-cygwin creates cygwin executables! |
In-Reply-To: | <3C17B526.60915DD9@freeler.nl> |
References: | <3C17011D AT freeler-webmail-01> |
<04ea01c18303$55406a70$0200a8c0 AT lifelesswks> <3C17B526 DOT 60915DD9 AT freeler DOT nl> | |
MIME-Version: | 1.0 |
Hi! Wednesday, 12 December, 2001 Teun Burgers a DOT rburgers AT freeler DOT nl wrote: TB> To sum up this thread: TB> consider the following program: TB> main () { TB> pthread_create(); TB> } TB> gcc -mno-cygwin -o zz.exe zz.c -lpthread will compile and build. TB> A cygcheck on zz.exe reveals that libcygwin.a is linked in. The TB> problem with this is that a configure script with CC='gcc -mno-cygwin' TB> will incorrectly find that libpthread.a is available with TB> AC_SEARCH_LIBS(pthread_create, -lpthread) TB> This comes about since gcc -mno-cygwin searches for libs in /usr/lib TB> and libpthread.a is a symlink to libcygwin.a you're fixing specific symptoms instead of the problem itself. this had been discussed already and the general consensus (at least as i understand it) is the following: -mno-cygwin is a _hack_. it's supposed to be used only when absolutely necessary and when you absolutely know what you're doing. *** if you want to build executables for mingw platform you should use mingw toolchain, either native or cross. *** you don't suppose cygwin gcc to have -msolaris or -mdjgpp options, do you? i believe mingw is no different. the reason -mno-cygwin still exists in official cygwin gcc is that cygwin contains several utilities that should not depend on cygwin1.dll (setup, cygcheck, strace). those utilities are built with -mno-cygwin and people maintaining them take special care to make sure libcygwin.a won't creep in. Egor. mailto:deo AT logos-m DOT ru ICQ 5165414 FidoNet 2:5020/496.19 -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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