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: Wed, 21 Aug 2002 02:53:43 +0200 From: "Gerrit P. Haase" Reply-To: "Gerrit @ cygwin" Organization: Esse keine toten Tiere X-Priority: 3 (Normal) Message-ID: <187380682792.20020821025343@familiehaase.de> To: Lostmind CC: cygwin@cygwin.com Subject: Re: Problems exporting my DLL functions... In-Reply-To: <3D62A993.AC202DD5@gmx.net> References: <3D5F1721.2808F1A3@gmx.net> <20020820035042.B98873DC3@cavall.jtang.org> <3D5F33EC.5F9A8D24@gmx.net> <39336161164.20020820143142@familiehaase.de> <3D62A993.AC202DD5@gmx.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Hallo Lostmind, Am Dienstag, 20. August 2002 um 22:41 schriebst du: >> gcc -o khook.o -c khook.o >> gcc -shared -o mydll.dll khook.o > Cool, it works, thanx :D > ...at least it creates a DLL, but finally two things: > 1. How do I tell the compiler/linker what is my DLL-init-function I don't tell it. > 2. How do I tell the compiler/linker which functions I want to export (I > marked them with EXPORT in the file already, but they didn't seem to be > available in the created DLL) The complete syntax is: gcc -shared -o cyg${module}.dll \ -Wl,--out-implib=lib${module}.dll.a \ -Wl,--export-all-symbols \ -Wl,--enable-auto-import \ -Wl,--whole-archive ${old_lib} \ -Wl,--no-whole-archive ${dependency_libs} Where ${module} is the name of your DLL, ${old_lib} are all objectfiles, bundled together in a static lib or single object files and the ${dependency_libs} are importlibs you need to link against, e.g '-lpng -lz -L/usr/local/special -lmyspeciallib' All symbols are exported then because you tell the linker to do so: -Wl,--export-all-symbols Gerrit -- "All faults& bugs are mine - Robert" from squid/acinclude.m4, Sun Apr 21 05:21:21 2002 -- 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/