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readme.txt |
Building instructions for the DLL versions of Zlib 1.21 ======================================================= This directory contains projects that build zlib and minizip using Microsoft Visual C++ 7.0/7.1. You don't need to build these projects yourself. You can download the binaries from: http://www.winimage.com/zLibDll More information can be found at this site. Build instructions ------------------ - Unzip zlib*.zip and copy the files from contrib\vstudio\vc7, from contrib\vstudio\masmx86 and from contrib\minizip into the same directory. - Download the crtdll library from http://www.winimage.com/zLibDll/crtdll.zip Unzip crtdll.zip to extract crtdll.lib. - If you are using x86, use the Release target. - Open zlibvc.sln with Microsoft Visual C++ 7.0 or 7.1 (Visual Studio .Net 2002 or 2003). Important --------- - To use zlibwapi.dll in your application, you must define the macro ZLIB_WINAPI when compiling your application's source files. Additional notes ---------------- - This DLL, named zlibwapi.dll, is compatible to the old zlib.dll built by Gilles Vollant from the zlib 1.1.x sources, and distributed at http://www.winimage.com/zLibDll It uses the WINAPI calling convention for the exported functions, and includes the minizip functionality. If your application needs that particular build of zlib.dll, you can rename zlibwapi.dll to zlib.dll. - The new DLL was renamed because there exist several incompatible versions of zlib.dll on the Internet. - There is also an official DLL build of zlib, named zlib1.dll. This one is exporting the functions using the CDECL convention. See the file win32\DLL_FAQ.txt found in this zlib distribution. - There used to be a ZLIB_DLL macro in zlib 1.1.x, but now this symbol has a slightly different effect. To avoid compatibility problems, do not define it here. Gilles Vollant info@winimage.com