How to build Quazip 0.5.1 on Windows 7?

I'm trying to build the quazip libary (version 0.5.1) on Windows 7 (32-bit) with Qt 5.0.1 32-Bit LGPL installed. When i run in the Qt-Commandprompt: ``` qmake mingw32-make ``` with the directory set to the folder in which I extracted Quazip (C:\Qt\quazip-0.5.1\quazip), I get the following error-log: ``` C:\Qt\quazip-0.5.1\quazip>mingw32-make mingw32-make -f Makefile.Release mingw32-make[1]: Entering directory 'C:/Qt/quazip-0.5.1/quazip' g++ -Wl,-s -shared -mthreads -Wl,--out-implib,release\libquazip.a -o release\qua zip.dll object_script.quazip.Release -LC:\Qt\Qt5\5.0.1\mingw47_32\lib -lQt5Core ./release\unzip.o:unzip.c:(.text+0x1008): undefined reference to `crc32' ./release\unzip.o:unzip.c:(.text+0x10aa): undefined reference to `inflate' ./release\unzip.o:unzip.c:(.text+0x10da): undefined reference to `crc32' ./release\unzip.o:unzip.c:(.text+0x1110): undefined reference to `crc32' ./release\unzip.o:unzip.c:(.text+0x1327): undefined reference to `inflateEnd' ./release\unzip.o:unzip.c:(.text+0x1727): undefined reference to `get_crc_table' ./release\unzip.o:unzip.c:(.text+0x186f): undefined reference to `inflateInit2_' ./release\zip.o:zip.c:(.text+0xac7): undefined reference to `crc32' ./release\zip.o:zip.c:(.text+0xb7c): undefined reference to `deflate' ./release\zip.o:zip.c:(.text+0xcdf): undefined reference to `deflate' ./release\zip.o:zip.c:(.text+0xef5): undefined reference to `deflateEnd' ./release\zip.o:zip.c:(.text+0x13a8): undefined reference to `get_crc_table' ./release\zip.o:zip.c:(.text+0x1af9): undefined reference to `deflateInit2_' ./release\quaadler32.o:quaadler32.cpp:(.text+0x2e): undefined reference to `adle r32' ./release\quaadler32.o:quaadler32.cpp:(.text+0x61): undefined reference to `adle r32' ./release\quaadler32.o:quaadler32.cpp:(.text+0xa1): undefined reference to `adle r32' ./release\quaadler32.o:quaadler32.cpp:(.text+0xb1): undefined reference to `adle r32' c:/qt/qt5/tools/mingw/bin/../lib/gcc/i686-w64-mingw32/4.7.2/../../../../i686-w64 -mingw32/bin/ld.exe: ./release\quaadler32.o: bad reloc address 0x0 in section `. rdata$_ZTI13QuaChecksum32[__ZTI13QuaChecksum32]' collect2.exe: error: ld returned 1 exit status Makefile.Release:106: recipe for target 'release\quazip.dll' failed mingw32-make[1]: *** [release\quazip.dll] Error 1 mingw32-make[1]: Leaving directory 'C:/Qt/quazip-0.5.1/quazip' makefile:34: recipe for target 'release' failed mingw32-make: *** [release] Error 2 ``` But in my Zlib-Folder (C:\Qt\Qt5\5.0.1\Src\qtbase\src\3rdparty\zlib) are all this listed files installed. . As I tried to solve the problem, I have added into the quazip.pro and into the quazip.pri: ``` INCLUDEPATH += $$[QT_INSTALL_PREFIX]/src/3rdparty/zlib ``` , how it is suggested here. All other solutiuons I have found on Google so far aren't helping. I hope someone of you can help me. Greetings, LVreg