Quzip Build Output

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