Compile zlib statically with mingw

zlib_mingw.txt

> set PATH=C:\MinGW\bin;%PATH%

C:\Tools\zlib\zlib-1.2.8> C:\MinGW\bin\mingw32-make.exe -fwin32/Makefile.gcc
gcc  -O3 -Wall -c -o adler32.o adler32.c
gcc  -O3 -Wall -c -o compress.o compress.c
gcc  -O3 -Wall -c -o crc32.o crc32.c
gcc  -O3 -Wall -c -o deflate.o deflate.c
gcc  -O3 -Wall -c -o gzclose.o gzclose.c
gcc  -O3 -Wall -c -o gzlib.o gzlib.c
gcc  -O3 -Wall -c -o gzread.o gzread.c
gcc  -O3 -Wall -c -o gzwrite.o gzwrite.c
gcc  -O3 -Wall -c -o infback.o infback.c
gcc  -O3 -Wall -c -o inffast.o inffast.c
gcc  -O3 -Wall -c -o inflate.o inflate.c
gcc  -O3 -Wall -c -o inftrees.o inftrees.c
gcc  -O3 -Wall -c -o trees.o trees.c
gcc  -O3 -Wall -c -o uncompr.o uncompr.c
gcc  -O3 -Wall -c -o zutil.o zutil.c
ar rcs libz.a adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o
gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o
windres --define GCC_WINDRES -o zlibrc.o win32/zlib1.rc
gcc -shared -Wl,--out-implib,libz.dll.a  \
-o zlib1.dll win32/zlib.def adler32.o compress.o crc32.o deflate.o gzclose.o gzl
ib.o gzread.o gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr
.o zutil.o  zlibrc.o
strip zlib1.dll
gcc  -O3 -Wall -I. -c -o example.o test/example.c
gcc  -o example.exe example.o libz.a
strip example.exe
gcc  -O3 -Wall -I. -c -o minigzip.o test/minigzip.c
gcc  -o minigzip.exe minigzip.o libz.a
strip minigzip.exe
gcc  -o example_d.exe example.o libz.dll.a
strip example_d.exe
gcc  -o minigzip_d.exe minigzip.o libz.dll.a
strip minigzip_d.exe

To compile statically against this using CMake, use:
    -DZLIB_LIBRARY=C:\Tools\zlib\zlib-1.2.8\libz.a -DZLIB_INCLUDE_DIR=.

thanks, two!

putting ./ after -f worked for me.