how to compile in window 7 (32bit)

[Josan420]

i need help to compile rtmpdump with MINGW. i installed MINGW following instruction provided in this thread,
_http://stream-recorder.com/forum/rtmpdump-do-compile-source-code-windows-t8123.html?t=8123
but i get this error

Josan@Josan-PC /h/compressed/rtmpdump-v2.5-src
$ make SYS=mingw
make[1]: Entering directory `/h/compressed/rtmpdump-v2.5-src/librtmp'
gcc -Wall -DRTMPDUMP_VERSION=\"v2.5\" -DUSE_OPENSSL -O2 -fPIC -c -o rtmp.o
rtmp.c
rtmp.c:1:0: warning: -fPIC ignored for target (all code is position independent)
[enabled by default]
rtmp.c:41:25: fatal error: openssl/ssl.h: No such file or directory
compilation terminated.
make[1]: *** [rtmp.o] Error 1
make[1]: Leaving directory `/h/compressed/rtmpdump-v2.5-src/librtmp'
make: *** [librtmp/librtmp.a] Error 2

Josan@Josan-PC /h/compressed/rtmpdump-v2.5-src
$

i'm trying from two days, but no luck. please help me to compile.