Can't build "hprof.dll" on Windows [JDK5.0]

Hello everyone!
Now,I am trying to build "hprof.dll" on windows, because I want to customize "Hprof".The "hprof" source code is included in "JDK DEMO(see %JAVA_HOME%\demo\jvmti\hprof\src)".
I have not changed the source code at all.
However,Building doesn't go well.
My environment
windows Xp sp1
J2SE5.0 [<-JAVA_HOME=C:\Program Files\Java\jdk1.5.0_05]
VC++6.0
I made a simple batch file to build it referring to "sample.makefile.txt".
I executed this batch file in "%JAVA_HOME%\demo\jvmti\hprof\src".
---build batch----------------------------------------
set JDK_INC=C:\Program Files\Java\jdk1.5.0_05\include
set CFLAGS= -Ox -Op -Zi -Gy -W0 -WX -DHPROF_LOGGING -DNDEBUG -I. -I..\..\java_crw_demo\src -I"%JDK_INC%" -I"%JDK_INC%\win32"
del /F *.obj *.exp *.lib
del /F hprof_md.c
copy .\windows\hprof_md.c hprof_md.c
cl %CFLAGS% /c *.c
link -dll -out:MyHprof.dll *.obj wsock32.lib winmm.lib
pause
-----Result-------------------------------------------
debug_malloc.c
hprof_blocks.c
hprof_class.c
hprof_cpu.c
hprof_error.c
hprof_event.c
hprof_frame.c
hprof_init.c
hprof_io.c
hprof_ioname.c
hprof_listener.c
hprof_loader.c
hprof_md.c
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(99) : error C2011: 'fd_set' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(134) : note C6311: C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(83) :see previous definition of 'FD_SET'.
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(143) : error C2011: 'timeval' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(199) : error C2011: 'hostent' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(212) : error C2011: 'netent' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(219) : error C2011: 'servent' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(226) : error C2011: 'protoent' : 'struct' type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(310) : error C2011: 'in_addr' : 'struct' type redefinition
[continues]
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(2258) : error C2375: 'WSAAsyncGetProtoByNumber' : redefinition; different linkage
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(810) : see declaration of 'WSAAsyncGetProtoByNumber'
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(2283) : error C2375: 'WSAAsyncGetHostByName' : redefinition; different linkage
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(814) : see declaration of 'WSAAsyncGetHostByName'
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(2310) : error C2375: 'WSAAsyncGetHostByAddr' : redefinition; different linkage
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(818) : see declaration of 'WSAAsyncGetHostByAddr'type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(2333) : error C2375: 'WSACancelAsyncRequest' : redefinition; different linkage
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(822) : see declaration of 'WSACancelAsyncRequest'type redefinition
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock2.h(2353) : error C2375: 'WSAAsyncSelect' : redefinition; different linkage
C:\Program Files\Microsoft Visual Studio\VC98\include\winsock.h(824) : see declaration of 'WSAAsyncSelect'type redefinition
hprof_monitor.c
hprof_object.c
hprof_reference.c
hprof_site.c
hprof_stack.c
hprof_string.c
hprof_table.c
hprof_tag.c
hprof_tls.c
hprof_trace.c
hprof_tracker.c
hprof_util.c
C:\Program Files\Java\jdk1.5.0_05\demo\jvmti\hprof\src>link -dll -out:MyHprof.dll *.obj wsock32.lib winmm.lib
Microsoft (R) Incremental Linker Version 6.00.8447
Copyright (C) Microsoft Corp 1992-1998. All rights reserved.
Linking...
hprof_init.obj : error LNK2001: unresolved external symbol "_md_get_milliticks
hprof_io.obj : error LNK2001: unresolved external symbol "_md_get_milliticks
hprof_init.obj : error LNK2001: unresolved external symbol "_md_init
hprof_util.obj : error LNK2001: unresolved external symbol"_md_snprintf
[continues]
hprof_listener.obj : error LNK2001: unresolved external symbol "_md_ntohs
hprof_listener.obj : error LNK2001: unresolved external symbol "_md_ntohl
hprof_listener.obj : error LNK2001: unresolved external symbol "_md_shutdown
hprof_tls.obj : error LNK2001: unresolved external symbol "_md_get_thread_cpu_timemillis
MyHprof.dll : fatal error LNK1120: 29 unresolved externals
The problem is the compile error of "hprof_md.c". (VC compile Error No : C2011, C2375)
I think that the link error in the end part is solved with this compile error.
Because "sample.makefile.txt" is for GNU make, I tyied to build using Cygwin and GNU make.
but the same compile error went out.
My Knowledge is insufficient concerning C/C++ development....
I have no idea how to deal with this error.
Who can help me about this problem ? please give me some answers!
Thank you for reading .
Sorry my poor English...
Masahiro Kouda

Do you have the specific name of the C++ compiler you are using?
The actual name on the box and the specific version string?
I'll look into this, sorry I didn't see this earlier.
-kto

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