Again, thanks for the information. I'm not concerned about Windows 2000, frankly.

I should get to this soon, maybe this weekend, maybe next weekend. 

Regards,
Mike

-----Original Message-----
>From: Istvan Varga 
>Sent: Apr 13, 2006 3:50 AM
>To: csound-devel@lists.sourceforge.net
>Subject: Re: [Cs-dev] OSC for Win32 (was Re: [Csnd] surround II)
>
>On Thursday 13 April 2006 00:12, Michael Gogins wrote:
>
>> Thanks for your work. I'll try it out soon.
>> 
>> There shouldn't be license issues with the SDK headers. I did run into
>> problems with ws2_32 with MinGW, which I don't exactly recall any more.
>
>I have a mail from 2005-12-23 that reports problems related to building
>liblo, it is included at the end of this message.
>The errors are about these functions that are not included in ws2_32.dll
>on some versions of Windows: getaddrinfo(), freeaddrinfo(), getnameinfo(),
>and gai_strerror(). gai_strerror() is now included with liblo version
>0.23 (the liblo developers apparently copied it from the Windows SDK).
>It also seems like there were problems with function declarations, because
>the missing functions have __stdcall calling convention (with names like
>getaddrinfo@16 etc.), but liblo looks for __cdecl functions. However, this
>is not the case for me, perhaps version 0.23 has fixed these issues, or
>because I may have a different version of MinGW.
>
>> The relevant functions could be declared "extern" in the sources to get
>> around the header file problems.
>
>The problem is that these functions simply do not exist in Windows 2000
>and older versions, so declaring them does not help there (they should be
>declared in ws2tcpip.h anyway). wspiapi.h - which is only in the Microsoft
>Platform SDK and not in MinGW - implements these as inlinle functions
>which emulate getaddrinfo() etc. on older versions of Windows.
>However, wspiapi.h should theoretically not be needed for a liblo library
>that is only intended to run on newer Windows releases; you could try
>building the .tar.bz2 package I posted, and see what happens if you remove
>the files ws2tcpip.h and ws2_wrapper.c from the build directory, and the
>latter also from Makefile.
>
>------------------------------------------------------------------------
>
>I see no such discussion in the liblo-devel list (the only liblo list that
>I could find).
>
>With MinGW and MSYS on XP Home Edition, I can compile liblo OK, but the OSC
>opcode won't link properly in SConstruct. Complains about missing symbols
>(see below).
>
>But these symbols are (mostly) in the libws2_32.a library, which is in the
>link line.
>
>Regards,
>Mike
>
>scons: Building targets ...
>g++ -shared -Wl,--enable-stdcall-fixup -o osc.dll Opcodes\OSC.o -L. -L.
>-L\usr\local\lib -L. -L. -LC:\utah\usr\mingw\lib
>-LC:\utah\usr\msys\1.0\local\lib -LC:\utah\opt\lua50\lib\mingw3
>-LC:\utah\opt\Tcl\bin -LC:\utah\opt\pd-0.38-4-devel-2\bin -lsndfile -llo
>-lpthread -lwsock32 -lws2_32 -Wl,--out-implib,libosc.a
>-Wl,--output-def,osc.def
>Creating library file: libosc.a
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-send.o)(.text+0x6c7):send.c:undefined reference to `getaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-send.o)(.text+0x6e7):send.c:undefined reference to `gai_strerror'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-send.o)(.text+0x6f5):send.c:undefined reference to `freeaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-address.o)(.text+0x322):address.c: undefined reference to `freeaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x2b5):server.c: undefined reference to `freeaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x2d6):server.c: undefined reference to `getaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x2ea):server.c: undefined reference to `gai_strerror'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x313):server.c: undefined reference to `freeaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x583):server.c: undefined reference to `getnameinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x720):server.c: undefined reference to `freeaddrinfo'
>C:\utah\usr\msys\1.0\local\lib/liblo.a(liblo_la-server.o)(.text+0x1247):server.c: undefined reference to `getnameinfo'
>collect2: ld returned 1 exit status
>scons: building terminated because of errors.
>scons: *** [osc.dll] Error 1
>
>
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